src/gpu/ganesh/GrUtil.h

/*
 * Copyright 2019 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef GrUtil_DEFINED
#define GrUtil_DEFINED

#include "include/core/SkScalar.h"
#include "include/core/SkTypes.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/core/SkSLTypeShared.h"

class GrStyle;
class SkMatrix;

enum GrIntelGpuFamily {
    kUnknown_IntelGpuFamily,

    // 6th gen
    kSandyBridge_IntelGpuFamily,

    // 7th gen
    kIvyBridge_IntelGpuFamily,
    kValleyView_IntelGpuFamily, // aka BayTrail
    kHaswell_IntelGpuFamily,

    // 8th gen
    kCherryView_IntelGpuFamily, // aka Braswell
    kBroadwell_IntelGpuFamily,

    // 9th gen
    kApolloLake_IntelGpuFamily,
    kSkyLake_IntelGpuFamily,
    kGeminiLake_IntelGpuFamily,
    kKabyLake_IntelGpuFamily,
    kCoffeeLake_IntelGpuFamily,

    // 11th gen
    kIceLake_IntelGpuFamily,
};

GrIntelGpuFamily GrGetIntelGpuFamily(uint32_t deviceID);

// Helper for determining if we can treat a thin stroke as a hairline w/ coverage.
// If we can, we draw lots faster (raster device does this same test).
bool GrIsStrokeHairlineOrEquivalent(const GrStyle&, const SkMatrix&, SkScalar* outCoverage);

static inline SkSLType SkSLCombinedSamplerTypeForTextureType(GrTextureType type) {
    switch (type) {
        case GrTextureType::k2D:
            return SkSLType::kTexture2DSampler;
        case GrTextureType::kRectangle:
            return SkSLType::kTexture2DRectSampler;
        case GrTextureType::kExternal:
            return SkSLType::kTextureExternalSampler;
        default:
            SK_ABORT("Unexpected texture type");
    }
}

#endif