Mesa (master): r600: workaround 3 comp GL_SHORT vertex attribute format on r700

[Andre Maasikas]

Module: Mesa
Branch: master
Commit: 51c438feb765cf03d1a6448295e6c62be61a5e56
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=51c438feb765cf03d1a6448295e6c62be61a5e56

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Wed Jul  7 21:32:07 2010 +0300

r600: workaround 3 comp GL_SHORT vertex attribute format on r700

guess it's a hw errata?

---

 src/mesa/drivers/dri/r600/r700_assembler.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 88d6b06..ffc2d14 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -293,7 +293,9 @@ GLuint GetSurfaceFormat(GLenum eType, GLuint nChannels, GLuint * pClient_size)
                 case 2:
                     format = FMT_16_16; break;
                 case 3:
-                    format = FMT_16_16_16; break;
+                    /* 3 comp GL_SHORT vertex format doesnt work on r700
+                       4 somehow works, test - sauerbraten  */
+                    format = FMT_16_16_16_16; break;
                 case 4:
                     format = FMT_16_16_16_16; break;
                 default: