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Fixed building for OpenGL ES 1.1 platforms

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* Added proper extension handling for `glBlendEquation` and related
  constants (required for OpenGL ES 1.1).
This commit is contained in:
Mario Liebisch 2014-04-28 21:30:22 +02:00
parent 3fa1d0e03d
commit ff869777a9
2 changed files with 9 additions and 3 deletions
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6
src/SFML/Graphics/GLExtensions.hpp
View File

@ -62,6 +62,9 @@
#define GLEXT_glClientActiveTexture glClientActiveTexture
#define GLEXT_glActiveTexture glActiveTexture
#define GLEXT_GL_TEXTURE0 GL_TEXTURE0
#define GLEXT_glBlendEquation glBlendEquationOES
#define GLEXT_GL_FUNC_ADD GL_FUNC_ADD_OES
#define GLEXT_GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT_OES
#else
@ -96,6 +99,9 @@
#define GLEXT_glClientActiveTexture glClientActiveTextureARB
#define GLEXT_glActiveTexture glActiveTextureARB
#define GLEXT_GL_TEXTURE0 GL_TEXTURE0_ARB
#define GLEXT_glBlendEquation glBlendEquation
#define GLEXT_GL_FUNC_ADD GL_FUNC_ADD
#define GLEXT_GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT
#endif

6
src/SFML/Graphics/RenderTarget.cpp
View File

@ -63,8 +63,8 @@ namespace
switch (blendEquation)
{
default:
case sf::BlendMode::Add: return GL_FUNC_ADD;
case sf::BlendMode::Subtract: return GL_FUNC_SUBTRACT;
case sf::BlendMode::Add: return GLEXT_GL_FUNC_ADD;
case sf::BlendMode::Subtract: return GLEXT_GL_FUNC_SUBTRACT;
}
}
}
@ -442,7 +442,7 @@ void RenderTarget::applyBlendMode(const BlendMode& mode)
}
else
{
glCheck(glBlendEquation(equationToGlConstant(mode.colorEquation)));
glCheck(GLEXT_glBlendEquation(equationToGlConstant(mode.colorEquation)));
}
m_cache.lastBlendMode = mode;