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authormarha <marha@users.sourceforge.net>2011-07-26 08:58:05 +0200
committermarha <marha@users.sourceforge.net>2011-07-26 08:58:05 +0200
commitece07bdeaa82ea59e74bcfc588bcabe5e47567c1 (patch)
tree661e19ae13980e19f6fe827be5322ca9e0f8e4d8 /mesalib/src/mesa
parent91e91b72f07f4e61db17ee86c6933a7217f0e25c (diff)
downloadvcxsrv-ece07bdeaa82ea59e74bcfc588bcabe5e47567c1.tar.gz
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libX11 libXext mesa pixman xserver xkeyboard-config git update 26 July 2011
Diffstat (limited to 'mesalib/src/mesa')
-rw-r--r--mesalib/src/mesa/drivers/common/meta.c14
-rw-r--r--mesalib/src/mesa/main/compiler.h42
-rw-r--r--mesalib/src/mesa/main/get.c4
-rw-r--r--mesalib/src/mesa/main/texcompress.c205
-rw-r--r--mesalib/src/mesa/main/texcompress.h121
-rw-r--r--mesalib/src/mesa/main/texparam.c20
-rw-r--r--mesalib/src/mesa/program/ir_to_mesa.cpp20
-rw-r--r--mesalib/src/mesa/program/prog_optimize.c9
8 files changed, 319 insertions, 116 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index fa78674e4..26c895196 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -90,13 +90,14 @@
#define META_SCISSOR 0x100
#define META_SHADER 0x200
#define META_STENCIL_TEST 0x400
-#define META_TRANSFORM 0x800 /**< modelview, projection, clip planes */
+#define META_TRANSFORM 0x800 /**< modelview/projection matrix state */
#define META_TEXTURE 0x1000
#define META_VERTEX 0x2000
#define META_VIEWPORT 0x4000
#define META_CLAMP_FRAGMENT_COLOR 0x8000
#define META_CLAMP_VERTEX_COLOR 0x10000
#define META_CONDITIONAL_RENDER 0x20000
+#define META_CLIP 0x40000
/*@}*/
@@ -165,6 +166,8 @@ struct save_state
GLfloat ModelviewMatrix[16];
GLfloat ProjectionMatrix[16];
GLfloat TextureMatrix[16];
+
+ /** META_CLIP */
GLbitfield ClipPlanesEnabled;
/** META_TEXTURE */
@@ -547,6 +550,9 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
_mesa_Ortho(0.0, ctx->DrawBuffer->Width,
0.0, ctx->DrawBuffer->Height,
-1.0, 1.0);
+ }
+
+ if (state & META_CLIP) {
save->ClipPlanesEnabled = ctx->Transform.ClipPlanesEnabled;
if (ctx->Transform.ClipPlanesEnabled) {
GLuint i;
@@ -846,7 +852,9 @@ _mesa_meta_end(struct gl_context *ctx)
_mesa_LoadMatrixf(save->ProjectionMatrix);
_mesa_MatrixMode(save->MatrixMode);
+ }
+ if (state & META_CLIP) {
if (save->ClipPlanesEnabled) {
GLuint i;
for (i = 0; i < ctx->Const.MaxClipPlanes; i++) {
@@ -1669,6 +1677,7 @@ _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers)
META_STENCIL_TEST |
META_VERTEX |
META_VIEWPORT |
+ META_CLIP |
META_CLAMP_FRAGMENT_COLOR);
if (!(buffers & BUFFER_BITS_COLOR)) {
@@ -1783,6 +1792,7 @@ _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcX, GLint srcY,
META_SHADER |
META_TEXTURE |
META_TRANSFORM |
+ META_CLIP |
META_VERTEX |
META_VIEWPORT));
@@ -2104,6 +2114,7 @@ _mesa_meta_DrawPixels(struct gl_context *ctx,
META_SHADER |
META_TEXTURE |
META_TRANSFORM |
+ META_CLIP |
META_VERTEX |
META_VIEWPORT |
META_CLAMP_FRAGMENT_COLOR |
@@ -2313,6 +2324,7 @@ _mesa_meta_Bitmap(struct gl_context *ctx,
META_SHADER |
META_TEXTURE |
META_TRANSFORM |
+ META_CLIP |
META_VERTEX |
META_VIEWPORT));
diff --git a/mesalib/src/mesa/main/compiler.h b/mesalib/src/mesa/main/compiler.h
index 743841be4..d736fdfc5 100644
--- a/mesalib/src/mesa/main/compiler.h
+++ b/mesalib/src/mesa/main/compiler.h
@@ -139,26 +139,28 @@ extern "C" {
/**
* Function inlining
*/
-#if defined(__GNUC__)
-# define INLINE __inline__
-#elif defined(__MSC__)
-# define INLINE __inline
-#elif defined(_MSC_VER)
-# define INLINE __inline
-#elif defined(__ICL)
-# define INLINE __inline
-#elif defined(__INTEL_COMPILER)
-# define INLINE inline
-#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
-# define INLINE __inline
-#elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
-# define INLINE inline
-# define __inline inline
-# define __inline__ inline
-#elif (__STDC_VERSION__ >= 199901L) /* C99 */
-# define INLINE inline
-#else
-# define INLINE
+#ifndef INLINE
+# if defined(__GNUC__)
+# define INLINE __inline__
+# elif defined(__MSC__)
+# define INLINE __inline
+# elif defined(_MSC_VER)
+# define INLINE __inline
+# elif defined(__ICL)
+# define INLINE __inline
+# elif defined(__INTEL_COMPILER)
+# define INLINE inline
+# elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
+# define INLINE __inline
+# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
+# define INLINE inline
+# define __inline inline
+# define __inline__ inline
+# elif (__STDC_VERSION__ >= 199901L) /* C99 */
+# define INLINE inline
+# else
+# define INLINE
+# endif
#endif
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 0492e1585..d32c68a53 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -1569,11 +1569,11 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
- v->value_int = _mesa_get_compressed_formats(ctx, NULL, GL_FALSE);
+ v->value_int = _mesa_get_compressed_formats(ctx, NULL);
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
v->value_int_n.n =
- _mesa_get_compressed_formats(ctx, v->value_int_n.ints, GL_FALSE);
+ _mesa_get_compressed_formats(ctx, v->value_int_n.ints);
ASSERT(v->value_int_n.n <= 100);
break;
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index d820ae927..42bd1eee5 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -40,19 +40,192 @@
/**
+ * Get the GL base format of a specified GL compressed texture format
+ *
+ * From page 232 of the OpenGL 3.3 (Compatiblity Profile) spec:
+ *
+ * "Compressed Internal Format Base Internal Format Type
+ * --------------------------- -------------------- ---------
+ * COMPRESSED_ALPHA ALPHA Generic
+ * COMPRESSED_LUMINANCE LUMINANCE Generic
+ * COMPRESSED_LUMINANCE_ALPHA LUMINANCE_ALPHA Generic
+ * COMPRESSED_INTENSITY INTENSITY Generic
+ * COMPRESSED_RED RED Generic
+ * COMPRESSED_RG RG Generic
+ * COMPRESSED_RGB RGB Generic
+ * COMPRESSED_RGBA RGBA Generic
+ * COMPRESSED_SRGB RGB Generic
+ * COMPRESSED_SRGB_ALPHA RGBA Generic
+ * COMPRESSED_SLUMINANCE LUMINANCE Generic
+ * COMPRESSED_SLUMINANCE_ALPHA LUMINANCE_ALPHA Generic
+ * COMPRESSED_RED_RGTC1 RED Specific
+ * COMPRESSED_SIGNED_RED_RGTC1 RED Specific
+ * COMPRESSED_RG_RGTC2 RG Specific
+ * COMPRESSED_SIGNED_RG_RGTC2 RG Specific"
+ *
+ * \return
+ * The base format of \c format if \c format is a compressed format (either
+ * generic or specific. Otherwise 0 is returned.
+ */
+GLenum
+_mesa_gl_compressed_format_base_format(GLenum format)
+{
+ switch (format) {
+ case GL_COMPRESSED_RED:
+ case GL_COMPRESSED_RED_RGTC1:
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ return GL_RED;
+
+ case GL_COMPRESSED_RG:
+ case GL_COMPRESSED_RG_RGTC2:
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ return GL_RG;
+
+ case GL_COMPRESSED_RGB:
+ case GL_COMPRESSED_SRGB:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ return GL_RGB;
+
+ case GL_COMPRESSED_RGBA:
+ case GL_COMPRESSED_SRGB_ALPHA:
+ case GL_COMPRESSED_RGBA_BPTC_UNORM_ARB:
+ case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB:
+ case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
+ case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return GL_RGBA;
+
+ case GL_COMPRESSED_ALPHA:
+ return GL_ALPHA;
+
+ case GL_COMPRESSED_LUMINANCE:
+ case GL_COMPRESSED_SLUMINANCE:
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ return GL_LUMINANCE;
+
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ case GL_COMPRESSED_SLUMINANCE_ALPHA:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ return GL_LUMINANCE_ALPHA;
+
+ case GL_COMPRESSED_INTENSITY:
+ return GL_INTENSITY;
+
+ default:
+ return 0;
+ }
+}
+
+/**
* Return list of (and count of) all specific texture compression
* formats that are supported.
*
+ * Some formats are \b not returned by this function. The
+ * \c GL_COMPRESSED_TEXTURE_FORMATS query only returns formats that are
+ * "suitable for general-purpose usage." All texture compression extensions
+ * have taken this to mean either linear RGB or linear RGBA.
+ *
+ * The GL_ARB_texture_compress_rgtc spec says:
+ *
+ * "19) Should the GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS queries return the RGTC formats?
+ *
+ * RESOLVED: No.
+ *
+ * The OpenGL 2.1 specification says "The only values returned
+ * by this query [GL_COMPRESSED_TEXTURE_FORMATS"] are those
+ * corresponding to formats suitable for general-purpose usage.
+ * The renderer will not enumerate formats with restrictions that
+ * need to be specifically understood prior to use."
+ *
+ * Compressed textures with just red or red-green components are
+ * not general-purpose so should not be returned by these queries
+ * because they have restrictions.
+ *
+ * Applications that seek to use the RGTC formats should do so
+ * by looking for this extension's name in the string returned by
+ * glGetString(GL_EXTENSIONS) rather than
+ * what GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS return."
+ *
+ * There is nearly identical wording in the GL_EXT_texture_compression_rgtc
+ * spec.
+ *
+ * The GL_EXT_texture_rRGB spec says:
+ *
+ * "22) Should the new COMPRESSED_SRGB_* formats be listed in an
+ * implementation's GL_COMPRESSED_TEXTURE_FORMATS list?
+ *
+ * RESOLVED: No. Section 3.8.1 says formats listed by
+ * GL_COMPRESSED_TEXTURE_FORMATS are "suitable for general-purpose
+ * usage." The non-linear distribution of red, green, and
+ * blue for these sRGB compressed formats makes them not really
+ * general-purpose."
+ *
+ * The GL_EXT_texture_compression_latc spec says:
+ *
+ * "16) Should the GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS queries return the LATC formats?
+ *
+ * RESOLVED: No.
+ *
+ * The OpenGL 2.1 specification says "The only values returned
+ * by this query [GL_COMPRESSED_TEXTURE_FORMATS"] are those
+ * corresponding to formats suitable for general-purpose usage.
+ * The renderer will not enumerate formats with restrictions that
+ * need to be specifically understood prior to use."
+ *
+ * Historically, OpenGL implementation have advertised the RGB and
+ * RGBA versions of the S3TC extensions compressed format tokens
+ * through this mechanism.
+ *
+ * The specification is not sufficiently clear about what "suitable
+ * for general-purpose usage" means. Historically that seems to mean
+ * unsigned RGB or unsigned RGBA. The DXT1 format supporting alpha
+ * (GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) is not exposed in the list (at
+ * least for NVIDIA drivers) because the alpha is always 1.0 expect
+ * when it is 0.0 when RGB is required to be black. NVIDIA's even
+ * limits itself to true linear RGB or RGBA formats, specifically
+ * not including EXT_texture_sRGB's sRGB S3TC compressed formats.
+ *
+ * Adding luminance and luminance-alpha texture formats (and
+ * certainly signed versions of luminance and luminance-alpha
+ * formats!) invites potential comptaibility problems with old
+ * applications using this mechanism since old applications are
+ * unlikely to expect non-RGB or non-RGBA formats to be advertised
+ * through this mechanism. However no specific misinteractions
+ * with old applications is known.
+ *
+ * Applications that seek to use the LATC formats should do so
+ * by looking for this extension's name in the string returned by
+ * glGetString(GL_EXTENSIONS) rather than
+ * what GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS return."
+ *
+ * There is no formal spec for GL_ATI_texture_compression_3dc. Since the
+ * formats added by this extension are luminance-alpha formats, it is
+ * reasonable to expect them to follow the same rules as
+ * GL_EXT_texture_compression_latc. At the very least, Catalyst 11.6 does not
+ * expose the 3dc formats through this mechanism.
+ *
* \param ctx the GL context
* \param formats the resulting format list (may be NULL).
- * \param all if true return all formats, even those with some kind
- * of restrictions/limitations (See GL_ARB_texture_compression
- * spec for more info).
*
* \return number of formats.
*/
GLuint
-_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all)
+_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
{
GLuint n = 0;
if (ctx->Extensions.TDFX_texture_compression_FXT1) {
@@ -64,24 +237,15 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean a
n += 2;
}
}
- /* don't return RGTC - ARB_texture_compression_rgtc query 19 */
+
if (ctx->Extensions.EXT_texture_compression_s3tc) {
if (formats) {
formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
- /* This format has some restrictions/limitations and so should
- * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query.
- * Specifically, all transparent pixels become black. NVIDIA
- * omits this format too.
- */
- if (all)
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
}
else {
n += 3;
- if (all)
- n += 1;
}
}
if (ctx->Extensions.S3_s3tc) {
@@ -95,19 +259,6 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean a
n += 4;
}
}
-#if FEATURE_EXT_texture_sRGB
- if (ctx->Extensions.EXT_texture_sRGB) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
- }
- else {
- n += 4;
- }
- }
-#endif /* FEATURE_EXT_texture_sRGB */
return n;
#if FEATURE_ES1 || FEATURE_ES2
diff --git a/mesalib/src/mesa/main/texcompress.h b/mesalib/src/mesa/main/texcompress.h
index fd42f6402..375cf90c8 100644
--- a/mesalib/src/mesa/main/texcompress.h
+++ b/mesalib/src/mesa/main/texcompress.h
@@ -1,59 +1,62 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.1
- *
- * 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 TEXCOMPRESS_H
-#define TEXCOMPRESS_H
-
-#include "formats.h"
-#include "glheader.h"
-#include "mfeatures.h"
-
-struct gl_context;
-
-#if _HAVE_FULL_GL
-
-extern GLuint
-_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all);
-
-extern gl_format
-_mesa_glenum_to_compressed_format(GLenum format);
-
-extern GLenum
-_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat);
-
-extern GLubyte *
-_mesa_compressed_image_address(GLint col, GLint row, GLint img,
- gl_format mesaFormat,
- GLsizei width, const GLubyte *image);
-
-#else /* _HAVE_FULL_GL */
-
-/* no-op macros */
-#define _mesa_get_compressed_formats( c, f ) 0
-#define _mesa_compressed_image_address(c, r, i, f, w, i2 ) 0
-#define _mesa_compress_teximage( c, w, h, sF, s, sRS, dF, d, drs ) ((void)0)
-
-#endif /* _HAVE_FULL_GL */
-
-#endif /* TEXCOMPRESS_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * 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 TEXCOMPRESS_H
+#define TEXCOMPRESS_H
+
+#include "formats.h"
+#include "glheader.h"
+#include "mfeatures.h"
+
+struct gl_context;
+
+#if _HAVE_FULL_GL
+
+extern GLenum
+_mesa_gl_compressed_format_base_format(GLenum format);
+
+extern GLuint
+_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats);
+
+extern gl_format
+_mesa_glenum_to_compressed_format(GLenum format);
+
+extern GLenum
+_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat);
+
+extern GLubyte *
+_mesa_compressed_image_address(GLint col, GLint row, GLint img,
+ gl_format mesaFormat,
+ GLsizei width, const GLubyte *image);
+
+#else /* _HAVE_FULL_GL */
+
+/* no-op macros */
+#define _mesa_get_compressed_formats( c, f ) 0
+#define _mesa_compressed_image_address(c, r, i, f, w, i2 ) 0
+#define _mesa_compress_teximage( c, w, h, sF, s, sRS, dF, d, drs ) ((void)0)
+
+#endif /* _HAVE_FULL_GL */
+
+#endif /* TEXCOMPRESS_H */
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 4b9dcb5d3..c4ec29533 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -915,9 +915,23 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = _mesa_compressed_format_to_glenum(ctx, texFormat);
}
else {
- /* return the user's requested internal format */
- *params = img->InternalFormat;
- }
+ /* If the true internal format is not compressed but the user
+ * requested a generic compressed format, we have to return the
+ * generic base format that matches.
+ *
+ * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
+ *
+ * "If no specific compressed format is available,
+ * internalformat is instead replaced by the corresponding base
+ * internal format."
+ *
+ * Otherwise just return the user's requested internal format
+ */
+ const GLenum f =
+ _mesa_gl_compressed_format_base_format(img->InternalFormat);
+
+ *params = (f != 0) ? f : img->InternalFormat;
+ }
break;
case GL_TEXTURE_BORDER:
*params = img->Border;
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 738e97ca5..8b4a535b7 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -134,7 +134,7 @@ src_reg::src_reg(dst_reg reg)
this->index = reg.index;
this->swizzle = SWIZZLE_XYZW;
this->negate = 0;
- this->reladdr = NULL;
+ this->reladdr = reg.reladdr;
}
dst_reg::dst_reg(src_reg reg)
@@ -1415,9 +1415,9 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
case ir_var_in:
case ir_var_inout:
/* The linker assigns locations for varyings and attributes,
- * including deprecated builtins (like gl_Color), user-assign
- * generic attributes (glBindVertexLocation), and
- * user-defined varyings.
+ * including deprecated builtins (like gl_Color),
+ * user-assigned generic attributes (glBindVertexLocation),
+ * and user-defined varyings.
*
* FINISHME: We would hit this path for function arguments. Fix!
*/
@@ -1496,6 +1496,18 @@ ir_to_mesa_visitor::visit(ir_dereference_array *ir)
this->result, src_reg_for_float(element_size));
}
+ /* If there was already a relative address register involved, add the
+ * new and the old together to get the new offset.
+ */
+ if (src.reladdr != NULL) {
+ src_reg accum_reg = get_temp(glsl_type::float_type);
+
+ emit(ir, OPCODE_ADD, dst_reg(accum_reg),
+ index_reg, *src.reladdr);
+
+ index_reg = accum_reg;
+ }
+
src.reladdr = ralloc(mem_ctx, src_reg);
memcpy(src.reladdr, &index_reg, sizeof(index_reg));
}
diff --git a/mesalib/src/mesa/program/prog_optimize.c b/mesalib/src/mesa/program/prog_optimize.c
index 8a40fa69e..f4a7a638d 100644
--- a/mesalib/src/mesa/program/prog_optimize.c
+++ b/mesalib/src/mesa/program/prog_optimize.c
@@ -1319,6 +1319,15 @@ _mesa_simplify_cmp(struct gl_program * program)
inst->Opcode = OPCODE_MOV;
inst->SrcReg[0] = inst->SrcReg[1];
+
+ /* Unused operands are expected to have the file set to
+ * PROGRAM_UNDEFINED. This is how _mesa_init_instructions initializes
+ * all of the sources.
+ */
+ inst->SrcReg[1].File = PROGRAM_UNDEFINED;
+ inst->SrcReg[1].Swizzle = SWIZZLE_NOOP;
+ inst->SrcReg[2].File = PROGRAM_UNDEFINED;
+ inst->SrcReg[2].Swizzle = SWIZZLE_NOOP;
}
}
if (dbg) {