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#ifndef SLANG_TEST_SHADER_INPUT_LAYOUT_H
#define SLANG_TEST_SHADER_INPUT_LAYOUT_H
#include "core/basic.h"
namespace renderer_test
{
enum class ShaderInputType
{
Buffer, Texture, Sampler, CombinedTextureSampler
};
enum class InputTextureContent
{
Zero, One, ChessBoard, Gradient
};
struct InputTextureDesc
{
int dimension = 2;
int arrayLength = 0;
bool isCube = false;
bool isDepthTexture = false;
bool isRWTexture = false;
int size = 4;
InputTextureContent content = InputTextureContent::One;
};
enum class InputBufferType
{
ConstantBuffer, StorageBuffer
};
struct InputBufferDesc
{
InputBufferType type = InputBufferType::ConstantBuffer;
int stride = 0; // stride == 0 indicates an unstructured buffer.
};
struct InputSamplerDesc
{
bool isCompareSampler = false;
};
class ShaderInputLayoutEntry
{
public:
ShaderInputType type;
Slang::List<unsigned int> bufferData;
InputTextureDesc textureDesc;
InputBufferDesc bufferDesc;
InputSamplerDesc samplerDesc;
bool isOutput = false;
int hlslBinding = -1;
Slang::List<int> glslBinding;
};
struct TextureData
{
Slang::List<Slang::List<unsigned int>> dataBuffer;
int textureSize;
int mipLevels;
int arraySize;
};
void generateTextureData(TextureData & output, const InputTextureDesc & desc);
class ShaderInputLayout
{
public:
Slang::List<ShaderInputLayoutEntry> entries;
Slang::List<Slang::String> globalTypeArguments;
int numRenderTargets = 1;
void Parse(const char * source);
};
}
#endif
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