From b7bc52b5b18ac3f2d1e4ce399a701f4d272e7439 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Fri, 26 Feb 2016 12:37:04 -0800 Subject: [PATCH] anv/gen8: Emit the 3DSTATE_PS_BLEND packet --- src/intel/vulkan/gen8_pipeline.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/src/intel/vulkan/gen8_pipeline.c b/src/intel/vulkan/gen8_pipeline.c index dc15e2066c5..c9545c898f3 100644 --- a/src/intel/vulkan/gen8_pipeline.c +++ b/src/intel/vulkan/gen8_pipeline.c @@ -111,6 +111,7 @@ emit_cb_state(struct anv_pipeline *pipeline, .AlphaToOneEnable = ms_info && ms_info->alphaToOneEnable, }; + bool has_writeable_rt = false; for (uint32_t i = 0; i < info->attachmentCount; i++) { const VkPipelineColorBlendAttachmentState *a = &info->pAttachments[i]; @@ -140,6 +141,9 @@ emit_cb_state(struct anv_pipeline *pipeline, .WriteDisableBlue = !(a->colorWriteMask & VK_COLOR_COMPONENT_B_BIT), }; + if (a->colorWriteMask != 0) + has_writeable_rt = true; + /* 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 @@ -165,6 +169,25 @@ emit_cb_state(struct anv_pipeline *pipeline, blend_state.Entry[i].WriteDisableBlue = true; } + if (info->attachmentCount > 0) { + struct GENX(BLEND_STATE_ENTRY) *bs = &blend_state.Entry[0]; + + anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS_BLEND), + .AlphaToCoverageEnable = blend_state.AlphaToCoverageEnable, + .HasWriteableRT = has_writeable_rt, + .ColorBufferBlendEnable = bs->ColorBufferBlendEnable, + .SourceAlphaBlendFactor = bs->SourceAlphaBlendFactor, + .DestinationAlphaBlendFactor = + bs->DestinationAlphaBlendFactor, + .SourceBlendFactor = bs->SourceBlendFactor, + .DestinationBlendFactor = bs->DestinationBlendFactor, + .AlphaTestEnable = false, + .IndependentAlphaBlendEnable = + blend_state.IndependentAlphaBlendEnable); + } else { + anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS_BLEND)); + } + GENX(BLEND_STATE_pack)(NULL, pipeline->blend_state.map, &blend_state); if (!device->info.has_llc) anv_state_clflush(pipeline->blend_state); -- 2.30.2