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meta: Avoid FBO resizing/reallocating in decompress_texture_image

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Reallocate/resize decompress FBO only if texture image width/height is
greater than existing decompress FBO width/height.

This is a candidate for stable branches.

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Anuj Phogat 2012-02-13 10:48:45 -08:00
parent 78734e375a
commit 66bf25f1a2
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/common/meta.c
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@ -3292,7 +3292,7 @@ decompress_texture_image(struct gl_context *ctx,
}
/* alloc dest surface */
if (width != decompress->Width || height != decompress->Height) {
if (width > decompress->Width || height > decompress->Height) {
_mesa_RenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA,
width, height);
decompress->Width = width;