[dxvk] Introduce new way to create DxvkShader objects

src/dxvk/dxvk_shader.cpp

@@ -64,7 +64,7 @@ namespace dxvk {
     m_stage.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
     m_stage.pNext = nullptr;
     m_stage.flags = 0;
-    m_stage.stage = shader->stage();
+    m_stage.stage = shader->info().stage;
     m_stage.module = VK_NULL_HANDLE;
     m_stage.pName = "main";
     m_stage.pSpecializationInfo = nullptr;
@@ -105,14 +105,44 @@ namespace dxvk {
           SpirvCodeBuffer         code,
     const DxvkShaderOptions&      options,
           DxvkShaderConstData&&   constData)
-  : m_stage(stage), m_code(code), m_interface(iface),
-    m_options(options), m_constData(std::move(constData)) {
-    // Write back resource slot infos
-    for (uint32_t i = 0; i < slotCount; i++)
-      m_slots.push_back(slotInfos[i]);
-    
-    // Gather the offsets where the binding IDs
-    // are stored so we can quickly remap them.
+  : DxvkShader(DxvkShaderCreateInfo {
+      stage, slotCount, slotInfos,
+      iface.inputSlots, iface.outputSlots,
+      iface.pushConstOffset, iface.pushConstSize,
+      uint32_t(constData.sizeInBytes()),
+      reinterpret_cast<const char*>(constData.data()),
+      options.rasterizedStream,
+      { options.xfbStrides[0], options.xfbStrides[1],
+        options.xfbStrides[2], options.xfbStrides[3] }
+    }, std::move(code)) {
+  }
+
+
+  DxvkShader::DxvkShader(
+    const DxvkShaderCreateInfo&   info,
+          SpirvCodeBuffer&&       spirv)
+  : m_info(info), m_code(spirv) {
+    m_info.resourceSlots = nullptr;
+    m_info.uniformData = nullptr;
+
+    // Copy resource binding slot infos
+    if (info.resourceSlotCount) {
+      m_slots.resize(info.resourceSlotCount);
+      for (uint32_t i = 0; i < info.resourceSlotCount; i++)
+        m_slots[i] = info.resourceSlots[i];
+      m_info.resourceSlots = m_slots.data();
+    }
+
+    // Copy uniform buffer data
+    if (info.uniformSize) {
+      m_uniformData.resize(info.uniformSize);
+      std::memcpy(m_uniformData.data(), info.uniformData, info.uniformSize);
+      m_info.uniformData = m_uniformData.data();
+    }
+
+    // Run an analysis pass over the SPIR-V code to gather some
+    // info that we may need during pipeline compilation.
+    SpirvCodeBuffer code = std::move(spirv);
     uint32_t o1VarId = 0;
     
     for (auto ins : code) {
@@ -147,8 +177,8 @@ namespace dxvk {
       }
     }
   }
-  
-  
+
+
   DxvkShader::~DxvkShader() {
     
   }
@@ -157,12 +187,12 @@ namespace dxvk {
   void DxvkShader::defineResourceSlots(
           DxvkDescriptorSlotMapping& mapping) const {
     for (const auto& slot : m_slots)
-      mapping.defineSlot(m_stage, slot);
+      mapping.defineSlot(m_info.stage, slot);
     
-    if (m_interface.pushConstSize) {
-      mapping.definePushConstRange(m_stage,
-        m_interface.pushConstOffset,
-        m_interface.pushConstSize);
+    if (m_info.pushConstSize) {
+      mapping.definePushConstRange(m_info.stage,
+        m_info.pushConstOffset,
+        m_info.pushConstSize);
     }
   }
   

src/dxvk/dxvk_shader.h

@@ -117,6 +117,31 @@ namespace dxvk {
   };
 
 
+  /**
+   * \brief Shader info
+   */
+  struct DxvkShaderCreateInfo {
+    /// Shader stage
+    VkShaderStageFlagBits stage;
+    /// Descriptor info
+    uint32_t resourceSlotCount = 0;
+    const DxvkResourceSlot* resourceSlots = nullptr;
+    /// Input and output register mask
+    uint32_t inputMask = 0;
+    uint32_t outputMask = 0;
+    /// Push constant range
+    uint32_t pushConstOffset = 0;
+    uint32_t pushConstSize = 0;
+    /// Uniform buffer data
+    uint32_t uniformSize = 0;
+    const char* uniformData = nullptr;
+    /// Rasterized stream, or -1
+    int32_t xfbRasterizedStream = 0;
+    /// Transform feedback vertex strides
+    uint32_t xfbStrides[MaxNumXfbBuffers] = { };
+  };
+
+
   /**
    * \brief Shader module create info
    */
@@ -146,15 +171,27 @@ namespace dxvk {
             SpirvCodeBuffer         code,
       const DxvkShaderOptions&      options,
             DxvkShaderConstData&&   constData);
-    
+
+    DxvkShader(
+      const DxvkShaderCreateInfo&   info,
+            SpirvCodeBuffer&&       spirv);
+
     ~DxvkShader();
     
+    /**
+     * \brief Shader info
+     * \returns Shader info
+     */
+    const DxvkShaderCreateInfo& info() const {
+      return m_info;
+    }
+
     /**
      * \brief Shader stage
      * \returns Shader stage
      */
     VkShaderStageFlagBits stage() const {
-      return m_stage;
+      return m_info.stage;
     }
     
     /**
@@ -197,7 +234,12 @@ namespace dxvk {
      * \returns Shader interface slots
      */
     DxvkInterfaceSlots interfaceSlots() const {
-      return m_interface;
+      DxvkInterfaceSlots iface = { };
+      iface.inputSlots = m_info.inputMask;
+      iface.outputSlots = m_info.outputMask;
+      iface.pushConstOffset = m_info.pushConstOffset;
+      iface.pushConstSize = m_info.pushConstSize;
+      return iface;
     }
 
     /**
@@ -205,7 +247,11 @@ namespace dxvk {
      * \returns Shader options
      */
     DxvkShaderOptions shaderOptions() const {
-      return m_options;
+      DxvkShaderOptions options = { };
+      options.rasterizedStream = m_info.xfbRasterizedStream;
+      for (uint32_t i = 0; i < MaxNumXfbBuffers; i++)
+        options.xfbStrides[i] = m_info.xfbStrides[i];
+      return options;
     }
 
     /**
@@ -216,8 +262,11 @@ namespace dxvk {
      * shader object.
      * \returns Shader constant data
      */
-    const DxvkShaderConstData& shaderConstants() const {
-      return m_constData;
+    DxvkShaderConstData shaderConstants() const {
+      return m_info.uniformSize
+        ? DxvkShaderConstData(m_info.uniformSize / sizeof(uint32_t),
+            reinterpret_cast<const uint32_t*>(m_info.uniformData))
+        : DxvkShaderConstData();
     }
     
     /**
@@ -279,20 +328,19 @@ namespace dxvk {
     
   private:
     
-    VkShaderStageFlagBits m_stage;
-    SpirvCompressedBuffer m_code;
+    DxvkShaderCreateInfo          m_info;
+    SpirvCompressedBuffer         m_code;
     
-    std::vector<DxvkResourceSlot> m_slots;
-    std::vector<size_t>           m_idOffsets;
-    DxvkInterfaceSlots            m_interface;
     DxvkShaderFlags               m_flags;
-    DxvkShaderOptions             m_options;
-    DxvkShaderConstData           m_constData;
     DxvkShaderKey                 m_key;
     size_t                        m_hash = 0;
 
-    size_t m_o1IdxOffset = 0;
-    size_t m_o1LocOffset = 0;
+    size_t                        m_o1IdxOffset = 0;
+    size_t                        m_o1LocOffset = 0;
+
+    std::vector<DxvkResourceSlot> m_slots;
+    std::vector<char>             m_uniformData;
+    std::vector<size_t>           m_idOffsets;
 
     static void eliminateInput(SpirvCodeBuffer& code, uint32_t location);