chromium/third_party/skia/src/gpu/ganesh/GrProgramDesc.cpp

/*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "src/gpu/ganesh/GrProgramDesc.h"

#include "include/gpu/ganesh/GrBackendSurface.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkTo.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/gpu/KeyBuilder.h"
#include "src/gpu/Swizzle.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrFragmentProcessor.h"
#include "src/gpu/ganesh/GrGeometryProcessor.h"
#include "src/gpu/ganesh/GrPipeline.h"
#include "src/gpu/ganesh/GrProcessor.h"
#include "src/gpu/ganesh/GrProgramInfo.h"
#include "src/gpu/ganesh/GrSurfaceProxy.h"
#include "src/gpu/ganesh/GrSurfaceProxyView.h"
#include "src/gpu/ganesh/GrXferProcessor.h"
#include "src/gpu/ganesh/effects/GrTextureEffect.h"

enum GrSurfaceOrigin : int;

// Currently we allow 8 bits for the class id
static constexpr uint32_t kClassIDBits = …;
static constexpr uint32_t kSamplerOrImageTypeKeyBits = …;

static inline uint16_t texture_type_key(GrTextureType type) { … }

static uint32_t sampler_key(GrTextureType textureType, const skgpu::Swizzle& swizzle,
                            const GrCaps& caps) { … }

static void add_geomproc_sampler_keys(skgpu::KeyBuilder* b,
                                      const GrGeometryProcessor& geomProc,
                                      const GrCaps& caps) { … }

/**
 * Functions which emit processor key info into the key builder.
 * For every effect, we include the effect's class ID (different for every GrProcessor subclass),
 * any information generated by the effect itself (addToKey), and some meta-information.
 * Shader code may be dependent on properties of the effect not placed in the key by the effect
 * (e.g. pixel format of textures used).
 */
static void gen_geomproc_key(const GrGeometryProcessor& geomProc,
                             const GrCaps& caps,
                             skgpu::KeyBuilder* b) { … }

static void gen_xp_key(const GrXferProcessor& xp,
                       const GrCaps& caps,
                       const GrPipeline& pipeline,
                       skgpu::KeyBuilder* b) { … }

static void gen_fp_key(const GrFragmentProcessor& fp,
                       const GrCaps& caps,
                       skgpu::KeyBuilder* b) { … }

static void gen_key(skgpu::KeyBuilder* b,
                    const GrProgramInfo& programInfo,
                    const GrCaps& caps) { … }

void GrProgramDesc::Build(GrProgramDesc* desc,
                          const GrProgramInfo& programInfo,
                          const GrCaps& caps) { … }

SkString GrProgramDesc::Describe(const GrProgramInfo& programInfo,
                                 const GrCaps& caps) { … }