From ea038d66538975319858f792052af1d0fa997fe3 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 12 Jun 2021 05:07:52 -0300
Subject: vulkan: Add VK_EXT_vertex_input_dynamic_state support

Reduces the number of total pipelines generated on Vulkan.
Tested on Super Smash Bros. Ultimate.
---
 src/video_core/vulkan_common/vulkan_device.h    | 6 ++++++
 src/video_core/vulkan_common/vulkan_wrapper.cpp | 1 +
 src/video_core/vulkan_common/vulkan_wrapper.h   | 8 ++++++++
 3 files changed, 15 insertions(+)

(limited to 'src/video_core/vulkan_common')

diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index 37f589612..4fda472b0 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -239,6 +239,11 @@ public:
         return ext_extended_dynamic_state;
     }
 
+    /// Returns true if the device supports VK_EXT_vertex_input_dynamic_state.
+    bool IsExtVertexInputDynamicStateSupported() const {
+        return ext_vertex_input_dynamic_state;
+    }
+
     /// Returns true if the device supports VK_EXT_shader_stencil_export.
     bool IsExtShaderStencilExportSupported() const {
         return ext_shader_stencil_export;
@@ -349,6 +354,7 @@ private:
     bool ext_transform_feedback{};          ///< Support for VK_EXT_transform_feedback.
     bool ext_custom_border_color{};         ///< Support for VK_EXT_custom_border_color.
     bool ext_extended_dynamic_state{};      ///< Support for VK_EXT_extended_dynamic_state.
+    bool ext_vertex_input_dynamic_state{};  ///< Support for VK_EXT_vertex_input_dynamic_state.
     bool ext_shader_stencil_export{};       ///< Support for VK_EXT_shader_stencil_export.
     bool ext_shader_atomic_int64{};         ///< Support for VK_KHR_shader_atomic_int64.
     bool ext_provoking_vertex{};            ///< Support for VK_EXT_provoking_vertex.
diff --git a/src/video_core/vulkan_common/vulkan_wrapper.cpp b/src/video_core/vulkan_common/vulkan_wrapper.cpp
index 33fb74bfb..7e13ae8af 100644
--- a/src/video_core/vulkan_common/vulkan_wrapper.cpp
+++ b/src/video_core/vulkan_common/vulkan_wrapper.cpp
@@ -123,6 +123,7 @@ void Load(VkDevice device, DeviceDispatch& dld) noexcept {
     X(vkCmdSetPrimitiveTopologyEXT);
     X(vkCmdSetStencilOpEXT);
     X(vkCmdSetStencilTestEnableEXT);
+    X(vkCmdSetVertexInputEXT);
     X(vkCmdResolveImage);
     X(vkCreateBuffer);
     X(vkCreateBufferView);
diff --git a/src/video_core/vulkan_common/vulkan_wrapper.h b/src/video_core/vulkan_common/vulkan_wrapper.h
index 3e36d356a..6e5be1186 100644
--- a/src/video_core/vulkan_common/vulkan_wrapper.h
+++ b/src/video_core/vulkan_common/vulkan_wrapper.h
@@ -238,6 +238,7 @@ struct DeviceDispatch : InstanceDispatch {
     PFN_vkCmdSetPrimitiveTopologyEXT vkCmdSetPrimitiveTopologyEXT{};
     PFN_vkCmdSetStencilOpEXT vkCmdSetStencilOpEXT{};
     PFN_vkCmdSetStencilTestEnableEXT vkCmdSetStencilTestEnableEXT{};
+    PFN_vkCmdSetVertexInputEXT vkCmdSetVertexInputEXT{};
     PFN_vkCmdResolveImage vkCmdResolveImage{};
     PFN_vkCreateBuffer vkCreateBuffer{};
     PFN_vkCreateBufferView vkCreateBufferView{};
@@ -1203,6 +1204,13 @@ public:
         dld->vkCmdSetStencilTestEnableEXT(handle, enable ? VK_TRUE : VK_FALSE);
     }
 
+    void SetVertexInputEXT(
+        vk::Span<VkVertexInputBindingDescription2EXT> bindings,
+        vk::Span<VkVertexInputAttributeDescription2EXT> attributes) const noexcept {
+        dld->vkCmdSetVertexInputEXT(handle, bindings.size(), bindings.data(), attributes.size(),
+                                    attributes.data());
+    }
+
     void BindTransformFeedbackBuffersEXT(u32 first, u32 count, const VkBuffer* buffers,
                                          const VkDeviceSize* offsets,
                                          const VkDeviceSize* sizes) const noexcept {
-- 
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