[Mesa-dev] r6xx PIPE_CAP_MAX_RENDER_TARGETS

Benjamin Bellec b.bellec at gmail.com
Sun Sep 25 04:09:26 PDT 2011


Hello,

In src/gallium/drivers/r600/r600_pipe.c I saw this :
	
/* Render targets. */
case PIPE_CAP_MAX_RENDER_TARGETS:
        /* FIXME some r6xx are buggy and can only do 4 */
                return 8;

The last line of R6xx_R7xx_3D.pdf says :
4 MRT + 8-Sample Restriction
On RV610, there is a maximum of 4 enabled render targets for 8-sample
surfaces.

Is this related ?
I don't know what is 8-sample surfaces... so I don't know if the
attached fix is as simple as this.

Regards.

Benjamin Bellec
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