From 4f8ed56d168e9175e76bc42d8b924c7bcaa59dea Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 26 Feb 2009 18:42:00 -0700 Subject: intel: no-op the intel_finish_render_texture() function It doesn't have to do anything. See comments for more details. --- src/mesa/drivers/dri/intel/intel_fbo.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) (limited to 'src/mesa') 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". + */ } -- cgit v1.2.3