2014-04-09 01:04:25 +02:00
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// Copyright 2014 Citra Emulator Project
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2014-12-17 06:38:14 +01:00
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// Licensed under GPLv2 or any later version
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2014-04-09 01:04:25 +02:00
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// Refer to the license.txt file included.
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2014-04-06 22:55:39 +02:00
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#pragma once
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2018-01-11 04:43:17 +01:00
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#include <vector>
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2015-08-30 08:37:42 +02:00
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#include <glad/glad.h>
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2016-04-30 17:34:51 +02:00
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#include "common/common_types.h"
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#include "common/math_util.h"
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2014-11-13 19:33:29 +01:00
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#include "video_core/renderer_base.h"
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2016-04-17 00:57:57 +02:00
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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2015-05-19 06:21:33 +02:00
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#include "video_core/renderer_opengl/gl_state.h"
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2014-04-06 22:55:39 +02:00
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2018-08-12 02:20:19 +02:00
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namespace Core::Frontend {
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2014-08-28 20:21:54 +02:00
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class EmuWindow;
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}
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2014-08-28 20:21:54 +02:00
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2018-08-21 10:18:27 +02:00
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namespace OpenGL {
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2018-04-04 23:03:02 +02:00
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/// Structure used for storing information about the textures for the Switch screen
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2016-04-17 00:57:57 +02:00
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struct TextureInfo {
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OGLTexture resource;
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GLsizei width;
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GLsizei height;
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GLenum gl_format;
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GLenum gl_type;
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2018-03-23 02:04:30 +01:00
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Tegra::FramebufferConfig::PixelFormat pixel_format;
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2016-04-17 00:57:57 +02:00
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};
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2018-04-04 23:03:02 +02:00
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/// Structure used for storing information about the display target for the Switch screen
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2016-04-17 00:57:57 +02:00
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struct ScreenInfo {
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GLuint display_texture;
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2018-06-24 23:42:29 +02:00
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const MathUtil::Rectangle<float> display_texcoords{0.0f, 0.0f, 1.0f, 1.0f};
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2016-04-17 00:57:57 +02:00
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TextureInfo texture;
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};
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2018-06-29 20:10:16 +02:00
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/// Helper class to acquire/release OpenGL context within a given scope
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class ScopeAcquireGLContext : NonCopyable {
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public:
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2018-08-12 02:20:19 +02:00
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explicit ScopeAcquireGLContext(Core::Frontend::EmuWindow& window);
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2018-06-29 20:10:16 +02:00
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~ScopeAcquireGLContext();
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2018-08-02 02:59:42 +02:00
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private:
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2018-08-12 02:20:19 +02:00
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Core::Frontend::EmuWindow& emu_window;
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2018-06-29 20:10:16 +02:00
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};
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2018-08-03 18:55:58 +02:00
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class RendererOpenGL : public VideoCore::RendererBase {
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2014-04-06 22:55:39 +02:00
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public:
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explicit RendererOpenGL(Core::Frontend::EmuWindow& window);
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2014-08-28 10:51:57 +02:00
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~RendererOpenGL() override;
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2014-04-06 22:55:39 +02:00
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/// Swap buffers (render frame)
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2018-10-30 05:03:25 +01:00
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void SwapBuffers(
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std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) override;
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2014-04-06 22:55:39 +02:00
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/// Initialize the renderer
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2016-01-07 20:33:54 +01:00
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bool Init() override;
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2014-04-06 22:55:39 +02:00
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/// Shutdown the renderer
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2014-10-26 05:56:13 +01:00
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void ShutDown() override;
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2014-04-06 22:55:39 +02:00
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private:
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2014-08-28 11:34:47 +02:00
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void InitOpenGLObjects();
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2018-08-21 01:22:43 +02:00
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void CreateRasterizer();
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2018-03-23 02:04:30 +01:00
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void ConfigureFramebufferTexture(TextureInfo& texture,
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const Tegra::FramebufferConfig& framebuffer);
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2018-03-27 03:06:37 +02:00
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void DrawScreen();
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void DrawScreenTriangles(const ScreenInfo& screen_info, float x, float y, float w, float h);
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void UpdateFramerate();
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// Loads framebuffer from emulated memory into the display information structure
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void LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
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2018-01-15 06:20:19 +01:00
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// Fills active OpenGL texture with the given RGBA color.
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2018-01-16 19:05:21 +01:00
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void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
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const TextureInfo& texture);
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2014-04-06 22:55:39 +02:00
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2015-05-19 06:21:33 +02:00
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OpenGLState state;
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2014-08-28 20:21:54 +02:00
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// OpenGL object IDs
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2016-04-17 00:57:57 +02:00
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OGLVertexArray vertex_array;
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OGLBuffer vertex_buffer;
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2018-04-07 05:56:42 +02:00
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OGLProgram shader;
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2016-09-19 03:01:46 +02:00
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2018-01-11 04:43:17 +01:00
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/// Display information for Switch screen
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ScreenInfo screen_info;
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/// OpenGL framebuffer data
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std::vector<u8> gl_framebuffer_data;
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2014-08-28 20:21:54 +02:00
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// Shader uniform location indices
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GLuint uniform_modelview_matrix;
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GLuint uniform_color_texture;
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2016-09-19 03:01:46 +02:00
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2014-08-28 10:37:07 +02:00
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// Shader attribute input indices
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GLuint attrib_position;
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2014-08-28 20:21:54 +02:00
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GLuint attrib_tex_coord;
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2018-02-12 01:04:27 +01:00
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2018-03-23 19:59:14 +01:00
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/// Used for transforming the framebuffer orientation
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Tegra::FramebufferConfig::TransformFlags framebuffer_transform_flags;
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2018-07-18 02:11:41 +02:00
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MathUtil::Rectangle<int> framebuffer_crop_rect;
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2014-07-11 19:40:34 +02:00
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};
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2018-08-21 10:18:27 +02:00
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} // namespace OpenGL
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