chromium/third_party/skia/src/gpu/graphite/render/VerticesRenderStep.cpp

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

#include "src/gpu/graphite/render/VerticesRenderStep.h"

#include "src/core/SkSLTypeShared.h"
#include "src/core/SkVertState.h"
#include "src/core/SkVerticesPriv.h"
#include "src/gpu/graphite/DrawParams.h"
#include "src/gpu/graphite/DrawTypes.h"
#include "src/gpu/graphite/DrawWriter.h"
#include "src/gpu/graphite/PipelineData.h"
#include "src/gpu/graphite/render/CommonDepthStencilSettings.h"

namespace skgpu::graphite {

namespace {

static constexpr Attribute kPositionAttr = …;
static constexpr Attribute kTexCoordAttr = …;
static constexpr Attribute kColorAttr = …;
static constexpr Attribute kSsboIndexAttr = …;

static constexpr Attribute kAttributePositionOnly[] = …;
static constexpr Attribute kAttributeColor[] = …;
static constexpr Attribute kAttributeTexCoords[] = …;
static constexpr Attribute kAttributeColorAndTexCoords[] = …;

static constexpr SkSpan<const Attribute> kAttributes[4] = {
        kAttributePositionOnly,
        kAttributeColor,
        kAttributeTexCoords,
        kAttributeColorAndTexCoords,
    };

static constexpr Varying kVaryingColor[] = …;

static constexpr SkSpan<const Varying> kVaryings[2] = {
        /*none*/  {},
        /*color*/ kVaryingColor
    };

std::string variant_name(PrimitiveType type, bool hasColor, bool hasTexCoords) { … }

}  // namespace

VerticesRenderStep::VerticesRenderStep(PrimitiveType type, bool hasColor, bool hasTexCoords)
        : … { … }

VerticesRenderStep::~VerticesRenderStep() { … }

std::string VerticesRenderStep::vertexSkSL() const { … }

const char* VerticesRenderStep::fragmentColorSkSL() const { … }

void VerticesRenderStep::writeVertices(DrawWriter* writer,
                                       const DrawParams& params,
                                       skvx::ushort2 ssboIndices) const { … }

void VerticesRenderStep::writeUniformsAndTextures(const DrawParams& params,
                                                  PipelineDataGatherer* gatherer) const { … }

}  // namespace skgpu::graphite