From 1ad88fb42dcd69c678ca849151a9aae77d946584 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sat, 26 Nov 2011 09:10:47 -0700 Subject: [PATCH] mesa: handle MapTextureImage() failures in glTexImage code Reviewed-by: Eric Anholt --- src/mesa/main/texstore.c | 199 +++++++++++++++++++++++++++++------------------ 1 file changed, 123 insertions(+), 76 deletions(-) diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 892f07d..6319e70 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -4596,16 +4596,20 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level, 0, 0, width, 1, rwMode, &dstMap, &dstRowStride); + if (dstMap) { + success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + 0, /* dstRowStride */ + &dstMap, + width, 1, 1, + format, type, pixels, packing); - success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - 0, /* dstRowStride */ - &dstMap, - width, 1, 1, - format, type, pixels, packing); - - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + success = GL_FALSE; + } if (!success) _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); @@ -4668,15 +4672,19 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, 0, 0, width, 1, rwMode, &dstMap, &dstRowStride); - assert(dstMap); - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, 1, 1, - format, type, pixels, packing); - ctx->Driver.UnmapTextureImage(ctx, texImage, y); + if (dstMap) { + success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + &dstMap, + width, 1, 1, + format, type, pixels, packing); + ctx->Driver.UnmapTextureImage(ctx, texImage, y); + } + else { + success = GL_FALSE; + } if (!success) break; @@ -4689,16 +4697,20 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, 0, 0, width, height, rwMode, &dstMap, &dstRowStride); - assert(dstMap); - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, height, 1, - format, type, pixels, packing); + if (dstMap) { + success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + &dstMap, + width, height, 1, + format, type, pixels, packing); - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + success = GL_FALSE; + } } if (!success) @@ -4723,7 +4735,7 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_image *texImage) { const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLboolean success; + GLboolean success = GL_TRUE; GLint slice; GLubyte **sliceMaps; GLint dstRowStride; @@ -4755,7 +4767,7 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, height = 1; } - sliceMaps = (GLubyte **) malloc(depth * sizeof(GLubyte *)); + sliceMaps = (GLubyte **) calloc(depth, sizeof(GLubyte *)); /* Map dest texture buffer slices */ for (slice = 0; slice < depth; slice++) { @@ -4763,19 +4775,27 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, 0, 0, width, height, rwMode, &sliceMaps[slice], &dstRowStride); + if (!sliceMaps[slice]) { + success = GL_FALSE; + break; + } } - success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - sliceMaps, - width, height, depth, - format, type, pixels, packing); + if (success) { + success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + sliceMaps, + width, height, depth, + format, type, pixels, packing); + } /* Unmap dest texture buffer slices */ for (slice = 0; slice < depth; slice++) { - ctx->Driver.UnmapTextureImage(ctx, texImage, slice); + if (sliceMaps[slice]) { + ctx->Driver.UnmapTextureImage(ctx, texImage, slice); + } } if (!success) @@ -4818,15 +4838,20 @@ _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level, rwMode, &dstMap, &dstRowStride); - success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, 1, 1, - format, type, pixels, packing); + if (dstMap) { + success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + &dstMap, + width, 1, 1, + format, type, pixels, packing); - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + success = GL_FALSE; + } if (!success) _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D"); @@ -4866,15 +4891,20 @@ _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level, rwMode, &dstMap, &dstRowStride); - success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - &dstMap, - width, height, 1, - format, type, pixels, packing); + if (dstMap) { + success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + &dstMap, + width, height, 1, + format, type, pixels, packing); - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + success = GL_FALSE; + } if (!success) _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D"); @@ -4897,7 +4927,7 @@ _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, struct gl_texture_image *texImage) { const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat); - GLboolean success; + GLboolean success = GL_TRUE; GLint slice; GLubyte **sliceMaps; GLint dstRowStride; @@ -4909,7 +4939,7 @@ _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, if (!pixels) return; - sliceMaps = (GLubyte **) malloc(depth * sizeof(GLubyte *)); + sliceMaps = (GLubyte **) calloc(depth, sizeof(GLubyte *)); /* Map dest texture buffer slices */ for (slice = 0; slice < depth; slice++) { @@ -4917,19 +4947,27 @@ _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, xoffset, yoffset, width, height, rwMode, &sliceMaps[slice], &dstRowStride); + if (!sliceMaps[slice]) { + success = GL_FALSE; + break; + } } - success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, - texImage->TexFormat, - 0, 0, 0, - dstRowStride, - sliceMaps, - width, height, depth, - format, type, pixels, packing); + if (success) { + success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, + texImage->TexFormat, + 0, 0, 0, + dstRowStride, + sliceMaps, + width, height, depth, + format, type, pixels, packing); + } /* Unmap dest texture buffer slices */ for (slice = 0; slice < depth; slice++) { - ctx->Driver.UnmapTextureImage(ctx, texImage, zoffset + slice); + if (sliceMaps[slice]) { + ctx->Driver.UnmapTextureImage(ctx, texImage, zoffset + slice); + } } if (!success) @@ -5008,11 +5046,15 @@ _mesa_store_compressed_teximage2d(struct gl_context *ctx, 0, 0, width, height, GL_MAP_WRITE_BIT, &dstMap, &dstRowStride); + if (dstMap) { + /* copy the data */ + memcpy(dstMap, data, imageSize); - /* copy the data */ - memcpy(dstMap, data, imageSize); - - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); + } _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack); } @@ -5112,17 +5154,22 @@ _mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target, GL_MAP_WRITE_BIT, &dstMap, &dstRowStride); - bytesPerRow = srcRowStride; /* bytes per row of blocks */ - rows = height / bh; /* rows in blocks */ + if (dstMap) { + bytesPerRow = srcRowStride; /* bytes per row of blocks */ + rows = height / bh; /* rows in blocks */ - /* copy rows of blocks */ - for (i = 0; i < rows; i++) { - memcpy(dstMap, src, bytesPerRow); - dstMap += dstRowStride; - src += srcRowStride; - } + /* copy rows of blocks */ + for (i = 0; i < rows; i++) { + memcpy(dstMap, src, bytesPerRow); + dstMap += dstRowStride; + src += srcRowStride; + } - ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + ctx->Driver.UnmapTextureImage(ctx, texImage, 0); + } + else { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage2D"); + } _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack); } -- 2.7.4