diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_meta_fast_clear.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c index 499daba3b00..1f8bfdfa492 100644 --- a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c +++ b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c @@ -380,13 +380,43 @@ set_fast_clear_color(struct brw_context *brw, struct intel_mipmap_tree *mt, const union gl_color_union *color) { + union gl_color_union override_color = *color; + + /* The sampler doesn't look at the format of the surface when the fast + * clear color is used so we need to implement luminance, intensity and + * missing components manually. + */ + switch (_mesa_get_format_base_format(mt->format)) { + case GL_INTENSITY: + override_color.ui[3] = override_color.ui[0]; + /* flow through */ + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + override_color.ui[1] = override_color.ui[0]; + override_color.ui[2] = override_color.ui[0]; + break; + default: + for (int i = 0; i < 3; i++) { + if (!_mesa_format_has_color_component(mt->format, i)) + override_color.ui[i] = 0; + } + break; + } + + if (!_mesa_format_has_color_component(mt->format, 3)) { + if (_mesa_is_format_integer_color(mt->format)) + override_color.ui[3] = 1; + else + override_color.f[3] = 1.0f; + } + if (brw->gen >= 9) { - mt->gen9_fast_clear_color = *color; + mt->gen9_fast_clear_color = override_color; } else { mt->fast_clear_color_value = 0; for (int i = 0; i < 4; i++) { /* Testing for non-0 works for integer and float colors */ - if (color->f[i] != 0.0f) { + if (override_color.f[i] != 0.0f) { mt->fast_clear_color_value |= 1 << (GEN7_SURFACE_CLEAR_COLOR_SHIFT + (3 - i)); } |