mirror of https://github.com/axmolengine/axmol.git
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
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//
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// Created by NiTe Luo on 10/31/13.
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//
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#include "Renderer.h"
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#include "CCGL.h"
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#include "ccMacros.h"
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#include "CCShaderCache.h"
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#include "ccGLStateCache.h"
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#include "CCGLProgram.h"
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NS_CC_BEGIN
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using namespace std;
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static Renderer* s_renderer;
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Renderer *Renderer::getInstance()
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{
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if(!s_renderer)
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{
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s_renderer = new Renderer();
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}
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return s_renderer;
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}
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Renderer::Renderer()
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:_currentMaterialID(0)
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{
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_shaderProgram = ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR);
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}
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void Renderer::setOpenGLView(EGLView *newOpenGLView)
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{
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//TODO move render related logic to render
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_openGLView = newOpenGLView;
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}
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void Renderer::addRenderCommand(RenderCommand *command)
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{
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command.generateID();
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_renderQueue.push_back(command);
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}
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void Renderer::render()
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{
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//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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//Process render commands
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//1. Sort render commands based on ID
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// stable_sort(_renderQueue.begin(), _renderQueue.end());
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// sort(_renderQueue.begin(), _renderQueue.end());
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//2. Process commands
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for(vector<RenderCommand*>::iterator it = _renderQueue.begin(); it != _renderQueue.end(); ++it)
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{
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//TODO: Perform Sprite batching here
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auto command = *it;
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//Transform
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kmGLMatrixMode(KM_GL_MODELVIEW);
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kmGLLoadMatrix(command->getTransform());
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//Set Shader
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_shaderProgram->use();
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_shaderProgram->setUniformsForBuiltins();
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//Set Blend Mode
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//Set texture
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GL::bindTexture2D(command->getTextureID());
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GL::enableVertexAttribs(GL::VERTEX_ATTRIB_FLAG_POS_COLOR_TEX);
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#define kQuadSize sizeof(command->getQuad()->bl)
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long offset = (long)command->getQuad();
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// vertex
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int diff = offsetof( V3F_C4B_T2F, vertices);
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glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 3, GL_FLOAT, GL_FALSE, kQuadSize, (void*) (offset + diff));
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// texCoods
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diff = offsetof( V3F_C4B_T2F, texCoords);
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glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, kQuadSize, (void*)(offset + diff));
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// color
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diff = offsetof( V3F_C4B_T2F, colors);
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glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, kQuadSize, (void*)(offset + diff));
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glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
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CHECK_GL_ERROR_DEBUG();
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CC_INCREMENT_GL_DRAWS(1);
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kmGLLoadIdentity();
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delete command;
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}
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_renderQueue.clear();
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}
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NS_CC_END
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