MtlUtilsPriv.h

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/*
 * Copyright 2021 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef skgpu_MtlUtilsPriv_DEFINED
#define skgpu_MtlUtilsPriv_DEFINED
 
#import <Metal/Metal.h>
 
#include "include/core/SkTextureCompressionType.h"
#include "src/gpu/PipelineUtils.h"
#include "src/sksl/codegen/SkSLMetalCodeGenerator.h"
 
namespace SkSL {
 
enum class ProgramKind : int8_t;
struct ProgramInterface;
struct ProgramSettings;
struct ShaderCaps;
 
}  // namespace SkSL
 
namespace skgpu {
 
class ShaderErrorHandler;
 
inline bool SkSLToMSL(const SkSL::ShaderCaps* caps,
                      const std::string& sksl,
                      SkSL::ProgramKind programKind,
                      const SkSL::ProgramSettings& settings,
                      std::string* msl,
                      SkSL::ProgramInterface* outInterface,
                      ShaderErrorHandler* errorHandler) {
    return SkSLToBackend(caps, &SkSL::ToMetal, "MSL",
                         sksl, programKind, settings, msl, outInterface, errorHandler);
}
 
bool MtlFormatIsDepthOrStencil(MTLPixelFormat);
bool MtlFormatIsDepth(MTLPixelFormat);
bool MtlFormatIsStencil(MTLPixelFormat);
bool MtlFormatIsCompressed(MTLPixelFormat);
 
uint32_t MtlFormatChannels(MTLPixelFormat);
 
size_t MtlFormatBytesPerBlock(MTLPixelFormat);
 
SkTextureCompressionType MtlFormatToCompressionType(MTLPixelFormat);
 
const char* MtlFormatToString(MTLPixelFormat);
 
}  // namespace skgpu
 
#endif // skgpu_MtlUtilsPriv_DEFINED