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#pragma once
#include <mbgl/util/util.hpp>
#include <mbgl/util/traits.hpp>
namespace mbgl {
using EnumType = uint32_t;
enum class GLContextMode : EnumType {
Automatic = 0,
// We can avoid redundant GL calls when it is known that the GL context is not being shared. In
// a shared GL context case, we need to make sure that the correct GL configurations are in use
// - they might have changed between render calls. If you're issuing other OpenGL calls in the
// same context (excluding uses of custom layers), then initialize the context with this flag set.
SharedState = 0b00000001,
// Vertex Array Objects bundle buffer state for faster binding and is available on most modern
// platforms. However, some older GPUs have bugs with this, and some devices don't support it
// altogether. Setting this flag allows testing without Vertex Array Objects.
DisableVAOExtension = 0b00000010,
// Some platforms support exporting compiled shader programs as binaries. This allows us to
// store them and reload the precompiled binary on subsequent loads, which typically speeds
// up initialization. However, some GPUs have trouble reloading binaries due driver bugs.
// You can explicitly disable program binaries by setting this flag.
DisableProgramBinariesExtension = 000000100,
};
MBGL_CONSTEXPR GLContextMode operator|(GLContextMode lhs, GLContextMode rhs) {
return GLContextMode(mbgl::underlying_type(lhs) | mbgl::underlying_type(rhs));
}
MBGL_CONSTEXPR GLContextMode& operator|=(GLContextMode& lhs, GLContextMode rhs) {
return (lhs = GLContextMode(mbgl::underlying_type(lhs) | mbgl::underlying_type(rhs)));
}
MBGL_CONSTEXPR bool operator&(GLContextMode lhs, GLContextMode rhs) {
return mbgl::underlying_type(lhs) & mbgl::underlying_type(rhs);
}
MBGL_CONSTEXPR GLContextMode& operator&=(GLContextMode& lhs, GLContextMode rhs) {
return (lhs = GLContextMode(mbgl::underlying_type(lhs) & mbgl::underlying_type(rhs)));
}
MBGL_CONSTEXPR GLContextMode operator~(GLContextMode value) {
return GLContextMode(~mbgl::underlying_type(value));
}
} // namespace mbgl
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