libxtrans libX11 libX11 libXext mesa xserver git update 22 sep 2011

23 files changed, 1266 insertions, 1431 deletions

diff --git a/mesalib/src/mesa/main/api_validate.c b/mesalib/src/mesa/main/api_validate.c
index 699b414f5..1fcf5cd68 100644
--- a/mesalib/src/mesa/main/api_validate.c
+++ b/mesalib/src/mesa/main/api_validate.c
@@ -199,6 +199,27 @@ check_index_bounds(struct gl_context *ctx, GLsizei count, GLenum type,
 
 
 /**
+ * Is 'mode' a valid value for glBegin(), glDrawArrays(), glDrawElements(),
+ * etc?  The set of legal values depends on whether geometry shaders/programs
+ * are supported.
+ */
+GLboolean
+_mesa_valid_prim_mode(const struct gl_context *ctx, GLenum mode)
+{
+   if (ctx->Extensions.ARB_geometry_shader4 &&
+       mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+      return GL_FALSE;
+   }
+   else if (mode > GL_POLYGON) {
+      return GL_FALSE;
+   }
+   else {
+      return GL_TRUE;
+   }
+}
+
+
+/**
  * Error checking for glDrawElements().  Includes parameter checking
  * and VBO bounds checking.
  * \return GL_TRUE if OK to render, GL_FALSE if error found
@@ -216,7 +237,7 @@ _mesa_validate_DrawElements(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(mode)" );
       return GL_FALSE;
    }
@@ -273,7 +294,7 @@ _mesa_validate_DrawRangeElements(struct gl_context *ctx, GLenum mode,
       return GL_FALSE;
    }
 
-   if (mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(mode)" );
       return GL_FALSE;
    }
@@ -332,7 +353,7 @@ _mesa_validate_DrawArrays(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" );
       return GL_FALSE;
    }
@@ -362,7 +383,7 @@ _mesa_validate_DrawArraysInstanced(struct gl_context *ctx, GLenum mode, GLint fi
       return GL_FALSE;
    }
 
-   if (mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glDrawArraysInstanced(mode=0x%x)", mode);
       return GL_FALSE;
@@ -408,7 +429,7 @@ _mesa_validate_DrawElementsInstanced(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (mode > GL_TRIANGLE_STRIP_ADJACENCY_ARB) {
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glDrawElementsInstanced(mode = 0x%x)", mode);
       return GL_FALSE;
diff --git a/mesalib/src/mesa/main/api_validate.h b/mesalib/src/mesa/main/api_validate.h
index 09e9522d2..7d6a66012 100644
--- a/mesalib/src/mesa/main/api_validate.h
+++ b/mesalib/src/mesa/main/api_validate.h
@@ -39,6 +39,11 @@ _mesa_max_buffer_index(struct gl_context *ctx, GLuint count, GLenum type,
                        const void *indices,
                        struct gl_buffer_object *elementBuf);
 
+
+extern GLboolean
+_mesa_valid_prim_mode(const struct gl_context *ctx, GLenum mode);
+
+
 extern GLboolean
 _mesa_validate_DrawArrays(struct gl_context *ctx,
 			  GLenum mode, GLint start, GLsizei count);
diff --git a/mesalib/src/mesa/main/attrib.c b/mesalib/src/mesa/main/attrib.c
index 9767740a3..d38a1a466 100644
--- a/mesalib/src/mesa/main/attrib.c
+++ b/mesalib/src/mesa/main/attrib.c
@@ -493,7 +493,7 @@ pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
       }
    }
 
-   for (i=0;i<MAX_CLIP_PLANES;i++) {
+   for (i=0;i<ctx->Const.MaxClipPlanes;i++) {
       const GLuint mask = 1 << i;
       if ((ctx->Transform.ClipPlanesEnabled & mask) != (enable->ClipPlanes & mask))
 	  _mesa_set_enable(ctx, (GLenum) (GL_CLIP_PLANE0 + i),
@@ -1247,7 +1247,7 @@ _mesa_PopAttrib(void)
                   _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
 
                /* restore clip planes */
-               for (i = 0; i < MAX_CLIP_PLANES; i++) {
+               for (i = 0; i < ctx->Const.MaxClipPlanes; i++) {
                   const GLuint mask = 1 << i;
                   const GLfloat *eyePlane = xform->EyeUserPlane[i];
                   COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane);
diff --git a/mesalib/src/mesa/main/colormac.h b/mesalib/src/mesa/main/colormac.h
index 4b7c3b4a0..4294f3239 100644
--- a/mesalib/src/mesa/main/colormac.h
+++ b/mesalib/src/mesa/main/colormac.h
@@ -38,137 +38,6 @@
 #include "mtypes.h"
 
 
-/** \def BYTE_TO_CHAN
- * Convert from GLbyte to GLchan */
-
-/** \def UBYTE_TO_CHAN
- * Convert from GLubyte to GLchan */
-
-/** \def SHORT_TO_CHAN
- * Convert from GLshort to GLchan */
-
-/** \def USHORT_TO_CHAN
- * Convert from GLushort to GLchan */
-
-/** \def INT_TO_CHAN
- * Convert from GLint to GLchan */
-
-/** \def UINT_TO_CHAN
- * Convert from GLuint to GLchan */
-
-/** \def CHAN_TO_UBYTE
- * Convert from GLchan to GLubyte */
-
-/** \def CHAN_TO_FLOAT
- * Convert from GLchan to GLfloat */
-
-/** \def CLAMPED_FLOAT_TO_CHAN
- * Convert from GLclampf to GLchan */
-
-/** \def UNCLAMPED_FLOAT_TO_CHAN
- * Convert from GLfloat to GLchan */
-
-/** \def COPY_CHAN4
- * Copy a GLchan[4] array */
-
-#if CHAN_BITS == 8
-
-#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (GLchan) (b))
-#define UBYTE_TO_CHAN(b)  (b)
-#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) ((s) >> 7))
-#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8))
-#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 23))
-#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 24))
-
-#define CHAN_TO_UBYTE(c)  (c)
-#define CHAN_TO_USHORT(c) (((c) << 8) | (c))
-#define CHAN_TO_SHORT(c)  (((c) << 7) | ((c) >> 1))
-#define CHAN_TO_FLOAT(c)  UBYTE_TO_FLOAT(c)
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_UBYTE(c, f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_UBYTE(c, f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4UBV(DST, SRC)
-
-#elif CHAN_BITS == 16
-
-#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (((GLchan) (b)) * 516))
-#define UBYTE_TO_CHAN(b)  ((((GLchan) (b)) << 8) | ((GLchan) (b)))
-#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) (s))
-#define USHORT_TO_CHAN(s) (s)
-#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 15))
-#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 16))
-
-#define CHAN_TO_UBYTE(c)  ((c) >> 8)
-#define CHAN_TO_USHORT(c) (c)
-#define CHAN_TO_SHORT(c)  ((c) >> 1)
-#define CHAN_TO_FLOAT(c)  ((GLfloat) ((c) * (1.0 / CHAN_MAXF)))
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_USHORT(c, f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_USHORT(c, f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
-
-#elif CHAN_BITS == 32
-
-/* XXX floating-point color channels not fully thought-out */
-#define BYTE_TO_CHAN(b)   ((GLfloat) ((b) * (1.0F / 127.0F)))
-#define UBYTE_TO_CHAN(b)  ((GLfloat) ((b) * (1.0F / 255.0F)))
-#define SHORT_TO_CHAN(s)  ((GLfloat) ((s) * (1.0F / 32767.0F)))
-#define USHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 65535.0F)))
-#define INT_TO_CHAN(i)    ((GLfloat) ((i) * (1.0F / 2147483647.0F)))
-#define UINT_TO_CHAN(i)   ((GLfloat) ((i) * (1.0F / 4294967295.0F)))
-
-#define CHAN_TO_UBYTE(c)  FLOAT_TO_UBYTE(c)
-#define CHAN_TO_USHORT(c) ((GLushort) (CLAMP((c), 0.0f, 1.0f) * 65535.0))
-#define CHAN_TO_SHORT(c)  ((GLshort) (CLAMP((c), 0.0f, 1.0f) * 32767.0))
-#define CHAN_TO_FLOAT(c)  (c)
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)  c = (f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)      c = (f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
-
-#else
-
-#error unexpected CHAN_BITS size
-
-#endif
-
-
-/**
- * Convert 3 channels at once.
- *
- * \param dst pointer to destination GLchan[3] array.
- * \param f pointer to source GLfloat[3] array.
- *
- * \sa #UNCLAMPED_FLOAT_TO_CHAN.
- */
-#define UNCLAMPED_FLOAT_TO_RGB_CHAN(dst, f)	\
-do {						\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\
-} while (0)
-
-
-/**
- * Convert 4 channels at once.
- *
- * \param dst pointer to destination GLchan[4] array.
- * \param f pointer to source GLfloat[4] array.
- *
- * \sa #UNCLAMPED_FLOAT_TO_CHAN.
- */
-#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f)	\
-do {						\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[3], (f)[3]);	\
-} while (0)
-
-
 /**
  * Convert four float values in [0,1] to ubytes in [0,255] with clamping.
  */
@@ -205,11 +74,11 @@ _mesa_unclamped_float_rgba_to_ubyte(GLubyte dst[4], const GLfloat src[4])
 
 #define PACK_COLOR_5551( R, G, B, A )					\
    ((((R) & 0xf8) << 8) | (((G) & 0xf8) << 3) | (((B) & 0xf8) >> 2) |	\
-    ((A) ? 1 : 0))
+    ((A) >> 7))
 
 #define PACK_COLOR_1555( A, B, G, R )					\
    ((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) |	\
-    ((A) ? 0x8000 : 0))
+    (((A) & 0x80) << 8))
 
 #define PACK_COLOR_1555_REV( A, B, G, R )					\
    ((((B) & 0xf8) >> 1) | (((G) & 0xc0) >> 6) | (((G) & 0x38) << 10) | (((R) & 0xf8) << 5) |	\
diff --git a/mesalib/src/mesa/main/config.h b/mesalib/src/mesa/main/config.h
index 91aef90b7..7b7740ebe 100644
--- a/mesalib/src/mesa/main/config.h
+++ b/mesalib/src/mesa/main/config.h
@@ -61,8 +61,11 @@
 /** Maximum number of lights */
 #define MAX_LIGHTS 8
 
-/** Maximum user-defined clipping planes */
-#define MAX_CLIP_PLANES 6
+/**
+ * Maximum number of user-defined clipping planes supported by any driver in
+ * Mesa.  This is used to size arrays.
+ */
+#define MAX_CLIP_PLANES 8
 
 /** Maximum pixel map lookup table size */
 #define MAX_PIXEL_MAP_TABLE 256
@@ -329,7 +332,7 @@
 
 
 /**
- * Bits per color channel:  8, 16 or 32
+ * For swrast, bits per color channel:  8, 16 or 32
  */
 #ifndef CHAN_BITS
 #define CHAN_BITS 8
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 0cf794735..b20063c33 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -582,7 +582,7 @@ _mesa_init_constants(struct gl_context *ctx)
    ctx->Const.MaxLineWidthAA = MAX_LINE_WIDTH;
    ctx->Const.LineWidthGranularity = (GLfloat) LINE_WIDTH_GRANULARITY;
    ctx->Const.MaxColorTableSize = MAX_COLOR_TABLE_SIZE;
-   ctx->Const.MaxClipPlanes = MAX_CLIP_PLANES;
+   ctx->Const.MaxClipPlanes = 6;
    ctx->Const.MaxLights = MAX_LIGHTS;
    ctx->Const.MaxShininess = 128.0;
    ctx->Const.MaxSpotExponent = 128.0;
diff --git a/mesalib/src/mesa/main/debug.c b/mesalib/src/mesa/main/debug.c
index 2bb37452d..0a393e5fa 100644
--- a/mesalib/src/mesa/main/debug.c
+++ b/mesalib/src/mesa/main/debug.c
@@ -567,9 +567,6 @@ _mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
 void
 _mesa_print_texture(struct gl_context *ctx, struct gl_texture_image *img)
 {
-#if CHAN_TYPE != GL_UNSIGNED_BYTE
-   _mesa_problem(NULL, "PrintTexture not supported");
-#else
    const GLint slice = 0;
    GLint srcRowStride;
    GLuint i, j, c;
@@ -626,5 +623,4 @@ _mesa_print_texture(struct gl_context *ctx, struct gl_texture_image *img)
    }
 
    ctx->Driver.UnmapTextureImage(ctx, img, slice);
-#endif
 }
diff --git a/mesalib/src/mesa/main/dlist.c b/mesalib/src/mesa/main/dlist.c
index 9bba52129..f11dae9d0 100644
--- a/mesalib/src/mesa/main/dlist.c
+++ b/mesalib/src/mesa/main/dlist.c
@@ -34,6 +34,7 @@
 #include "api_arrayelt.h"
 #include "api_exec.h"
 #include "api_loopback.h"
+#include "api_validate.h"
 #if FEATURE_ATI_fragment_shader
 #include "atifragshader.h"
 #endif
@@ -5762,8 +5763,8 @@ save_Begin(GLenum mode)
    Node *n;
    GLboolean error = GL_FALSE;
 
-   if ( /*mode < GL_POINTS || */ mode > GL_POLYGON) {
-      _mesa_compile_error(ctx, GL_INVALID_ENUM, "Begin (mode)");
+   if (!_mesa_valid_prim_mode(ctx, mode)) {
+      _mesa_compile_error(ctx, GL_INVALID_ENUM, "glBegin(mode)");
       error = GL_TRUE;
    }
    else if (ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN) {
diff --git a/mesalib/src/mesa/main/macros.h b/mesalib/src/mesa/main/macros.h
index 01e4d20af..2a849e36a 100644
--- a/mesalib/src/mesa/main/macros.h
+++ b/mesalib/src/mesa/main/macros.h
@@ -175,10 +175,6 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define STRIDE_4UB(p, i)  (p = (GLubyte (*)[4])((GLubyte *)p + i))
 /** Stepping a GLfloat[4] pointer by a byte stride */
 #define STRIDE_4F(p, i)  (p = (GLfloat (*)[4])((GLubyte *)p + i))
-/** Stepping a GLchan[4] pointer by a byte stride */
-#define STRIDE_4CHAN(p, i)  (p = (GLchan (*)[4])((GLubyte *)p + i))
-/** Stepping a GLchan pointer by a byte stride */
-#define STRIDE_CHAN(p, i)  (p = (GLchan *)((GLubyte *)p + i))
 /** Stepping a \p t pointer by a byte stride */
 #define STRIDE_T(p, t, i)  (p = (t)((GLubyte *)p + i))
 
@@ -602,14 +598,6 @@ do {                        \
    UNCLAMPED_FLOAT_TO_UBYTE( dstub, dstf ); \
 } while (0)
 
-#define INTERP_CHAN( t, dstc, outc, inc )   \
-do {                        \
-   GLfloat inf = CHAN_TO_FLOAT( inc );      \
-   GLfloat outf = CHAN_TO_FLOAT( outc );    \
-   GLfloat dstf = LINTERP( t, outf, inf );  \
-   UNCLAMPED_FLOAT_TO_CHAN( dstc, dstf );   \
-} while (0)
-
 #define INTERP_UI( t, dstui, outui, inui )  \
    dstui = (GLuint) (GLint) LINTERP( (t), (GLfloat) (outui), (GLfloat) (inui) )
 
@@ -631,21 +619,6 @@ do {                        \
    dst[2] = LINTERP( (t), (out)[2], (in)[2] );  \
 } while (0)
 
-#define INTERP_4CHAN( t, dst, out, in )         \
-do {                            \
-   INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \
-   INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \
-   INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \
-   INTERP_CHAN( (t), (dst)[3], (out)[3], (in)[3] ); \
-} while (0)
-
-#define INTERP_3CHAN( t, dst, out, in )         \
-do {                            \
-   INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \
-   INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \
-   INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \
-} while (0)
-
 #define INTERP_SZ( t, vec, to, out, in, sz )                \
 do {                                    \
    switch (sz) {                            \
diff --git a/mesalib/src/mesa/main/matrix.c b/mesalib/src/mesa/main/matrix.c
index 2579b7384..f479a22b0 100644
--- a/mesalib/src/mesa/main/matrix.c
+++ b/mesalib/src/mesa/main/matrix.c
@@ -1,789 +1,789 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.5

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-/**

- * \file matrix.c

- * Matrix operations.

- *

- * \note

- * -# 4x4 transformation matrices are stored in memory in column major order.

- * -# Points/vertices are to be thought of as column vectors.

- * -# Transformation of a point p by a matrix M is: p' = M * p

- */

-

-

-#include "glheader.h"

-#include "imports.h"

-#include "context.h"

-#include "enums.h"

-#include "macros.h"

-#include "mfeatures.h"

-#include "matrix.h"

-#include "mtypes.h"

-#include "math/m_matrix.h"

-

-

-/**

- * Apply a perspective projection matrix.

- *

- * \param left left clipping plane coordinate.

- * \param right right clipping plane coordinate.

- * \param bottom bottom clipping plane coordinate.

- * \param top top clipping plane coordinate.

- * \param nearval distance to the near clipping plane.

- * \param farval distance to the far clipping plane.

- *

- * \sa glFrustum().

- *

- * Flushes vertices and validates parameters. Calls _math_matrix_frustum() with

- * the top matrix of the current matrix stack and sets

- * __struct gl_contextRec::NewState.

- */

-void GLAPIENTRY

-_mesa_Frustum( GLdouble left, GLdouble right,

-               GLdouble bottom, GLdouble top,

-               GLdouble nearval, GLdouble farval )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-

-   if (nearval <= 0.0 ||

-       farval <= 0.0 ||

-       nearval == farval ||

-       left == right ||

-       top == bottom)

-   {

-      _mesa_error( ctx,  GL_INVALID_VALUE, "glFrustum" );

-      return;

-   }

-

-   _math_matrix_frustum( ctx->CurrentStack->Top,

-                         (GLfloat) left, (GLfloat) right, 

-			 (GLfloat) bottom, (GLfloat) top, 

-			 (GLfloat) nearval, (GLfloat) farval );

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Apply an orthographic projection matrix.

- *

- * \param left left clipping plane coordinate.

- * \param right right clipping plane coordinate.

- * \param bottom bottom clipping plane coordinate.

- * \param top top clipping plane coordinate.

- * \param nearval distance to the near clipping plane.

- * \param farval distance to the far clipping plane.

- *

- * \sa glOrtho().

- *

- * Flushes vertices and validates parameters. Calls _math_matrix_ortho() with

- * the top matrix of the current matrix stack and sets

- * __struct gl_contextRec::NewState.

- */

-void GLAPIENTRY

-_mesa_Ortho( GLdouble left, GLdouble right,

-             GLdouble bottom, GLdouble top,

-             GLdouble nearval, GLdouble farval )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-

-   if (MESA_VERBOSE & VERBOSE_API)

-      _mesa_debug(ctx, "glOrtho(%f, %f, %f, %f, %f, %f)\n",

-                  left, right, bottom, top, nearval, farval);

-

-   if (left == right ||

-       bottom == top ||

-       nearval == farval)

-   {

-      _mesa_error( ctx,  GL_INVALID_VALUE, "glOrtho" );

-      return;

-   }

-

-   _math_matrix_ortho( ctx->CurrentStack->Top,

-                       (GLfloat) left, (GLfloat) right, 

-		       (GLfloat) bottom, (GLfloat) top, 

-		       (GLfloat) nearval, (GLfloat) farval );

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Set the current matrix stack.

- *

- * \param mode matrix stack.

- *

- * \sa glMatrixMode().

- *

- * Flushes the vertices, validates the parameter and updates

- * __struct gl_contextRec::CurrentStack and gl_transform_attrib::MatrixMode

- * with the specified matrix stack.

- */

-void GLAPIENTRY

-_mesa_MatrixMode( GLenum mode )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END(ctx);

-

-   if (ctx->Transform.MatrixMode == mode && mode != GL_TEXTURE)

-      return;

-   FLUSH_VERTICES(ctx, _NEW_TRANSFORM);

-

-   switch (mode) {

-   case GL_MODELVIEW:

-      ctx->CurrentStack = &ctx->ModelviewMatrixStack;

-      break;

-   case GL_PROJECTION:

-      ctx->CurrentStack = &ctx->ProjectionMatrixStack;

-      break;

-   case GL_TEXTURE:

-      /* This error check is disabled because if we're called from

-       * glPopAttrib() when the active texture unit is >= MaxTextureCoordUnits

-       * we'll generate an unexpected error.

-       * From the GL_ARB_vertex_shader spec it sounds like we should instead

-       * do error checking in other places when we actually try to access

-       * texture matrices beyond MaxTextureCoordUnits.

-       */

-#if 0

-      if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {

-         _mesa_error(ctx, GL_INVALID_OPERATION,

-                     "glMatrixMode(invalid tex unit %d)",

-                     ctx->Texture.CurrentUnit);

-         return;

-      }

-#endif

-      ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->TextureMatrixStack));

-      ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit];

-      break;

-   case GL_MATRIX0_NV:

-   case GL_MATRIX1_NV:

-   case GL_MATRIX2_NV:

-   case GL_MATRIX3_NV:

-   case GL_MATRIX4_NV:

-   case GL_MATRIX5_NV:

-   case GL_MATRIX6_NV:

-   case GL_MATRIX7_NV:

-      if (ctx->Extensions.NV_vertex_program) {

-         ctx->CurrentStack = &ctx->ProgramMatrixStack[mode - GL_MATRIX0_NV];

-      }

-      else {

-         _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );

-         return;

-      }

-      break;

-   case GL_MATRIX0_ARB:

-   case GL_MATRIX1_ARB:

-   case GL_MATRIX2_ARB:

-   case GL_MATRIX3_ARB:

-   case GL_MATRIX4_ARB:

-   case GL_MATRIX5_ARB:

-   case GL_MATRIX6_ARB:

-   case GL_MATRIX7_ARB:

-      if (ctx->Extensions.ARB_vertex_program ||

-          ctx->Extensions.ARB_fragment_program) {

-         const GLuint m = mode - GL_MATRIX0_ARB;

-         if (m > ctx->Const.MaxProgramMatrices) {

-            _mesa_error(ctx, GL_INVALID_ENUM,

-                        "glMatrixMode(GL_MATRIX%d_ARB)", m);

-            return;

-         }

-         ctx->CurrentStack = &ctx->ProgramMatrixStack[m];

-      }

-      else {

-         _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );

-         return;

-      }

-      break;

-   default:

-      _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );

-      return;

-   }

-

-   ctx->Transform.MatrixMode = mode;

-}

-

-

-/**

- * Push the current matrix stack.

- *

- * \sa glPushMatrix().

- * 

- * Verifies the current matrix stack is not full, and duplicates the top-most

- * matrix in the stack.

- * Marks __struct gl_contextRec::NewState with the stack dirty flag.

- */

-void GLAPIENTRY

-_mesa_PushMatrix( void )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   struct gl_matrix_stack *stack = ctx->CurrentStack;

-   ASSERT_OUTSIDE_BEGIN_END(ctx);

-

-   if (MESA_VERBOSE&VERBOSE_API)

-      _mesa_debug(ctx, "glPushMatrix %s\n",

-                  _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));

-

-   if (stack->Depth + 1 >= stack->MaxDepth) {

-      if (ctx->Transform.MatrixMode == GL_TEXTURE) {

-         _mesa_error(ctx,  GL_STACK_OVERFLOW,

-                     "glPushMatrix(mode=GL_TEXTURE, unit=%d)",

-                      ctx->Texture.CurrentUnit);

-      }

-      else {

-         _mesa_error(ctx,  GL_STACK_OVERFLOW, "glPushMatrix(mode=%s)",

-                     _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));

-      }

-      return;

-   }

-   _math_matrix_copy( &stack->Stack[stack->Depth + 1],

-                      &stack->Stack[stack->Depth] );

-   stack->Depth++;

-   stack->Top = &(stack->Stack[stack->Depth]);

-   ctx->NewState |= stack->DirtyFlag;

-}

-

-

-/**

- * Pop the current matrix stack.

- *

- * \sa glPopMatrix().

- * 

- * Flushes the vertices, verifies the current matrix stack is not empty, and

- * moves the stack head down.

- * Marks __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_PopMatrix( void )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   struct gl_matrix_stack *stack = ctx->CurrentStack;

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-

-   if (MESA_VERBOSE&VERBOSE_API)

-      _mesa_debug(ctx, "glPopMatrix %s\n",

-                  _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));

-

-   if (stack->Depth == 0) {

-      if (ctx->Transform.MatrixMode == GL_TEXTURE) {

-         _mesa_error(ctx,  GL_STACK_UNDERFLOW,

-                     "glPopMatrix(mode=GL_TEXTURE, unit=%d)",

-                      ctx->Texture.CurrentUnit);

-      }

-      else {

-         _mesa_error(ctx,  GL_STACK_UNDERFLOW, "glPopMatrix(mode=%s)",

-                     _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));

-      }

-      return;

-   }

-   stack->Depth--;

-   stack->Top = &(stack->Stack[stack->Depth]);

-   ctx->NewState |= stack->DirtyFlag;

-}

-

-

-/**

- * Replace the current matrix with the identity matrix.

- *

- * \sa glLoadIdentity().

- *

- * Flushes the vertices and calls _math_matrix_set_identity() with the

- * top-most matrix in the current stack.

- * Marks __struct gl_contextRec::NewState with the stack dirty flag.

- */

-void GLAPIENTRY

-_mesa_LoadIdentity( void )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-

-   if (MESA_VERBOSE & VERBOSE_API)

-      _mesa_debug(ctx, "glLoadIdentity()\n");

-

-   _math_matrix_set_identity( ctx->CurrentStack->Top );

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Replace the current matrix with a given matrix.

- *

- * \param m matrix.

- *

- * \sa glLoadMatrixf().

- *

- * Flushes the vertices and calls _math_matrix_loadf() with the top-most

- * matrix in the current stack and the given matrix.

- * Marks __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_LoadMatrixf( const GLfloat *m )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   if (!m) return;

-   if (MESA_VERBOSE & VERBOSE_API)

-      _mesa_debug(ctx,

-          "glLoadMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",

-          m[0], m[4], m[8], m[12],

-          m[1], m[5], m[9], m[13],

-          m[2], m[6], m[10], m[14],

-          m[3], m[7], m[11], m[15]);

-

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   _math_matrix_loadf( ctx->CurrentStack->Top, m );

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Multiply the current matrix with a given matrix.

- *

- * \param m matrix.

- *

- * \sa glMultMatrixf().

- *

- * Flushes the vertices and calls _math_matrix_mul_floats() with the top-most

- * matrix in the current stack and the given matrix. Marks

- * __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_MultMatrixf( const GLfloat *m )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   if (!m) return;

-   if (MESA_VERBOSE & VERBOSE_API)

-      _mesa_debug(ctx,

-          "glMultMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",

-          m[0], m[4], m[8], m[12],

-          m[1], m[5], m[9], m[13],

-          m[2], m[6], m[10], m[14],

-          m[3], m[7], m[11], m[15]);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   _math_matrix_mul_floats( ctx->CurrentStack->Top, m );

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Multiply the current matrix with a rotation matrix.

- *

- * \param angle angle of rotation, in degrees.

- * \param x rotation vector x coordinate.

- * \param y rotation vector y coordinate.

- * \param z rotation vector z coordinate.

- *

- * \sa glRotatef().

- *

- * Flushes the vertices and calls _math_matrix_rotate() with the top-most

- * matrix in the current stack and the given parameters. Marks

- * __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   if (angle != 0.0F) {

-      _math_matrix_rotate( ctx->CurrentStack->Top, angle, x, y, z);

-      ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-   }

-}

-

-

-/**

- * Multiply the current matrix with a general scaling matrix.

- *

- * \param x x axis scale factor.

- * \param y y axis scale factor.

- * \param z z axis scale factor.

- *

- * \sa glScalef().

- *

- * Flushes the vertices and calls _math_matrix_scale() with the top-most

- * matrix in the current stack and the given parameters. Marks

- * __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_Scalef( GLfloat x, GLfloat y, GLfloat z )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   _math_matrix_scale( ctx->CurrentStack->Top, x, y, z);

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

-

-/**

- * Multiply the current matrix with a translation matrix.

- *

- * \param x translation vector x coordinate.

- * \param y translation vector y coordinate.

- * \param z translation vector z coordinate.

- *

- * \sa glTranslatef().

- *

- * Flushes the vertices and calls _math_matrix_translate() with the top-most

- * matrix in the current stack and the given parameters. Marks

- * __struct gl_contextRec::NewState with the dirty stack flag.

- */

-void GLAPIENTRY

-_mesa_Translatef( GLfloat x, GLfloat y, GLfloat z )

-{

-   GET_CURRENT_CONTEXT(ctx);

-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   _math_matrix_translate( ctx->CurrentStack->Top, x, y, z);

-   ctx->NewState |= ctx->CurrentStack->DirtyFlag;

-}

-

- 

-#if _HAVE_FULL_GL

-void GLAPIENTRY

-_mesa_LoadMatrixd( const GLdouble *m )

-{

-   GLint i;

-   GLfloat f[16];

-   if (!m) return;

-   for (i = 0; i < 16; i++)

-      f[i] = (GLfloat) m[i];

-   _mesa_LoadMatrixf(f);

-}

-

-void GLAPIENTRY

-_mesa_MultMatrixd( const GLdouble *m )

-{

-   GLint i;

-   GLfloat f[16];

-   if (!m) return;

-   for (i = 0; i < 16; i++)

-      f[i] = (GLfloat) m[i];

-   _mesa_MultMatrixf( f );

-}

-

-

-void GLAPIENTRY

-_mesa_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z )

-{

-   _mesa_Rotatef((GLfloat) angle, (GLfloat) x, (GLfloat) y, (GLfloat) z);

-}

-

-

-void GLAPIENTRY

-_mesa_Scaled( GLdouble x, GLdouble y, GLdouble z )

-{

-   _mesa_Scalef((GLfloat) x, (GLfloat) y, (GLfloat) z);

-}

-

-

-void GLAPIENTRY

-_mesa_Translated( GLdouble x, GLdouble y, GLdouble z )

-{

-   _mesa_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z);

-}

-#endif

-

-

-#if _HAVE_FULL_GL

-void GLAPIENTRY

-_mesa_LoadTransposeMatrixfARB( const GLfloat *m )

-{

-   GLfloat tm[16];

-   if (!m) return;

-   _math_transposef(tm, m);

-   _mesa_LoadMatrixf(tm);

-}

-

-

-void GLAPIENTRY

-_mesa_LoadTransposeMatrixdARB( const GLdouble *m )

-{

-   GLfloat tm[16];

-   if (!m) return;

-   _math_transposefd(tm, m);

-   _mesa_LoadMatrixf(tm);

-}

-

-

-void GLAPIENTRY

-_mesa_MultTransposeMatrixfARB( const GLfloat *m )

-{

-   GLfloat tm[16];

-   if (!m) return;

-   _math_transposef(tm, m);

-   _mesa_MultMatrixf(tm);

-}

-

-

-void GLAPIENTRY

-_mesa_MultTransposeMatrixdARB( const GLdouble *m )

-{

-   GLfloat tm[16];

-   if (!m) return;

-   _math_transposefd(tm, m);

-   _mesa_MultMatrixf(tm);

-}

-#endif

-

-

-

-/**********************************************************************/

-/** \name State management */

-/*@{*/

-

-

-/**

- * Update the projection matrix stack.

- *

- * \param ctx GL context.

- *

- * Calls _math_matrix_analyse() with the top-matrix of the projection matrix

- * stack, and recomputes user clip positions if necessary.

- * 

- * \note This routine references __struct gl_contextRec::Tranform attribute

- * values to compute userclip positions in clip space, but is only called on

- * _NEW_PROJECTION.  The _mesa_ClipPlane() function keeps these values up to

- * date across changes to the __struct gl_contextRec::Transform attributes.

- */

-static void

-update_projection( struct gl_context *ctx )

-{

-   _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );

-

-#if FEATURE_userclip

-   /* Recompute clip plane positions in clipspace.  This is also done

-    * in _mesa_ClipPlane().

-    */

-   if (ctx->Transform.ClipPlanesEnabled) {

-      GLuint p;

-      for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {

-	 if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {

-	    _mesa_transform_vector( ctx->Transform._ClipUserPlane[p],

-				 ctx->Transform.EyeUserPlane[p],

-				 ctx->ProjectionMatrixStack.Top->inv );

-	 }

-      }

-   }

-#endif

-}

-

-

-/**

- * Calculate the combined modelview-projection matrix.

- *

- * \param ctx GL context.

- *

- * Multiplies the top matrices of the projection and model view stacks into

- * __struct gl_contextRec::_ModelProjectMatrix via _math_matrix_mul_matrix()

- * and analyzes the resulting matrix via _math_matrix_analyse().

- */

-static void

-calculate_model_project_matrix( struct gl_context *ctx )

-{

-   _math_matrix_mul_matrix( &ctx->_ModelProjectMatrix,

-                            ctx->ProjectionMatrixStack.Top,

-                            ctx->ModelviewMatrixStack.Top );

-

-   _math_matrix_analyse( &ctx->_ModelProjectMatrix );

-}

-

-

-/**

- * Updates the combined modelview-projection matrix.

- *

- * \param ctx GL context.

- * \param new_state new state bit mask.

- *

- * If there is a new model view matrix then analyzes it. If there is a new

- * projection matrix, updates it. Finally calls

- * calculate_model_project_matrix() to recalculate the modelview-projection

- * matrix.

- */

-void _mesa_update_modelview_project( struct gl_context *ctx, GLuint new_state )

-{

-   if (new_state & _NEW_MODELVIEW) {

-      _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );

-    

-      /* Bring cull position up to date.

-       */

-      TRANSFORM_POINT3( ctx->Transform.CullObjPos, 

-			ctx->ModelviewMatrixStack.Top->inv,

-			ctx->Transform.CullEyePos );

-   }

-

-

-   if (new_state & _NEW_PROJECTION)

-      update_projection( ctx );

-

-   /* Keep ModelviewProject up to date always to allow tnl

-    * implementations that go model->clip even when eye is required.

-    */

-   calculate_model_project_matrix(ctx);

-}

-

-/*@}*/

-

-

-/**********************************************************************/

-/** Matrix stack initialization */

-/*@{*/

-

-

-/**

- * Initialize a matrix stack.

- *

- * \param stack matrix stack.

- * \param maxDepth maximum stack depth.

- * \param dirtyFlag dirty flag.

- * 

- * Allocates an array of \p maxDepth elements for the matrix stack and calls

- * _math_matrix_ctr() and _math_matrix_alloc_inv() for each element to

- * initialize it.

- */

-static void

-init_matrix_stack( struct gl_matrix_stack *stack,

-                   GLuint maxDepth, GLuint dirtyFlag )

-{

-   GLuint i;

-

-   stack->Depth = 0;

-   stack->MaxDepth = maxDepth;

-   stack->DirtyFlag = dirtyFlag;

-   /* The stack */

-   stack->Stack = (GLmatrix *) CALLOC(maxDepth * sizeof(GLmatrix));

-   for (i = 0; i < maxDepth; i++) {

-      _math_matrix_ctr(&stack->Stack[i]);

-      _math_matrix_alloc_inv(&stack->Stack[i]);

-   }

-   stack->Top = stack->Stack;

-}

-

-/**

- * Free matrix stack.

- * 

- * \param stack matrix stack.

- * 

- * Calls _math_matrix_dtr() for each element of the matrix stack and

- * frees the array.

- */

-static void

-free_matrix_stack( struct gl_matrix_stack *stack )

-{

-   GLuint i;

-   for (i = 0; i < stack->MaxDepth; i++) {

-      _math_matrix_dtr(&stack->Stack[i]);

-   }

-   FREE(stack->Stack);

-   stack->Stack = stack->Top = NULL;

-}

-

-/*@}*/

-

-

-/**********************************************************************/

-/** \name Initialization */

-/*@{*/

-

-

-/**

- * Initialize the context matrix data.

- *

- * \param ctx GL context.

- *

- * Initializes each of the matrix stacks and the combined modelview-projection

- * matrix.

- */

-void _mesa_init_matrix( struct gl_context * ctx )

-{

-   GLint i;

-

-   /* Initialize matrix stacks */

-   init_matrix_stack(&ctx->ModelviewMatrixStack, MAX_MODELVIEW_STACK_DEPTH,

-                     _NEW_MODELVIEW);

-   init_matrix_stack(&ctx->ProjectionMatrixStack, MAX_PROJECTION_STACK_DEPTH,

-                     _NEW_PROJECTION);

-   for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)

-      init_matrix_stack(&ctx->TextureMatrixStack[i], MAX_TEXTURE_STACK_DEPTH,

-                        _NEW_TEXTURE_MATRIX);

-   for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++)

-      init_matrix_stack(&ctx->ProgramMatrixStack[i], 

-		        MAX_PROGRAM_MATRIX_STACK_DEPTH, _NEW_TRACK_MATRIX);

-   ctx->CurrentStack = &ctx->ModelviewMatrixStack;

-

-   /* Init combined Modelview*Projection matrix */

-   _math_matrix_ctr( &ctx->_ModelProjectMatrix );

-}

-

-

-/**

- * Free the context matrix data.

- * 

- * \param ctx GL context.

- *

- * Frees each of the matrix stacks and the combined modelview-projection

- * matrix.

- */

-void _mesa_free_matrix_data( struct gl_context *ctx )

-{

-   GLint i;

-

-   free_matrix_stack(&ctx->ModelviewMatrixStack);

-   free_matrix_stack(&ctx->ProjectionMatrixStack);

-   for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)

-      free_matrix_stack(&ctx->TextureMatrixStack[i]);

-   for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++)

-      free_matrix_stack(&ctx->ProgramMatrixStack[i]);

-   /* combined Modelview*Projection matrix */

-   _math_matrix_dtr( &ctx->_ModelProjectMatrix );

-

-}

-

-

-/** 

- * Initialize the context transform attribute group.

- *

- * \param ctx GL context.

- *

- * \todo Move this to a new file with other 'transform' routines.

- */

-void _mesa_init_transform( struct gl_context *ctx )

-{

-   GLint i;

-

-   /* Transformation group */

-   ctx->Transform.MatrixMode = GL_MODELVIEW;

-   ctx->Transform.Normalize = GL_FALSE;

-   ctx->Transform.RescaleNormals = GL_FALSE;

-   ctx->Transform.RasterPositionUnclipped = GL_FALSE;

-   for (i=0;i<MAX_CLIP_PLANES;i++) {

-      ASSIGN_4V( ctx->Transform.EyeUserPlane[i], 0.0, 0.0, 0.0, 0.0 );

-   }

-   ctx->Transform.ClipPlanesEnabled = 0;

-

-   ASSIGN_4V( ctx->Transform.CullObjPos, 0.0, 0.0, 1.0, 0.0 );

-   ASSIGN_4V( ctx->Transform.CullEyePos, 0.0, 0.0, 1.0, 0.0 );

-}

-

-

-/*@}*/

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.5
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file matrix.c
+ * Matrix operations.
+ *
+ * \note
+ * -# 4x4 transformation matrices are stored in memory in column major order.
+ * -# Points/vertices are to be thought of as column vectors.
+ * -# Transformation of a point p by a matrix M is: p' = M * p
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "enums.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "matrix.h"
+#include "mtypes.h"
+#include "math/m_matrix.h"
+
+
+/**
+ * Apply a perspective projection matrix.
+ *
+ * \param left left clipping plane coordinate.
+ * \param right right clipping plane coordinate.
+ * \param bottom bottom clipping plane coordinate.
+ * \param top top clipping plane coordinate.
+ * \param nearval distance to the near clipping plane.
+ * \param farval distance to the far clipping plane.
+ *
+ * \sa glFrustum().
+ *
+ * Flushes vertices and validates parameters. Calls _math_matrix_frustum() with
+ * the top matrix of the current matrix stack and sets
+ * __struct gl_contextRec::NewState.
+ */
+void GLAPIENTRY
+_mesa_Frustum( GLdouble left, GLdouble right,
+               GLdouble bottom, GLdouble top,
+               GLdouble nearval, GLdouble farval )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   if (nearval <= 0.0 ||
+       farval <= 0.0 ||
+       nearval == farval ||
+       left == right ||
+       top == bottom)
+   {
+      _mesa_error( ctx,  GL_INVALID_VALUE, "glFrustum" );
+      return;
+   }
+
+   _math_matrix_frustum( ctx->CurrentStack->Top,
+                         (GLfloat) left, (GLfloat) right, 
+			 (GLfloat) bottom, (GLfloat) top, 
+			 (GLfloat) nearval, (GLfloat) farval );
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Apply an orthographic projection matrix.
+ *
+ * \param left left clipping plane coordinate.
+ * \param right right clipping plane coordinate.
+ * \param bottom bottom clipping plane coordinate.
+ * \param top top clipping plane coordinate.
+ * \param nearval distance to the near clipping plane.
+ * \param farval distance to the far clipping plane.
+ *
+ * \sa glOrtho().
+ *
+ * Flushes vertices and validates parameters. Calls _math_matrix_ortho() with
+ * the top matrix of the current matrix stack and sets
+ * __struct gl_contextRec::NewState.
+ */
+void GLAPIENTRY
+_mesa_Ortho( GLdouble left, GLdouble right,
+             GLdouble bottom, GLdouble top,
+             GLdouble nearval, GLdouble farval )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx, "glOrtho(%f, %f, %f, %f, %f, %f)\n",
+                  left, right, bottom, top, nearval, farval);
+
+   if (left == right ||
+       bottom == top ||
+       nearval == farval)
+   {
+      _mesa_error( ctx,  GL_INVALID_VALUE, "glOrtho" );
+      return;
+   }
+
+   _math_matrix_ortho( ctx->CurrentStack->Top,
+                       (GLfloat) left, (GLfloat) right, 
+		       (GLfloat) bottom, (GLfloat) top, 
+		       (GLfloat) nearval, (GLfloat) farval );
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Set the current matrix stack.
+ *
+ * \param mode matrix stack.
+ *
+ * \sa glMatrixMode().
+ *
+ * Flushes the vertices, validates the parameter and updates
+ * __struct gl_contextRec::CurrentStack and gl_transform_attrib::MatrixMode
+ * with the specified matrix stack.
+ */
+void GLAPIENTRY
+_mesa_MatrixMode( GLenum mode )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (ctx->Transform.MatrixMode == mode && mode != GL_TEXTURE)
+      return;
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+
+   switch (mode) {
+   case GL_MODELVIEW:
+      ctx->CurrentStack = &ctx->ModelviewMatrixStack;
+      break;
+   case GL_PROJECTION:
+      ctx->CurrentStack = &ctx->ProjectionMatrixStack;
+      break;
+   case GL_TEXTURE:
+      /* This error check is disabled because if we're called from
+       * glPopAttrib() when the active texture unit is >= MaxTextureCoordUnits
+       * we'll generate an unexpected error.
+       * From the GL_ARB_vertex_shader spec it sounds like we should instead
+       * do error checking in other places when we actually try to access
+       * texture matrices beyond MaxTextureCoordUnits.
+       */
+#if 0
+      if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glMatrixMode(invalid tex unit %d)",
+                     ctx->Texture.CurrentUnit);
+         return;
+      }
+#endif
+      ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->TextureMatrixStack));
+      ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit];
+      break;
+   case GL_MATRIX0_NV:
+   case GL_MATRIX1_NV:
+   case GL_MATRIX2_NV:
+   case GL_MATRIX3_NV:
+   case GL_MATRIX4_NV:
+   case GL_MATRIX5_NV:
+   case GL_MATRIX6_NV:
+   case GL_MATRIX7_NV:
+      if (ctx->Extensions.NV_vertex_program) {
+         ctx->CurrentStack = &ctx->ProgramMatrixStack[mode - GL_MATRIX0_NV];
+      }
+      else {
+         _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );
+         return;
+      }
+      break;
+   case GL_MATRIX0_ARB:
+   case GL_MATRIX1_ARB:
+   case GL_MATRIX2_ARB:
+   case GL_MATRIX3_ARB:
+   case GL_MATRIX4_ARB:
+   case GL_MATRIX5_ARB:
+   case GL_MATRIX6_ARB:
+   case GL_MATRIX7_ARB:
+      if (ctx->Extensions.ARB_vertex_program ||
+          ctx->Extensions.ARB_fragment_program) {
+         const GLuint m = mode - GL_MATRIX0_ARB;
+         if (m > ctx->Const.MaxProgramMatrices) {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glMatrixMode(GL_MATRIX%d_ARB)", m);
+            return;
+         }
+         ctx->CurrentStack = &ctx->ProgramMatrixStack[m];
+      }
+      else {
+         _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );
+         return;
+      }
+      break;
+   default:
+      _mesa_error( ctx,  GL_INVALID_ENUM, "glMatrixMode(mode)" );
+      return;
+   }
+
+   ctx->Transform.MatrixMode = mode;
+}
+
+
+/**
+ * Push the current matrix stack.
+ *
+ * \sa glPushMatrix().
+ * 
+ * Verifies the current matrix stack is not full, and duplicates the top-most
+ * matrix in the stack.
+ * Marks __struct gl_contextRec::NewState with the stack dirty flag.
+ */
+void GLAPIENTRY
+_mesa_PushMatrix( void )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_matrix_stack *stack = ctx->CurrentStack;
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (MESA_VERBOSE&VERBOSE_API)
+      _mesa_debug(ctx, "glPushMatrix %s\n",
+                  _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
+
+   if (stack->Depth + 1 >= stack->MaxDepth) {
+      if (ctx->Transform.MatrixMode == GL_TEXTURE) {
+         _mesa_error(ctx,  GL_STACK_OVERFLOW,
+                     "glPushMatrix(mode=GL_TEXTURE, unit=%d)",
+                      ctx->Texture.CurrentUnit);
+      }
+      else {
+         _mesa_error(ctx,  GL_STACK_OVERFLOW, "glPushMatrix(mode=%s)",
+                     _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
+      }
+      return;
+   }
+   _math_matrix_copy( &stack->Stack[stack->Depth + 1],
+                      &stack->Stack[stack->Depth] );
+   stack->Depth++;
+   stack->Top = &(stack->Stack[stack->Depth]);
+   ctx->NewState |= stack->DirtyFlag;
+}
+
+
+/**
+ * Pop the current matrix stack.
+ *
+ * \sa glPopMatrix().
+ * 
+ * Flushes the vertices, verifies the current matrix stack is not empty, and
+ * moves the stack head down.
+ * Marks __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_PopMatrix( void )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_matrix_stack *stack = ctx->CurrentStack;
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   if (MESA_VERBOSE&VERBOSE_API)
+      _mesa_debug(ctx, "glPopMatrix %s\n",
+                  _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
+
+   if (stack->Depth == 0) {
+      if (ctx->Transform.MatrixMode == GL_TEXTURE) {
+         _mesa_error(ctx,  GL_STACK_UNDERFLOW,
+                     "glPopMatrix(mode=GL_TEXTURE, unit=%d)",
+                      ctx->Texture.CurrentUnit);
+      }
+      else {
+         _mesa_error(ctx,  GL_STACK_UNDERFLOW, "glPopMatrix(mode=%s)",
+                     _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
+      }
+      return;
+   }
+   stack->Depth--;
+   stack->Top = &(stack->Stack[stack->Depth]);
+   ctx->NewState |= stack->DirtyFlag;
+}
+
+
+/**
+ * Replace the current matrix with the identity matrix.
+ *
+ * \sa glLoadIdentity().
+ *
+ * Flushes the vertices and calls _math_matrix_set_identity() with the
+ * top-most matrix in the current stack.
+ * Marks __struct gl_contextRec::NewState with the stack dirty flag.
+ */
+void GLAPIENTRY
+_mesa_LoadIdentity( void )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx, "glLoadIdentity()\n");
+
+   _math_matrix_set_identity( ctx->CurrentStack->Top );
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Replace the current matrix with a given matrix.
+ *
+ * \param m matrix.
+ *
+ * \sa glLoadMatrixf().
+ *
+ * Flushes the vertices and calls _math_matrix_loadf() with the top-most
+ * matrix in the current stack and the given matrix.
+ * Marks __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_LoadMatrixf( const GLfloat *m )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   if (!m) return;
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx,
+          "glLoadMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",
+          m[0], m[4], m[8], m[12],
+          m[1], m[5], m[9], m[13],
+          m[2], m[6], m[10], m[14],
+          m[3], m[7], m[11], m[15]);
+
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   _math_matrix_loadf( ctx->CurrentStack->Top, m );
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Multiply the current matrix with a given matrix.
+ *
+ * \param m matrix.
+ *
+ * \sa glMultMatrixf().
+ *
+ * Flushes the vertices and calls _math_matrix_mul_floats() with the top-most
+ * matrix in the current stack and the given matrix. Marks
+ * __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_MultMatrixf( const GLfloat *m )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   if (!m) return;
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx,
+          "glMultMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",
+          m[0], m[4], m[8], m[12],
+          m[1], m[5], m[9], m[13],
+          m[2], m[6], m[10], m[14],
+          m[3], m[7], m[11], m[15]);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   _math_matrix_mul_floats( ctx->CurrentStack->Top, m );
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Multiply the current matrix with a rotation matrix.
+ *
+ * \param angle angle of rotation, in degrees.
+ * \param x rotation vector x coordinate.
+ * \param y rotation vector y coordinate.
+ * \param z rotation vector z coordinate.
+ *
+ * \sa glRotatef().
+ *
+ * Flushes the vertices and calls _math_matrix_rotate() with the top-most
+ * matrix in the current stack and the given parameters. Marks
+ * __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   if (angle != 0.0F) {
+      _math_matrix_rotate( ctx->CurrentStack->Top, angle, x, y, z);
+      ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+   }
+}
+
+
+/**
+ * Multiply the current matrix with a general scaling matrix.
+ *
+ * \param x x axis scale factor.
+ * \param y y axis scale factor.
+ * \param z z axis scale factor.
+ *
+ * \sa glScalef().
+ *
+ * Flushes the vertices and calls _math_matrix_scale() with the top-most
+ * matrix in the current stack and the given parameters. Marks
+ * __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_Scalef( GLfloat x, GLfloat y, GLfloat z )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   _math_matrix_scale( ctx->CurrentStack->Top, x, y, z);
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+
+/**
+ * Multiply the current matrix with a translation matrix.
+ *
+ * \param x translation vector x coordinate.
+ * \param y translation vector y coordinate.
+ * \param z translation vector z coordinate.
+ *
+ * \sa glTranslatef().
+ *
+ * Flushes the vertices and calls _math_matrix_translate() with the top-most
+ * matrix in the current stack and the given parameters. Marks
+ * __struct gl_contextRec::NewState with the dirty stack flag.
+ */
+void GLAPIENTRY
+_mesa_Translatef( GLfloat x, GLfloat y, GLfloat z )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   _math_matrix_translate( ctx->CurrentStack->Top, x, y, z);
+   ctx->NewState |= ctx->CurrentStack->DirtyFlag;
+}
+
+ 
+#if _HAVE_FULL_GL
+void GLAPIENTRY
+_mesa_LoadMatrixd( const GLdouble *m )
+{
+   GLint i;
+   GLfloat f[16];
+   if (!m) return;
+   for (i = 0; i < 16; i++)
+      f[i] = (GLfloat) m[i];
+   _mesa_LoadMatrixf(f);
+}
+
+void GLAPIENTRY
+_mesa_MultMatrixd( const GLdouble *m )
+{
+   GLint i;
+   GLfloat f[16];
+   if (!m) return;
+   for (i = 0; i < 16; i++)
+      f[i] = (GLfloat) m[i];
+   _mesa_MultMatrixf( f );
+}
+
+
+void GLAPIENTRY
+_mesa_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z )
+{
+   _mesa_Rotatef((GLfloat) angle, (GLfloat) x, (GLfloat) y, (GLfloat) z);
+}
+
+
+void GLAPIENTRY
+_mesa_Scaled( GLdouble x, GLdouble y, GLdouble z )
+{
+   _mesa_Scalef((GLfloat) x, (GLfloat) y, (GLfloat) z);
+}
+
+
+void GLAPIENTRY
+_mesa_Translated( GLdouble x, GLdouble y, GLdouble z )
+{
+   _mesa_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z);
+}
+#endif
+
+
+#if _HAVE_FULL_GL
+void GLAPIENTRY
+_mesa_LoadTransposeMatrixfARB( const GLfloat *m )
+{
+   GLfloat tm[16];
+   if (!m) return;
+   _math_transposef(tm, m);
+   _mesa_LoadMatrixf(tm);
+}
+
+
+void GLAPIENTRY
+_mesa_LoadTransposeMatrixdARB( const GLdouble *m )
+{
+   GLfloat tm[16];
+   if (!m) return;
+   _math_transposefd(tm, m);
+   _mesa_LoadMatrixf(tm);
+}
+
+
+void GLAPIENTRY
+_mesa_MultTransposeMatrixfARB( const GLfloat *m )
+{
+   GLfloat tm[16];
+   if (!m) return;
+   _math_transposef(tm, m);
+   _mesa_MultMatrixf(tm);
+}
+
+
+void GLAPIENTRY
+_mesa_MultTransposeMatrixdARB( const GLdouble *m )
+{
+   GLfloat tm[16];
+   if (!m) return;
+   _math_transposefd(tm, m);
+   _mesa_MultMatrixf(tm);
+}
+#endif
+
+
+
+/**********************************************************************/
+/** \name State management */
+/*@{*/
+
+
+/**
+ * Update the projection matrix stack.
+ *
+ * \param ctx GL context.
+ *
+ * Calls _math_matrix_analyse() with the top-matrix of the projection matrix
+ * stack, and recomputes user clip positions if necessary.
+ * 
+ * \note This routine references __struct gl_contextRec::Tranform attribute
+ * values to compute userclip positions in clip space, but is only called on
+ * _NEW_PROJECTION.  The _mesa_ClipPlane() function keeps these values up to
+ * date across changes to the __struct gl_contextRec::Transform attributes.
+ */
+static void
+update_projection( struct gl_context *ctx )
+{
+   _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
+
+#if FEATURE_userclip
+   /* Recompute clip plane positions in clipspace.  This is also done
+    * in _mesa_ClipPlane().
+    */
+   if (ctx->Transform.ClipPlanesEnabled) {
+      GLuint p;
+      for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
+	 if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
+	    _mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
+				 ctx->Transform.EyeUserPlane[p],
+				 ctx->ProjectionMatrixStack.Top->inv );
+	 }
+      }
+   }
+#endif
+}
+
+
+/**
+ * Calculate the combined modelview-projection matrix.
+ *
+ * \param ctx GL context.
+ *
+ * Multiplies the top matrices of the projection and model view stacks into
+ * __struct gl_contextRec::_ModelProjectMatrix via _math_matrix_mul_matrix()
+ * and analyzes the resulting matrix via _math_matrix_analyse().
+ */
+static void
+calculate_model_project_matrix( struct gl_context *ctx )
+{
+   _math_matrix_mul_matrix( &ctx->_ModelProjectMatrix,
+                            ctx->ProjectionMatrixStack.Top,
+                            ctx->ModelviewMatrixStack.Top );
+
+   _math_matrix_analyse( &ctx->_ModelProjectMatrix );
+}
+
+
+/**
+ * Updates the combined modelview-projection matrix.
+ *
+ * \param ctx GL context.
+ * \param new_state new state bit mask.
+ *
+ * If there is a new model view matrix then analyzes it. If there is a new
+ * projection matrix, updates it. Finally calls
+ * calculate_model_project_matrix() to recalculate the modelview-projection
+ * matrix.
+ */
+void _mesa_update_modelview_project( struct gl_context *ctx, GLuint new_state )
+{
+   if (new_state & _NEW_MODELVIEW) {
+      _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
+    
+      /* Bring cull position up to date.
+       */
+      TRANSFORM_POINT3( ctx->Transform.CullObjPos, 
+			ctx->ModelviewMatrixStack.Top->inv,
+			ctx->Transform.CullEyePos );
+   }
+
+
+   if (new_state & _NEW_PROJECTION)
+      update_projection( ctx );
+
+   /* Keep ModelviewProject up to date always to allow tnl
+    * implementations that go model->clip even when eye is required.
+    */
+   calculate_model_project_matrix(ctx);
+}
+
+/*@}*/
+
+
+/**********************************************************************/
+/** Matrix stack initialization */
+/*@{*/
+
+
+/**
+ * Initialize a matrix stack.
+ *
+ * \param stack matrix stack.
+ * \param maxDepth maximum stack depth.
+ * \param dirtyFlag dirty flag.
+ * 
+ * Allocates an array of \p maxDepth elements for the matrix stack and calls
+ * _math_matrix_ctr() and _math_matrix_alloc_inv() for each element to
+ * initialize it.
+ */
+static void
+init_matrix_stack( struct gl_matrix_stack *stack,
+                   GLuint maxDepth, GLuint dirtyFlag )
+{
+   GLuint i;
+
+   stack->Depth = 0;
+   stack->MaxDepth = maxDepth;
+   stack->DirtyFlag = dirtyFlag;
+   /* The stack */
+   stack->Stack = (GLmatrix *) CALLOC(maxDepth * sizeof(GLmatrix));
+   for (i = 0; i < maxDepth; i++) {
+      _math_matrix_ctr(&stack->Stack[i]);
+      _math_matrix_alloc_inv(&stack->Stack[i]);
+   }
+   stack->Top = stack->Stack;
+}
+
+/**
+ * Free matrix stack.
+ * 
+ * \param stack matrix stack.
+ * 
+ * Calls _math_matrix_dtr() for each element of the matrix stack and
+ * frees the array.
+ */
+static void
+free_matrix_stack( struct gl_matrix_stack *stack )
+{
+   GLuint i;
+   for (i = 0; i < stack->MaxDepth; i++) {
+      _math_matrix_dtr(&stack->Stack[i]);
+   }
+   FREE(stack->Stack);
+   stack->Stack = stack->Top = NULL;
+}
+
+/*@}*/
+
+
+/**********************************************************************/
+/** \name Initialization */
+/*@{*/
+
+
+/**
+ * Initialize the context matrix data.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes each of the matrix stacks and the combined modelview-projection
+ * matrix.
+ */
+void _mesa_init_matrix( struct gl_context * ctx )
+{
+   GLint i;
+
+   /* Initialize matrix stacks */
+   init_matrix_stack(&ctx->ModelviewMatrixStack, MAX_MODELVIEW_STACK_DEPTH,
+                     _NEW_MODELVIEW);
+   init_matrix_stack(&ctx->ProjectionMatrixStack, MAX_PROJECTION_STACK_DEPTH,
+                     _NEW_PROJECTION);
+   for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)
+      init_matrix_stack(&ctx->TextureMatrixStack[i], MAX_TEXTURE_STACK_DEPTH,
+                        _NEW_TEXTURE_MATRIX);
+   for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++)
+      init_matrix_stack(&ctx->ProgramMatrixStack[i], 
+		        MAX_PROGRAM_MATRIX_STACK_DEPTH, _NEW_TRACK_MATRIX);
+   ctx->CurrentStack = &ctx->ModelviewMatrixStack;
+
+   /* Init combined Modelview*Projection matrix */
+   _math_matrix_ctr( &ctx->_ModelProjectMatrix );
+}
+
+
+/**
+ * Free the context matrix data.
+ * 
+ * \param ctx GL context.
+ *
+ * Frees each of the matrix stacks and the combined modelview-projection
+ * matrix.
+ */
+void _mesa_free_matrix_data( struct gl_context *ctx )
+{
+   GLint i;
+
+   free_matrix_stack(&ctx->ModelviewMatrixStack);
+   free_matrix_stack(&ctx->ProjectionMatrixStack);
+   for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)
+      free_matrix_stack(&ctx->TextureMatrixStack[i]);
+   for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++)
+      free_matrix_stack(&ctx->ProgramMatrixStack[i]);
+   /* combined Modelview*Projection matrix */
+   _math_matrix_dtr( &ctx->_ModelProjectMatrix );
+
+}
+
+
+/** 
+ * Initialize the context transform attribute group.
+ *
+ * \param ctx GL context.
+ *
+ * \todo Move this to a new file with other 'transform' routines.
+ */
+void _mesa_init_transform( struct gl_context *ctx )
+{
+   GLint i;
+
+   /* Transformation group */
+   ctx->Transform.MatrixMode = GL_MODELVIEW;
+   ctx->Transform.Normalize = GL_FALSE;
+   ctx->Transform.RescaleNormals = GL_FALSE;
+   ctx->Transform.RasterPositionUnclipped = GL_FALSE;
+   for (i=0;i<ctx->Const.MaxClipPlanes;i++) {
+      ASSIGN_4V( ctx->Transform.EyeUserPlane[i], 0.0, 0.0, 0.0, 0.0 );
+   }
+   ctx->Transform.ClipPlanesEnabled = 0;
+
+   ASSIGN_4V( ctx->Transform.CullObjPos, 0.0, 0.0, 1.0, 0.0 );
+   ASSIGN_4V( ctx->Transform.CullEyePos, 0.0, 0.0, 1.0, 0.0 );
+}
+
+
+/*@}*/
diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c
index f170d235a..1ead5ee10 100644
--- a/mesalib/src/mesa/main/mipmap.c
+++ b/mesalib/src/mesa/main/mipmap.c
@@ -1986,7 +1986,7 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
    gl_format temp_format;
    GLint components;
    GLuint temp_src_stride, temp_dst_stride; /* in bytes */
-   GLchan *temp_src = NULL, *temp_dst = NULL;
+   GLubyte *temp_src = NULL, *temp_dst = NULL;
    GLenum temp_datatype;
    GLenum temp_base_format;
 
@@ -2101,7 +2101,7 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
 
       /* swap src and dest pointers */
       {
-	 GLchan *temp = temp_src;
+	 GLubyte *temp = temp_src;
 	 temp_src = temp_dst;
 	 temp_dst = temp;
 
@@ -2109,7 +2109,7 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
       }
    } /* loop over mipmap levels */
 
-   free((void *) temp_src);
+   free(temp_src);
    free(temp_dst);
 }
 
@@ -2218,37 +2218,3 @@ do {									\
    }
 }
 
-
-/**
- * Upscale an image by replication, not (typical) stretching.
- * We use this when the image width or height is less than a
- * certain size (4, 8) and we need to upscale an image.
- */
-void
-_mesa_upscale_teximage2d(GLsizei inWidth, GLsizei inHeight,
-                         GLsizei outWidth, GLsizei outHeight,
-                         GLint comps, const GLchan *src, GLint srcRowStride,
-                         GLchan *dest )
-{
-   GLint i, j, k;
-
-   ASSERT(outWidth >= inWidth);
-   ASSERT(outHeight >= inHeight);
-#if 0
-   ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2);
-   ASSERT((outWidth & 3) == 0);
-   ASSERT((outHeight & 3) == 0);
-#endif
-
-   for (i = 0; i < outHeight; i++) {
-      const GLint ii = i % inHeight;
-      for (j = 0; j < outWidth; j++) {
-         const GLint jj = j % inWidth;
-         for (k = 0; k < comps; k++) {
-            dest[(i * outWidth + j) * comps + k]
-               = src[ii * srcRowStride + jj * comps + k];
-         }
-      }
-   }
-}
-
diff --git a/mesalib/src/mesa/main/mipmap.h b/mesalib/src/mesa/main/mipmap.h
index c0c6c2592..478395021 100644
--- a/mesalib/src/mesa/main/mipmap.h
+++ b/mesalib/src/mesa/main/mipmap.h
@@ -1,64 +1,58 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.5.2

- *

- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-#ifndef MIPMAP_H

-#define MIPMAP_H

-

-#include "mtypes.h"

-

-

-extern void

-_mesa_generate_mipmap_level(GLenum target,

-                            GLenum datatype, GLuint comps,

-                            GLint border,

-                            GLint srcWidth, GLint srcHeight, GLint srcDepth,

-                            const GLubyte *srcData,

-                            GLint srcRowStride,

-                            GLint dstWidth, GLint dstHeight, GLint dstDepth,

-                            GLubyte *dstData,

-                            GLint dstRowStride);

-

-

-extern void

-_mesa_generate_mipmap(struct gl_context *ctx, GLenum target,

-                      struct gl_texture_object *texObj);

-

-

-extern void

-_mesa_rescale_teximage2d(GLuint bytesPerPixel,

-                         GLuint srcStrideInPixels,

-                         GLuint dstRowStride,

-                         GLint srcWidth, GLint srcHeight,

-                         GLint dstWidth, GLint dstHeight,

-                         const GLvoid *srcImage, GLvoid *dstImage);

-

-extern void

-_mesa_upscale_teximage2d(GLsizei inWidth, GLsizei inHeight,

-                         GLsizei outWidth, GLsizei outHeight,

-                         GLint comps, const GLchan *src, GLint srcRowStride,

-                         GLchan *dest);

-

-

-#endif /* MIPMAP_H */

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.2
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef MIPMAP_H
+#define MIPMAP_H
+
+#include "mtypes.h"
+
+
+extern void
+_mesa_generate_mipmap_level(GLenum target,
+                            GLenum datatype, GLuint comps,
+                            GLint border,
+                            GLint srcWidth, GLint srcHeight, GLint srcDepth,
+                            const GLubyte *srcData,
+                            GLint srcRowStride,
+                            GLint dstWidth, GLint dstHeight, GLint dstDepth,
+                            GLubyte *dstData,
+                            GLint dstRowStride);
+
+
+extern void
+_mesa_generate_mipmap(struct gl_context *ctx, GLenum target,
+                      struct gl_texture_object *texObj);
+
+
+extern void
+_mesa_rescale_teximage2d(GLuint bytesPerPixel,
+                         GLuint srcStrideInPixels,
+                         GLuint dstRowStride,
+                         GLint srcWidth, GLint srcHeight,
+                         GLint dstWidth, GLint dstHeight,
+                         const GLvoid *srcImage, GLvoid *dstImage);
+
+
+#endif /* MIPMAP_H */
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 3b44ec6d5..42831d773 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -44,29 +44,6 @@
 
 
 /**
- * Color channel data type.
- */
-#if CHAN_BITS == 8
-   typedef GLubyte GLchan;
-#define CHAN_MAX 255
-#define CHAN_MAXF 255.0F
-#define CHAN_TYPE GL_UNSIGNED_BYTE
-#elif CHAN_BITS == 16
-   typedef GLushort GLchan;
-#define CHAN_MAX 65535
-#define CHAN_MAXF 65535.0F
-#define CHAN_TYPE GL_UNSIGNED_SHORT
-#elif CHAN_BITS == 32
-   typedef GLfloat GLchan;
-#define CHAN_MAX 1.0
-#define CHAN_MAXF 1.0F
-#define CHAN_TYPE GL_FLOAT
-#else
-#error "illegal number of color channel bits"
-#endif
-
-
-/**
  * Stencil buffer data type.
  */
 #if STENCIL_BITS==8
@@ -1950,6 +1927,8 @@ struct gl_vertex_program_state
    GLboolean _Enabled;           /**< Enabled and _valid_ user program? */
    GLboolean PointSizeEnabled;   /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
    GLboolean TwoSideEnabled;     /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
+   /** Computed two sided lighting for fixed function/programs. */
+   GLboolean _TwoSideEnabled;
    struct gl_vertex_program *Current;  /**< User-bound vertex program */
 
    /** Currently enabled and valid vertex program (including internal
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c
index 8388708a4..6d6ae59f4 100644
--- a/mesalib/src/mesa/main/pack.c
+++ b/mesalib/src/mesa/main/pack.c
@@ -3437,7 +3437,7 @@ extract_uint_rgba(GLuint n, GLuint rgba[][4],
 /*
  * Unpack a row of color image data from a client buffer according to
  * the pixel unpacking parameters.
- * Return GLchan values in the specified dest image format.
+ * Return GLubyte values in the specified dest image format.
  * This is used by glDrawPixels and glTexImage?D().
  * \param ctx - the context
  *         n - number of pixels in the span
@@ -3452,8 +3452,8 @@ extract_uint_rgba(GLuint n, GLuint rgba[][4],
  * XXX perhaps expand this to process whole images someday.
  */
 void
-_mesa_unpack_color_span_chan( struct gl_context *ctx,
-                              GLuint n, GLenum dstFormat, GLchan dest[],
+_mesa_unpack_color_span_ubyte(struct gl_context *ctx,
+                              GLuint n, GLenum dstFormat, GLubyte dest[],
                               GLenum srcFormat, GLenum srcType,
                               const GLvoid *source,
                               const struct gl_pixelstore_attrib *srcPacking,
@@ -3517,21 +3517,21 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
 
    /* Try simple cases first */
    if (transferOps == 0) {
-      if (srcType == CHAN_TYPE) {
+      if (srcType == GL_UNSIGNED_BYTE) {
          if (dstFormat == GL_RGBA) {
             if (srcFormat == GL_RGBA) {
-               memcpy( dest, source, n * 4 * sizeof(GLchan) );
+               memcpy( dest, source, n * 4 * sizeof(GLubyte) );
                return;
             }
             else if (srcFormat == GL_RGB) {
                GLuint i;
-               const GLchan *src = (const GLchan *) source;
-               GLchan *dst = dest;
+               const GLubyte *src = (const GLubyte *) source;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
                   dst[0] = src[0];
                   dst[1] = src[1];
                   dst[2] = src[2];
-                  dst[3] = CHAN_MAX;
+                  dst[3] = 255;
                   src += 3;
                   dst += 4;
                }
@@ -3540,13 +3540,13 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
          }
          else if (dstFormat == GL_RGB) {
             if (srcFormat == GL_RGB) {
-               memcpy( dest, source, n * 3 * sizeof(GLchan) );
+               memcpy( dest, source, n * 3 * sizeof(GLubyte) );
                return;
             }
             else if (srcFormat == GL_RGBA) {
                GLuint i;
-               const GLchan *src = (const GLchan *) source;
-               GLchan *dst = dest;
+               const GLubyte *src = (const GLubyte *) source;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
                   dst[0] = src[0];
                   dst[1] = src[1];
@@ -3560,7 +3560,7 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
          else if (dstFormat == srcFormat) {
             GLint comps = _mesa_components_in_format(srcFormat);
             assert(comps > 0);
-            memcpy( dest, source, n * comps * sizeof(GLchan) );
+            memcpy( dest, source, n * comps * sizeof(GLubyte) );
             return;
          }
       }
@@ -3573,12 +3573,12 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
             if (srcFormat == GL_RGB) {
                GLuint i;
                const GLubyte *src = (const GLubyte *) source;
-               GLchan *dst = dest;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
-                  dst[0] = UBYTE_TO_CHAN(src[0]);
-                  dst[1] = UBYTE_TO_CHAN(src[1]);
-                  dst[2] = UBYTE_TO_CHAN(src[2]);
-                  dst[3] = CHAN_MAX;
+                  dst[0] = src[0];
+                  dst[1] = src[1];
+                  dst[2] = src[2];
+                  dst[3] = 255;
                   src += 3;
                   dst += 4;
                }
@@ -3587,12 +3587,12 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
             else if (srcFormat == GL_RGBA) {
                GLuint i;
                const GLubyte *src = (const GLubyte *) source;
-               GLchan *dst = dest;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
-                  dst[0] = UBYTE_TO_CHAN(src[0]);
-                  dst[1] = UBYTE_TO_CHAN(src[1]);
-                  dst[2] = UBYTE_TO_CHAN(src[2]);
-                  dst[3] = UBYTE_TO_CHAN(src[3]);
+                  dst[0] = src[0];
+                  dst[1] = src[1];
+                  dst[2] = src[2];
+                  dst[3] = src[3];
                   src += 4;
                   dst += 4;
                }
@@ -3603,11 +3603,11 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
             if (srcFormat == GL_RGB) {
                GLuint i;
                const GLubyte *src = (const GLubyte *) source;
-               GLchan *dst = dest;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
-                  dst[0] = UBYTE_TO_CHAN(src[0]);
-                  dst[1] = UBYTE_TO_CHAN(src[1]);
-                  dst[2] = UBYTE_TO_CHAN(src[2]);
+                  dst[0] = src[0];
+                  dst[1] = src[1];
+                  dst[2] = src[2];
                   src += 3;
                   dst += 3;
                }
@@ -3616,11 +3616,11 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
             else if (srcFormat == GL_RGBA) {
                GLuint i;
                const GLubyte *src = (const GLubyte *) source;
-               GLchan *dst = dest;
+               GLubyte *dst = dest;
                for (i = 0; i < n; i++) {
-                  dst[0] = UBYTE_TO_CHAN(src[0]);
-                  dst[1] = UBYTE_TO_CHAN(src[1]);
-                  dst[2] = UBYTE_TO_CHAN(src[2]);
+                  dst[0] = src[0];
+                  dst[1] = src[1];
+                  dst[2] = src[2];
                   src += 4;
                   dst += 3;
                }
@@ -3679,10 +3679,8 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
                             srcPacking->SwapBytes);
       }
 
-      /* Need to clamp if returning GLubytes or GLushorts */
-#if CHAN_TYPE != GL_FLOAT
+      /* Need to clamp if returning GLubytes */
       transferOps |= IMAGE_CLAMP_BIT;
-#endif
 
       if (transferOps) {
          _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba);
@@ -3691,61 +3689,61 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
       get_component_indexes(dstFormat,
                             &rDst, &gDst, &bDst, &aDst, &lDst, &iDst);
 
-      /* Now return the GLchan data in the requested dstFormat */
+      /* Now return the GLubyte data in the requested dstFormat */
       if (rDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          for (i = 0; i < n; i++) {
-            CLAMPED_FLOAT_TO_CHAN(dst[rDst], rgba[i][RCOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[rDst], rgba[i][RCOMP]);
             dst += dstComponents;
          }
       }
 
       if (gDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          for (i = 0; i < n; i++) {
-            CLAMPED_FLOAT_TO_CHAN(dst[gDst], rgba[i][GCOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[gDst], rgba[i][GCOMP]);
             dst += dstComponents;
          }
       }
 
       if (bDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          for (i = 0; i < n; i++) {
-            CLAMPED_FLOAT_TO_CHAN(dst[bDst], rgba[i][BCOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[bDst], rgba[i][BCOMP]);
             dst += dstComponents;
          }
       }
 
       if (aDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          for (i = 0; i < n; i++) {
-            CLAMPED_FLOAT_TO_CHAN(dst[aDst], rgba[i][ACOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[aDst], rgba[i][ACOMP]);
             dst += dstComponents;
          }
       }
 
       if (iDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          assert(iDst == 0);
          assert(dstComponents == 1);
          for (i = 0; i < n; i++) {
             /* Intensity comes from red channel */
-            CLAMPED_FLOAT_TO_CHAN(dst[i], rgba[i][RCOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[i], rgba[i][RCOMP]);
          }
       }
 
       if (lDst >= 0) {
-         GLchan *dst = dest;
+         GLubyte *dst = dest;
          GLuint i;
          assert(lDst == 0);
          for (i = 0; i < n; i++) {
             /* Luminance comes from red channel */
-            CLAMPED_FLOAT_TO_CHAN(dst[0], rgba[i][RCOMP]);
+            CLAMPED_FLOAT_TO_UBYTE(dst[0], rgba[i][RCOMP]);
             dst += dstComponents;
          }
       }
@@ -3756,8 +3754,8 @@ _mesa_unpack_color_span_chan( struct gl_context *ctx,
 
 
 /**
- * Same as _mesa_unpack_color_span_chan(), but return GLfloat data
- * instead of GLchan.
+ * Same as _mesa_unpack_color_span_ubyte(), but return GLfloat data
+ * instead of GLubyte.
  */
 void
 _mesa_unpack_color_span_float( struct gl_context *ctx,
@@ -3954,8 +3952,8 @@ _mesa_unpack_color_span_float( struct gl_context *ctx,
 
 
 /**
- * Same as _mesa_unpack_color_span_chan(), but return GLuint data
- * instead of GLchan.
+ * Same as _mesa_unpack_color_span_ubyte(), but return GLuint data
+ * instead of GLubyte.
  * No pixel transfer ops are applied.
  */
 void
diff --git a/mesalib/src/mesa/main/pack.h b/mesalib/src/mesa/main/pack.h
index 00aab409e..7c76baae4 100644
--- a/mesalib/src/mesa/main/pack.h
+++ b/mesalib/src/mesa/main/pack.h
@@ -58,8 +58,8 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n,
 
 
 extern void
-_mesa_unpack_color_span_chan(struct gl_context *ctx,
-                             GLuint n, GLenum dstFormat, GLchan dest[],
+_mesa_unpack_color_span_ubyte(struct gl_context *ctx,
+                             GLuint n, GLenum dstFormat, GLubyte dest[],
                              GLenum srcFormat, GLenum srcType,
                              const GLvoid *source,
                              const struct gl_pixelstore_attrib *srcPacking,
diff --git a/mesalib/src/mesa/main/state.c b/mesalib/src/mesa/main/state.c
index 9d9c952dc..fc25515a0 100644
--- a/mesalib/src/mesa/main/state.c
+++ b/mesalib/src/mesa/main/state.c
@@ -447,7 +447,20 @@ update_clamp_read_color(struct gl_context *ctx)
       ctx->Color._ClampReadColor = ctx->Color.ClampReadColor;
 }
 
-
+/**
+ * Update the ctx->VertexProgram._TwoSideEnabled flag.
+ */
+static void
+update_twoside(struct gl_context *ctx)
+{
+   if (ctx->Shader.CurrentVertexProgram ||
+       ctx->VertexProgram.Current) {
+      ctx->VertexProgram._TwoSideEnabled = ctx->VertexProgram.TwoSideEnabled;
+   } else {
+      ctx->VertexProgram._TwoSideEnabled = (ctx->Light.Enabled &&
+					    ctx->Light.Model.TwoSide);
+   }
+}
 
 
 /*
@@ -603,6 +616,9 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (new_state & _NEW_LIGHT)
       _mesa_update_lighting( ctx );
 
+   if (new_state & (_NEW_LIGHT | _NEW_PROGRAM))
+      update_twoside( ctx );
+
    if (new_state & (_NEW_LIGHT | _NEW_BUFFERS))
       update_clamp_vertex_color(ctx);
 
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index b49d1b1ca..03e05d5ef 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -264,21 +264,23 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
       }
    }
 
-#if FEATURE_ES1 || FEATURE_ES2
-   if (formats) {
-      formats[n++] = GL_PALETTE4_RGB8_OES;
-      formats[n++] = GL_PALETTE4_RGBA8_OES;
-      formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
-      formats[n++] = GL_PALETTE4_RGBA4_OES;
-      formats[n++] = GL_PALETTE4_RGB5_A1_OES;
-      formats[n++] = GL_PALETTE8_RGB8_OES;
-      formats[n++] = GL_PALETTE8_RGBA8_OES;
-      formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
-      formats[n++] = GL_PALETTE8_RGBA4_OES;
-      formats[n++] = GL_PALETTE8_RGB5_A1_OES;
-   }
-   else {
-      n += 10;
+#if FEATURE_ES1
+   if (ctx->API == API_OPENGLES) {
+      if (formats) {
+	 formats[n++] = GL_PALETTE4_RGB8_OES;
+	 formats[n++] = GL_PALETTE4_RGBA8_OES;
+	 formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
+	 formats[n++] = GL_PALETTE4_RGBA4_OES;
+	 formats[n++] = GL_PALETTE4_RGB5_A1_OES;
+	 formats[n++] = GL_PALETTE8_RGB8_OES;
+	 formats[n++] = GL_PALETTE8_RGBA8_OES;
+	 formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
+	 formats[n++] = GL_PALETTE8_RGBA4_OES;
+	 formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+      }
+      else {
+	 n += 10;
+      }
    }
 #endif
 
diff --git a/mesalib/src/mesa/main/texcompress_fxt1.c b/mesalib/src/mesa/main/texcompress_fxt1.c
index a75487ce2..0437cfcc1 100644
--- a/mesalib/src/mesa/main/texcompress_fxt1.c
+++ b/mesalib/src/mesa/main/texcompress_fxt1.c
@@ -52,7 +52,7 @@ fxt1_encode (GLuint width, GLuint height, GLint comps,
 
 void
 fxt1_decode_1 (const void *texture, GLint stride,
-               GLint i, GLint j, GLchan *rgba);
+               GLint i, GLint j, GLubyte *rgba);
 
 
 /**
@@ -61,11 +61,11 @@ fxt1_decode_1 (const void *texture, GLint stride,
 GLboolean
 _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLint srcRowStride;
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1);
    ASSERT(dstXoffset % 8 == 0);
@@ -75,11 +75,11 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGB ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGB/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGB/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                              _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -92,9 +92,9 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
       srcFormat = GL_RGB;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
       srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
-                                            srcType) / sizeof(GLchan);
+                                            srcType) / sizeof(GLubyte);
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -117,11 +117,11 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
 GLboolean
 _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLint srcRowStride;
    GLubyte *dst;
    GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1);
    ASSERT(dstXoffset % 8 == 0);
@@ -131,11 +131,11 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGBA ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGBA/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGBA/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                              _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -148,9 +148,9 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
       srcFormat = GL_RGBA;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
       srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
-                                            srcType) / sizeof(GLchan);
+                                            srcType) / sizeof(GLubyte);
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -171,14 +171,14 @@ void
 _mesa_fetch_texel_2d_f_rgba_fxt1( const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel )
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    (void) k;
    fxt1_decode_1(texImage->Base.Data, texImage->Base.RowStride, i, j, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 
@@ -186,13 +186,13 @@ void
 _mesa_fetch_texel_2d_f_rgb_fxt1( const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel )
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    (void) k;
    fxt1_decode_1(texImage->Base.Data, texImage->Base.RowStride, i, j, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
    texel[ACOMP] = 1.0F;
 }
 
@@ -1289,6 +1289,41 @@ fxt1_quantize (GLuint *cc, const GLubyte *lines[], GLint comps)
 }
 
 
+
+/**
+ * Upscale an image by replication, not (typical) stretching.
+ * We use this when the image width or height is less than a
+ * certain size (4, 8) and we need to upscale an image.
+ */
+static void
+upscale_teximage2d(GLsizei inWidth, GLsizei inHeight,
+                   GLsizei outWidth, GLsizei outHeight,
+                   GLint comps, const GLubyte *src, GLint srcRowStride,
+                   GLubyte *dest )
+{
+   GLint i, j, k;
+
+   ASSERT(outWidth >= inWidth);
+   ASSERT(outHeight >= inHeight);
+#if 0
+   ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2);
+   ASSERT((outWidth & 3) == 0);
+   ASSERT((outHeight & 3) == 0);
+#endif
+
+   for (i = 0; i < outHeight; i++) {
+      const GLint ii = i % inHeight;
+      for (j = 0; j < outWidth; j++) {
+         const GLint jj = j % inWidth;
+         for (k = 0; k < comps; k++) {
+            dest[(i * outWidth + j) * comps + k]
+               = src[ii * srcRowStride + jj * comps + k];
+         }
+      }
+   }
+}
+
+
 static void
 fxt1_encode (GLuint width, GLuint height, GLint comps,
              const void *source, GLint srcRowStride,
@@ -1305,42 +1340,21 @@ fxt1_encode (GLuint width, GLuint height, GLint comps,
    if ((width & 7) | (height & 3)) {
       GLint newWidth = (width + 7) & ~7;
       GLint newHeight = (height + 3) & ~3;
-      newSource = malloc(comps * newWidth * newHeight * sizeof(GLchan));
+      newSource = malloc(comps * newWidth * newHeight * sizeof(GLubyte));
       if (!newSource) {
          GET_CURRENT_CONTEXT(ctx);
          _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
          goto cleanUp;
       }
-      _mesa_upscale_teximage2d(width, height, newWidth, newHeight,
-                               comps, (const GLchan *) source,
-                               srcRowStride, (GLchan *) newSource);
+      upscale_teximage2d(width, height, newWidth, newHeight,
+                         comps, (const GLubyte *) source,
+                         srcRowStride, (GLubyte *) newSource);
       source = newSource;
       width = newWidth;
       height = newHeight;
       srcRowStride = comps * newWidth;
    }
 
-   /* convert from 16/32-bit channels to GLubyte if needed */
-   if (CHAN_TYPE != GL_UNSIGNED_BYTE) {
-      const GLuint n = width * height * comps;
-      const GLchan *src = (const GLchan *) source;
-      GLubyte *dest = (GLubyte *) malloc(n * sizeof(GLubyte));
-      GLuint i;
-      if (!dest) {
-         GET_CURRENT_CONTEXT(ctx);
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
-         goto cleanUp;
-      }
-      for (i = 0; i < n; i++) {
-         dest[i] = CHAN_TO_UBYTE(src[i]);
-      }
-      if (newSource != NULL) {
-         free(newSource);
-      }
-      newSource = dest;  /* we'll free this buffer before returning */
-      source = dest;  /* the new, GLubyte incoming image */
-   }
-
    data = (const GLubyte *) source;
    destRowStride = (destRowStride - width * 2) / 4;
    for (y = 0; y < height; y += 4) {
@@ -1402,7 +1416,7 @@ static const GLubyte _rgb_scale_6[] = {
 
 
 static void
-fxt1_decode_1HI (const GLubyte *code, GLint t, GLchan *rgba)
+fxt1_decode_1HI (const GLubyte *code, GLint t, GLubyte *rgba)
 {
    const GLuint *cc;
 
@@ -1428,16 +1442,16 @@ fxt1_decode_1HI (const GLubyte *code, GLint t, GLchan *rgba)
          g = LERP(6, t, UP5(CC_SEL(cc, 5)), UP5(CC_SEL(cc, 20)));
          r = LERP(6, t, UP5(CC_SEL(cc, 10)), UP5(CC_SEL(cc, 25)));
       }
-      rgba[RCOMP] = UBYTE_TO_CHAN(r);
-      rgba[GCOMP] = UBYTE_TO_CHAN(g);
-      rgba[BCOMP] = UBYTE_TO_CHAN(b);
-      rgba[ACOMP] = CHAN_MAX;
+      rgba[RCOMP] = r;
+      rgba[GCOMP] = g;
+      rgba[BCOMP] = b;
+      rgba[ACOMP] = 255;
    }
 }
 
 
 static void
-fxt1_decode_1CHROMA (const GLubyte *code, GLint t, GLchan *rgba)
+fxt1_decode_1CHROMA (const GLubyte *code, GLint t, GLubyte *rgba)
 {
    const GLuint *cc;
    GLuint kk;
@@ -1452,15 +1466,15 @@ fxt1_decode_1CHROMA (const GLubyte *code, GLint t, GLchan *rgba)
    t *= 15;
    cc = (const GLuint *)(code + 8 + t / 8);
    kk = cc[0] >> (t & 7);
-   rgba[BCOMP] = UBYTE_TO_CHAN( UP5(kk) );
-   rgba[GCOMP] = UBYTE_TO_CHAN( UP5(kk >> 5) );
-   rgba[RCOMP] = UBYTE_TO_CHAN( UP5(kk >> 10) );
-   rgba[ACOMP] = CHAN_MAX;
+   rgba[BCOMP] = UP5(kk);
+   rgba[GCOMP] = UP5(kk >> 5);
+   rgba[RCOMP] = UP5(kk >> 10);
+   rgba[ACOMP] = 255;
 }
 
 
 static void
-fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLchan *rgba)
+fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLubyte *rgba)
 {
    const GLuint *cc;
    GLuint col[2][3];
@@ -1515,10 +1529,10 @@ fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLchan *rgba)
             g = (UP5(col[0][GCOMP]) + UP6(col[1][GCOMP], glsb)) / 2;
             r = (UP5(col[0][RCOMP]) + UP5(col[1][RCOMP])) / 2;
          }
-         rgba[RCOMP] = UBYTE_TO_CHAN(r);
-         rgba[GCOMP] = UBYTE_TO_CHAN(g);
-         rgba[BCOMP] = UBYTE_TO_CHAN(b);
-         rgba[ACOMP] = CHAN_MAX;
+         rgba[RCOMP] = r;
+         rgba[GCOMP] = g;
+         rgba[BCOMP] = b;
+         rgba[ACOMP] = 255;
       }
    } else {
       /* alpha[0] == 0 */
@@ -1537,16 +1551,16 @@ fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLchan *rgba)
                         UP6(col[1][GCOMP], glsb));
          r = LERP(3, t, UP5(col[0][RCOMP]), UP5(col[1][RCOMP]));
       }
-      rgba[RCOMP] = UBYTE_TO_CHAN(r);
-      rgba[GCOMP] = UBYTE_TO_CHAN(g);
-      rgba[BCOMP] = UBYTE_TO_CHAN(b);
-      rgba[ACOMP] = CHAN_MAX;
+      rgba[RCOMP] = r;
+      rgba[GCOMP] = g;
+      rgba[BCOMP] = b;
+      rgba[ACOMP] = 255;
    }
 }
 
 
 static void
-fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLchan *rgba)
+fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLubyte *rgba)
 {
    const GLuint *cc;
    GLubyte r, g, b, a;
@@ -1613,18 +1627,18 @@ fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLchan *rgba)
          r = UP5(kk >> 10);
       }
    }
-   rgba[RCOMP] = UBYTE_TO_CHAN(r);
-   rgba[GCOMP] = UBYTE_TO_CHAN(g);
-   rgba[BCOMP] = UBYTE_TO_CHAN(b);
-   rgba[ACOMP] = UBYTE_TO_CHAN(a);
+   rgba[RCOMP] = r;
+   rgba[GCOMP] = g;
+   rgba[BCOMP] = b;
+   rgba[ACOMP] = a;
 }
 
 
 void
 fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */
-               GLint i, GLint j, GLchan *rgba)
+               GLint i, GLint j, GLubyte *rgba)
 {
-   static void (*decode_1[]) (const GLubyte *, GLint, GLchan *) = {
+   static void (*decode_1[]) (const GLubyte *, GLint, GLubyte *) = {
       fxt1_decode_1HI,     /* cc-high   = "00?" */
       fxt1_decode_1HI,     /* cc-high   = "00?" */
       fxt1_decode_1CHROMA, /* cc-chroma = "010" */
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.c b/mesalib/src/mesa/main/texcompress_rgtc.c
index 7af3d6762..398f61290 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.c
+++ b/mesalib/src/mesa/main/texcompress_rgtc.c
@@ -48,9 +48,9 @@
 
 #define RGTC_DEBUG 0
 
-static void unsigned_encode_rgtc_chan(GLubyte *blkaddr, GLubyte srccolors[4][4],
+static void unsigned_encode_rgtc_ubyte(GLubyte *blkaddr, GLubyte srccolors[4][4],
 					GLint numxpixels, GLint numypixels);
-static void signed_encode_rgtc_chan(GLbyte *blkaddr, GLbyte srccolors[4][4],
+static void signed_encode_rgtc_ubyte(GLbyte *blkaddr, GLbyte srccolors[4][4],
 			     GLint numxpixels, GLint numypixels);
 
 static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixdata,
@@ -59,15 +59,15 @@ static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixd
 static void signed_fetch_texel_rgtc(unsigned srcRowStride, const GLbyte *pixdata,
 				      unsigned i, unsigned j, GLbyte *value, unsigned comps);
 
-static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
+static void extractsrc_u( GLubyte srcpixels[4][4], const GLubyte *srcaddr,
 			  GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
 {
    GLubyte i, j;
-   const GLchan *curaddr;
+   const GLubyte *curaddr;
    for (j = 0; j < numypixels; j++) {
       curaddr = srcaddr + j * srcRowStride * comps;
       for (i = 0; i < numxpixels; i++) {
-	 srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
+	 srcpixels[j][i] = *curaddr;
 	 curaddr += comps;
       }
    }
@@ -93,10 +93,10 @@ _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
 {
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
-   const GLchan *srcaddr;
+   const GLubyte *srcaddr;
    GLubyte srcpixels[4][4];
    GLubyte *blkaddr;
    GLint dstRowDiff;
@@ -109,7 +109,7 @@ _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
 
-   tempImage = _mesa_make_temp_chan_image(ctx, dims,
+   tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
 					  baseInternalFormat,
 					  _mesa_get_format_base_format(dstFormat),
 					  srcWidth, srcHeight, srcDepth,
@@ -132,7 +132,7 @@ _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
 	 if (srcWidth > i + 3) numxpixels = 4;
 	 else numxpixels = srcWidth - i;
 	 extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
-	 unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 unsigned_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 	 srcaddr += numxpixels;
 	 blkaddr += 8;
       }
@@ -187,7 +187,7 @@ _mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
 	 if (srcWidth > i + 3) numxpixels = 4;
 	 else numxpixels = srcWidth - i;
 	 extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
-	 signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 signed_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 	 srcaddr += numxpixels;
 	 blkaddr += 8;
       }
@@ -204,10 +204,10 @@ _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
 {
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
-   const GLchan *srcaddr;
+   const GLubyte *srcaddr;
    GLubyte srcpixels[4][4];
    GLubyte *blkaddr;
    GLint dstRowDiff;
@@ -220,7 +220,7 @@ _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
    (void) dstZoffset;
    (void) dstImageOffsets;
 
-   tempImage = _mesa_make_temp_chan_image(ctx, dims,
+   tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
 					  baseInternalFormat,
 					  _mesa_get_format_base_format(dstFormat),
 					  srcWidth, srcHeight, srcDepth,
@@ -243,11 +243,11 @@ _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
 	 if (srcWidth > i + 3) numxpixels = 4;
 	 else numxpixels = srcWidth - i;
 	 extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
-	 unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 unsigned_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 
 	 blkaddr += 8;
-	 extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
-	 unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 extractsrc_u(srcpixels, (GLubyte *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+	 unsigned_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 
 	 blkaddr += 8;
 
@@ -306,11 +306,11 @@ _mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
 	 else numxpixels = srcWidth - i;
 
 	 extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
-	 signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 signed_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 	 blkaddr += 8;
 
 	 extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
-	 signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+	 signed_encode_rgtc_ubyte(blkaddr, srcpixels, numxpixels, numypixels);
 	 blkaddr += 8;
 
 	 srcaddr += numxpixels * 2;
diff --git a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
index 48bbd374e..277d69b17 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
+++ b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
@@ -73,7 +73,7 @@ static void TAG(write_rgtc_encoded_channel)(TYPE *blkaddr,
    *blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
 }
 
-static void TAG(encode_rgtc_chan)(TYPE *blkaddr, TYPE srccolors[4][4],
+static void TAG(encode_rgtc_ubyte)(TYPE *blkaddr, TYPE srccolors[4][4],
 			     int numxpixels, int numypixels)
 {
    TYPE alphabase[2], alphause[2];
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index 36a56447e..04c5b4476 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -97,7 +97,7 @@ dxtFetchTexelFuncExt fetch_ext_rgba_dxt3 = NULL;
 dxtFetchTexelFuncExt fetch_ext_rgba_dxt5 = NULL;
 
 typedef void (*dxtCompressTexFuncExt)(GLint srccomps, GLint width,
-                                      GLint height, const GLchan *srcPixData,
+                                      GLint height, const GLubyte *srcPixData,
                                       GLenum destformat, GLubyte *dest,
                                       GLint dstRowStride);
 
@@ -163,10 +163,10 @@ _mesa_init_texture_s3tc( struct gl_context *ctx )
 GLboolean
 _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGB_DXT1 ||
           dstFormat == MESA_FORMAT_SRGB_DXT1);
@@ -177,11 +177,11 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGB ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGB/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGB/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                              _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -193,7 +193,7 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
       srcFormat = GL_RGB;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -222,10 +222,10 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
 GLboolean
 _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT1 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT1);
@@ -236,11 +236,11 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGBA ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGBA/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGBA/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                              _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -252,7 +252,7 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
       srcFormat = GL_RGBA;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -280,10 +280,10 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
 GLboolean
 _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT3 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT3);
@@ -294,11 +294,11 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGBA ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGBA/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGBA/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                              _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -309,7 +309,7 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
       pixels = tempImage;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -337,10 +337,10 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
 GLboolean
 _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
 {
-   const GLchan *pixels;
+   const GLubyte *pixels;
    GLubyte *dst;
    const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
-   const GLchan *tempImage = NULL;
+   const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT5 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT5);
@@ -351,11 +351,11 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
    (void) dstImageOffsets;
 
    if (srcFormat != GL_RGBA ||
-       srcType != CHAN_TYPE ||
+       srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
        srcPacking->SwapBytes) {
-      /* convert image to RGBA/GLchan */
-      tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      /* convert image to RGBA/GLubyte */
+      tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                              baseInternalFormat,
                                    	     _mesa_get_format_base_format(dstFormat),
                                              srcWidth, srcHeight, srcDepth,
@@ -366,7 +366,7 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
       pixels = tempImage;
    }
    else {
-      pixels = (const GLchan *) srcAddr;
+      pixels = (const GLubyte *) srcAddr;
    }
 
    dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
@@ -390,11 +390,10 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
 
 static void
 fetch_texel_2d_rgb_dxt1( const struct swrast_texture_image *texImage,
-                         GLint i, GLint j, GLint k, GLchan *texel )
+                         GLint i, GLint j, GLint k, GLubyte *texel )
 {
    (void) k;
    if (fetch_ext_rgb_dxt1) {
-      ASSERT (sizeof(GLchan) == sizeof(GLubyte));
       fetch_ext_rgb_dxt1(texImage->Base.RowStride,
                          (GLubyte *)(texImage)->Base.Data, i, j, texel);
    }
@@ -407,19 +406,19 @@ void
 _mesa_fetch_texel_2d_f_rgb_dxt1(const struct swrast_texture_image *texImage,
                                 GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 
 static void
 fetch_texel_2d_rgba_dxt1( const struct swrast_texture_image *texImage,
-                          GLint i, GLint j, GLint k, GLchan *texel )
+                          GLint i, GLint j, GLint k, GLubyte *texel )
 {
    (void) k;
    if (fetch_ext_rgba_dxt1) {
@@ -435,23 +434,22 @@ void
 _mesa_fetch_texel_2d_f_rgba_dxt1(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 
 static void
 fetch_texel_2d_rgba_dxt3( const struct swrast_texture_image *texImage,
-                          GLint i, GLint j, GLint k, GLchan *texel )
+                          GLint i, GLint j, GLint k, GLubyte *texel )
 {
    (void) k;
    if (fetch_ext_rgba_dxt3) {
-      ASSERT (sizeof(GLchan) == sizeof(GLubyte));
       fetch_ext_rgba_dxt3(texImage->Base.RowStride,
                           (GLubyte *)(texImage)->Base.Data,
                           i, j, texel);
@@ -465,19 +463,19 @@ void
 _mesa_fetch_texel_2d_f_rgba_dxt3(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 
 static void
 fetch_texel_2d_rgba_dxt5( const struct swrast_texture_image *texImage,
-                          GLint i, GLint j, GLint k, GLchan *texel )
+                          GLint i, GLint j, GLint k, GLubyte *texel )
 {
    (void) k;
    if (fetch_ext_rgba_dxt5) {
@@ -494,13 +492,13 @@ void
 _mesa_fetch_texel_2d_f_rgba_dxt5(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba);
-   texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
-   texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
-   texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 #if FEATURE_EXT_texture_sRGB
@@ -508,52 +506,52 @@ void
 _mesa_fetch_texel_2d_f_srgb_dxt1( const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel )
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba);
    texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
    texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
    texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 void
 _mesa_fetch_texel_2d_f_srgba_dxt1(const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba);
    texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
    texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
    texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 void
 _mesa_fetch_texel_2d_f_srgba_dxt3(const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba);
    texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
    texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
    texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
 void
 _mesa_fetch_texel_2d_f_srgba_dxt5(const struct swrast_texture_image *texImage,
                                   GLint i, GLint j, GLint k, GLfloat *texel)
 {
-   /* just sample as GLchan and convert to float here */
-   GLchan rgba[4];
+   /* just sample as GLubyte and convert to float here */
+   GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba);
    texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
    texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
    texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
-   texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 #endif /* FEATURE_EXT_texture_sRGB */
 
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index b958615b5..cbed26cd4 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -531,7 +531,7 @@ make_temp_uint_image(struct gl_context *ctx, GLuint dims,
 
 
 /**
- * Make a temporary (color) texture image with GLchan components.
+ * Make a temporary (color) texture image with GLubyte components.
  * Apply all needed pixel unpacking and pixel transfer operations.
  * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
  * Suppose the user specifies GL_LUMINANCE as the internal texture format
@@ -551,21 +551,21 @@ make_temp_uint_image(struct gl_context *ctx, GLuint dims,
  * \param srcType  source image type
  * \param srcAddr  source image address
  * \param srcPacking  source image pixel packing
- * \return resulting image with format = textureBaseFormat and type = GLchan.
+ * \return resulting image with format = textureBaseFormat and type = GLubyte.
  */
-GLchan *
-_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
-                           GLenum logicalBaseFormat,
-                           GLenum textureBaseFormat,
-                           GLint srcWidth, GLint srcHeight, GLint srcDepth,
-                           GLenum srcFormat, GLenum srcType,
-                           const GLvoid *srcAddr,
-                           const struct gl_pixelstore_attrib *srcPacking)
+GLubyte *
+_mesa_make_temp_ubyte_image(struct gl_context *ctx, GLuint dims,
+                            GLenum logicalBaseFormat,
+                            GLenum textureBaseFormat,
+                            GLint srcWidth, GLint srcHeight, GLint srcDepth,
+                            GLenum srcFormat, GLenum srcType,
+                            const GLvoid *srcAddr,
+                            const struct gl_pixelstore_attrib *srcPacking)
 {
    GLuint transferOps = ctx->_ImageTransferState;
    const GLint components = _mesa_components_in_format(logicalBaseFormat);
    GLint img, row;
-   GLchan *tempImage, *dst;
+   GLubyte *tempImage, *dst;
 
    ASSERT(dims >= 1 && dims <= 3);
 
@@ -588,8 +588,8 @@ _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
           textureBaseFormat == GL_INTENSITY);
 
    /* unpack and transfer the source image */
-   tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
-                                       * components * sizeof(GLchan));
+   tempImage = (GLubyte *) malloc(srcWidth * srcHeight * srcDepth
+                                       * components * sizeof(GLubyte));
    if (!tempImage) {
       return NULL;
    }
@@ -604,9 +604,9 @@ _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
                                                srcFormat, srcType,
                                                img, 0, 0);
       for (row = 0; row < srcHeight; row++) {
-         _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,
-                                      srcFormat, srcType, src, srcPacking,
-                                      transferOps);
+         _mesa_unpack_color_span_ubyte(ctx, srcWidth, logicalBaseFormat, dst,
+                                       srcFormat, srcType, src, srcPacking,
+                                       transferOps);
          dst += srcWidth * components;
          src += srcStride;
       }
@@ -616,7 +616,7 @@ _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
       /* one more conversion step */
       GLint texComponents = _mesa_components_in_format(textureBaseFormat);
       GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
-      GLchan *newImage;
+      GLubyte *newImage;
       GLint i, n;
       GLubyte map[6];
 
@@ -629,8 +629,8 @@ _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
        */
       ASSERT(texComponents >= logComponents);
 
-      newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
-                                         * texComponents * sizeof(GLchan));
+      newImage = (GLubyte *) malloc(srcWidth * srcHeight * srcDepth
+                                         * texComponents * sizeof(GLubyte));
       if (!newImage) {
          free(tempImage);
          return NULL;
@@ -646,7 +646,7 @@ _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
             if (j == ZERO)
                newImage[i * texComponents + k] = 0;
             else if (j == ONE)
-               newImage[i * texComponents + k] = CHAN_MAX;
+               newImage[i * texComponents + k] = 255;
             else
                newImage[i * texComponents + k] = tempImage[i * logComponents + j];
          }
@@ -1235,13 +1235,13 @@ _mesa_texstore_rgb565(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1255,17 +1255,17 @@ _mesa_texstore_rgb565(TEXSTORE_PARAMS)
             /* check for byteswapped format */
             if (dstFormat == MESA_FORMAT_RGB565) {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),
-                                               CHAN_TO_UBYTE(src[GCOMP]),
-                                               CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_565( src[RCOMP],
+                                               src[GCOMP],
+                                               src[BCOMP] );
                   src += 3;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]),
-                                                   CHAN_TO_UBYTE(src[GCOMP]),
-                                                   CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_565_REV( src[RCOMP],
+                                                   src[GCOMP],
+                                                   src[BCOMP] );
                   src += 3;
                }
             }
@@ -1361,13 +1361,13 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1380,19 +1380,19 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
             GLuint *dstUI = (GLuint *) dstRow;
             if (dstFormat == MESA_FORMAT_RGBA8888) {
                for (col = 0; col < srcWidth; col++) {
-                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),
-                                                CHAN_TO_UBYTE(src[GCOMP]),
-                                                CHAN_TO_UBYTE(src[BCOMP]),
-                                                CHAN_TO_UBYTE(src[ACOMP]) );
+                  dstUI[col] = PACK_COLOR_8888( src[RCOMP],
+                                                src[GCOMP],
+                                                src[BCOMP],
+                                                src[ACOMP] );
                   src += 4;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
-                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]),
-                                                    CHAN_TO_UBYTE(src[GCOMP]),
-                                                    CHAN_TO_UBYTE(src[BCOMP]),
-                                                    CHAN_TO_UBYTE(src[ACOMP]) );
+                  dstUI[col] = PACK_COLOR_8888_REV( src[RCOMP],
+                                                    src[GCOMP],
+                                                    src[BCOMP],
+                                                    src[ACOMP] );
                   src += 4;
                }
             }
@@ -1561,13 +1561,13 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1580,28 +1580,28 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
             GLuint *dstUI = (GLuint *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB8888) {
                for (col = 0; col < srcWidth; col++) {
-                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),
-                                                CHAN_TO_UBYTE(src[RCOMP]),
-                                                CHAN_TO_UBYTE(src[GCOMP]),
-                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUI[col] = PACK_COLOR_8888( src[ACOMP],
+                                                src[RCOMP],
+                                                src[GCOMP],
+                                                src[BCOMP] );
                   src += 4;
                }
             }
             else if (dstFormat == MESA_FORMAT_XRGB8888) {
                for (col = 0; col < srcWidth; col++) {
                   dstUI[col] = PACK_COLOR_8888( 0xff,
-                                                CHAN_TO_UBYTE(src[RCOMP]),
-                                                CHAN_TO_UBYTE(src[GCOMP]),
-                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                                                src[RCOMP],
+                                                src[GCOMP],
+                                                src[BCOMP] );
                   src += 4;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
-                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
-                                                    CHAN_TO_UBYTE(src[RCOMP]),
-                                                    CHAN_TO_UBYTE(src[GCOMP]),
-                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUI[col] = PACK_COLOR_8888_REV( src[ACOMP],
+                                                    src[RCOMP],
+                                                    src[GCOMP],
+                                                    src[BCOMP] );
                   src += 4;
                }
             }
@@ -1690,13 +1690,13 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = (const GLchan *) tempImage;
+      const GLubyte *src = (const GLubyte *) tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1709,9 +1709,9 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
 #if 0
             if (littleEndian) {
                for (col = 0; col < srcWidth; col++) {
-                  dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
-                  dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
-                  dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
+                  dstRow[col * 3 + 0] = src[RCOMP];
+                  dstRow[col * 3 + 1] = src[GCOMP];
+                  dstRow[col * 3 + 2] = src[BCOMP];
                   srcUB += 3;
                }
             }
@@ -1725,9 +1725,9 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
             }
 #else
             for (col = 0; col < srcWidth; col++) {
-               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]);
-               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
-               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]);
+               dstRow[col * 3 + 0] = src[BCOMP];
+               dstRow[col * 3 + 1] = src[GCOMP];
+               dstRow[col * 3 + 2] = src[RCOMP];
                src += 3;
             }
 #endif
@@ -1816,13 +1816,13 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
    }   
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = (const GLchan *) tempImage;
+      const GLubyte *src = (const GLubyte *) tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1833,9 +1833,9 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
             + dstXoffset * texelBytes;
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
-               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
-               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
-               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
+               dstRow[col * 3 + 0] = src[RCOMP];
+               dstRow[col * 3 + 1] = src[GCOMP];
+               dstRow[col * 3 + 2] = src[BCOMP];
                src += 3;
             }
             dstRow += dstRowStride;
@@ -1873,13 +1873,13 @@ _mesa_texstore_argb4444(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1892,19 +1892,19 @@ _mesa_texstore_argb4444(TEXSTORE_PARAMS)
             GLushort *dstUS = (GLushort *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB4444) {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),
-                                                CHAN_TO_UBYTE(src[RCOMP]),
-                                                CHAN_TO_UBYTE(src[GCOMP]),
-                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_4444( src[ACOMP],
+                                                src[RCOMP],
+                                                src[GCOMP],
+                                                src[BCOMP] );
                   src += 4;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]),
-                                                    CHAN_TO_UBYTE(src[RCOMP]),
-                                                    CHAN_TO_UBYTE(src[GCOMP]),
-                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_4444_REV( src[ACOMP],
+                                                    src[RCOMP],
+                                                    src[GCOMP],
+                                                    src[BCOMP] );
                   src += 4;
                }
             }
@@ -1941,13 +1941,13 @@ _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src =tempImage;
+      const GLubyte *src =tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -1959,10 +1959,10 @@ _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
 	    for (col = 0; col < srcWidth; col++) {
-	       dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),
-					     CHAN_TO_UBYTE(src[GCOMP]),
-					     CHAN_TO_UBYTE(src[BCOMP]),
-					     CHAN_TO_UBYTE(src[ACOMP]) );
+	       dstUS[col] = PACK_COLOR_5551( src[RCOMP],
+					     src[GCOMP],
+					     src[BCOMP],
+					     src[ACOMP] );
 	      src += 4;
 	    }
             dstRow += dstRowStride;
@@ -1999,13 +1999,13 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src =tempImage;
+      const GLubyte *src =tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -2018,19 +2018,19 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
             GLushort *dstUS = (GLushort *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB1555) {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),
-                                                CHAN_TO_UBYTE(src[RCOMP]),
-                                                CHAN_TO_UBYTE(src[GCOMP]),
-                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_1555( src[ACOMP],
+                                                src[RCOMP],
+                                                src[GCOMP],
+                                                src[BCOMP] );
                   src += 4;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
-                  dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]),
-                                                    CHAN_TO_UBYTE(src[RCOMP]),
-                                                    CHAN_TO_UBYTE(src[GCOMP]),
-                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  dstUS[col] = PACK_COLOR_1555_REV( src[ACOMP],
+                                                    src[RCOMP],
+                                                    src[GCOMP],
+                                                    src[BCOMP] );
                   src += 4;
                }
             }
@@ -2137,13 +2137,13 @@ _mesa_texstore_unorm44(TEXSTORE_PARAMS)
 
    {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -2156,8 +2156,8 @@ _mesa_texstore_unorm44(TEXSTORE_PARAMS)
             GLubyte *dstUS = (GLubyte *) dstRow;
             for (col = 0; col < srcWidth; col++) {
                /* src[0] is luminance, src[1] is alpha */
-               dstUS[col] = PACK_COLOR_44( CHAN_TO_UBYTE(src[1]),
-                                           CHAN_TO_UBYTE(src[0]) );
+               dstUS[col] = PACK_COLOR_44( src[1],
+                                           src[0] );
                src += 2;
             }
             dstRow += dstRowStride;
@@ -2248,13 +2248,13 @@ _mesa_texstore_unorm88(TEXSTORE_PARAMS)
    }   
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -2269,16 +2269,16 @@ _mesa_texstore_unorm88(TEXSTORE_PARAMS)
 		dstFormat == MESA_FORMAT_RG88) {
                for (col = 0; col < srcWidth; col++) {
                   /* src[0] is luminance, src[1] is alpha */
-                 dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
-                                             CHAN_TO_UBYTE(src[0]) );
+                 dstUS[col] = PACK_COLOR_88( src[1],
+                                             src[0] );
                  src += 2;
                }
             }
             else {
                for (col = 0; col < srcWidth; col++) {
                   /* src[0] is luminance, src[1] is alpha */
-                 dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]),
-                                                 CHAN_TO_UBYTE(src[0]) );
+                 dstUS[col] = PACK_COLOR_88_REV( src[1],
+                                                 src[0] );
                  src += 2;
                }
             }
@@ -2604,13 +2604,13 @@ _mesa_texstore_rgb332(TEXSTORE_PARAMS)
    }
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -2621,9 +2621,9 @@ _mesa_texstore_rgb332(TEXSTORE_PARAMS)
             + dstXoffset * texelBytes;
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
-               dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),
-                                             CHAN_TO_UBYTE(src[GCOMP]),
-                                             CHAN_TO_UBYTE(src[BCOMP]) );
+               dstRow[col] = PACK_COLOR_332( src[RCOMP],
+                                             src[GCOMP],
+                                             src[BCOMP] );
                src += 3;
             }
             dstRow += dstRowStride;
@@ -2692,13 +2692,13 @@ _mesa_texstore_unorm8(TEXSTORE_PARAMS)
    }   
    else {
       /* general path */
-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+      const GLubyte *tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
                                                  baseInternalFormat,
                                                  baseFormat,
                                                  srcWidth, srcHeight, srcDepth,
                                                  srcFormat, srcType, srcAddr,
                                                  srcPacking);
-      const GLchan *src = tempImage;
+      const GLubyte *src = tempImage;
       GLint img, row, col;
       if (!tempImage)
          return GL_FALSE;
@@ -2709,7 +2709,7 @@ _mesa_texstore_unorm8(TEXSTORE_PARAMS)
             + dstXoffset * texelBytes;
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
-               dstRow[col] = CHAN_TO_UBYTE(src[col]);
+               dstRow[col] = src[col];
             }
             dstRow += dstRowStride;
             src += srcWidth;
diff --git a/mesalib/src/mesa/main/texstore.h b/mesalib/src/mesa/main/texstore.h
index d56318709..24a254ac4 100644
--- a/mesalib/src/mesa/main/texstore.h
+++ b/mesalib/src/mesa/main/texstore.h
@@ -72,8 +72,8 @@ extern GLboolean
 _mesa_texstore(TEXSTORE_PARAMS);
 
 
-extern GLchan *
-_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
+extern GLubyte *
+_mesa_make_temp_ubyte_image(struct gl_context *ctx, GLuint dims,
                            GLenum logicalBaseFormat,
                            GLenum textureBaseFormat,
                            GLint srcWidth, GLint srcHeight, GLint srcDepth,