irrlicht/source/Irrlicht/CSoftwareDriver2.h
cutealien 8310a3fbad Avoid warning and make local variable lower-case.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
2019-12-12 16:32:41 +00:00

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11 KiB
C++

// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_VIDEO_2_SOFTWARE_H_INCLUDED__
#define __C_VIDEO_2_SOFTWARE_H_INCLUDED__
#include "SoftwareDriver2_compile_config.h"
#include "IBurningShader.h"
#include "CNullDriver.h"
#include "CImage.h"
#include "os.h"
#include "irrString.h"
#include "SIrrCreationParameters.h"
namespace irr
{
namespace video
{
class CBurningVideoDriver : public CNullDriver
{
public:
//! constructor
CBurningVideoDriver(const irr::SIrrlichtCreationParameters& params, io::IFileSystem* io, video::IImagePresenter* presenter);
//! destructor
virtual ~CBurningVideoDriver();
//! queries the features of the driver, returns true if feature is available
virtual bool queryFeature(E_VIDEO_DRIVER_FEATURE feature) const _IRR_OVERRIDE_;
//! Create render target.
virtual IRenderTarget* addRenderTarget() _IRR_OVERRIDE_;
//! sets transformation
virtual void setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) _IRR_OVERRIDE_;
//! sets a material
virtual void setMaterial(const SMaterial& material) _IRR_OVERRIDE_;
virtual bool setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor = SColor(255,0,0,0),
f32 clearDepth = 1.f, u8 clearStencil = 0) _IRR_OVERRIDE_;
//! sets a viewport
virtual void setViewPort(const core::rect<s32>& area) _IRR_OVERRIDE_;
virtual bool beginScene(u16 clearFlag, SColor clearColor = SColor(255,0,0,0), f32 clearDepth = 1.f, u8 clearStencil = 0,
const SExposedVideoData& videoData = SExposedVideoData(), core::rect<s32>* sourceRect = 0) _IRR_OVERRIDE_;
virtual bool endScene() _IRR_OVERRIDE_;
//! Only used by the internal engine. Used to notify the driver that
//! the window was resized.
virtual void OnResize(const core::dimension2d<u32>& size) _IRR_OVERRIDE_;
//! returns size of the current render target
virtual const core::dimension2d<u32>& getCurrentRenderTargetSize() const _IRR_OVERRIDE_;
//! deletes all dynamic lights there are
virtual void deleteAllDynamicLights() _IRR_OVERRIDE_;
//! adds a dynamic light, returning an index to the light
//! \param light: the light data to use to create the light
//! \return An index to the light, or -1 if an error occurs
virtual s32 addDynamicLight(const SLight& light) _IRR_OVERRIDE_;
//! Turns a dynamic light on or off
//! \param lightIndex: the index returned by addDynamicLight
//! \param turnOn: true to turn the light on, false to turn it off
virtual void turnLightOn(s32 lightIndex, bool turnOn) _IRR_OVERRIDE_;
//! returns the maximal amount of dynamic lights the device can handle
virtual u32 getMaximalDynamicLightAmount() const _IRR_OVERRIDE_;
//! Sets the dynamic ambient light color. The default color is
//! (0,0,0,0) which means it is dark.
//! \param color: New color of the ambient light.
virtual void setAmbientLight(const SColorf& color) _IRR_OVERRIDE_;
//! draws a vertex primitive list
virtual void drawVertexPrimitiveList(const void* vertices, u32 vertexCount,
const void* indexList, u32 primitiveCount,
E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) _IRR_OVERRIDE_;
//! 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.
virtual void draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect = 0,
SColor color=SColor(255,255,255,255), bool useAlphaChannelOfTexture=false) _IRR_OVERRIDE_;
//! Draws a part of the texture into the rectangle.
virtual void draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect,
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect = 0,
const video::SColor* const colors=0, bool useAlphaChannelOfTexture=false) _IRR_OVERRIDE_;
//! Draws a 3d line.
virtual void draw3DLine(const core::vector3df& start,
const core::vector3df& end, SColor color = SColor(255,255,255,255)) _IRR_OVERRIDE_;
//! draw an 2d rectangle
virtual void draw2DRectangle(SColor color, const core::rect<s32>& pos,
const core::rect<s32>* clip = 0) _IRR_OVERRIDE_;
//!Draws an 2d rectangle with a gradient.
virtual void draw2DRectangle(const core::rect<s32>& pos,
SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
const core::rect<s32>* clip = 0) _IRR_OVERRIDE_;
//! Draws a 2d line.
virtual void draw2DLine(const core::position2d<s32>& start,
const core::position2d<s32>& end,
SColor color=SColor(255,255,255,255)) _IRR_OVERRIDE_;
//! Draws a single pixel
virtual void drawPixel(u32 x, u32 y, const SColor & color) _IRR_OVERRIDE_;
//! \return Returns the name of the video driver. Example: In case of the DirectX8
//! driver, it would return "Direct3D8.1".
virtual const wchar_t* getName() const _IRR_OVERRIDE_;
//! Returns type of video driver
virtual E_DRIVER_TYPE getDriverType() const _IRR_OVERRIDE_;
//! get color format of the current color buffer
virtual ECOLOR_FORMAT getColorFormat() const _IRR_OVERRIDE_;
//! Returns the transformation set by setTransform
virtual const core::matrix4& getTransform(E_TRANSFORMATION_STATE state) const _IRR_OVERRIDE_;
//! Creates a render target texture.
virtual ITexture* addRenderTargetTexture(const core::dimension2d<u32>& size,
const io::path& name, const ECOLOR_FORMAT format = ECF_UNKNOWN) _IRR_OVERRIDE_;
virtual void clearBuffers(u16 flag, SColor color = SColor(255,0,0,0), f32 depth = 1.f, u8 stencil = 0) _IRR_OVERRIDE_;
//! Returns an image created from the last rendered frame.
virtual IImage* createScreenShot(video::ECOLOR_FORMAT format=video::ECF_UNKNOWN, video::E_RENDER_TARGET target=video::ERT_FRAME_BUFFER) _IRR_OVERRIDE_;
//! Returns the maximum amount of primitives (mostly vertices) which
//! the device is able to render with one drawIndexedTriangleList
//! call.
virtual u32 getMaximalPrimitiveCount() const _IRR_OVERRIDE_;
//! Draws a shadow volume into the stencil buffer. To draw a stencil shadow, do
//! this: First, draw all geometry. Then use this method, to draw the shadow
//! volume. Then, use IVideoDriver::drawStencilShadow() to visualize the shadow.
virtual void drawStencilShadowVolume(const core::array<core::vector3df>& triangles, bool zfail=true, u32 debugDataVisible=0) _IRR_OVERRIDE_;
//! Fills the stencil shadow with color. After the shadow volume has been drawn
//! into the stencil buffer using IVideoDriver::drawStencilShadowVolume(), use this
//! to draw the color of the shadow.
virtual void drawStencilShadow(bool clearStencilBuffer=false,
video::SColor leftUpEdge = video::SColor(0,0,0,0),
video::SColor rightUpEdge = video::SColor(0,0,0,0),
video::SColor leftDownEdge = video::SColor(0,0,0,0),
video::SColor rightDownEdge = video::SColor(0,0,0,0)) _IRR_OVERRIDE_;
//! Returns the graphics card vendor name.
virtual core::stringc getVendorInfo() _IRR_OVERRIDE_;
//! Returns the maximum texture size supported.
virtual core::dimension2du getMaxTextureSize() const _IRR_OVERRIDE_;
//! Check if the driver supports creating textures with the given color format
virtual bool queryTextureFormat(ECOLOR_FORMAT format) const _IRR_OVERRIDE_;
IDepthBuffer * getDepthBuffer () { return DepthBuffer; }
IStencilBuffer * getStencilBuffer () { return StencilBuffer; }
protected:
//! sets a render target
void setRenderTargetImage(video::CImage* image);
//! sets the current Texture
//bool setTexture(u32 stage, video::ITexture* texture);
virtual ITexture* createDeviceDependentTexture(const io::path& name, IImage* image) _IRR_OVERRIDE_;
virtual ITexture* createDeviceDependentTextureCubemap(const io::path& name, const core::array<IImage*>& image) _IRR_OVERRIDE_;
video::CImage* BackBuffer;
video::IImagePresenter* Presenter;
void* WindowId;
core::rect<s32>* SceneSourceRect;
video::ITexture* RenderTargetTexture;
video::IImage* RenderTargetSurface;
core::dimension2d<u32> RenderTargetSize;
//! selects the right triangle renderer based on the render states.
void setCurrentShader();
IBurningShader* CurrentShader;
IBurningShader* BurningShader[ETR2_COUNT];
IDepthBuffer* DepthBuffer;
IStencilBuffer* StencilBuffer;
/*
extend Matrix Stack
-> combined CameraProjection
-> combined CameraProjectionWorld
-> ClipScale from NDC to DC Space
*/
enum E_TRANSFORMATION_STATE_BURNING_VIDEO
{
ETS_VIEW_PROJECTION = ETS_COUNT,
ETS_CURRENT,
ETS_CLIPSCALE,
ETS_VIEW_INVERSE,
ETS_WORLD_INVERSE,
ETS_COUNT_BURNING
};
enum E_TRANSFORMATION_FLAG
{
ETF_IDENTITY = 1,
ETF_TEXGEN_CAMERA_NORMAL = 2,
ETF_TEXGEN_CAMERA_REFLECTION = 4,
};
u32 TransformationFlag[ETS_COUNT_BURNING];
core::matrix4 Transformation[ETS_COUNT_BURNING];
void getCameraPosWorldSpace ();
void getLightPosObjectSpace ();
// Vertex Cache
static const SVSize vSize[];
SVertexCache VertexCache;
void VertexCache_reset (const void* vertices, u32 vertexCount,
const void* indices, u32 indexCount,
E_VERTEX_TYPE vType,scene::E_PRIMITIVE_TYPE pType,
E_INDEX_TYPE iType);
void VertexCache_get ( const s4DVertex ** face );
void VertexCache_getbypass ( s4DVertex ** face );
void VertexCache_fill ( const u32 sourceIndex,const u32 destIndex );
s4DVertex * VertexCache_getVertex ( const u32 sourceIndex );
// culling & clipping
u32 clipToHyperPlane ( s4DVertex * dest, const s4DVertex * source, u32 inCount, const sVec4 &plane );
u32 clipToFrustumTest ( const s4DVertex * v ) const;
u32 clipToFrustum ( s4DVertex *source, s4DVertex * temp, const u32 vIn );
#ifdef SOFTWARE_DRIVER_2_LIGHTING
void lightVertex ( s4DVertex *dest, u32 vertexargb );
//! Sets the fog mode.
virtual void setFog(SColor color, E_FOG_TYPE fogType, f32 start,
f32 end, f32 density, bool pixelFog, bool rangeFog) _IRR_OVERRIDE_;
#endif
// holds transformed, clipped vertices
SAlignedVertex CurrentOut;
SAlignedVertex Temp;
void ndc_2_dc_and_project ( s4DVertex *dest,s4DVertex *source, u32 vIn ) const;
f32 screenarea ( const s4DVertex *v0 ) const;
void select_polygon_mipmap ( s4DVertex *source, u32 vIn, u32 tex, const core::dimension2du& texSize ) const;
f32 texelarea ( const s4DVertex *v0, int tex ) const;
void ndc_2_dc_and_project2 ( const s4DVertex **v, const u32 size ) const;
f32 screenarea2 ( const s4DVertex **v ) const;
f32 texelarea2 ( const s4DVertex **v, int tex ) const;
void select_polygon_mipmap2 ( s4DVertex **source, u32 tex, const core::dimension2du& texSize ) const;
SBurningShaderLightSpace LightSpace;
SBurningShaderMaterial Material;
static const sVec4 NDCPlane[6];
};
} // end namespace video
} // end namespace irr
#endif