[Mesa-dev] [PATCH] intel: fix TFP at 16-bpp

[Dave Airlie]

don't ask why I had to debug this.

tested to fix g-s and kwin at 16-bpp on Ironlake.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/mesa/drivers/dri/intel/intel_tex_image.c |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c b/src/mesa/drivers/dri/intel/intel_tex_image.c
index 1f57435..094d3cd 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -341,13 +341,18 @@ intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
    if (!rb || !rb->mt)
       return;
 
-   if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
+   if (rb->mt->cpp == 4) {
+      if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
+         internalFormat = GL_RGB;
+         texFormat = MESA_FORMAT_XRGB8888;
+      }
+      else {
+         internalFormat = GL_RGBA;
+         texFormat = MESA_FORMAT_ARGB8888;
+      }
+   } else if (rb->mt->cpp == 2) {
       internalFormat = GL_RGB;
-      texFormat = MESA_FORMAT_XRGB8888;
-   }
-   else {
-      internalFormat = GL_RGBA;
-      texFormat = MESA_FORMAT_ARGB8888;
+      texFormat = MESA_FORMAT_RGB565;
    }
 
    _mesa_lock_texture(&intel->ctx, texObj);
-- 
1.7.9.3