1GL_ARB_sample_locations 2http://www.opengl.org/registry/specs/ARB/sample_locations.txt 3GL_ARB_sample_locations 4 5 GL_SAMPLE_LOCATION_ARB 0x8E50 6 GL_SAMPLE_LOCATION_SUBPIXEL_BITS_ARB 0x933D 7 GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB 0x933E 8 GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB 0x933F 9 GL_PROGRAMMABLE_SAMPLE_LOCATION_TABLE_SIZE_ARB 0x9340 10 GL_PROGRAMMABLE_SAMPLE_LOCATION_ARB 0x9341 11 GL_FRAMEBUFFER_PROGRAMMABLE_SAMPLE_LOCATIONS_ARB 0x9342 12 GL_FRAMEBUFFER_SAMPLE_LOCATION_PIXEL_GRID_ARB 0x9343 13 void glFramebufferSampleLocationsfvARB (GLenum target, GLuint start, GLsizei count, const GLfloat* v) 14 void glNamedFramebufferSampleLocationsfvARB (GLuint framebuffer, GLuint start, GLsizei count, const GLfloat* v) 15