vulkan: Use VK_EXT_provoking_vertex when available

3 files changed, 12 insertions, 3 deletions

diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
index 1486d088a..f121fbf0e 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
@@ -84,6 +84,8 @@ void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d,
     early_z.Assign(regs.force_early_fragment_tests != 0 ? 1 : 0);
     depth_enabled.Assign(regs.zeta_enable != 0 ? 1 : 0);
     depth_format.Assign(static_cast<u32>(regs.zeta.format));
+    y_negate.Assign(regs.screen_y_control.y_negate != 0 ? 1 : 0);
+    provoking_vertex_last.Assign(regs.provoking_vertex_last != 0 ? 1 : 0);
 
     for (size_t i = 0; i < regs.rt.size(); ++i) {
         color_formats[i] = static_cast<u8>(regs.rt[i].format);
@@ -91,8 +93,6 @@ void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d,
     alpha_test_ref = Common::BitCast<u32>(regs.alpha_test_ref);
     point_size = Common::BitCast<u32>(regs.point_size);
 
-    y_negate.Assign(regs.screen_y_control.y_negate != 0 ? 1 : 0);
-
     if (maxwell3d.dirty.flags[Dirty::InstanceDivisors]) {
         maxwell3d.dirty.flags[Dirty::InstanceDivisors] = false;
         for (size_t index = 0; index < Maxwell::NumVertexArrays; ++index) {
diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.h b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
index 0f1eff9cd..60adae316 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.h
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
@@ -192,6 +192,7 @@ struct FixedPipelineState {
         BitField<4, 1, u32> depth_enabled;
         BitField<5, 5, u32> depth_format;
         BitField<10, 1, u32> y_negate;
+        BitField<11, 1, u32> provoking_vertex_last;
     };
     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 5c916c869..06a80c2ba 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -567,9 +567,16 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
         viewport_ci.pNext = &swizzle_ci;
     }
 
+    const VkPipelineRasterizationProvokingVertexStateCreateInfoEXT provoking_vertex{
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_PROVOKING_VERTEX_STATE_CREATE_INFO_EXT,
+        .pNext = nullptr,
+        .provokingVertexMode = key.state.provoking_vertex_last != 0
+                                   ? VK_PROVOKING_VERTEX_MODE_LAST_VERTEX_EXT
+                                   : VK_PROVOKING_VERTEX_MODE_FIRST_VERTEX_EXT,
+    };
     const VkPipelineRasterizationStateCreateInfo rasterization_ci{
         .sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
-        .pNext = nullptr,
+        .pNext = device.IsExtProvokingVertexSupported() ? &provoking_vertex : nullptr,
         .flags = 0,
         .depthClampEnable =
             static_cast<VkBool32>(key.state.depth_clamp_disabled == 0 ? VK_TRUE : VK_FALSE),
@@ -586,6 +593,7 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
         .depthBiasSlopeFactor = 0.0f,
         .lineWidth = 1.0f,
     };
+
     const VkPipelineMultisampleStateCreateInfo multisample_ci{
         .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
         .pNext = nullptr,