thorvg/src/renderer/gl_engine/tvgGlRenderPass.h
2024-01-02 20:34:12 +09:00

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/*
* Copyright (c) 2023 - 2024 the ThorVG project. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _TVG_GL_RENDER_PASS_H_
#define _TVG_GL_RENDER_PASS_H_
#include <memory>
#include <vector>
#include "tvgGlCommon.h"
class GlRenderTask;
class GlProgram;
class GlRenderTarget
{
public:
GlRenderTarget(uint32_t width, uint32_t height);
~GlRenderTarget();
void init(GLint resolveId);
GLuint getFboId() { return mFbo; }
GLuint getColorTexture() { return mColorTex; }
private:
uint32_t mWidth = 0;
uint32_t mHeight = 0;
GLuint mFbo = 0;
GLuint mColorTex = 0;
};
class GlRenderPass
{
public:
GlRenderPass(GlRenderTarget* fbo);
GlRenderPass(GlRenderPass&& other);
~GlRenderPass();
void addRenderTask(GlRenderTask* task);
GLuint getFboId() { return mFbo->getFboId(); }
GLuint getTextureId() { return mFbo->getColorTexture(); }
template <class T>
T* endRenderPass(GlProgram* program, GLuint targetFbo) {
return new T(program, targetFbo, mFbo->getFboId(), std::move(mTasks));
}
private:
GlRenderTarget* mFbo;
Array<GlRenderTask*> mTasks = {};
};
#endif // _TVG_GL_RENDER_PASS_H_