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authorKenneth Graunke <[email protected]>2011-03-01 11:15:34 -0800
committerKenneth Graunke <[email protected]>2011-03-01 11:21:48 -0800
commitd1fc920f613aa349e6721963e22e12c6eb49e3f9 (patch)
tree1109a959314b30eb4e1e198117b92bb6e71059e7 /src/mesa
parentfaf1ddacfb006fe50d81aab50b33356567cafaba (diff)
intel: Support glCopyTexImage() from ARGB8888 to XRGB8888.
Nexuiz was hitting a software fallback.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/intel/intel_tex_copy.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_tex_copy.c b/src/mesa/drivers/dri/intel/intel_tex_copy.c
index 136d8e1d0a9..62d4169acd1 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_copy.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_copy.c
@@ -77,6 +77,7 @@ intel_copy_texsubimage(struct intel_context *intel,
{
struct gl_context *ctx = &intel->ctx;
struct intel_renderbuffer *irb;
+ bool copy_supported = false;
bool copy_supported_with_alpha_override = false;
intel_prepare_render(intel);
@@ -89,13 +90,21 @@ intel_copy_texsubimage(struct intel_context *intel,
return GL_FALSE;
}
+ copy_supported = intelImage->base.TexFormat == irb->Base.Format;
+
+ /* Converting ARGB8888 to XRGB8888 is trivial: ignore the alpha bits */
+ if (irb->Base.Format == MESA_FORMAT_ARGB8888 &&
+ intelImage->base.TexFormat == MESA_FORMAT_XRGB8888) {
+ copy_supported = true;
+ }
+
+ /* Converting XRGB8888 to ARGB8888 requires setting the alpha bits to 1.0 */
if (irb->Base.Format == MESA_FORMAT_XRGB8888 &&
intelImage->base.TexFormat == MESA_FORMAT_ARGB8888) {
copy_supported_with_alpha_override = true;
}
- if (intelImage->base.TexFormat != irb->Base.Format &&
- !copy_supported_with_alpha_override) {
+ if (!copy_supported && !copy_supported_with_alpha_override) {
if (unlikely(INTEL_DEBUG & DEBUG_FALLBACKS))
fprintf(stderr, "%s mismatched formats %s, %s\n",
__FUNCTION__,