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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <utility>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/gl_state.h"
namespace OpenGL {
void OGLTexture::Create() {
if (handle != 0)
return;
glGenTextures(1, &handle);
}
void OGLTexture::Release() {
if (handle == 0)
return;
glDeleteTextures(1, &handle);
OpenGLState::GetCurState().UnbindTexture(handle).Apply();
handle = 0;
}
void OGLSampler::Create() {
if (handle != 0)
return;
glGenSamplers(1, &handle);
}
void OGLSampler::Release() {
if (handle == 0)
return;
glDeleteSamplers(1, &handle);
OpenGLState::GetCurState().ResetSampler(handle).Apply();
handle = 0;
}
void OGLShader::Create(const char* source, GLenum type) {
if (handle != 0)
return;
if (source == nullptr)
return;
handle = GLShader::LoadShader(source, type);
}
void OGLShader::Release() {
if (handle == 0)
return;
glDeleteShader(handle);
handle = 0;
}
void OGLProgram::CreateFromSource(const char* vert_shader, const char* geo_shader,
const char* frag_shader, bool separable_program) {
OGLShader vert, geo, frag;
if (vert_shader)
vert.Create(vert_shader, GL_VERTEX_SHADER);
if (geo_shader)
geo.Create(geo_shader, GL_GEOMETRY_SHADER);
if (frag_shader)
frag.Create(frag_shader, GL_FRAGMENT_SHADER);
Create(separable_program, vert.handle, geo.handle, frag.handle);
}
void OGLProgram::Release() {
if (handle == 0)
return;
glDeleteProgram(handle);
OpenGLState::GetCurState().ResetProgram(handle).Apply();
handle = 0;
}
void OGLPipeline::Create() {
if (handle != 0)
return;
glGenProgramPipelines(1, &handle);
}
void OGLPipeline::Release() {
if (handle == 0)
return;
glDeleteProgramPipelines(1, &handle);
OpenGLState::GetCurState().ResetPipeline(handle).Apply();
handle = 0;
}
void OGLBuffer::Create() {
if (handle != 0)
return;
glGenBuffers(1, &handle);
}
void OGLBuffer::Release() {
if (handle == 0)
return;
glDeleteBuffers(1, &handle);
OpenGLState::GetCurState().ResetBuffer(handle).Apply();
handle = 0;
}
void OGLSync::Create() {
if (handle != 0)
return;
handle = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
void OGLSync::Release() {
if (handle == 0)
return;
glDeleteSync(handle);
handle = 0;
}
void OGLVertexArray::Create() {
if (handle != 0)
return;
glGenVertexArrays(1, &handle);
}
void OGLVertexArray::Release() {
if (handle == 0)
return;
glDeleteVertexArrays(1, &handle);
OpenGLState::GetCurState().ResetVertexArray(handle).Apply();
handle = 0;
}
void OGLFramebuffer::Create() {
if (handle != 0)
return;
glGenFramebuffers(1, &handle);
}
void OGLFramebuffer::Release() {
if (handle == 0)
return;
glDeleteFramebuffers(1, &handle);
OpenGLState::GetCurState().ResetFramebuffer(handle).Apply();
handle = 0;
}
} // namespace OpenGL
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