slang-type-system-shared.h
#ifndef SLANG_TYPE_SYSTEM_SHARED_H
#define SLANG_TYPE_SYSTEM_SHARED_H
#include "../../slang.h"
namespace Slang
{
#define FOREACH_BASE_TYPE(X) \
X(Void) \
X(Bool) \
X(Int8) \
X(Int16) \
X(Int) \
X(Int64) \
X(UInt8) \
X(UInt16) \
X(UInt) \
X(UInt64) \
X(Half) \
X(Float) \
X(Double) \
X(Char) \
X(IntPtr) \
X(UIntPtr) \
/* end */
enum class BaseType
{
#define DEFINE_BASE_TYPE(NAME) NAME,
FOREACH_BASE_TYPE(DEFINE_BASE_TYPE)
#undef DEFINE_BASE_TYPE
CountOf,
};
struct TextureFlavor
{
typedef TextureFlavor ThisType;
enum
{
// Mask for the overall "shape" of the texture
BaseShapeMask = SLANG_RESOURCE_BASE_SHAPE_MASK,
// Flag for whether the shape has "array-ness"
ArrayFlag = SLANG_TEXTURE_ARRAY_FLAG,
// Whether or not the texture stores multiple samples per pixel
MultisampleFlag = SLANG_TEXTURE_MULTISAMPLE_FLAG,
// Whether or not this is a shadow texture
//
// TODO(tfoley): is this even meaningful/used?
// ShadowFlag = 0x80,
// For feedback texture
FeedbackFlag = SLANG_TEXTURE_FEEDBACK_FLAG,
};
enum Shape : uint8_t
{
Shape1D = SLANG_TEXTURE_1D,
Shape2D = SLANG_TEXTURE_2D,
Shape3D = SLANG_TEXTURE_3D,
ShapeCube = SLANG_TEXTURE_CUBE,
ShapeBuffer = SLANG_TEXTURE_BUFFER,
Shape1DArray = Shape1D | ArrayFlag,
Shape2DArray = Shape2D | ArrayFlag,
// No Shape3DArray
ShapeCubeArray = ShapeCube | ArrayFlag,
};
enum
{
// This the total number of expressible flavors,
// which is *not* to say that every expressible
// flavor is actual valid.
Count = 0x10000,
};
uint16_t flavor;
Shape getBaseShape() const { return Shape(flavor & BaseShapeMask); }
bool isArray() const { return (flavor & ArrayFlag) != 0; }
bool isMultisample() const { return (flavor & MultisampleFlag) != 0; }
bool isFeedback() const { return (flavor & FeedbackFlag) != 0; }
// bool isShadow() const { return (flavor & ShadowFlag) != 0; }
SLANG_FORCE_INLINE bool operator==(const ThisType& rhs) const { return flavor == rhs.flavor; }
SLANG_FORCE_INLINE bool operator!=(const ThisType& rhs) const { return !(*this == rhs); }
SlangResourceShape getShape() const { return SlangResourceShape(flavor & 0xFF); }
SlangResourceAccess getAccess() const { return SlangResourceAccess((flavor >> 8) & 0xFF); }
TextureFlavor() = default;
TextureFlavor(uint32_t tag) { flavor = (uint16_t)tag; }
static TextureFlavor create(SlangResourceShape shape, SlangResourceAccess access);
static TextureFlavor create(SlangResourceShape shape, SlangResourceAccess access, int flags);
static TextureFlavor create(TextureFlavor::Shape shape, SlangResourceAccess access) { return create(SlangResourceShape(shape), access); }
static TextureFlavor create(TextureFlavor::Shape shape, SlangResourceAccess access, int flags) { return create(SlangResourceShape(shape), access, flags); }
};
enum class SamplerStateFlavor : uint8_t
{
SamplerState,
SamplerComparisonState,
};
}
#endif