GrMeshBuffers.h

Go to the documentation of this file.

/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef GrMeshBuffers_DEFINED
#define GrMeshBuffers_DEFINED
 
#include "include/core/SkRefCnt.h"
#include "include/gpu/GrDirectContext.h"
#include "include/private/base/SkAssert.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/core/SkMeshPriv.h"
#include "src/gpu/ganesh/GrGpuBuffer.h"
 
#include <cstddef>
 
template <typename Base, GrGpuBufferType> class GrMeshBuffer final : public Base {
public:
    GrMeshBuffer() = default;
 
    ~GrMeshBuffer() override;
 
    static sk_sp<Base> Make(GrDirectContext*, const void* data, size_t size);
 
    size_t size() const override {
        SkASSERT(fBuffer);
        return fBuffer->size();
    }
 
    bool isGaneshBacked() const override { return true; }
 
    sk_sp<const GrGpuBuffer> asGpuBuffer() const { return fBuffer; }
 
private:
    bool onUpdate(GrDirectContext*, const void* data, size_t offset, size_t size) override;
 
    sk_sp<GrGpuBuffer> fBuffer;
    GrDirectContext::DirectContextID fContextID;
};
 
namespace SkMeshPriv {
using GaneshIndexBuffer  = GrMeshBuffer<SkMeshPriv::IB, GrGpuBufferType::kIndex >;
using GaneshVertexBuffer = GrMeshBuffer<SkMeshPriv::VB, GrGpuBufferType::kVertex>;
}  // namespace SkMeshPriv
 
#endif