First blood
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vladislav.khorev committed
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#include "include/FrameManager/FrameManager.h"
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#include "include/Utils/Utils.h"
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#include "include/Engine.h"
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namespace SE
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{
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//===================================================
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//================ FRAME MANAGER ====================
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//===================================================
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TFrameManager::~TFrameManager()
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{
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FreeFrameManager();
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*Console<<"ResourceManager::FrameManager deleting";
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}
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void TFrameManager::FreeFrameManager()
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{
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BOOST_FOREACH(auto& i, FrameMap)
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{
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ResourceManager->TexList.DeleteTexture(i.second.TexName);
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glDeleteRenderbuffers(1, &(i.second.DepthRenderBuffer));
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glDeleteFramebuffers(1, &(i.second.FrameBuffer));
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}
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FrameMap.clear();
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}
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cardinal TFrameManager::AddFrameRenderBuffer(const std::string& frameName,cardinal width,cardinal height)
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{
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#ifdef TARGET_ANDROID
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#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
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#endif
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#ifdef TARGET_IOS
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#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
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#endif
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if (FrameMap.count(frameName) == 0)
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{
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std::string texName = frameName + "Texture";
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cardinal texID = ResourceManager->TexList.AddEmptyTexture(texName,width,height);
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cardinal frameBuffer;
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cardinal depthRenderBuffer;
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cardinal status;
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glGenFramebuffers(1,&frameBuffer);
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glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer);
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glGenRenderbuffers(1, &depthRenderBuffer);
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glBindRenderbuffer(GL_RENDERBUFFER, depthRenderBuffer);
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#ifdef TARGET_WIN32
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height);
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#endif
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#ifdef TARGET_ANDROID
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
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#endif
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#ifdef TARGET_IOS
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
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#endif
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRenderBuffer);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texID, 0);
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status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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switch(status)
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{
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case GL_FRAMEBUFFER_COMPLETE_EXT:
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*Console<<"FrameManager:: frame buffer added: "+frameName;
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FrameMap[frameName].FrameBuffer = frameBuffer;
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FrameMap[frameName].DepthRenderBuffer = depthRenderBuffer;
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FrameMap[frameName].TexID = texID;
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FrameMap[frameName].Width = width;
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FrameMap[frameName].Height = height;
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FrameMap[frameName].TexName = texName;
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return FrameMap[frameName].FrameBuffer;
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break;
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default:
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*Console<<"FrameManager::ERROR - frame buffer can not be added correctly: "+frameName+", with error: "+tostr(status);
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ResourceManager->TexList.DeleteTexture(texName);
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glDeleteRenderbuffers(1, &depthRenderBuffer);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glDeleteFramebuffers(1, &frameBuffer);
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return 0;
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}
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}
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else
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return FrameMap[frameName].FrameBuffer;
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#ifdef TARGET_ANDROID
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#undef GL_FRAMEBUFFER_COMPLETE_EXT
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#endif
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#ifdef TARGET_IOS
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#undef GL_FRAMEBUFFER_COMPLETE_EXT
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#endif
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}
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cardinal TFrameManager::AddCubemapBuffer(const std::string& frameName,cardinal width,cardinal height)
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{
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#ifdef TARGET_ANDROID
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#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
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#endif
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#ifdef TARGET_IOS
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#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
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#endif
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if (FrameMap.count(frameName) == 0)
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{
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std::string texName = frameName + "Texture";
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cardinal texID = ResourceManager->TexList.AddEmptyCubemapTexture(texName,width,height);
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cardinal frameBuffer;
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cardinal depthRenderBuffer;
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cardinal status;
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glGenFramebuffers(1,&frameBuffer);
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glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer);
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glGenRenderbuffers(1, &depthRenderBuffer);
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glBindRenderbuffer(GL_RENDERBUFFER, depthRenderBuffer);
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#ifdef TARGET_WIN32
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height);
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#endif
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#ifdef TARGET_ANDROID
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
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#endif
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#ifdef TARGET_IOS
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glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
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#endif
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRenderBuffer);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X, texID, 0);
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//?? is it needed?
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X+1, texID, 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X+2, texID, 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X+3, texID, 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X+4, texID, 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X+5, texID, 0);
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status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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switch(status)
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{
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case GL_FRAMEBUFFER_COMPLETE_EXT:
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*Console<<"FrameManager:: frame buffer added: "+frameName;
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FrameMap[frameName].FrameBuffer = frameBuffer;
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FrameMap[frameName].DepthRenderBuffer = depthRenderBuffer;
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FrameMap[frameName].TexID = texID;
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FrameMap[frameName].Width = width;
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FrameMap[frameName].Height = height;
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FrameMap[frameName].TexName = texName;
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//return FrameMap[frameName].TexID; //That is easier
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return FrameMap[frameName].FrameBuffer;
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break;
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default:
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*Console<<"ERROR number : "+tostr(status)+endl;
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*Console<<"FrameManager::ERROR - frame buffer can not be added correctly: "+frameName;
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ResourceManager->TexList.DeleteTexture(texName);
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glDeleteRenderbuffers(1, &depthRenderBuffer);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glDeleteFramebuffers(1, &frameBuffer);
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return 0;
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}
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}
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else
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return FrameMap[frameName].FrameBuffer;
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#ifdef TARGET_ANDROID
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#undef GL_FRAMEBUFFER_COMPLETE_EXT
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#endif
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#ifdef TARGET_IOS
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#undef GL_FRAMEBUFFER_COMPLETE_EXT
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#endif
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}
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void TFrameManager::DeleteFrameRenderBuffer(const std::string& frameName)
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{
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if (FrameMap.count(frameName) > 0)
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{
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ResourceManager->TexList.DeleteTexture(FrameMap[frameName].TexName);
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glDeleteRenderbuffers(1, &(FrameMap[frameName].DepthRenderBuffer));
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glDeleteFramebuffers(1, &(FrameMap[frameName].FrameBuffer));
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FrameMap.erase(frameName);
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}
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}
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cardinal TFrameManager::AddDepthBuffer(const std::string& frameName, cardinal width, cardinal height)
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{
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#ifdef TARGET_ANDROID
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#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
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#endif
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if (FrameMap.count(frameName) == 0)
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{
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std::string texName = frameName + "Texture";
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cardinal depthTexID = ResourceManager->TexList.AddDepthTexture(texName,width,height);
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cardinal frameBuffer;
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cardinal status;
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glGenFramebuffers(1,&frameBuffer);
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glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthTexID, 0);
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#ifdef TARGET_WIN32
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glDrawBuffer(GL_NONE);
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glReadBuffer(GL_NONE);
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#endif
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status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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switch(status)
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{
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case GL_FRAMEBUFFER_COMPLETE:
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*Console<<"FrameManager:: frame buffer added: "+frameName;
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FrameMap[frameName].FrameBuffer = frameBuffer;
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FrameMap[frameName].DepthRenderBuffer = 0;
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FrameMap[frameName].TexID = depthTexID;
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FrameMap[frameName].Width = width;
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FrameMap[frameName].Height = height;
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FrameMap[frameName].TexName = texName;
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return FrameMap[frameName].FrameBuffer;
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break;
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default:
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*Console<<"FrameManager::ERROR - frame buffer can not be added correctly: "+frameName;
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ResourceManager->TexList.DeleteTexture(texName);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glDeleteFramebuffers(1, &frameBuffer);
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return 0;
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}
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}
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else
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return FrameMap[frameName].FrameBuffer;
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#ifdef TARGET_ANDROID
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#undef GL_FRAMEBUFFER_COMPLETE_EXT
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#endif
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}
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cardinal TFrameManager::GetFrameTexture(const std::string& frameName)
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{
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if (FrameMap.count(frameName) > 0)
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{
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return FrameMap[frameName].TexID;
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}
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else
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return 0;
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}
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ivec2 TFrameManager::GetFrameWidthHeight(const std::string& frameName)
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{
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if (FrameMap.count(frameName) == 0)
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{
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throw ErrorToLog("Frame "+frameName+" not found!");
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}
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return ivec2(FrameMap[frameName].Width, FrameMap[frameName].Height);
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}
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TTextureData TFrameManager::ReadFromBufferToTexData(const std::string& frameName)
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{
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TTextureData texData;
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texData.Width = FrameMap[frameName].Width;
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texData.Height = FrameMap[frameName].Height;
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texData.DataSize = texData.Width * texData.Height * 3;
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texData.Data = boost::shared_array<char>(new char[texData.DataSize]);
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boost::shared_array<char> data(new char[texData.Width * texData.Height * 4]);
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glReadPixels(0, 0, FrameMap[frameName].Width, FrameMap[frameName].Height, GL_RGBA, GL_UNSIGNED_BYTE, &data[0]);
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for (cardinal i=0; i < texData.Width; i++)
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{
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for (cardinal j=0; j < texData.Height; j++)
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{
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int x = (i * texData.Height + j) + (i * texData.Height + j) + (i * texData.Height + j);
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int y = 4 * (i * texData.Height + j);
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texData.Data[x + 2] = data[y + 2];
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texData.Data[x + 1] = data[y + 1];
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texData.Data[x + 0] = data[y + 0];
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}
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}
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return texData;
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}
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} //namespace SE
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