Custom blitter for final resolve.

src/xenia/gpu/gl4/blitter.h

@@ -0,0 +1,57 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_GL4_BLITTER_H_
+#define XENIA_GPU_GL4_BLITTER_H_
+
+#include <memory>
+
+#include "third_party/GL/glew.h"
+#include "third_party/GL/wglew.h"
+
+namespace xe {
+namespace gpu {
+namespace gl4 {
+
+class Blitter {
+ public:
+  Blitter();
+  ~Blitter();
+
+  bool Initialize();
+  void Shutdown();
+
+  void BlitTexture2D(GLuint src_texture, uint32_t src_x, uint32_t src_y,
+                     uint32_t src_width, uint32_t src_height, uint32_t dest_x,
+                     uint32_t dest_y, uint32_t dest_width, uint32_t dest_height,
+                     GLenum filter);
+
+  void CopyTexture2D(GLuint src_texture, uint32_t src_x, uint32_t src_y,
+                     uint32_t src_width, uint32_t src_height,
+                     uint32_t dest_texture, uint32_t dest_x, uint32_t dest_y,
+                     uint32_t dest_width, uint32_t dest_height, GLenum filter);
+
+ private:
+  void Draw(GLuint src_texture, uint32_t src_x, uint32_t src_y,
+            uint32_t src_width, uint32_t src_height, GLenum filter);
+
+  GLuint vertex_program_;
+  GLuint fragment_program_;
+  GLuint pipeline_;
+  GLuint vbo_;
+  GLuint vao_;
+  GLuint nearest_sampler_;
+  GLuint linear_sampler_;
+};
+
+}  // namespace gl4
+}  // namespace gpu
+}  // namespace xe
+
+#endif  // XENIA_GPU_GL4_BLITTER_H_