From 6352c5dc31edb61967156c6f2772c11f86a0ed8e Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Mon, 5 Dec 2022 12:23:56 +0100
Subject: [PATCH] Vulkan: Implement Alpha coverage
---
src/video_core/renderer_vulkan/fixed_pipeline_state.cpp | 2 ++
src/video_core/renderer_vulkan/fixed_pipeline_state.h | 2 ++
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp | 4 ++--
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
index f3f08b42c3..5864e772b1 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
@@ -93,6 +93,8 @@ void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d,
provoking_vertex_last.Assign(regs.provoking_vertex == Maxwell::ProvokingVertex::Last ? 1 : 0);
conservative_raster_enable.Assign(regs.conservative_raster_enable != 0 ? 1 : 0);
smooth_lines.Assign(regs.line_anti_alias_enable != 0 ? 1 : 0);
+ alpha_to_coverage_enabled.Assign(regs.anti_alias_alpha_control.alpha_to_coverage != 0 ? 1 : 0);
+ alpha_to_one_enabled.Assign(regs.anti_alias_alpha_control.alpha_to_one != 0 ? 1 : 0);
for (size_t i = 0; i < regs.rt.size(); ++i) {
color_formats[i] = static_cast<u8>(regs.rt[i].format);
diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.h b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
index 1afdef3293..ab79fb8f36 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.h
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
@@ -195,6 +195,8 @@ struct FixedPipelineState {
BitField<12, 1, u32> provoking_vertex_last;
BitField<13, 1, u32> conservative_raster_enable;
BitField<14, 1, u32> smooth_lines;
+ BitField<15, 1, u32> alpha_to_coverage_enabled;
+ BitField<16, 1, u32> alpha_to_one_enabled;
};
std::array<u8, Maxwell::NumRenderTargets> color_formats;
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
index e77a57a4a3..006128638d 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -714,8 +714,8 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
.sampleShadingEnable = VK_FALSE,
.minSampleShading = 0.0f,
.pSampleMask = nullptr,
- .alphaToCoverageEnable = VK_FALSE,
- .alphaToOneEnable = VK_FALSE,
+ .alphaToCoverageEnable = key.state.alpha_to_coverage_enabled != 0 ? VK_TRUE : VK_FALSE,
+ .alphaToOneEnable = key.state.alpha_to_one_enabled != 0 ? VK_TRUE : VK_FALSE,
};
const VkPipelineDepthStencilStateCreateInfo depth_stencil_ci{
.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,