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@ -25,11 +25,11 @@
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#include "platform.h"
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#include "graphics.h"
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PFNGLGENFRAMEBUFFERSEXTPROC oglGenFramebuffersEXT = 0;
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PFNGLBINDFRAMEBUFFEREXTPROC oglBindFramebufferEXT = 0;
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PFNGLFRAMEBUFFERTEXTURE2DEXTPROC oglFramebufferTexture2DEXT = 0;
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PFNGLDELETEFRAMEBUFFERSEXTPROC oglDeleteFramebuffersEXT = 0;
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PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC oglCheckFramebufferStatusEXT = 0;
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PFNGLGENFRAMEBUFFERSPROC oglGenFramebuffers = 0;
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PFNGLBINDFRAMEBUFFERPROC oglBindFramebuffer = 0;
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PFNGLFRAMEBUFFERTEXTURE2DPROC oglFramebufferTexture2D = 0;
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PFNGLDELETEFRAMEBUFFERSPROC oglDeleteFramebuffers = 0;
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PFNGLCHECKFRAMEBUFFERSTATUSPROC oglCheckFramebufferStatus = 0;
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FrameBuffer::FrameBuffer(int width, int height)
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{
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@ -49,24 +49,24 @@ FrameBuffer::FrameBuffer(int width, int height)
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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// use FBO ext only if supported
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if(Platform::isExtensionSupported("EXT_framebuffer_object")) {
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if(g_graphics.isExtensionSupported("ARB_framebuffer_object")) {
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m_fallbackOldImp = false;
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if(!oglGenFramebuffersEXT) {
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oglGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)Platform::getExtensionProcAddress("glGenFramebuffersEXT");
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oglBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)Platform::getExtensionProcAddress("glBindFramebufferEXT");
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oglFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)Platform::getExtensionProcAddress("glFramebufferTexture2DEXT");
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oglDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)Platform::getExtensionProcAddress("glDeleteFramebuffersEXT");
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oglCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)Platform::getExtensionProcAddress("glCheckFramebufferStatusEXT");
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if(!oglGenFramebuffers) {
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oglGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)Platform::getExtensionProcAddress("glGenFramebuffers");
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oglBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)Platform::getExtensionProcAddress("glBindFramebuffer");
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oglFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)Platform::getExtensionProcAddress("glFramebufferTexture2D");
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oglDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)Platform::getExtensionProcAddress("glDeleteFramebuffers");
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oglCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)Platform::getExtensionProcAddress("glCheckFramebufferStatus");
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}
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// generate FBO
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oglGenFramebuffersEXT(1, &m_fbo);
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oglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo);
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oglGenFramebuffers(1, &m_fbo);
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oglBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
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// attach 2D texture to this FBO
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oglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_fboTexture, 0);
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oglFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_fboTexture, 0);
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GLenum status = oglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
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GLenum status = oglCheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
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switch(status) {
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case GL_FRAMEBUFFER_COMPLETE_EXT:
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//ok
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@ -85,14 +85,14 @@ FrameBuffer::~FrameBuffer()
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{
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glDeleteTextures(1, &m_fboTexture);
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if(m_fbo)
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oglDeleteFramebuffersEXT(1, &m_fbo);
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oglDeleteFramebuffers(1, &m_fbo);
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}
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void FrameBuffer::bind()
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{
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if(!m_fallbackOldImp) {
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// bind framebuffer
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oglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo);
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oglBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
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}
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// setup framebuffer viewport
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@ -114,7 +114,7 @@ void FrameBuffer::unbind()
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{
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if(!m_fallbackOldImp) {
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// bind back buffer again
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oglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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oglBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
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glDrawBuffer(GL_BACK);
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glReadBuffer(GL_BACK);
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