forked from suyu/suyu
278 lines
6.6 KiB
C++
278 lines
6.6 KiB
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <utility>
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#include <glad/glad.h>
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#include "common/common_types.h"
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#include "video_core/renderer_opengl/gl_shader_util.h"
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#include "video_core/renderer_opengl/gl_state.h"
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class OGLTexture : private NonCopyable {
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public:
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OGLTexture() = default;
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OGLTexture(OGLTexture&& o) {
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std::swap(handle, o.handle);
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}
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~OGLTexture() {
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Release();
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}
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OGLTexture& operator=(OGLTexture&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenTextures(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteTextures(1, &handle);
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OpenGLState::GetCurState().ResetTexture(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLSampler : private NonCopyable {
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public:
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OGLSampler() = default;
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OGLSampler(OGLSampler&& o) {
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std::swap(handle, o.handle);
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}
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~OGLSampler() {
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Release();
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}
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OGLSampler& operator=(OGLSampler&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenSamplers(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteSamplers(1, &handle);
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OpenGLState::GetCurState().ResetSampler(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLShader : private NonCopyable {
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public:
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OGLShader() = default;
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OGLShader(OGLShader&& o) {
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std::swap(handle, o.handle);
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}
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~OGLShader() {
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Release();
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}
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OGLShader& operator=(OGLShader&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create(const char* vert_shader, const char* geo_shader, const char* frag_shader,
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const std::vector<const char*>& feedback_vars = {},
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bool separable_program = false) {
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if (handle != 0)
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return;
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handle = GLShader::LoadProgram(vert_shader, geo_shader, frag_shader, feedback_vars,
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separable_program);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteProgram(handle);
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OpenGLState::GetCurState().ResetProgram(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLPipeline : private NonCopyable {
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public:
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OGLPipeline() = default;
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OGLPipeline(OGLPipeline&& o) {
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handle = std::exchange<GLuint>(o.handle, 0);
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}
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~OGLPipeline() {
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Release();
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}
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OGLPipeline& operator=(OGLPipeline&& o) {
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handle = std::exchange<GLuint>(o.handle, 0);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenProgramPipelines(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteProgramPipelines(1, &handle);
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OpenGLState::GetCurState().ResetPipeline(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLBuffer : private NonCopyable {
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public:
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OGLBuffer() = default;
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OGLBuffer(OGLBuffer&& o) {
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std::swap(handle, o.handle);
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}
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~OGLBuffer() {
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Release();
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}
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OGLBuffer& operator=(OGLBuffer&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenBuffers(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteBuffers(1, &handle);
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OpenGLState::GetCurState().ResetBuffer(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLSync : private NonCopyable {
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public:
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OGLSync() = default;
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OGLSync(OGLSync&& o) : handle(std::exchange(o.handle, nullptr)) {}
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~OGLSync() {
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Release();
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}
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OGLSync& operator=(OGLSync&& o) {
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Release();
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handle = std::exchange(o.handle, nullptr);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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handle = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteSync(handle);
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handle = 0;
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}
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GLsync handle = 0;
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};
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class OGLVertexArray : private NonCopyable {
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public:
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OGLVertexArray() = default;
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OGLVertexArray(OGLVertexArray&& o) {
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std::swap(handle, o.handle);
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}
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~OGLVertexArray() {
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Release();
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}
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OGLVertexArray& operator=(OGLVertexArray&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenVertexArrays(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteVertexArrays(1, &handle);
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OpenGLState::GetCurState().ResetVertexArray(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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class OGLFramebuffer : private NonCopyable {
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public:
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OGLFramebuffer() = default;
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OGLFramebuffer(OGLFramebuffer&& o) {
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std::swap(handle, o.handle);
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}
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~OGLFramebuffer() {
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Release();
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}
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OGLFramebuffer& operator=(OGLFramebuffer&& o) {
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std::swap(handle, o.handle);
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return *this;
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}
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/// Creates a new internal OpenGL resource and stores the handle
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void Create() {
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if (handle != 0)
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return;
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glGenFramebuffers(1, &handle);
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}
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/// Deletes the internal OpenGL resource
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void Release() {
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if (handle == 0)
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return;
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glDeleteFramebuffers(1, &handle);
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OpenGLState::GetCurState().ResetFramebuffer(handle).Apply();
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handle = 0;
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}
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GLuint handle = 0;
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};
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