forked from suyu/suyu
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
#include <glad/glad.h>
|
|
#include "common/common_types.h"
|
|
#include "common/math_util.h"
|
|
#include "video_core/renderer_base.h"
|
|
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
|
#include "video_core/renderer_opengl/gl_state.h"
|
|
|
|
namespace Core {
|
|
class System;
|
|
}
|
|
|
|
namespace Core::Frontend {
|
|
class EmuWindow;
|
|
}
|
|
|
|
namespace Layout {
|
|
struct FramebufferLayout;
|
|
}
|
|
|
|
namespace OpenGL {
|
|
|
|
/// Structure used for storing information about the textures for the Switch screen
|
|
struct TextureInfo {
|
|
OGLTexture resource;
|
|
GLsizei width;
|
|
GLsizei height;
|
|
GLenum gl_format;
|
|
GLenum gl_type;
|
|
Tegra::FramebufferConfig::PixelFormat pixel_format;
|
|
};
|
|
|
|
/// Structure used for storing information about the display target for the Switch screen
|
|
struct ScreenInfo {
|
|
GLuint display_texture;
|
|
const Common::Rectangle<float> display_texcoords{0.0f, 0.0f, 1.0f, 1.0f};
|
|
TextureInfo texture;
|
|
};
|
|
|
|
class RendererOpenGL : public VideoCore::RendererBase {
|
|
public:
|
|
explicit RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::System& system);
|
|
~RendererOpenGL() override;
|
|
|
|
/// Swap buffers (render frame)
|
|
void SwapBuffers(
|
|
std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) override;
|
|
|
|
/// Initialize the renderer
|
|
bool Init() override;
|
|
|
|
/// Shutdown the renderer
|
|
void ShutDown() override;
|
|
|
|
private:
|
|
void InitOpenGLObjects();
|
|
void AddTelemetryFields();
|
|
void CreateRasterizer();
|
|
|
|
void ConfigureFramebufferTexture(TextureInfo& texture,
|
|
const Tegra::FramebufferConfig& framebuffer);
|
|
void DrawScreen(const Layout::FramebufferLayout& layout);
|
|
void DrawScreenTriangles(const ScreenInfo& screen_info, float x, float y, float w, float h);
|
|
void UpdateFramerate();
|
|
|
|
void CaptureScreenshot();
|
|
|
|
// Loads framebuffer from emulated memory into the display information structure
|
|
void LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
|
|
// Fills active OpenGL texture with the given RGBA color.
|
|
void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
|
|
const TextureInfo& texture);
|
|
|
|
Core::Frontend::EmuWindow& emu_window;
|
|
Core::System& system;
|
|
|
|
OpenGLState state;
|
|
|
|
// OpenGL object IDs
|
|
OGLVertexArray vertex_array;
|
|
OGLBuffer vertex_buffer;
|
|
OGLProgram shader;
|
|
OGLFramebuffer screenshot_framebuffer;
|
|
|
|
/// Display information for Switch screen
|
|
ScreenInfo screen_info;
|
|
|
|
/// OpenGL framebuffer data
|
|
std::vector<u8> gl_framebuffer_data;
|
|
|
|
// Shader uniform location indices
|
|
GLuint uniform_modelview_matrix;
|
|
GLuint uniform_color_texture;
|
|
|
|
// Shader attribute input indices
|
|
GLuint attrib_position;
|
|
GLuint attrib_tex_coord;
|
|
|
|
/// Used for transforming the framebuffer orientation
|
|
Tegra::FramebufferConfig::TransformFlags framebuffer_transform_flags;
|
|
Common::Rectangle<int> framebuffer_crop_rect;
|
|
};
|
|
|
|
} // namespace OpenGL
|