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radv: do not always disable dual quad mode when chip has RbPlus

Browse source 
For GFX9+ only, RadeonSI does this too.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-03-29 14:51:20 +02:00
parent b8c06a961c
commit e4976ca33b
1 changed files with 17 additions and 3 deletions
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20
src/amd/vulkan/radv_pipeline.c
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@ -669,9 +669,23 @@ radv_pipeline_init_blend_state(struct radv_pipeline *pipeline,
blend.sx_mrt_blend_opt[i] = S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) | S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED);
}
/* disable RB+ for now */
if (pipeline->device->physical_device->has_rbplus)
blend.cb_color_control |= S_028808_DISABLE_DUAL_QUAD(1);
if (pipeline->device->physical_device->has_rbplus) {
/* Disable RB+ blend optimizations for dual source blending. */
if (blend_mrt0_is_dual_src) {
for (i = 0; i < 8; i++) {
blend.sx_mrt_blend_opt[i] =
S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_NONE) |
S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_NONE);
}
}
/* RB+ doesn't work with dual source blending, logic op and
* RESOLVE.
*/
if (blend_mrt0_is_dual_src || vkblend->logicOpEnable ||
mode == V_028808_CB_RESOLVE)
blend.cb_color_control |= S_028808_DISABLE_DUAL_QUAD(1);
}
if (blend.cb_target_mask)
blend.cb_color_control |= S_028808_MODE(mode);