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#pragma once
#include <mbgl/util/variant.hpp>
namespace mbgl {
namespace gl {
class StencilMode {
public:
template <uint32_t F>
struct SimpleTest {
static constexpr uint32_t func = F;
static constexpr uint32_t mask = 0;
};
template <uint32_t F>
struct MaskedTest {
static constexpr uint32_t func = F;
uint32_t mask;
};
using Never = SimpleTest<0x0200>;
using Less = MaskedTest<0x0201>;
using Equal = MaskedTest<0x0202>;
using LessEqual = MaskedTest<0x0203>;
using Greater = MaskedTest<0x0204>;
using NotEqual = MaskedTest<0x0205>;
using GreaterEqual = MaskedTest<0x0206>;
using Always = SimpleTest<0x0207>;
using Test = variant<
Never,
Less,
Equal,
LessEqual,
Greater,
NotEqual,
GreaterEqual,
Always>;
enum Op {
Zero = 0x0000,
Keep = 0x1E00,
Replace = 0x1E01,
Increment = 0x1E02,
Decrement = 0x1E03,
Invert = 0x150A,
IncrementWrap = 0x8507,
DecrementWrap = 0x8508
};
Test test;
int32_t ref;
uint32_t mask;
Op fail;
Op depthFail;
Op pass;
static StencilMode disabled() {
return StencilMode { Always(), 0, 0, Keep, Keep, Keep };
}
};
} // namespace gl
} // namespace mbgl
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