forked from suyu/suyu
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
|
|
#include <glad/glad.h>
|
|
|
|
#include "core/hw/gpu.h"
|
|
|
|
#include "video_core/renderer_base.h"
|
|
#include "video_core/renderer_opengl/gl_state.h"
|
|
|
|
class EmuWindow;
|
|
|
|
class RendererOpenGL : public RendererBase {
|
|
public:
|
|
|
|
RendererOpenGL();
|
|
~RendererOpenGL() override;
|
|
|
|
/// Swap buffers (render frame)
|
|
void SwapBuffers() override;
|
|
|
|
/**
|
|
* Set the emulator window to use for renderer
|
|
* @param window EmuWindow handle to emulator window to use for rendering
|
|
*/
|
|
void SetWindow(EmuWindow* window) override;
|
|
|
|
/// Initialize the renderer
|
|
void Init() override;
|
|
|
|
/// Shutdown the renderer
|
|
void ShutDown() override;
|
|
|
|
private:
|
|
/// Structure used for storing information about the textures for each 3DS screen
|
|
struct TextureInfo {
|
|
GLuint handle;
|
|
GLsizei width;
|
|
GLsizei height;
|
|
GPU::Regs::PixelFormat format;
|
|
GLenum gl_format;
|
|
GLenum gl_type;
|
|
};
|
|
|
|
void InitOpenGLObjects();
|
|
void ConfigureFramebufferTexture(TextureInfo& texture,
|
|
const GPU::Regs::FramebufferConfig& framebuffer);
|
|
void DrawScreens();
|
|
void DrawSingleScreenRotated(const TextureInfo& texture, float x, float y, float w, float h);
|
|
void UpdateFramerate();
|
|
|
|
// Loads framebuffer from emulated memory into the active OpenGL texture.
|
|
void LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig& framebuffer,
|
|
const TextureInfo& texture);
|
|
// Fills active OpenGL texture with the given RGB color.
|
|
void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b,
|
|
const TextureInfo& texture);
|
|
|
|
EmuWindow* render_window; ///< Handle to render window
|
|
|
|
int resolution_width; ///< Current resolution width
|
|
int resolution_height; ///< Current resolution height
|
|
|
|
OpenGLState state;
|
|
|
|
// OpenGL object IDs
|
|
GLuint vertex_array_handle;
|
|
GLuint vertex_buffer_handle;
|
|
GLuint program_id;
|
|
std::array<TextureInfo, 2> textures; ///< Textures for top and bottom screens respectively
|
|
// Shader uniform location indices
|
|
GLuint uniform_modelview_matrix;
|
|
GLuint uniform_color_texture;
|
|
// Shader attribute input indices
|
|
GLuint attrib_position;
|
|
GLuint attrib_tex_coord;
|
|
};
|