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authorBrian Paul <brianp@vmware.com>2009-02-26 18:42:00 -0700
committerBrian Paul <brianp@vmware.com>2009-02-26 18:48:36 -0700
commit4f8ed56d168e9175e76bc42d8b924c7bcaa59dea (patch)
tree01aad198e2a2458c7b8b766fd79daf21e64502f6 /src/mesa
parentf77b720cde981d441e482bbbd68115634b3041ce (diff)
intel: no-op the intel_finish_render_texture() function
It doesn't have to do anything. See comments for more details.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/intel/intel_fbo.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 53075378bc..787c290022 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -612,19 +612,16 @@ static void
intel_finish_render_texture(GLcontext * ctx,
struct gl_renderbuffer_attachment *att)
{
- struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer);
-
- DBG("End render texture (tid %x) tex %u\n", _glthread_GetID(), att->Texture->Name);
-
- if (irb) {
- /* just release the region */
- intel_region_release(&irb->region);
- }
- else if (att->Renderbuffer) {
- /* software fallback */
- _mesa_finish_render_texture(ctx, att);
- /* XXX FBO: Need to unmap the buffer (or in intelSpanRenderStart???) */
- }
+ /* no-op
+ * Previously we released the renderbuffer's intel_region but
+ * that's not necessary and actually caused problems when trying
+ * to do a glRead/CopyPixels from the renderbuffer later.
+ * The region will be released later if the texture is replaced
+ * or the renderbuffer deleted.
+ *
+ * The intention of this driver hook is more of a "done rendering
+ * to texture, please re-twiddle/etc if necessary".
+ */
}