GL_NV_explicit_multisample http://www.opengl.org/registry/specs/NV/explicit_multisample.txt GL_NV_explicit_multisample GL_SAMPLE_POSITION_NV 0x8E50 GL_SAMPLE_MASK_NV 0x8E51 GL_SAMPLE_MASK_VALUE_NV 0x8E52 GL_TEXTURE_BINDING_RENDERBUFFER_NV 0x8E53 GL_TEXTURE_RENDERBUFFER_DATA_STORE_BINDING_NV 0x8E54 GL_TEXTURE_RENDERBUFFER_NV 0x8E55 GL_SAMPLER_RENDERBUFFER_NV 0x8E56 GL_INT_SAMPLER_RENDERBUFFER_NV 0x8E57 GL_UNSIGNED_INT_SAMPLER_RENDERBUFFER_NV 0x8E58 GL_MAX_SAMPLE_MASK_WORDS_NV 0x8E59 void glGetMultisamplefvNV (GLenum pname, GLuint index, GLfloat* val) void glSampleMaskIndexedNV (GLuint index, GLbitfield mask) void glTexRenderbufferNV (GLenum target, GLuint renderbuffer)