func initMaxValues() {
gl_state.framebufferSRGBEnabled = gl.IsEnabled(gl.FRAMEBUFFER_SRGB)
gl.GetFloatv(gl.POINT_SIZE, &states.back().pointSize)
gl.GetFloatv(gl.MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy)
gl.GetIntegerv(gl.MAX_TEXTURE_SIZE, &maxTextureSize)
gl.GetIntegerv(gl.MAX_SAMPLES, &maxRenderbufferSamples)
gl.GetIntegerv(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits)
gl_state.textureCounters = make([]int, maxTextureUnits)
gl.GetIntegerv(gl.MAX_DRAW_BUFFERS, &maxRenderTargets)
var maxattachments int32
gl.GetIntegerv(gl.MAX_COLOR_ATTACHMENTS, &maxattachments)
if maxattachments < maxRenderTargets {
maxRenderTargets = maxattachments
}
}
// IsEnabled reports if cap is an enabled capability.
//
// http://www.khronos.org/opengles/sdk/docs/man3/html/glIsEnabled.xhtml
func IsEnabled(cap Enum) bool {
return gl.IsEnabled(uint32(cap))
}