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-rw-r--r--mesalib/src/mesa/main/config.h93
-rw-r--r--mesalib/src/mesa/main/context.c21
-rw-r--r--mesalib/src/mesa/main/readpix.c120
-rw-r--r--mesalib/src/mesa/main/texstore.c39
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 18:16:16 +0000