102 lines
2.1 KiB
C++
102 lines
2.1 KiB
C++
#pragma once
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#include "engine/resource.h"
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#include "engine/stream.h"
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#include "gpu/gpu.h"
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namespace Lumix
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{
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struct IInputStream;
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struct IOutputStream;
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class Renderer;
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#pragma pack(1)
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struct TGAHeader
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{
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u8 idLength;
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u8 colourMapType;
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u8 dataType;
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u16 colourMapOrigin;
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u16 colourMapLength;
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u8 colourMapDepth;
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u16 xOrigin;
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u16 yOrigin;
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u16 width;
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u16 height;
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u8 bitsPerPixel;
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u8 imageDescriptor;
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};
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#pragma pack()
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class LUMIX_RENDERER_API Texture final : public Resource
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{
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public:
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enum class Flags : u32 {
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SRGB = 1 << 0,
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CLAMP_U = 1 << 1,
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CLAMP_V = 1 << 2,
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CLAMP_W = 1 << 3,
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POINT = 1 << 4
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};
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public:
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Texture(const Path& path, ResourceManager& resource_manager, Renderer& renderer, IAllocator& allocator);
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~Texture();
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ResourceType getType() const override { return TYPE; }
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bool create(int w, int h, gpu::TextureFormat format, const void* data, u32 size);
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void destroy();
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const u8* getData() const { return (const u8*)data.getData(); }
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u8* getData() { return (u8*)data.getMutableData(); }
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void addDataReference();
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void removeDataReference();
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void onDataUpdated(int x, int y, int w, int h);
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void save();
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void setSRGB(bool enable) { setFlags(enable ? flags | u32(Flags::SRGB) : flags & ~u32(Flags::SRGB)); }
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void setFlags(u32 flags);
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bool getFlag(Flags flag);
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void setFlag(Flags flag, bool value);
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u32 getPixelNearest(int x, int y) const;
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u32 getPixel(float x, float y) const;
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u32 getGPUFlags() const;
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static unsigned int compareTGA(IInputStream* file1, IInputStream* file2, int difference, IAllocator& allocator);
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static bool saveTGA(IOutputStream* file,
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int width,
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int height,
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int bytes_per_pixel,
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const u8* image_dest,
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bool upper_left_origin,
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const Path& path,
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IAllocator& allocator);
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static const ResourceType TYPE;
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public:
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int width;
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int height;
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int bytes_per_pixel;
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int depth;
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int layers;
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int mips;
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bool is_cubemap;
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u32 flags;
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gpu::TextureHandle handle;
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IAllocator& allocator;
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int data_reference;
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OutputMemoryStream data;
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Renderer& renderer;
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private:
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void unload() override;
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bool load(u64 size, const u8* mem) override;
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bool loadTGA(IInputStream& file);
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};
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} // namespace Lumix
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