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Applied itsnotabigtruck's fbo patch (issue #133)

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Bart van Strien
2010-12-27 14:38:33 +01:00
parent c4fe77694b
commit 54cfb3738f
1 changed files with 11 additions and 4 deletions
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src/modules/graphics/opengl/Framebuffer.cpp
+11 -4
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@@ -37,6 +37,10 @@ namespace opengl
struct FramebufferStrategyGL3 : public FramebufferStrategy {
virtual GLenum createFBO(GLuint& framebuffer, GLuint& depthbuffer, GLuint& img, int width, int height)
{
// get currently bound fbo to reset to it later
GLint current_fbo;
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_fbo);
// generate depth buffer
glGenRenderbuffers(1, &depthbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, depthbuffer);
@@ -61,8 +65,8 @@ namespace opengl
GL_RENDERBUFFER, depthbuffer);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
// unbind buffers and texture
glBindFramebuffer(GL_FRAMEBUFFER, 0);
// unbind framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, (GLuint)current_fbo);
return status;
}
virtual void deleteFBO(GLuint framebuffer, GLuint depthbuffer, GLuint img)
@@ -82,6 +86,9 @@ namespace opengl
virtual GLenum createFBO(GLuint& framebuffer, GLuint& depthbuffer, GLuint& img, int width, int height)
{
GLint current_fbo;
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING_EXT, &current_fbo);
// generate depth buffer
glGenRenderbuffersEXT(1, &depthbuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, depthbuffer);
@@ -106,8 +113,8 @@ namespace opengl
GL_RENDERBUFFER_EXT, depthbuffer);
GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
// unbind buffers and texture
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
// unbind framebuffer
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, (GLuint)current_fbo);
return status;
}