14a81ec831
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
#pragma once
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#include <mbgl/gfx/texture2d.hpp>
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#include <mbgl/mtl/mtl_fwd.hpp>
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#include <mbgl/util/image.hpp>
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#include <Foundation/NSSharedPtr.hpp>
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#include <Metal/MTLPixelFormat.hpp>
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#include <Metal/MTLTexture.hpp>
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#include <memory>
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namespace mbgl {
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namespace mtl {
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class Context;
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class RenderPass;
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class Texture2D : public gfx::Texture2D {
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public:
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Texture2D(Context& context_);
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~Texture2D() override;
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gfx::Texture2D& setSamplerConfiguration(const SamplerState&) noexcept override;
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gfx::Texture2D& setFormat(gfx::TexturePixelType, gfx::TextureChannelDataType) noexcept override;
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gfx::Texture2D& setSize(Size size_) noexcept override;
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gfx::Texture2D& setImage(std::shared_ptr<PremultipliedImage>) noexcept override;
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gfx::TexturePixelType getFormat() const noexcept override { return pixelFormat; }
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Size getSize() const noexcept override { return size; }
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size_t getDataSize() const noexcept override;
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size_t getPixelStride() const noexcept override;
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size_t numChannels() const noexcept override;
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void create() override;
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void upload(const void* pixelData, const Size& size_) override;
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void uploadSubRegion(const void* pixelData, const Size& size, uint16_t xOffset, uint16_t yOffset) noexcept override;
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void upload() override;
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bool needsUpload() const noexcept override { return !!image; };
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gfx::Texture2D& setUsage(MTL::TextureUsage usage_) noexcept;
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MTL::Texture* getMetalTexture() const noexcept;
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void updateSamplerConfiguration();
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/// @brief Bind this texture to the specified location
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/// @param renderPass Render pass on which the texture will be assign
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/// @param location Location index of texture sampler in a shader
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void bind(RenderPass& renderPass, int32_t location);
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/// @brief Unbind the texture, if it was bound
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/// @param renderPass Render pass from which the texture will be removed
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/// @param location Location index of texture sampler in a shader
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void unbind(RenderPass& renderPass, int32_t location) noexcept;
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private:
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MTL::PixelFormat getMetalPixelFormat() const noexcept;
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void createMetalTexture();
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void destroyMetalTexture() noexcept;
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Context& context;
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MTLTexturePtr metalTexture;
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MTLSamplerStatePtr metalSamplerState;
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Size size{0, 0};
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gfx::TexturePixelType pixelFormat{gfx::TexturePixelType::RGBA};
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gfx::TextureChannelDataType channelType{gfx::TextureChannelDataType::UnsignedByte};
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MTL::TextureUsage usage{MTL::TextureUsageShaderRead};
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SamplerState samplerState{};
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std::shared_ptr<PremultipliedImage> image{nullptr};
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bool textureDirty{true};
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bool samplerStateDirty{true};
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};
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} // namespace mtl
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} // namespace mbgl
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