This makes it possible to use a hardware luminance format as RED format.
Signed-off-by: Gert Wollny <gert.wol...@collabora.com>
---
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 4 ++++
1 file changed, 4 insertions(+)
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 8d21cf5fa7..a9307beb36 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -420,7 +420,11 @@ brw_get_texture_swizzle(const struct gl_context *ctx,
}
break;
case GL_RED:
+ swizzles[1] = SWIZZLE_ZERO;
+ /* 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 ||
--
2.19.1
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