76469a0c22
Co-authored-by: Tim Sylvester <tim@wetdogweather.com> Co-authored-by: Bart Louwers <bart.louwers@gmail.com>
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
#pragma once
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#include <mbgl/gfx/types.hpp>
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#include <mbgl/gfx/vertex_attribute.hpp>
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namespace mbgl {
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namespace gfx {
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class VertexBufferResource;
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} // namespace gfx
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namespace mtl {
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class VertexAttributeArray;
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class UploadPass;
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class VertexAttribute final : public gfx::VertexAttribute {
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// Can only be created by VertexAttributeArray
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private:
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friend VertexAttributeArray;
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VertexAttribute(int index_, gfx::AttributeDataType dataType_, std::size_t count_)
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: gfx::VertexAttribute(index_, dataType_, count_, /*stride_=*/0) {}
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VertexAttribute(const VertexAttribute& other)
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: gfx::VertexAttribute(other) {}
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VertexAttribute(VertexAttribute&& other)
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: gfx::VertexAttribute(std::move(other)) {}
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public:
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~VertexAttribute() override = default;
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/// Get the Metal buffer, creating it if necessary
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// const gfx::UniqueVertexBufferResource& getBuffer(UploadPass&, const gfx::BufferUsageType);
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static const gfx::UniqueVertexBufferResource& getBuffer(gfx::VertexAttribute&,
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UploadPass&,
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const gfx::BufferUsageType);
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static std::size_t getStrideOf(gfx::AttributeDataType);
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};
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/// Stores a collection of vertex attributes by name
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class VertexAttributeArray final : public gfx::VertexAttributeArray {
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public:
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VertexAttributeArray() = default;
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VertexAttributeArray(VertexAttributeArray&& other)
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: gfx::VertexAttributeArray(std::move(other)) {}
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VertexAttributeArray& operator=(VertexAttributeArray&& other) {
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gfx::VertexAttributeArray::operator=(std::move(other));
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return *this;
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}
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VertexAttributeArray& operator=(const VertexAttributeArray& other) {
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gfx::VertexAttributeArray::operator=(other);
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return *this;
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}
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gfx::UniqueVertexAttributeArray clone() const override {
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auto newAttrs = std::make_unique<VertexAttributeArray>();
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newAttrs->copy(*this);
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return newAttrs;
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}
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private:
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gfx::UniqueVertexAttribute create(int index, gfx::AttributeDataType dataType, std::size_t count) const override {
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return gfx::UniqueVertexAttribute(new VertexAttribute(index, dataType, count));
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}
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using gfx::VertexAttributeArray::copy;
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gfx::UniqueVertexAttribute copy(const gfx::VertexAttribute& attr) const override {
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return gfx::UniqueVertexAttribute(new VertexAttribute(static_cast<const VertexAttribute&>(attr)));
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}
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};
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} // namespace mtl
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} // namespace mbgl
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