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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_surface_state.c10
1 files changed, 7 insertions, 3 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 018bae98e88..4daa0e2add1 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -420,11 +420,15 @@ brw_get_texture_swizzle(const struct gl_context *ctx,
}
break;
case GL_RED:
- swizzles[1] = SWIZZLE_ZERO;
+ if (img->TexFormat == MESA_FORMAT_R_SRGB8) {
+ swizzles[0] = SWIZZLE_X;
+ swizzles[1] = SWIZZLE_ZERO;
+ swizzles[2] = SWIZZLE_ZERO;
+ swizzles[3] = SWIZZLE_ONE;
+ break;
+ }
/* fallthrough */
case GL_RG:
- swizzles[2] = SWIZZLE_ZERO;
- /* fallthrough */
case GL_RGB:
if (_mesa_get_format_bits(img->TexFormat, GL_ALPHA_BITS) > 0 ||
img->TexFormat == MESA_FORMAT_RGB_DXT1 ||