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meta: Fallback for glBlitFramebuffer from a multisample surface

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NOTE: This is a candidate for the 8.0 branch.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44818
(cherry picked from commit b48d4b64e9)
This commit is contained in:
Ian Romanick 2012-01-20 16:08:01 -08:00
parent 442dc31fa7
commit 7f5d3f7ed2
1 changed files with 6 additions and 1 deletions
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7
src/mesa/drivers/common/meta.c
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@ -1451,7 +1451,12 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
struct vertex verts[4];
GLboolean newTex;
if (srcW > maxTexSize || srcH > maxTexSize) {
/* In addition to falling back if the blit size is larger than the maximum
* texture size, fallback if the source is multisampled. This fallback can
* be removed once Mesa gets support ARB_texture_multisample.
*/
if (srcW > maxTexSize || srcH > maxTexSize
|| ctx->ReadBuffer->Visual.samples > 0) {
/* XXX avoid this fallback */
_swrast_BlitFramebuffer(ctx, srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1, mask, filter);