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authormarha <marha@users.sourceforge.net>2012-01-06 19:27:25 +0100
committerMarc Haesen <marc@hc-consult.be>2012-01-06 19:27:25 +0100
commit7e9f4ea970e8f7008c212d7d3918a974eb0066da (patch)
tree92cf7fcdf6e8093e743346af2397f3caa17cffe3 /mesalib/src/mesa/swrast/s_copypix.c
parent9715b7fab0757c86e1bb151f3dce0b324bcff692 (diff)
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libX11 mesa pixman git update 6 jan 2012
Diffstat (limited to 'mesalib/src/mesa/swrast/s_copypix.c')
-rw-r--r--mesalib/src/mesa/swrast/s_copypix.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/mesalib/src/mesa/swrast/s_copypix.c b/mesalib/src/mesa/swrast/s_copypix.c
index 1dc4286a3..1e0f9fe7d 100644
--- a/mesalib/src/mesa/swrast/s_copypix.c
+++ b/mesalib/src/mesa/swrast/s_copypix.c
@@ -422,13 +422,13 @@ copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
/**
- * Try to do a fast copy pixels with memcpy.
+ * Try to do a fast 1:1 blit with memcpy.
* \return GL_TRUE if successful, GL_FALSE otherwise.
*/
-static GLboolean
-fast_copy_pixels(struct gl_context *ctx,
- GLint srcX, GLint srcY, GLsizei width, GLsizei height,
- GLint dstX, GLint dstY, GLenum type)
+GLboolean
+swrast_fast_copy_pixels(struct gl_context *ctx,
+ GLint srcX, GLint srcY, GLsizei width, GLsizei height,
+ GLint dstX, GLint dstY, GLenum type)
{
struct gl_framebuffer *srcFb = ctx->ReadBuffer;
struct gl_framebuffer *dstFb = ctx->DrawBuffer;
@@ -438,14 +438,6 @@ fast_copy_pixels(struct gl_context *ctx,
GLubyte *srcMap, *dstMap;
GLint srcRowStride, dstRowStride;
- if (SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 ||
- ctx->Pixel.ZoomX != 1.0F ||
- ctx->Pixel.ZoomY != 1.0F ||
- ctx->_ImageTransferState) {
- /* can't handle these */
- return GL_FALSE;
- }
-
if (type == GL_COLOR) {
if (dstFb->_NumColorDrawBuffers != 1)
return GL_FALSE;
@@ -508,7 +500,7 @@ fast_copy_pixels(struct gl_context *ctx,
srcRb->Width, srcRb->Height,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
&map, &rowStride);
- if (!srcMap) {
+ if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
return GL_TRUE; /* don't retry with slow path */
}
@@ -582,7 +574,12 @@ _swrast_CopyPixels( struct gl_context *ctx,
if (swrast->NewState)
_swrast_validate_derived( ctx );
- if (fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) {
+ if (!(SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 ||
+ ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != 1.0F ||
+ ctx->_ImageTransferState) &&
+ swrast_fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty,
+ type)) {
/* all done */
return;
}