Mesa (master): i965: Add support for MESA_FORMAT_RGB_FLOAT32 surfaces.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 582b06c2c689ecf23dca8abd81412ce193a04d10
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=582b06c2c689ecf23dca8abd81412ce193a04d10

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Jan 10 16:11:26 2013 -0800

i965: Add support for MESA_FORMAT_RGB_FLOAT32 surfaces.

This is for GL_ARB_texture_buffer_object_rgb32 support, but it also
causes the format to get used for float32 rgb textures as well on
Ironlake and later.  Since that came with some surprises, separate
the change from the enable commit.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_wm_surface_state.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 233cd9b..5e99592 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -365,7 +365,7 @@ brw_format_for_mesa_format(gl_format mesa_format)
 
       [MESA_FORMAT_RGBA_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT,
       [MESA_FORMAT_RGBA_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT,
-      [MESA_FORMAT_RGB_FLOAT32] = 0,
+      [MESA_FORMAT_RGB_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32_FLOAT,
       [MESA_FORMAT_RGB_FLOAT16] = 0,
       [MESA_FORMAT_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_A32_FLOAT,
       [MESA_FORMAT_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_A16_FLOAT,