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-rw-r--r--src/intel/vulkan/gen7_pipeline.c88
1 files changed, 45 insertions, 43 deletions
diff --git a/src/intel/vulkan/gen7_pipeline.c b/src/intel/vulkan/gen7_pipeline.c
index c356fed7d68..7d283f18f40 100644
--- a/src/intel/vulkan/gen7_pipeline.c
+++ b/src/intel/vulkan/gen7_pipeline.c
@@ -123,50 +123,52 @@ gen7_emit_cb_state(struct anv_pipeline *pipeline,
.WriteDisableGreen = true,
.WriteDisableBlue = true);
} else {
- /* FIXME-GEN7: All render targets share blend state settings on gen7, we
- * can't implement this.
- */
const VkPipelineColorBlendAttachmentState *a = &info->pAttachments[0];
- pipeline->blend_state =
- anv_state_pool_emit(&device->dynamic_state_pool,
- GENX(BLEND_STATE), 64,
-
- .ColorBufferBlendEnable = a->blendEnable,
- .IndependentAlphaBlendEnable = true, /* FIXME: yes? */
- .AlphaBlendFunction = vk_to_gen_blend_op[a->alphaBlendOp],
-
- .SourceAlphaBlendFactor = vk_to_gen_blend[a->srcAlphaBlendFactor],
- .DestinationAlphaBlendFactor = vk_to_gen_blend[a->dstAlphaBlendFactor],
-
- .ColorBlendFunction = vk_to_gen_blend_op[a->colorBlendOp],
- .SourceBlendFactor = vk_to_gen_blend[a->srcColorBlendFactor],
- .DestinationBlendFactor = vk_to_gen_blend[a->dstColorBlendFactor],
- .AlphaToCoverageEnable = ms_info && ms_info->alphaToCoverageEnable,
-
-# if 0
- bool AlphaToOneEnable;
- bool AlphaToCoverageDitherEnable;
-# endif
-
- .WriteDisableAlpha = !(a->colorWriteMask & VK_COLOR_COMPONENT_A_BIT),
- .WriteDisableRed = !(a->colorWriteMask & VK_COLOR_COMPONENT_R_BIT),
- .WriteDisableGreen = !(a->colorWriteMask & VK_COLOR_COMPONENT_G_BIT),
- .WriteDisableBlue = !(a->colorWriteMask & VK_COLOR_COMPONENT_B_BIT),
-
- .LogicOpEnable = info->logicOpEnable,
- .LogicOpFunction = vk_to_gen_logic_op[info->logicOp],
-
-# if 0
- bool AlphaTestEnable;
- uint32_t AlphaTestFunction;
- bool ColorDitherEnable;
- uint32_t XDitherOffset;
- uint32_t YDitherOffset;
- uint32_t ColorClampRange;
- bool PreBlendColorClampEnable;
- bool PostBlendColorClampEnable;
-# endif
- );
+ struct GENX(BLEND_STATE) blend = {
+ .AlphaToCoverageEnable = ms_info && ms_info->alphaToCoverageEnable,
+ .AlphaToOneEnable = ms_info && ms_info->alphaToOneEnable,
+
+ .LogicOpEnable = info->logicOpEnable,
+ .LogicOpFunction = vk_to_gen_logic_op[info->logicOp],
+ .ColorBufferBlendEnable = a->blendEnable,
+ .ColorClampRange = COLORCLAMP_RTFORMAT,
+ .PreBlendColorClampEnable = true,
+ .PostBlendColorClampEnable = true,
+ .SourceBlendFactor = vk_to_gen_blend[a->srcColorBlendFactor],
+ .DestinationBlendFactor = vk_to_gen_blend[a->dstColorBlendFactor],
+ .ColorBlendFunction = vk_to_gen_blend_op[a->colorBlendOp],
+ .SourceAlphaBlendFactor = vk_to_gen_blend[a->srcAlphaBlendFactor],
+ .DestinationAlphaBlendFactor = vk_to_gen_blend[a->dstAlphaBlendFactor],
+ .AlphaBlendFunction = vk_to_gen_blend_op[a->alphaBlendOp],
+ .WriteDisableAlpha = !(a->colorWriteMask & VK_COLOR_COMPONENT_A_BIT),
+ .WriteDisableRed = !(a->colorWriteMask & VK_COLOR_COMPONENT_R_BIT),
+ .WriteDisableGreen = !(a->colorWriteMask & VK_COLOR_COMPONENT_G_BIT),
+ .WriteDisableBlue = !(a->colorWriteMask & VK_COLOR_COMPONENT_B_BIT),
+ };
+
+ /* Our hardware applies the blend factor prior to the blend function
+ * regardless of what function is used. Technically, this means the
+ * hardware can do MORE than GL or Vulkan specify. However, it also
+ * means that, for MIN and MAX, we have to stomp the blend factor to
+ * ONE to make it a no-op.
+ */
+ if (a->colorBlendOp == VK_BLEND_OP_MIN ||
+ a->colorBlendOp == VK_BLEND_OP_MAX) {
+ blend.SourceBlendFactor = BLENDFACTOR_ONE;
+ blend.DestinationBlendFactor = BLENDFACTOR_ONE;
+ }
+ if (a->alphaBlendOp == VK_BLEND_OP_MIN ||
+ a->alphaBlendOp == VK_BLEND_OP_MAX) {
+ blend.SourceAlphaBlendFactor = BLENDFACTOR_ONE;
+ blend.DestinationAlphaBlendFactor = BLENDFACTOR_ONE;
+ }
+
+ pipeline->blend_state = anv_state_pool_alloc(&device->dynamic_state_pool,
+ GENX(BLEND_STATE_length) * 4,
+ 64);
+ GENX(BLEND_STATE_pack)(NULL, pipeline->blend_state.map, &blend);
+ if (pipeline->device->info.has_llc)
+ anv_state_clflush(pipeline->blend_state);
}
anv_batch_emit(&pipeline->batch, GENX(3DSTATE_BLEND_STATE_POINTERS),