From: Michel Dänzer <michel.daenzer@amd.com>
Date: Thu, 29 Aug 2013 14:39:16 +0000 (+0200)
Subject: radeonsi: Expose pure integer vertex formats
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9933b85e122c233ceac7662aec5cf359f888f595;p=mesa.git

radeonsi: Expose pure integer vertex formats

Fixes 20 piglit tests with MESA_GL_VERSION_OVERRIDE=3.0.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3c4197ca548..6426033fcf9 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1630,7 +1630,12 @@ static uint32_t si_translate_vertexformat(struct pipe_screen *screen,
 		}
 		break;
 	case 32:
-		if (type != UTIL_FORMAT_TYPE_FLOAT)
+		/* From the Southern Islands ISA documentation about MTBUF:
+		 * 'Memory reads of data in memory that is 32 or 64 bits do not
+		 * undergo any format conversion.'
+		 */
+		if (type != UTIL_FORMAT_TYPE_FLOAT &&
+		    !desc->channel[first_non_void].pure_integer)
 			return V_008F0C_BUF_DATA_FORMAT_INVALID;
 
 		switch (desc->nr_channels) {