1GL_AMD_draw_buffers_blend 2https://www.khronos.org/registry/OpenGL/extensions/AMD/AMD_draw_buffers_blend.txt 3GL_AMD_draw_buffers_blend 4 5 void glBlendEquationIndexedAMD (GLuint buf, GLenum mode) 6 void glBlendEquationSeparateIndexedAMD (GLuint buf, GLenum modeRGB, GLenum modeAlpha) 7 void glBlendFuncIndexedAMD (GLuint buf, GLenum src, GLenum dst) 8 void glBlendFuncSeparateIndexedAMD (GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) 9