src/sksl/codegen/SkSLRasterPipelineCodeGenerator.h

/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SKSL_RASTERPIPELINECODEGENERATOR
#define SKSL_RASTERPIPELINECODEGENERATOR

#include "include/core/SkTypes.h"
#include <memory>

namespace SkSL {

class FunctionDefinition;
struct Program;
class DebugTracePriv;
namespace RP { class Program; }

/**
 * Convert 'function' to Raster Pipeline stages, for use by blends, shaders, and color filters.
 * The arguments to the function are passed in registers:
 *   -- coordinates in src.rg for shaders
 *   -- color in src.rgba for color filters
 *   -- src/dst in src.rgba and dst.rgba for blenders
 *
 * Design docs for SkSL in Raster Pipeline: go/sksl-rp
 * https://docs.google.com/document/d/1GCQeAGVGHubOCbmULVdXUkNiXdw9J4umai_M5X3JGS4/edit?usp=sharing
 */
std::unique_ptr<RP::Program> MakeRasterPipelineProgram(const Program& program,
                                                       const FunctionDefinition& function,
                                                       DebugTracePriv* debugTrace = nullptr,
                                                       bool writeTraceOps = false);

}  // namespace SkSL

#endif