82ec59a2b0
Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: Alex Cristici <alex.cristici@gmail.com> Co-authored-by: mwilsnd <mwilsnd@gmail.com> Co-authored-by: Stefan Karschti <stefan.karschti@gmail.com> Co-authored-by: Bart Louwers <bart@emeel.net> Co-authored-by: Alex Cristici <alex@skoon.energy> Co-authored-by: Bart Louwers <bart.louwers@gmail.com> Co-authored-by: Wei Chen <alanchenboy@gmail.com> Co-authored-by: Siarhei Fedartsou <siarhei.fedartsou@gmail.com> Co-authored-by: tdcosta100 <tdcosta100@gmail.com>
53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#pragma once
|
|
|
|
#include <mbgl/util/color.hpp>
|
|
|
|
#include <array>
|
|
#include <cstdint>
|
|
|
|
#define MLN_STRINGIZE(X) #X
|
|
|
|
namespace mbgl {
|
|
namespace shaders {
|
|
|
|
enum class AttributeSource : int32_t {
|
|
Constant,
|
|
PerVertex,
|
|
Computed,
|
|
};
|
|
|
|
enum class ExpressionFunction : int32_t {
|
|
Constant,
|
|
Linear,
|
|
Exponential,
|
|
};
|
|
|
|
struct Expression {
|
|
/* 0 */ ExpressionFunction function;
|
|
/* 4 */
|
|
};
|
|
static_assert(sizeof(Expression) == 4);
|
|
|
|
struct Attribute {
|
|
/* 0 */ AttributeSource source;
|
|
/* 4 */ Expression expression;
|
|
/* 8 */
|
|
};
|
|
static_assert(sizeof(Attribute) == 8);
|
|
|
|
struct alignas(16) ExpressionInputsUBO {
|
|
// These can use uint64_t in later versions of Metal
|
|
/* 0 */ uint32_t time_lo; /// Current scene time (nanoseconds)
|
|
/* 4 */ uint32_t time_hi;
|
|
/* 8 */ uint32_t frame_lo; /// Current frame count
|
|
/* 12 */ uint32_t frame_hi;
|
|
/* 16 */ float zoom; /// Current zoom level
|
|
/* 20 */ float zoom_frac; /// double precision zoom
|
|
/* 24 */ float pad1, pad2;
|
|
/* 32 */
|
|
};
|
|
static_assert(sizeof(ExpressionInputsUBO) == 2 * 16);
|
|
|
|
} // namespace shaders
|
|
} // namespace mbgl
|