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OPENGL: Accelerate palette lookups with shaders.

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This currently is limited to GL contexts.
This commit is contained in:
Johannes Schickel 2016-01-02 14:09:41 +01:00
parent de3846923c
commit e66e9e44d3
9 changed files with 416 additions and 3 deletions
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9
backends/graphics/opengl/context.cpp
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@ -45,6 +45,9 @@ void Context::reset() {
NPOTSupported = false;
#if !USE_FORCED_GLES && !USE_FORCED_GLES2
shadersSupported = false;
multitextureSupported = false;
framebufferObjectSupported = false;
textureRGSupported = false;
#endif
#define GL_FUNC_DEF(ret, name, param) name = nullptr;
@ -216,6 +219,12 @@ void OpenGLGraphicsManager::initializeGLContext() {
ARBVertexShader = true;
} else if (token == "GL_ARB_fragment_shader") {
ARBFragmentShader = true;
} else if (token == "GL_ARB_multitexture") {
g_context.multitextureSupported = true;
} else if (token == "GL_ARB_texture_rg") {
g_context.textureRGSupported = true;
} else if (token == "GL_EXT_framebuffer_object") {
g_context.framebufferObjectSupported = true;
#endif
}
}