Geometry shader work for rect lists and quad lists.

src/xenia/gpu/d3d11/d3d11_geometry_shader.h

@@ -0,0 +1,88 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2014 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_D3D11_D3D11_GEOMETRY_SHADER_H_
+#define XENIA_GPU_D3D11_D3D11_GEOMETRY_SHADER_H_
+
+#include <xenia/core.h>
+
+#include <alloy/string_buffer.h>
+
+#include <d3d11.h>
+
+
+namespace xe {
+namespace gpu {
+namespace d3d11 {
+
+class D3D11VertexShader;
+
+
+class D3D11GeometryShader {
+public:
+  virtual ~D3D11GeometryShader();
+
+  ID3D11GeometryShader* handle() const { return handle_; }
+
+  int Prepare(D3D11VertexShader* vertex_shader);
+
+protected:
+  D3D11GeometryShader(ID3D11Device* device, uint64_t hash);
+
+  ID3D10Blob* Compile(const char* shader_source);
+
+  virtual int Generate(D3D11VertexShader* vertex_shader,
+                       alloy::StringBuffer* output) = 0;
+
+protected:
+  ID3D11Device* device_;
+  uint64_t      hash_;
+  ID3D11GeometryShader* handle_;
+};
+
+
+class D3D11PointSpriteGeometryShader : public D3D11GeometryShader {
+public:
+  D3D11PointSpriteGeometryShader(ID3D11Device* device, uint64_t hash);
+  virtual ~D3D11PointSpriteGeometryShader();
+
+protected:
+  virtual int Generate(D3D11VertexShader* vertex_shader,
+                       alloy::StringBuffer* output);
+};
+
+
+class D3D11RectListGeometryShader : public D3D11GeometryShader {
+public:
+  D3D11RectListGeometryShader(ID3D11Device* device, uint64_t hash);
+  virtual ~D3D11RectListGeometryShader();
+
+protected:
+  virtual int Generate(D3D11VertexShader* vertex_shader,
+                       alloy::StringBuffer* output);
+};
+
+
+class D3D11QuadListGeometryShader : public D3D11GeometryShader {
+public:
+  D3D11QuadListGeometryShader(ID3D11Device* device, uint64_t hash);
+  virtual ~D3D11QuadListGeometryShader();
+
+protected:
+  virtual int Generate(D3D11VertexShader* vertex_shader,
+                       alloy::StringBuffer* output);
+};
+
+
+}  // namespace d3d11
+}  // namespace gpu
+}  // namespace xe
+
+
+#endif  // XENIA_GPU_D3D11_D3D11_SHADER_H_