Merge remote-tracking branch 'origin/released'

Conflicts:
	pixman/pixman/pixman-mmx.c

4 files changed, 124 insertions, 149 deletions

diff --git a/mesalib/src/mesa/main/config.h b/mesalib/src/mesa/main/config.h
index 7b7740ebe..8bf741f99 100644
--- a/mesalib/src/mesa/main/config.h
+++ b/mesalib/src/mesa/main/config.h
@@ -46,9 +46,6 @@
 /** Maximum texture matrix stack depth */
 #define MAX_TEXTURE_STACK_DEPTH 10
 
-/** Maximum color matrix stack depth */
-#define MAX_COLOR_STACK_DEPTH 4
-
 /** Maximum attribute stack depth */
 #define MAX_ATTRIB_STACK_DEPTH 16
 
@@ -74,11 +71,7 @@
 #define MAX_AUX_BUFFERS 1
 
 /** Maximum order (degree) of curves */
-#ifdef AMIGA
-#   define MAX_EVAL_ORDER 12
-#else
-#   define MAX_EVAL_ORDER 30
-#endif
+#define MAX_EVAL_ORDER 30
 
 /** Maximum Name stack depth */
 #define MAX_NAME_STACK_DEPTH 64
@@ -115,7 +108,9 @@
 /** Maximum rectangular texture size - GL_NV_texture_rectangle */
 #define MAX_TEXTURE_RECT_SIZE 16384
 
-/** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */
+/**
+ * Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array
+ */
 #define MAX_ARRAY_TEXTURE_LAYERS 64
 
 /**
@@ -141,34 +136,9 @@
 #define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS)
 
 
-/** 
- * Maximum viewport/image width. Must accomodate all texture sizes too. 
- */
-
-#ifndef MAX_WIDTH
-#   define MAX_WIDTH 16384
-#endif
-/** Maximum viewport/image height */
-#ifndef MAX_HEIGHT
-#   define MAX_HEIGHT 16384
-#endif
-
-/* XXX: hack to prevent stack overflow on windows until all temporary arrays
- * [MAX_WIDTH] are allocated from the heap */
-#ifdef WIN32
-#undef MAX_TEXTURE_LEVELS
-#undef MAX_3D_TEXTURE_LEVELS
-#undef MAX_CUBE_TEXTURE_LEVELS
-#undef MAX_TEXTURE_RECT_SIZE
-#undef MAX_WIDTH
-#undef MAX_HEIGHT
-#define MAX_TEXTURE_LEVELS 13
-#define MAX_3D_TEXTURE_LEVELS 9
-#define MAX_CUBE_TEXTURE_LEVELS 13
-#define MAX_TEXTURE_RECT_SIZE 4096
-#define MAX_WIDTH 4096
-#define MAX_HEIGHT 4096
-#endif
+/** Maximum viewport size */
+#define MAX_VIEWPORT_WIDTH 16384
+#define MAX_VIEWPORT_HEIGHT 16384
 
 /** Maxmimum size for CVA.  May be overridden by the drivers.  */
 #define MAX_ARRAY_LOCK_SIZE 3000
@@ -176,14 +146,6 @@
 /** Subpixel precision for antialiasing, window coordinate snapping */
 #define SUB_PIXEL_BITS 4
 
-/** Size of histogram tables */
-#define HISTOGRAM_TABLE_SIZE 256
-
-/** Max convolution filter width */
-#define MAX_CONVOLUTION_WIDTH 9
-/** Max convolution filter height */
-#define MAX_CONVOLUTION_HEIGHT 9
-
 /** For GL_ARB_texture_compression */
 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 
@@ -280,6 +242,7 @@
 /** For GL_EXT_framebuffer_object */
 /*@{*/
 #define MAX_COLOR_ATTACHMENTS 8
+#define MAX_RENDERBUFFER_SIZE 16384
 /*@}*/
 
 /** For GL_ATI_envmap_bump - support bump mapping on first 8 units */
@@ -299,46 +262,6 @@
 /*@}*/
 
 
-/**
- * \name Mesa-specific parameters
- */
-/*@{*/
-
-
-/**
- * If non-zero use GLdouble for walking triangle edges, for better accuracy.
- */
-#define TRIANGLE_WALK_DOUBLE 0
-
-
-/**
- * Bits per depth buffer value (max is 32).
- */
-#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
-#define DEFAULT_SOFTWARE_DEPTH_BITS 16
-#endif
-/** Depth buffer data type */
-#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
-#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
-#else
-#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
-#endif
-
-
-/**
- * Bits per stencil value: 8
- */
-#define STENCIL_BITS 8
-
-
-/**
- * For swrast, bits per color channel:  8, 16 or 32
- */
-#ifndef CHAN_BITS
-#define CHAN_BITS 8
-#endif
-
-
 /*
  * Color channel component order
  * 
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 43e7438ad..8d48904f8 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -268,7 +268,7 @@ _mesa_initialize_visual( struct gl_config *vis,
    if (depthBits < 0 || depthBits > 32) {
       return GL_FALSE;
    }
-   if (stencilBits < 0 || stencilBits > STENCIL_BITS) {
+   if (stencilBits < 0 || stencilBits > 8) {
       return GL_FALSE;
    }
    assert(accumRedBits >= 0);
@@ -586,8 +586,8 @@ _mesa_init_constants(struct gl_context *ctx)
    ctx->Const.MaxLights = MAX_LIGHTS;
    ctx->Const.MaxShininess = 128.0;
    ctx->Const.MaxSpotExponent = 128.0;
-   ctx->Const.MaxViewportWidth = MAX_WIDTH;
-   ctx->Const.MaxViewportHeight = MAX_HEIGHT;
+   ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH;
+   ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT;
 #if FEATURE_ARB_vertex_program
    init_program_limits(GL_VERTEX_PROGRAM_ARB, &ctx->Const.VertexProgram);
 #endif
@@ -608,7 +608,7 @@ _mesa_init_constants(struct gl_context *ctx)
 
 #if FEATURE_EXT_framebuffer_object
    ctx->Const.MaxColorAttachments = MAX_COLOR_ATTACHMENTS;
-   ctx->Const.MaxRenderbufferSize = MAX_WIDTH;
+   ctx->Const.MaxRenderbufferSize = MAX_RENDERBUFFER_SIZE;
 #endif
 
 #if FEATURE_ARB_vertex_shader
@@ -712,20 +712,15 @@ check_context_limits(struct gl_context *ctx)
    assert(ctx->Const.MaxCubeTextureLevels <= MAX_CUBE_TEXTURE_LEVELS);
    assert(ctx->Const.MaxTextureRectSize <= MAX_TEXTURE_RECT_SIZE);
 
-   /* make sure largest texture image is <= MAX_WIDTH in size */
-   assert((1 << (ctx->Const.MaxTextureLevels - 1)) <= MAX_WIDTH);
-   assert((1 << (ctx->Const.MaxCubeTextureLevels - 1)) <= MAX_WIDTH);
-   assert((1 << (ctx->Const.Max3DTextureLevels - 1)) <= MAX_WIDTH);
-
    /* Texture level checks */
    assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
    assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
 
    /* Max texture size should be <= max viewport size (render to texture) */
-   assert((1 << (MAX_TEXTURE_LEVELS - 1)) <= MAX_WIDTH);
-
-   assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH);
-   assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH);
+   assert((1 << (ctx->Const.MaxTextureLevels - 1))
+          <= ctx->Const.MaxViewportWidth);
+   assert((1 << (ctx->Const.MaxTextureLevels - 1))
+          <= ctx->Const.MaxViewportHeight);
 
    assert(ctx->Const.MaxDrawBuffers <= MAX_DRAW_BUFFERS);
 
diff --git a/mesalib/src/mesa/main/readpix.c b/mesalib/src/mesa/main/readpix.c
index 48708a6eb..0f429ab22 100644
--- a/mesalib/src/mesa/main/readpix.c
+++ b/mesalib/src/mesa/main/readpix.c
@@ -110,6 +110,7 @@ read_depth_pixels( struct gl_context *ctx,
    GLint j;
    GLubyte *dst, *map;
    int dstStride, stride;
+   GLfloat *depthValues;
 
    if (!rb)
       return;
@@ -119,8 +120,6 @@ read_depth_pixels( struct gl_context *ctx,
    ASSERT(y >= 0);
    ASSERT(x + width <= (GLint) rb->Width);
    ASSERT(y + height <= (GLint) rb->Height);
-   /* width should never be > MAX_WIDTH since we did clipping earlier */
-   ASSERT(width <= MAX_WIDTH);
 
    if (fast_read_depth_pixels(ctx, x, y, width, height, type, pixels, packing))
       return;
@@ -136,16 +135,24 @@ read_depth_pixels( struct gl_context *ctx,
       return;
    }
 
-   /* General case (slower) */
-   for (j = 0; j < height; j++, y++) {
-      GLfloat depthValues[MAX_WIDTH];
-      _mesa_unpack_float_z_row(rb->Format, width, map, depthValues);
-      _mesa_pack_depth_span(ctx, width, dst, type, depthValues, packing);
+   depthValues = (GLfloat *) malloc(width * sizeof(GLfloat));
 
-      dst += dstStride;
-      map += stride;
+   if (depthValues) {
+      /* General case (slower) */
+      for (j = 0; j < height; j++, y++) {
+         _mesa_unpack_float_z_row(rb->Format, width, map, depthValues);
+         _mesa_pack_depth_span(ctx, width, dst, type, depthValues, packing);
+
+         dst += dstStride;
+         map += stride;
+      }
+   }
+   else {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels");
    }
 
+   free(depthValues);
+
    ctx->Driver.UnmapRenderbuffer(ctx, rb);
 }
 
@@ -163,15 +170,12 @@ read_stencil_pixels( struct gl_context *ctx,
    struct gl_framebuffer *fb = ctx->ReadBuffer;
    struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
    GLint j;
-   GLubyte *map;
+   GLubyte *map, *stencil;
    GLint stride;
 
    if (!rb)
       return;
 
-   /* width should never be > MAX_WIDTH since we did clipping earlier */
-   ASSERT(width <= MAX_WIDTH);
-
    ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT,
 			       &map, &stride);
    if (!map) {
@@ -179,19 +183,27 @@ read_stencil_pixels( struct gl_context *ctx,
       return;
    }
 
-   /* process image row by row */
-   for (j = 0; j < height; j++) {
-      GLvoid *dest;
-      GLubyte stencil[MAX_WIDTH];
+   stencil = (GLubyte *) malloc(width * sizeof(GLubyte));
 
-      _mesa_unpack_ubyte_stencil_row(rb->Format, width, map, stencil);
-      dest = _mesa_image_address2d(packing, pixels, width, height,
-                                   GL_STENCIL_INDEX, type, j, 0);
+   if (stencil) {
+      /* process image row by row */
+      for (j = 0; j < height; j++) {
+         GLvoid *dest;
 
-      _mesa_pack_stencil_span(ctx, width, type, dest, stencil, packing);
+         _mesa_unpack_ubyte_stencil_row(rb->Format, width, map, stencil);
+         dest = _mesa_image_address2d(packing, pixels, width, height,
+                                      GL_STENCIL_INDEX, type, j, 0);
 
-      map += stride;
+         _mesa_pack_stencil_span(ctx, width, type, dest, stencil, packing);
+
+         map += stride;
+      }
    }
+   else {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels");
+   }
+
+   free(stencil);
 
    ctx->Driver.UnmapRenderbuffer(ctx, rb);
 }
@@ -378,7 +390,7 @@ fast_read_depth_stencil_pixels_separate(struct gl_context *ctx,
    struct gl_framebuffer *fb = ctx->ReadBuffer;
    struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
    struct gl_renderbuffer *stencilRb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
-   GLubyte *depthMap, *stencilMap;
+   GLubyte *depthMap, *stencilMap, *stencilVals;
    int depthStride, stencilStride, i, j;
 
    if (_mesa_get_format_datatype(depthRb->Format) != GL_UNSIGNED_NORMALIZED)
@@ -399,21 +411,28 @@ fast_read_depth_stencil_pixels_separate(struct gl_context *ctx,
       return GL_TRUE;  /* don't bother trying the slow path */
    }
 
-   for (j = 0; j < height; j++) {
-      GLubyte stencilVals[MAX_WIDTH];
+   stencilVals = (GLubyte *) malloc(width * sizeof(GLubyte));
 
-      _mesa_unpack_uint_z_row(depthRb->Format, width, depthMap, dst);
-      _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width,
-				     stencilMap, stencilVals);
+   if (stencilVals) {
+      for (j = 0; j < height; j++) {
+         _mesa_unpack_uint_z_row(depthRb->Format, width, depthMap, dst);
+         _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width,
+                                        stencilMap, stencilVals);
 
-      for (i = 0; i < width; i++) {
-	 dst[i] = (dst[i] & 0xffffff00) | stencilVals[i];
-      }
+         for (i = 0; i < width; i++) {
+            dst[i] = (dst[i] & 0xffffff00) | stencilVals[i];
+         }
 
-      depthMap += depthStride;
-      stencilMap += stencilStride;
-      dst += dstStride / 4;
+         depthMap += depthStride;
+         stencilMap += stencilStride;
+         dst += dstStride / 4;
+      }
    }
+   else {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels");
+   }
+
+   free(stencilVals);
 
    ctx->Driver.UnmapRenderbuffer(ctx, depthRb);
    ctx->Driver.UnmapRenderbuffer(ctx, stencilRb);
@@ -434,6 +453,9 @@ slow_read_depth_stencil_pixels_separate(struct gl_context *ctx,
    struct gl_renderbuffer *stencilRb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
    GLubyte *depthMap, *stencilMap;
    int depthStride, stencilStride, j;
+   GLubyte *stencilVals;
+   GLfloat *depthVals;
+
 
    /* The depth and stencil buffers might be separate, or a single buffer.
     * If one buffer, only map it once.
@@ -460,21 +482,29 @@ slow_read_depth_stencil_pixels_separate(struct gl_context *ctx,
       stencilStride = depthStride;
    }
 
-   for (j = 0; j < height; j++) {
-      GLubyte stencilVals[MAX_WIDTH];
-      GLfloat depthVals[MAX_WIDTH];
+   stencilVals = (GLubyte *) malloc(width * sizeof(GLubyte));
+   depthVals = (GLfloat *) malloc(width * sizeof(GLfloat));
 
-      _mesa_unpack_float_z_row(depthRb->Format, width, depthMap, depthVals);
-      _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width,
-				     stencilMap, stencilVals);
+   if (stencilVals && depthVals) {
+      for (j = 0; j < height; j++) {
+         _mesa_unpack_float_z_row(depthRb->Format, width, depthMap, depthVals);
+         _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width,
+                                        stencilMap, stencilVals);
 
-      _mesa_pack_depth_stencil_span(ctx, width, type, (GLuint *)dst,
-				    depthVals, stencilVals, packing);
+         _mesa_pack_depth_stencil_span(ctx, width, type, (GLuint *)dst,
+                                       depthVals, stencilVals, packing);
 
-      depthMap += depthStride;
-      stencilMap += stencilStride;
-      dst += dstStride;
+         depthMap += depthStride;
+         stencilMap += stencilStride;
+         dst += dstStride;
+      }
    }
+   else {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels");
+   }
+
+   free(stencilVals);
+   free(depthVals);
 
    ctx->Driver.UnmapRenderbuffer(ctx, depthRb);
    if (stencilRb != depthRb) {
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index e8190c392..d368b1868 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -2797,6 +2797,15 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
    }
    else if (srcFormat == GL_DEPTH_COMPONENT ||
             srcFormat == GL_STENCIL_INDEX) {
+      GLuint *depth = (GLuint *) malloc(srcWidth * sizeof(GLuint));
+      GLubyte *stencil = (GLubyte *) malloc(srcWidth * sizeof(GLubyte));
+
+      if (!depth || !stencil) {
+         free(depth);
+         free(stencil);
+         return GL_FALSE;
+      }
+
       /* In case we only upload depth we need to preserve the stencil */
       for (img = 0; img < srcDepth; img++) {
 	 GLuint *dstRow = (GLuint *) dstSlices[img];
@@ -2806,8 +2815,6 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
                   srcFormat, srcType,
                   img, 0, 0);
          for (row = 0; row < srcHeight; row++) {
-            GLuint depth[MAX_WIDTH];
-	    GLubyte stencil[MAX_WIDTH];
             GLint i;
 	    GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
 
@@ -2845,6 +2852,9 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
             dstRow += dstRowStride / sizeof(GLuint);
          }
       }
+
+      free(depth);
+      free(stencil);
    }
    return GL_TRUE;
 }
@@ -2860,6 +2870,8 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
    const GLint srcRowStride
       = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
    GLint img, row;
+   GLuint *depth;
+   GLubyte *stencil;
 
    ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
    ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||
@@ -2868,6 +2880,15 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
    ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||
           srcType == GL_UNSIGNED_INT_24_8_EXT);
 
+   depth = (GLuint *) malloc(srcWidth * sizeof(GLuint));
+   stencil = (GLubyte *) malloc(srcWidth * sizeof(GLubyte));
+
+   if (!depth || !stencil) {
+      free(depth);
+      free(stencil);
+      return GL_FALSE;
+   }
+
    for (img = 0; img < srcDepth; img++) {
       GLuint *dstRow = (GLuint *) dstSlices[img];
       const GLubyte *src
@@ -2876,8 +2897,6 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
 						srcFormat, srcType,
 						img, 0, 0);
       for (row = 0; row < srcHeight; row++) {
-	 GLuint depth[MAX_WIDTH];
-	 GLubyte stencil[MAX_WIDTH];
 	 GLint i;
 	 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
 	 
@@ -2916,6 +2935,10 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
 	 dstRow += dstRowStride / sizeof(GLuint);
       }
    }
+
+   free(depth);
+   free(stencil);
+
    return GL_TRUE;
 }
 
@@ -2944,7 +2967,11 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
       const GLint srcRowStride
 	 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
       GLint img, row;
-      
+      GLubyte *stencil = (GLubyte *) malloc(srcWidth * sizeof(GLubyte));
+
+      if (!stencil)
+         return GL_FALSE;
+
       for (img = 0; img < srcDepth; img++) {
          GLubyte *dstRow = dstSlices[img];
          const GLubyte *src
@@ -2953,7 +2980,6 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
                                                    srcFormat, srcType,
                                                    img, 0, 0);
          for (row = 0; row < srcHeight; row++) {
-            GLubyte stencil[MAX_WIDTH];
             GLint i;
 
             /* get the 8-bit stencil values */
@@ -2971,6 +2997,7 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
          }
       }
 
+      free(stencil);
    }
 
    return GL_TRUE;