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Fixed framebuffer binding messed up after a call to Texture::copyToImage() on OpenGL ES

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This commit is contained in:
Laurent Gomila 2013-10-22 23:04:10 +02:00 committed by Jonathan De Wachter
parent 218c0897c8
commit 67177ce55c
2 changed files with 8 additions and 1 deletions
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2
src/SFML/Graphics/GLExtensions.hpp
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@ -48,6 +48,7 @@
#define glFramebufferTexture2D glFramebufferTexture2DOES
#define glCheckFramebufferStatus glCheckFramebufferStatusOES
#define GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
#define GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_OES
#define GL_RENDERBUFFER GL_RENDERBUFFER_OES
#define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_OES
#define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_OES
@ -75,6 +76,7 @@
#define glFramebufferTexture2D glFramebufferTexture2DEXT
#define glCheckFramebufferStatus glCheckFramebufferStatusEXT
#define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
#define GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_EXT
#define GL_RENDERBUFFER GL_RENDERBUFFER_EXT
#define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
#define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT

5
src/SFML/Graphics/Texture.cpp
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@ -274,10 +274,15 @@ Image Texture::copyToImage() const
glCheck(glGenFramebuffers(1, &frameBuffer));
if (frameBuffer)
{
GLint previousFrameBuffer;
glCheck(glGetIntegerv(GL_FRAMEBUFFER_BINDING, &previousFrameBuffer));
glCheck(glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer));
glCheck(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_texture, 0));
glCheck(glReadPixels(0, 0, m_size.x, m_size.y, GL_RGBA, GL_UNSIGNED_BYTE, &pixels[0]));
glCheck(glDeleteFramebuffers(1, &frameBuffer));
glCheck(glBindFramebuffer(GL_FRAMEBUFFER, previousFrameBuffer));
}
#else