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meta: Fix GL_RENDERBUFFER binding in decompress_texture_image().

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This isn't saved/restored by _mesa_meta_begin, so we need to do it
manually (like we do for the read/draw framebuffers).  Additionally,
we neglected to re-bind before the glRenderbufferStorage call.

+13 oglconforms.

NOTE: This is a candidate for stable release branches.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Kenneth Graunke 2012-06-04 11:40:23 -07:00
parent 3edd2ba22b
commit 7fde071f04
1 changed files with 4 additions and 0 deletions
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4
src/mesa/drivers/common/meta.c
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@ -3269,6 +3269,7 @@ decompress_texture_image(struct gl_context *ctx,
};
struct vertex verts[4];
GLuint fboDrawSave, fboReadSave;
GLuint rbSave;
if (slice > 0) {
assert(target == GL_TEXTURE_3D ||
@ -3285,6 +3286,7 @@ decompress_texture_image(struct gl_context *ctx,
/* save fbo bindings (not saved by _mesa_meta_begin()) */
fboDrawSave = ctx->DrawBuffer->Name;
fboReadSave = ctx->ReadBuffer->Name;
rbSave = ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
_mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_PIXEL_STORE);
@ -3305,6 +3307,7 @@ decompress_texture_image(struct gl_context *ctx,
/* alloc dest surface */
if (width > decompress->Width || height > decompress->Height) {
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, decompress->RBO);
_mesa_RenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA,
width, height);
decompress->Width = width;
@ -3437,6 +3440,7 @@ decompress_texture_image(struct gl_context *ctx,
_mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, fboDrawSave);
_mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, fboReadSave);
}
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, rbSave);
}