179 lines
6.7 KiB
C++
179 lines
6.7 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef IRR_C_SOFTWARE_DRIVER_H_INCLUDED
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#define IRR_C_SOFTWARE_DRIVER_H_INCLUDED
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#include "ITriangleRenderer.h"
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#include "CNullDriver.h"
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#include "SViewFrustum.h"
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#include "CImage.h"
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namespace irr
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{
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namespace video
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{
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class CSoftwareDriver : public CNullDriver
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{
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public:
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//! constructor
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CSoftwareDriver(const core::dimension2d<u32>& windowSize, bool fullscreen, io::IFileSystem* io, video::IImagePresenter* presenter);
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//! destructor
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virtual ~CSoftwareDriver();
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//! queries the features of the driver, returns true if feature is available
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virtual bool queryFeature(E_VIDEO_DRIVER_FEATURE feature) const IRR_OVERRIDE;
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//! Create render target.
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virtual IRenderTarget* addRenderTarget() IRR_OVERRIDE;
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//! sets transformation
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virtual void setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) IRR_OVERRIDE;
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//! sets a material
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virtual void setMaterial(const SMaterial& material) IRR_OVERRIDE;
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virtual bool setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor = SColor(255,0,0,0),
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f32 clearDepth = 1.f, u8 clearStencil = 0) IRR_OVERRIDE;
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//! sets a viewport
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virtual void setViewPort(const core::rect<s32>& area) IRR_OVERRIDE;
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virtual bool beginScene(u16 clearFlag, SColor clearColor = SColor(255,0,0,0), f32 clearDepth = 1.f, u8 clearStencil = 0,
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const SExposedVideoData& videoData = SExposedVideoData(), core::rect<s32>* sourceRect = 0) IRR_OVERRIDE;
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virtual bool endScene() IRR_OVERRIDE;
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//! Only used by the internal engine. Used to notify the driver that
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//! the window was resized.
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virtual void OnResize(const core::dimension2d<u32>& size) IRR_OVERRIDE;
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//! returns size of the current render target
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virtual const core::dimension2d<u32>& getCurrentRenderTargetSize() const IRR_OVERRIDE;
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//! draws a vertex primitive list
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virtual void drawVertexPrimitiveList(const void* vertices, u32 vertexCount,
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const void* indexList, u32 primitiveCount,
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E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) IRR_OVERRIDE;
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//! Draws a 3d line.
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virtual void draw3DLine(const core::vector3df& start,
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const core::vector3df& end, SColor color = SColor(255,255,255,255)) IRR_OVERRIDE;
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//! draws an 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
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virtual void draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
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const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect = 0,
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SColor color=SColor(255,255,255,255), bool useAlphaChannelOfTexture=false) IRR_OVERRIDE;
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//! draw an 2d rectangle
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virtual void draw2DRectangle(SColor color, const core::rect<s32>& pos,
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const core::rect<s32>* clip = 0) IRR_OVERRIDE;
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//!Draws an 2d rectangle with a gradient.
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virtual void draw2DRectangle(const core::rect<s32>& pos,
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SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
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const core::rect<s32>* clip = 0) IRR_OVERRIDE;
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//! Draws a 2d line.
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virtual void draw2DLine(const core::position2d<s32>& start,
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const core::position2d<s32>& end,
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SColor color=SColor(255,255,255,255)) IRR_OVERRIDE;
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//! Draws a single pixel
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virtual void drawPixel(u32 x, u32 y, const SColor & color) IRR_OVERRIDE;
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//! \return Returns the name of the video driver. Example: In case of the Direct3D8
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//! driver, it would return "Direct3D8.1".
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virtual const wchar_t* getName() const IRR_OVERRIDE;
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//! Returns type of video driver
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virtual E_DRIVER_TYPE getDriverType() const IRR_OVERRIDE;
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//! get color format of the current color buffer
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virtual ECOLOR_FORMAT getColorFormat() const IRR_OVERRIDE;
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//! Returns the transformation set by setTransform
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virtual const core::matrix4& getTransform(E_TRANSFORMATION_STATE state) const IRR_OVERRIDE;
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virtual ITexture* createDeviceDependentTexture(const io::path& name, IImage* image) IRR_OVERRIDE;
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virtual ITexture* createDeviceDependentTextureCubemap(const io::path& name, const core::array<IImage*>& image) IRR_OVERRIDE;
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//! Creates a render target texture.
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virtual ITexture* addRenderTargetTexture(const core::dimension2d<u32>& size,
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const io::path& name, const ECOLOR_FORMAT format = ECF_UNKNOWN) IRR_OVERRIDE;
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virtual void clearBuffers(u16 flag, SColor color = SColor(255,0,0,0), f32 depth = 1.f, u8 stencil = 0) IRR_OVERRIDE;
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//! Returns an image created from the last rendered frame.
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virtual IImage* createScreenShot(video::ECOLOR_FORMAT format=video::ECF_UNKNOWN, video::E_RENDER_TARGET target=video::ERT_FRAME_BUFFER) IRR_OVERRIDE;
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//! Returns the maximum amount of primitives (mostly vertices) which
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//! the device is able to render with one drawIndexedTriangleList
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//! call.
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virtual u32 getMaximalPrimitiveCount() const IRR_OVERRIDE;
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//! Check if the driver supports creating textures with the given color format
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virtual bool queryTextureFormat(ECOLOR_FORMAT format) const IRR_OVERRIDE;
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protected:
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//! sets a render target
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void setRenderTargetImage(video::CImage* image);
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//! sets the current Texture
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bool setActiveTexture(u32 stage, video::ITexture* texture);
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//! switches to a triangle renderer
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void switchToTriangleRenderer(ETriangleRenderer renderer);
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//! void selects the right triangle renderer based on the render states.
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void selectRightTriangleRenderer();
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//! clips a triangle agains the viewing frustum
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void clipTriangle(f32* transformedPos);
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//! draws a vertex primitive list
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void drawVertexPrimitiveList16(const void* vertices, u32 vertexCount,
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const u16* indexList, u32 primitiveCount,
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E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType);
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template<class VERTEXTYPE>
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void drawClippedIndexedTriangleListT(const VERTEXTYPE* vertices,
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s32 vertexCount, const u16* indexList, s32 triangleCount);
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video::CImage* BackBuffer;
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video::IImagePresenter* Presenter;
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void* WindowId;
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core::rect<s32>* SceneSourceRect;
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core::array<S2DVertex> TransformedPoints;
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video::ITexture* RenderTargetTexture;
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video::CImage* RenderTargetSurface;
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core::position2d<s32> Render2DTranslation;
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core::dimension2d<u32> RenderTargetSize;
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core::dimension2d<u32> ViewPortSize;
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core::matrix4 TransformationMatrix[ETS_COUNT];
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ITriangleRenderer* CurrentTriangleRenderer;
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ITriangleRenderer* TriangleRenderers[ETR_COUNT];
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ETriangleRenderer CurrentRenderer;
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IZBuffer* ZBuffer;
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video::ITexture* Texture;
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SMaterial Material;
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};
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} // end namespace video
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} // end namespace irr
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#endif
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