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radeonsi: treat intensity render targets exactly like red 

The motivation is to simplify the Stoney RB+ code.
Intensity is already treated as red except here.

No piglit regressions.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-01-28 01:35:19 +01:00
parent f96f94966d
commit 5f0f9a5619
1 changed files with 3 additions and 1 deletions
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4
src/gallium/drivers/radeonsi/si_state.c
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@ -2097,8 +2097,10 @@ static void si_initialize_color_surface(struct si_context *sctx,
color_pitch = S_028C64_TILE_MAX(pitch);
/* Intensity is implemented as Red, so treat it that way. */
color_attrib = S_028C74_TILE_MODE_INDEX(tile_mode_index) |
S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == UTIL_FORMAT_SWIZZLE_1);
S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == UTIL_FORMAT_SWIZZLE_1 ||
util_format_is_intensity(surf->base.format));
if (rtex->resource.b.b.nr_samples > 1) {
unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples);