diff options
| author | Gert Wollny <[email protected]> | 2018-11-15 19:01:23 +0100 |
|---|---|---|
| committer | Gert Wollny <[email protected]> | 2018-11-19 08:05:44 +0100 |
| commit | c5363869d4971780401b21bb75083ef2518c12be (patch) | |
| tree | 53569c8efcabe26e87a824ecb61c61d7e2128cb2 | |
| parent | ebcde3454552adc6d3fea8af2207aafaba857796 (diff) | |
i965: Force zero swizzles for unused components in GL_RED and GL_RG
This makes it possible to use a hardware luminance format as RED format.
Signed-off-by: Gert Wollny <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 4 |
1 files changed, 4 insertions, 0 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 3286c222e5b..018bae98e88 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 || |