Mesa (master): i965: Render R16G16B16X16 as R16G16B16A16

[Anuj Phogat]

Module: Mesa
Branch: master
Commit: 79010c9a531f45d2b6740ac26f4b04c169f5dc7a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=79010c9a531f45d2b6740ac26f4b04c169f5dc7a

Author: Anuj Phogat <anuj.phogat at gmail.com>
Date:   Fri Apr 10 04:35:24 2015 -0700

i965: Render R16G16B16X16 as R16G16B16A16

This enables using _mesa_meta_pbo_TexSubImage() to upload data
to R16G16B16X16 texture. Earlier it fell back to slower paths.

Jenkins run shows no piglit regressions.

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_surface_formats.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c b/src/mesa/drivers/dri/i965/brw_surface_formats.c
index c7fb707..c5fde35 100644
--- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
+++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
@@ -590,6 +590,12 @@ brw_init_surface_formats(struct brw_context *brw)
       case BRW_SURFACEFORMAT_L16_UNORM:
          render = BRW_SURFACEFORMAT_R16_UNORM;
          break;
+      case BRW_SURFACEFORMAT_R16G16B16X16_UNORM:
+         render = BRW_SURFACEFORMAT_R16G16B16A16_UNORM;
+         break;
+      case BRW_SURFACEFORMAT_R16G16B16X16_FLOAT:
+         render = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT;
+         break;
       case BRW_SURFACEFORMAT_B8G8R8X8_UNORM:
 	 /* XRGB is handled as ARGB because the chips in this family
 	  * cannot render to XRGB targets.  This means that we have to