1 files changed, 91 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/dxvk/dxvk_spec_const.h b/src/libs/dxvk-native-1.9.2a/src/dxvk/dxvk_spec_const.h
new file mode 100644
index 00000000..df4f041c
--- /dev/null
+++ b/src/libs/dxvk-native-1.9.2a/src/dxvk/dxvk_spec_const.h
@@ -0,0 +1,91 @@
+#pragma once
+
+#include "dxvk_limits.h"
+#include "dxvk_shader.h"
+
+namespace dxvk {
+
+  /**
+   * \briefS Specialization constant entry
+   * 
+   * Used to pass a list of user-defined
+   * specialization constants to shaders.
+   */
+  struct DxvkSpecConstant {
+    uint32_t specId;
+    uint32_t value;
+  };
+
+  
+  /**
+   * \brief Specialization constant info
+   * 
+   * Accumulates specialization constant data for
+   * constants that use non-default values.
+   */
+  class DxvkSpecConstants {
+
+  public:
+
+    DxvkSpecConstants();
+
+    ~DxvkSpecConstants();
+
+    /**
+     * \brief Sets specialization constant value
+     *
+     * If the given value is different from the constant's
+     * default value, this will store the new value and add
+     * a map entry so that it gets applied properly. Each
+     * constant may only be set once.
+     * \param [in] specId Specialization constant ID
+     * \param [in] value Specialization constant value
+     * \param [in] defaultValue Default value
+     */
+    template<typename T>
+    void set(uint32_t specId, T value, T defaultValue) {
+      if (value != defaultValue)
+        setAsUint32(specId, uint32_t(value));
+    }
+
+    /**
+     * \brief Sets specialization constant value
+     *
+     * Always passes the constant value to the driver.
+     * \param [in] specId Specialization constant ID
+     * \param [in] value Specialization constant value
+     */
+    template<typename T>
+    void set(uint32_t specId, T value) {
+      setAsUint32(specId, uint32_t(value));
+    }
+
+    /**
+     * \brief Generates specialization info structure
+     * \returns Specialization info for shader module
+     */
+    VkSpecializationInfo getSpecInfo() const;
+
+  private:
+
+    std::vector<uint32_t>                 m_data = { };
+    std::vector<VkSpecializationMapEntry> m_map  = { };
+
+    void setAsUint32(uint32_t specId, uint32_t value);
+
+  };
+
+
+  /**
+   * \brief Computes specialization constant ID
+   * 
+   * Computest the specId to use within shaders
+   * for a given pipeline specialization constant.
+   * \param [in] index Spec constant index
+   * \returns Specialization constant ID
+   */
+  inline uint32_t getSpecId(uint32_t index) {
+    return uint32_t(DxvkSpecConstantId::FirstPipelineConstant) + index;
+  }
+  
+}
+\ No newline at end of file