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mesa/swrast: Refactor no-memory error checking in blit_linear

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Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick 2013-04-12 16:47:13 -07:00
parent 4c3ed79566
commit 6758498eb7
1 changed files with 11 additions and 29 deletions
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40
src/mesa/swrast/s_blit.c
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@ -564,22 +564,10 @@ blit_linear(struct gl_context *ctx,
* Keep two adjacent src rows around for bilinear sampling.
*/
srcBuffer0 = malloc(pixelSize * srcWidth);
if (!srcBuffer0) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFrameBufferEXT");
return;
}
srcBuffer1 = malloc(pixelSize * srcWidth);
if (!srcBuffer1) {
free(srcBuffer0);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFrameBufferEXT");
return;
}
dstBuffer = malloc(pixelSize * dstWidth);
if (!dstBuffer) {
free(srcBuffer0);
free(srcBuffer1);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFrameBufferEXT");
return;
if (!srcBuffer0 || !srcBuffer1 || !dstBuffer) {
goto fail_no_memory;
}
for (i = 0; i < drawFb->_NumColorDrawBuffers; i++) {
@ -610,11 +598,7 @@ blit_linear(struct gl_context *ctx,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
&srcMap, &srcRowStride);
if (!srcMap) {
free(srcBuffer0);
free(srcBuffer1);
free(dstBuffer);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
return;
goto fail_no_memory;
}
dstMap = srcMap;
@ -629,22 +613,14 @@ blit_linear(struct gl_context *ctx,
0, 0, readRb->Width, readRb->Height,
GL_MAP_READ_BIT, &srcMap, &srcRowStride);
if (!srcMap) {
free(srcBuffer0);
free(srcBuffer1);
free(dstBuffer);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
return;
goto fail_no_memory;
}
ctx->Driver.MapRenderbuffer(ctx, drawRb,
0, 0, drawRb->Width, drawRb->Height,
GL_MAP_WRITE_BIT, &dstMap, &dstRowStride);
if (!dstMap) {
ctx->Driver.UnmapRenderbuffer(ctx, readRb);
free(srcBuffer0);
free(srcBuffer1);
free(dstBuffer);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
return;
goto fail_no_memory;
}
}
@ -743,6 +719,12 @@ blit_linear(struct gl_context *ctx,
ctx->Driver.UnmapRenderbuffer(ctx, drawRb);
}
}
fail_no_memory:
free(srcBuffer0);
free(srcBuffer1);
free(dstBuffer);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
}