mirror of
https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
Alex Szpakowski
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/**
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* Copyright (c) 2006-2017 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#pragma once
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#include "image/Image.h"
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#include "image/ImageData.h"
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#include "Texture.h"
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#include "common/Optional.h"
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#include "common/StringMap.h"
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namespace love
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{
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namespace graphics
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{
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class Graphics;
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class Canvas : public Texture
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{
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public:
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static love::Type type;
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enum MipmapMode
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{
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MIPMAPS_NONE,
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MIPMAPS_MANUAL,
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MIPMAPS_AUTO,
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MIPMAPS_MAX_ENUM
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};
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struct Settings
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{
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int width = 1;
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int height = 1;
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int layers = 1; // depth for 3D textures
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MipmapMode mipmaps = MIPMAPS_NONE;
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PixelFormat format = PIXELFORMAT_NORMAL;
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TextureType type = TEXTURE_2D;
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float pixeldensity = 1.0f;
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int msaa = 0;
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OptionalBool readable;
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};
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Canvas(const Settings &settings);
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virtual ~Canvas();
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MipmapMode getMipmapMode() const;
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int getRequestedMSAA() const;
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virtual love::image::ImageData *newImageData(love::image::Image *module, int slice, int mipmap, const Rect &rect);
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virtual void generateMipmaps() = 0;
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virtual int getMSAA() const = 0;
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virtual ptrdiff_t getRenderTargetHandle() const = 0;
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void draw(Graphics *gfx, Quad *q, const Matrix4 &t) override;
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void drawLayer(Graphics *gfx, int layer, Quad *q, const Matrix4 &t) override;
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static int canvasCount;
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static bool getConstant(const char *in, MipmapMode &out);
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static bool getConstant(MipmapMode in, const char *&out);
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protected:
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Settings settings;
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private:
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static StringMap<MipmapMode, MIPMAPS_MAX_ENUM>::Entry mipmapEntries[];
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static StringMap<MipmapMode, MIPMAPS_MAX_ENUM> mipmapModes;
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}; // Canvas
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} // graphics
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} // love
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