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irrlicht/source/Irrlicht/CNullDriver.cpp

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// Copyright (C) 2002-2009 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CNullDriver.h"
#include "os.h"
#include "CImage.h"
#include "CAttributes.h"
#include "IReadFile.h"
#include "IWriteFile.h"
#include "IImageLoader.h"
#include "IImageWriter.h"
#include "IMaterialRenderer.h"
#include "CMeshManipulator.h"
#include "CColorConverter.h"
namespace irr
{
namespace video
{
//! creates a loader which is able to load windows bitmaps
IImageLoader* createImageLoaderBMP();
//! creates a loader which is able to load jpeg images
IImageLoader* createImageLoaderJPG();
//! creates a loader which is able to load targa images
IImageLoader* createImageLoaderTGA();
//! creates a loader which is able to load psd images
IImageLoader* createImageLoaderPSD();
//! creates a loader which is able to load pcx images
IImageLoader* createImageLoaderPCX();
//! creates a loader which is able to load png images
IImageLoader* createImageLoaderPNG();
//! creates a loader which is able to load WAL images
IImageLoader* createImageLoaderWAL();
//! creates a loader which is able to load ppm/pgm/pbm images
IImageLoader* createImageLoaderPPM();
//! creates a loader which is able to load rgb images
IImageLoader* createImageLoaderRGB();
//! creates a writer which is able to save bmp images
IImageWriter* createImageWriterBMP();
//! creates a writer which is able to save jpg images
IImageWriter* createImageWriterJPG();
//! creates a writer which is able to save tga images
IImageWriter* createImageWriterTGA();
//! creates a writer which is able to save psd images
IImageWriter* createImageWriterPSD();
//! creates a writer which is able to save pcx images
IImageWriter* createImageWriterPCX();
//! creates a writer which is able to save png images
IImageWriter* createImageWriterPNG();
//! creates a writer which is able to save ppm images
IImageWriter* createImageWriterPPM();
//! constructor
CNullDriver::CNullDriver(io::IFileSystem* io, const core::dimension2d<u32>& screenSize)
: FileSystem(io), MeshManipulator(0), ViewPort(0,0,0,0), ScreenSize(screenSize),
PrimitivesDrawn(0), MinVertexCountForVBO(500), TextureCreationFlags(0),
AllowZWriteOnTransparent(false)
{
#ifdef _DEBUG
setDebugName("CNullDriver");
#endif
setFog();
setTextureCreationFlag(ETCF_ALWAYS_32_BIT, true);
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, true);
ViewPort = core::rect<s32>(core::position2d<s32>(0,0), core::dimension2di(screenSize));
// create manipulator
MeshManipulator = new scene::CMeshManipulator();
if (FileSystem)
FileSystem->grab();
// create surface loader
#ifdef _IRR_COMPILE_WITH_BMP_LOADER_
SurfaceLoader.push_back(video::createImageLoaderBMP());
#endif
#ifdef _IRR_COMPILE_WITH_JPG_LOADER_
SurfaceLoader.push_back(video::createImageLoaderJPG());
#endif
#ifdef _IRR_COMPILE_WITH_TGA_LOADER_
SurfaceLoader.push_back(video::createImageLoaderTGA());
#endif
#ifdef _IRR_COMPILE_WITH_PSD_LOADER_
SurfaceLoader.push_back(video::createImageLoaderPSD());
#endif
#ifdef _IRR_COMPILE_WITH_PCX_LOADER_
SurfaceLoader.push_back(video::createImageLoaderPCX());
#endif
#ifdef _IRR_COMPILE_WITH_PNG_LOADER_
SurfaceLoader.push_back(video::createImageLoaderPNG());
#endif
#ifdef _IRR_COMPILE_WITH_WAL_LOADER_
SurfaceLoader.push_back(video::createImageLoaderWAL());
#endif
#ifdef _IRR_COMPILE_WITH_PPM_LOADER_
SurfaceLoader.push_back(video::createImageLoaderPPM());
#endif
#ifdef _IRR_COMPILE_WITH_RGB_LOADER_
SurfaceLoader.push_back(video::createImageLoaderRGB());
#endif
#ifdef _IRR_COMPILE_WITH_BMP_WRITER_
SurfaceWriter.push_back(video::createImageWriterBMP());
#endif
#ifdef _IRR_COMPILE_WITH_JPG_WRITER_
SurfaceWriter.push_back(video::createImageWriterJPG());
#endif
#ifdef _IRR_COMPILE_WITH_TGA_WRITER_
SurfaceWriter.push_back(video::createImageWriterTGA());
#endif
#ifdef _IRR_COMPILE_WITH_PSD_WRITER_
SurfaceWriter.push_back(video::createImageWriterPSD());
#endif
#ifdef _IRR_COMPILE_WITH_PCX_WRITER_
SurfaceWriter.push_back(video::createImageWriterPCX());
#endif
#ifdef _IRR_COMPILE_WITH_PNG_WRITER_
SurfaceWriter.push_back(video::createImageWriterPNG());
#endif
#ifdef _IRR_COMPILE_WITH_PPM_WRITER_
SurfaceWriter.push_back(video::createImageWriterPPM());
#endif
// set ExposedData to 0
memset(&ExposedData, 0, sizeof(ExposedData));
for (u32 i=0; i<video::EVDF_COUNT; ++i)
FeatureEnabled[i]=true;
}
//! destructor
CNullDriver::~CNullDriver()
{
if (FileSystem)
FileSystem->drop();
if (MeshManipulator)
MeshManipulator->drop();
deleteAllTextures();
u32 i;
for (i=0; i<SurfaceLoader.size(); ++i)
SurfaceLoader[i]->drop();
for (i=0; i<SurfaceWriter.size(); ++i)
SurfaceWriter[i]->drop();
// delete material renderers
deleteMaterialRenders();
// delete hardware mesh buffers
removeAllHardwareBuffers();
}
//! Adds an external surface loader to the engine.
void CNullDriver::addExternalImageLoader(IImageLoader* loader)
{
if (!loader)
return;
loader->grab();
SurfaceLoader.push_back(loader);
}
//! Adds an external surface writer to the engine.
void CNullDriver::addExternalImageWriter(IImageWriter* writer)
{
if (!writer)
return;
writer->grab();
SurfaceWriter.push_back(writer);
}
//! Retrieve the number of image loaders
u32 CNullDriver::getImageLoaderCount() const
{
return SurfaceLoader.size();
}
//! Retrieve the given image loader
IImageLoader* CNullDriver::getImageLoader(u32 n)
{
if(n < SurfaceLoader.size())
return SurfaceLoader[n];
return 0;
}
//! Retrieve the number of image writers
u32 CNullDriver::getImageWriterCount() const
{
return SurfaceWriter.size();
}
//! Retrieve the given image writer
IImageWriter* CNullDriver::getImageWriter(u32 n)
{
if(n < SurfaceWriter.size())
return SurfaceWriter[n];
return 0;
}
//! deletes all textures
void CNullDriver::deleteAllTextures()
{
// we need to remove previously set textures which might otherwise be kept in the
// last set material member. Could be optimized to reduce state changes.
setMaterial(SMaterial());
for (u32 i=0; i<Textures.size(); ++i)
Textures[i].Surface->drop();
Textures.clear();
}
//! applications must call this method before performing any rendering. returns false if failed.
bool CNullDriver::beginScene(bool backBuffer, bool zBuffer, SColor color,
void* windowId, core::rect<s32>* sourceRect)
{
core::clearFPUException();
PrimitivesDrawn = 0;
return true;
}
//! applications must call this method after performing any rendering. returns false if failed.
bool CNullDriver::endScene()
{
FPSCounter.registerFrame(os::Timer::getRealTime(), PrimitivesDrawn);
updateAllHardwareBuffers();
return true;
}
//! Disable a feature of the driver.
void CNullDriver::disableFeature(E_VIDEO_DRIVER_FEATURE feature, bool flag)
{
FeatureEnabled[feature]=!flag;
}
//! queries the features of the driver, returns true if feature is available
bool CNullDriver::queryFeature(E_VIDEO_DRIVER_FEATURE feature) const
{
return false;
}
//! sets transformation
void CNullDriver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat)
{
}
//! Returns the transformation set by setTransform
const core::matrix4& CNullDriver::getTransform(E_TRANSFORMATION_STATE state) const
{
return TransformationMatrix;
}
//! sets a material
void CNullDriver::setMaterial(const SMaterial& material)
{
}
//! Removes a texture from the texture cache and deletes it, freeing lot of
//! memory.
void CNullDriver::removeTexture(ITexture* texture)
{
if (!texture)
return;
for (u32 i=0; i<Textures.size(); ++i)
{
if (Textures[i].Surface == texture)
{
texture->drop();
Textures.erase(i);
}
}
}
//! Removes all texture from the texture cache and deletes them, freeing lot of
//! memory.
void CNullDriver::removeAllTextures()
{
setMaterial ( SMaterial() );
deleteAllTextures();
}
//! Returns a texture by index
ITexture* CNullDriver::getTextureByIndex(u32 i)
{
if ( i < Textures.size() )
return Textures[i].Surface;
return 0;
}
//! Returns amount of textures currently loaded
u32 CNullDriver::getTextureCount() const
{
return Textures.size();
}
//! Renames a texture
void CNullDriver::renameTexture(ITexture* texture, const io::path& newName)
{
// we can do a const_cast here safely, the name of the ITexture interface
// is just readonly to prevent the user changing the texture name without invoking
// this method, because the textures will need resorting afterwards
io::path& name = const_cast<io::path&>(texture->getName());
name = newName;
Textures.sort();
}
//! loads a Texture
ITexture* CNullDriver::getTexture(const io::path& filename)
{
// Identify textures by their absolute filenames if possible.
const io::path absolutePath = FileSystem->getAbsolutePath(filename);
ITexture* texture = findTexture(absolutePath);
if (texture)
return texture;
// Then try the raw filename, which might be in an Archive
texture = findTexture(filename);
if (texture)
return texture;
// Now try to open the file using the complete path.
io::IReadFile* file = FileSystem->createAndOpenFile(absolutePath);
if(!file)
{
// Try to open it using the raw filename.
file = FileSystem->createAndOpenFile(filename);
}
if (file)
{
texture = loadTextureFromFile(file);
file->drop();
if (texture)
{
addTexture(texture);
texture->drop(); // drop it because we created it, one grab too much
}
else
os::Printer::log("Could not load texture", filename, ELL_ERROR);
return texture;
}
else
{
os::Printer::log("Could not open file of texture", filename, ELL_WARNING);
return 0;
}
}
//! loads a Texture
ITexture* CNullDriver::getTexture(io::IReadFile* file)
{
ITexture* texture = 0;
if (file)
{
texture = findTexture(file->getFileName());
if (texture)
return texture;
texture = loadTextureFromFile(file);
if (texture)
{
addTexture(texture);
texture->drop(); // drop it because we created it, one grab too much
}
}
if (!texture)
os::Printer::log("Could not load texture", file->getFileName(), ELL_WARNING);
return texture;
}
//! opens the file and loads it into the surface
video::ITexture* CNullDriver::loadTextureFromFile(io::IReadFile* file, const io::path& hashName )
{
ITexture* texture = 0;
IImage* image = createImageFromFile(file);
if (image)
{
// create texture from surface
texture = createDeviceDependentTexture(image, hashName.size() ? hashName : file->getFileName() );
os::Printer::log("Loaded texture", file->getFileName());
image->drop();
}
return texture;
}
//! adds a surface, not loaded or created by the Irrlicht Engine
void CNullDriver::addTexture(video::ITexture* texture)
{
if (texture)
{
SSurface s;
s.Surface = texture;
texture->grab();
Textures.push_back(s);
// the new texture is now at the end of the texture list. when searching for
// the next new texture, the texture array will be sorted and the index of this texture
// will be changed. to let the order be more consistent to the user, sort
// the textures now already although this isn't necessary:
Textures.sort();
}
}
//! looks if the image is already loaded
video::ITexture* CNullDriver::findTexture(const io::path& filename)
{
SSurface s;
SDummyTexture dummy(filename);
s.Surface = &dummy;
s32 index = Textures.binary_search(s);
if (index != -1)
return Textures[index].Surface;
return 0;
}
//! Creates a texture from a loaded IImage.
ITexture* CNullDriver::addTexture(const io::path& name, IImage* image)
{
if ( 0 == name.size() || !image)
return 0;
ITexture* t = createDeviceDependentTexture(image, name);
if (t)
{
addTexture(t);
t->drop();
}
return t;
}
//! creates a Texture
ITexture* CNullDriver::addTexture(const core::dimension2d<u32>& size,
const io::path& name, ECOLOR_FORMAT format)
{
if(IImage::isRenderTargetOnlyFormat(format))
{
os::Printer::log("Could not create ITexture, format only supported for render target textures.", ELL_WARNING);
return 0;
}
if ( 0 == name.size () )
return 0;
IImage* image = new CImage(format, size);
ITexture* t = createDeviceDependentTexture(image, name);
image->drop();
addTexture(t);
if (t)
t->drop();
return t;
}
//! returns a device dependent texture from a software surface (IImage)
//! THIS METHOD HAS TO BE OVERRIDDEN BY DERIVED DRIVERS WITH OWN TEXTURES
ITexture* CNullDriver::createDeviceDependentTexture(IImage* surface, const io::path& name)
{
return new SDummyTexture(name);
}
//! set or reset special render targets
bool CNullDriver::setRenderTarget(video::E_RENDER_TARGET target, bool clearTarget,
bool clearZBuffer, SColor color)
{
if (ERT_FRAME_BUFFER==target)
return setRenderTarget(0,clearTarget, clearZBuffer, color);
else
return false;
}
//! sets a render target
bool CNullDriver::setRenderTarget(video::ITexture* texture, bool clearBackBuffer,
bool clearZBuffer, SColor color)
{
return false;
}
//! sets a viewport
void CNullDriver::setViewPort(const core::rect<s32>& area)
{
}
//! gets the area of the current viewport
const core::rect<s32>& CNullDriver::getViewPort() const
{
return ViewPort;
}
//! draws a vertex primitive list
void CNullDriver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, const void* indexList, u32 primitiveCount, E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
{
if ((iType==EIT_16BIT) && (vertexCount>65536))
os::Printer::log("Too many vertices for 16bit index type, render artifacts may occur.");
PrimitivesDrawn += primitiveCount;
}
//! draws a vertex primitive list in 2d
void CNullDriver::draw2DVertexPrimitiveList(const void* vertices, u32 vertexCount, const void* indexList, u32 primitiveCount, E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
{
if ((iType==EIT_16BIT) && (vertexCount>65536))
os::Printer::log("Too many vertices for 16bit index type, render artifacts may occur.");
PrimitivesDrawn += primitiveCount;
}
//! Draws a 3d line.
void CNullDriver::draw3DLine(const core::vector3df& start,
const core::vector3df& end, SColor color)
{
}
//! Draws a 3d triangle.
void CNullDriver::draw3DTriangle(const core::triangle3df& triangle, SColor color)
{
S3DVertex vertices[3];
vertices[0].Pos=triangle.pointA;
vertices[0].Color=color;
vertices[0].Normal=triangle.getNormal().normalize();
vertices[0].TCoords.set(0.f,0.f);
vertices[1].Pos=triangle.pointB;
vertices[1].Color=color;
vertices[1].Normal=vertices[0].Normal;
vertices[1].TCoords.set(0.5f,1.f);
vertices[2].Pos=triangle.pointC;
vertices[2].Color=color;
vertices[2].Normal=vertices[0].Normal;
vertices[2].TCoords.set(1.f,0.f);
const u16 indexList[] = {0,1,2};
drawVertexPrimitiveList(vertices, 3, indexList, 1, EVT_STANDARD, scene::EPT_TRIANGLES, EIT_16BIT);
}
//! Draws a 3d axis aligned box.
void CNullDriver::draw3DBox(const core::aabbox3d<f32>& box, SColor color)
{
core::vector3df edges[8];
box.getEdges(edges);
// TODO: optimize into one big drawIndexPrimitive call.
draw3DLine(edges[5], edges[1], color);
draw3DLine(edges[1], edges[3], color);
draw3DLine(edges[3], edges[7], color);
draw3DLine(edges[7], edges[5], color);
draw3DLine(edges[0], edges[2], color);
draw3DLine(edges[2], edges[6], color);
draw3DLine(edges[6], edges[4], color);
draw3DLine(edges[4], edges[0], color);
draw3DLine(edges[1], edges[0], color);
draw3DLine(edges[3], edges[2], color);
draw3DLine(edges[7], edges[6], color);
draw3DLine(edges[5], edges[4], color);
}
//! draws an 2d image
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos)
{
if (!texture)
return;
draw2DImage(texture,destPos, core::rect<s32>(core::position2d<s32>(0,0),
core::dimension2di(texture->getOriginalSize())));
}
//! draws a set of 2d images, using a color and the alpha channel of the
//! texture if desired. The images are drawn beginning at pos and concatenated
//! in one line. All drawings are clipped against clipRect (if != 0).
//! The subtextures are defined by the array of sourceRects and are chosen
//! by the indices given.
void CNullDriver::draw2DImageBatch(const video::ITexture* texture,
const core::position2d<s32>& pos,
const core::array<core::rect<s32> >& sourceRects,
const core::array<s32>& indices,
s32 kerningWidth,
const core::rect<s32>* clipRect, SColor color,
bool useAlphaChannelOfTexture)
{
core::position2d<s32> target(pos);
for (u32 i=0; i<indices.size(); ++i)
{
draw2DImage(texture, target, sourceRects[indices[i]],
clipRect, color, useAlphaChannelOfTexture);
target.X += sourceRects[indices[i]].getWidth();
target.X += kerningWidth;
}
}
//! draws a set of 2d images, using a color and the alpha channel of the
//! texture if desired.
void CNullDriver::draw2DImageBatch(const video::ITexture* texture,
const core::array<core::position2d<s32> >& positions,
const core::array<core::rect<s32> >& sourceRects,
const core::rect<s32>* clipRect,
SColor color,
bool useAlphaChannelOfTexture)
{
const irr::u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size());
for (u32 i=0; i<drawCount; ++i)
{
draw2DImage(texture, positions[i], sourceRects[i],
clipRect, color, useAlphaChannelOfTexture);
}
}
//! Draws a part of the texture into the rectangle.
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect,
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect,
const video::SColor* const colors, bool useAlphaChannelOfTexture)
{
}
//! Draws a 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
const core::rect<s32>& sourceRect,
const core::rect<s32>* clipRect, SColor color,
bool useAlphaChannelOfTexture)
{
}
//! Draws the outline of a 2d rectangle
void CNullDriver::draw2DRectangleOutline(const core::recti& pos, SColor color)
{
draw2DLine(pos.UpperLeftCorner, core::position2di(pos.LowerRightCorner.X, pos.UpperLeftCorner.Y), color);
draw2DLine(core::position2di(pos.LowerRightCorner.X, pos.UpperLeftCorner.Y), pos.LowerRightCorner, color);
draw2DLine(pos.LowerRightCorner, core::position2di(pos.UpperLeftCorner.X, pos.LowerRightCorner.Y), color);
draw2DLine(core::position2di(pos.UpperLeftCorner.X, pos.LowerRightCorner.Y), pos.UpperLeftCorner, color);
}
//! Draw a 2d rectangle
void CNullDriver::draw2DRectangle(SColor color, const core::rect<s32>& pos, const core::rect<s32>* clip)
{
draw2DRectangle(pos, color, color, color, color, clip);
}
//! Draws a 2d rectangle with a gradient.
void CNullDriver::draw2DRectangle(const core::rect<s32>& pos,
SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
const core::rect<s32>* clip)
{
}
//! Draws a 2d line.
void CNullDriver::draw2DLine(const core::position2d<s32>& start,
const core::position2d<s32>& end, SColor color)
{
}
//! Draws a pixel
void CNullDriver::drawPixel(u32 x, u32 y, const SColor & color)
{
}
//! Draws a non filled concyclic regular 2d polyon.
void CNullDriver::draw2DPolygon(core::position2d<s32> center,
f32 radius, video::SColor color, s32 count)
{
if (count < 2)
return;
core::position2d<s32> first;
core::position2d<s32> a,b;
for (s32 j=0; j<count; ++j)
{
b = a;
f32 p = j / (f32)count * (core::PI*2);
a = center + core::position2d<s32>((s32)(sin(p)*radius), (s32)(cos(p)*radius));
if (j==0)
first = a;
else
draw2DLine(a, b, color);
}
draw2DLine(a, first, color);
}
//! returns color format
ECOLOR_FORMAT CNullDriver::getColorFormat() const
{
return ECF_R5G6B5;
}
//! returns screen size
const core::dimension2d<u32>& CNullDriver::getScreenSize() const
{
return ScreenSize;
}
//! returns the current render target size,
//! or the screen size if render targets are not implemented
const core::dimension2d<u32>& CNullDriver::getCurrentRenderTargetSize() const
{
return ScreenSize;
}
// returns current frames per second value
s32 CNullDriver::getFPS() const
{
return FPSCounter.getFPS();
}
//! returns amount of primitives (mostly triangles) were drawn in the last frame.
//! very useful method for statistics.
u32 CNullDriver::getPrimitiveCountDrawn( u32 param ) const
{
return (0 == param) ? FPSCounter.getPrimitive() : (1 == param) ? FPSCounter.getPrimitiveAverage() : FPSCounter.getPrimitiveTotal();
}
//! 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.
void CNullDriver::setAmbientLight(const SColorf& color)
{
}
//! \return Returns the name of the video driver. Example: In case of the DIRECT3D8
//! driver, it would return "Direct3D8".
const wchar_t* CNullDriver::getName() const
{
return L"Irrlicht NullDevice";
}
//! Draws a shadow volume into the stencil buffer. To draw a stencil shadow, do
//! this: Frist, draw all geometry. Then use this method, to draw the shadow
//! volume. Then, use IVideoDriver::drawStencilShadow() to visualize the shadow.
void CNullDriver::drawStencilShadowVolume(const core::vector3df* triangles, s32 count, bool zfail)
{
}
//! 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.
void CNullDriver::drawStencilShadow(bool clearStencilBuffer,
video::SColor leftUpEdge, video::SColor rightUpEdge,
video::SColor leftDownEdge, video::SColor rightDownEdge)
{
}
//! deletes all dynamic lights there are
void CNullDriver::deleteAllDynamicLights()
{
Lights.set_used(0);
}
//! adds a dynamic light
s32 CNullDriver::addDynamicLight(const SLight& light)
{
Lights.push_back(light);
return Lights.size() - 1;
}
//! 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
void CNullDriver::turnLightOn(s32 lightIndex, bool turnOn)
{
// Do nothing
}
//! returns the maximal amount of dynamic lights the device can handle
u32 CNullDriver::getMaximalDynamicLightAmount() const
{
return 0;
}
//! Returns current amount of dynamic lights set
//! \return Current amount of dynamic lights set
u32 CNullDriver::getDynamicLightCount() const
{
return Lights.size();
}
//! Returns light data which was previously set by IVideoDriver::addDynamicLight().
//! \param idx: Zero based index of the light. Must be greater than 0 and smaller
//! than IVideoDriver()::getDynamicLightCount.
//! \return Light data.
const SLight& CNullDriver::getDynamicLight(u32 idx) const
{
if ( idx < Lights.size() )
return Lights[idx];
else
return *((SLight*)0);
}
//! Creates a boolean alpha channel of the texture based of an color key.
void CNullDriver::makeColorKeyTexture(video::ITexture* texture,
video::SColor color,
bool zeroTexels) const
{
if (!texture)
return;
if (texture->getColorFormat() != ECF_A1R5G5B5 &&
texture->getColorFormat() != ECF_A8R8G8B8 )
{
os::Printer::log("Error: Unsupported texture color format for making color key channel.", ELL_ERROR);
return;
}
if (texture->getColorFormat() == ECF_A1R5G5B5)
{
u16 *p = (u16*)texture->lock();
if (!p)
{
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
return;
}
const core::dimension2d<u32> dim = texture->getSize();
const u32 pitch = texture->getPitch() / 2;
// color with alpha disabled (i.e. fully transparent)
const u16 refZeroAlpha = (0x7fff & color.toA1R5G5B5());
const u32 pixels = pitch * dim.Height;
for (u32 pixel = 0; pixel < pixels; ++ pixel)
{
// If the colour matches the reference colour, ignoring alphas,
// set the alpha to zero.
if(((*p) & 0x7fff) == refZeroAlpha)
{
if(zeroTexels)
(*p) = 0;
else
(*p) = refZeroAlpha;
}
++p;
}
texture->unlock();
}
else
{
u32 *p = (u32*)texture->lock();
if (!p)
{
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
return;
}
core::dimension2d<u32> dim = texture->getSize();
u32 pitch = texture->getPitch() / 4;
// color with alpha disabled (fully transparent)
const u32 refZeroAlpha = 0x00ffffff & color.color;
const u32 pixels = pitch * dim.Height;
for (u32 pixel = 0; pixel < pixels; ++ pixel)
{
// If the colour matches the reference colour, ignoring alphas,
// set the alpha to zero.
if(((*p) & 0x00ffffff) == refZeroAlpha)
{
if(zeroTexels)
(*p) = 0;
else
(*p) = refZeroAlpha;
}
++p;
}
texture->unlock();
}
}
//! Creates an boolean alpha channel of the texture based of an color key position.
void CNullDriver::makeColorKeyTexture(video::ITexture* texture,
core::position2d<s32> colorKeyPixelPos,
bool zeroTexels) const
{
if (!texture)
return;
if (texture->getColorFormat() != ECF_A1R5G5B5 &&
texture->getColorFormat() != ECF_A8R8G8B8 )
{
os::Printer::log("Error: Unsupported texture color format for making color key channel.", ELL_ERROR);
return;
}
SColor colorKey;
if (texture->getColorFormat() == ECF_A1R5G5B5)
{
u16 *p = (u16*)texture->lock(true);
if (!p)
{
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
return;
}
u32 pitch = texture->getPitch() / 2;
const u16 key16Bit = 0x7fff & p[colorKeyPixelPos.Y*pitch + colorKeyPixelPos.X];
colorKey = video::A1R5G5B5toA8R8G8B8(key16Bit);
}
else
{
u32 *p = (u32*)texture->lock(true);
if (!p)
{
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
return;
}
u32 pitch = texture->getPitch() / 4;
colorKey = 0x00ffffff & p[colorKeyPixelPos.Y*pitch + colorKeyPixelPos.X];
}
texture->unlock();
makeColorKeyTexture(texture, colorKey, zeroTexels);
}
//! Creates a normal map from a height map texture.
//! \param amplitude: Constant value by which the height information is multiplied.
void CNullDriver::makeNormalMapTexture(video::ITexture* texture, f32 amplitude) const
{
if (!texture)
return;
if (texture->getColorFormat() != ECF_A1R5G5B5 &&
texture->getColorFormat() != ECF_A8R8G8B8 )
{
os::Printer::log("Error: Unsupported texture color format for making normal map.", ELL_ERROR);
return;
}
core::dimension2d<u32> dim = texture->getSize();
amplitude = amplitude / 255.0f;
f32 vh = dim.Height / (f32)dim.Width;
f32 hh = dim.Width / (f32)dim.Height;
if (texture->getColorFormat() == ECF_A8R8G8B8)
{
// ECF_A8R8G8B8 version
s32 *p = (s32*)texture->lock();
if (!p)
{
os::Printer::log("Could not lock texture for making normal map.", ELL_ERROR);
return;
}
// copy texture
u32 pitch = texture->getPitch() / 4;
s32* in = new s32[dim.Height * pitch];
memcpy(in, p, dim.Height * pitch * 4);
for (s32 x=0; x < s32(pitch); ++x)
for (s32 y=0; y < s32(dim.Height); ++y)
{
// TODO: this could be optimized really a lot
core::vector3df h1((x-1)*hh, nml32(x-1, y, pitch, dim.Height, in)*amplitude, y*vh);
core::vector3df h2((x+1)*hh, nml32(x+1, y, pitch, dim.Height, in)*amplitude, y*vh);
//core::vector3df v1(x*hh, nml32(x, y-1, pitch, dim.Height, in)*amplitude, (y-1)*vh);
//core::vector3df v2(x*hh, nml32(x, y+1, pitch, dim.Height, in)*amplitude, (y+1)*vh);
core::vector3df v1(x*hh, nml32(x, y+1, pitch, dim.Height, in)*amplitude, (y-1)*vh);
core::vector3df v2(x*hh, nml32(x, y-1, pitch, dim.Height, in)*amplitude, (y+1)*vh);
core::vector3df v = v1-v2;
core::vector3df h = h1-h2;
core::vector3df n = v.crossProduct(h);
n.normalize();
n *= 0.5f;
n += core::vector3df(0.5f,0.5f,0.5f); // now between 0 and 1
n *= 255.0f;
s32 height = (s32)nml32(x, y, pitch, dim.Height, in);
p[y*pitch + x] = video::SColor(
height, // store height in alpha
(s32)n.X, (s32)n.Z, (s32)n.Y).color;
}
delete [] in;
texture->unlock();
}
else
{
// ECF_A1R5G5B5 version
s16 *p = (s16*)texture->lock();
if (!p)
{
os::Printer::log("Could not lock texture for making normal map.", ELL_ERROR);
return;
}
u32 pitch = texture->getPitch() / 2;
// copy texture
s16* in = new s16[dim.Height * pitch];
memcpy(in, p, dim.Height * pitch * 2);
for (s32 x=0; x < s32(pitch); ++x)
for (s32 y=0; y < s32(dim.Height); ++y)
{
// TODO: this could be optimized really a lot
core::vector3df h1((x-1)*hh, nml16(x-1, y, pitch, dim.Height, in)*amplitude, y*vh);
core::vector3df h2((x+1)*hh, nml16(x+1, y, pitch, dim.Height, in)*amplitude, y*vh);
core::vector3df v1(x*hh, nml16(x, y-1, pitch, dim.Height, in)*amplitude, (y-1)*vh);
core::vector3df v2(x*hh, nml16(x, y+1, pitch, dim.Height, in)*amplitude, (y+1)*vh);
core::vector3df v = v1-v2;
core::vector3df h = h1-h2;
core::vector3df n = v.crossProduct(h);
n.normalize();
n *= 0.5f;
n += core::vector3df(0.5f,0.5f,0.5f); // now between 0 and 1
n *= 255.0f;
p[y*pitch + x] = video::RGBA16((u32)n.X, (u32)n.Z, (u32)n.Y);
}
delete [] in;
texture->unlock();
}
texture->regenerateMipMapLevels();
}
//! Returns the maximum amount of primitives (mostly vertices) which
//! the device is able to render with one drawIndexedTriangleList
//! call.
u32 CNullDriver::getMaximalPrimitiveCount() const
{
return 0xFFFFFFFF;
}
//! checks triangle count and print warning if wrong
bool CNullDriver::checkPrimitiveCount(u32 prmCount) const
{
const u32 m = getMaximalPrimitiveCount();
if (prmCount > m)
{
char tmp[1024];
sprintf(tmp,"Could not draw triangles, too many primitives(%u), maxium is %u.", prmCount, m);
os::Printer::log(tmp, ELL_ERROR);
return false;
}
return true;
}
//! Enables or disables a texture creation flag.
void CNullDriver::setTextureCreationFlag(E_TEXTURE_CREATION_FLAG flag, bool enabled)
{
if (enabled && ((flag == ETCF_ALWAYS_16_BIT) || (flag == ETCF_ALWAYS_32_BIT)
|| (flag == ETCF_OPTIMIZED_FOR_QUALITY) || (flag == ETCF_OPTIMIZED_FOR_SPEED)))
{
// disable other formats
setTextureCreationFlag(ETCF_ALWAYS_16_BIT, false);
setTextureCreationFlag(ETCF_ALWAYS_32_BIT, false);
setTextureCreationFlag(ETCF_OPTIMIZED_FOR_QUALITY, false);
setTextureCreationFlag(ETCF_OPTIMIZED_FOR_SPEED, false);
}
// set flag
TextureCreationFlags = (TextureCreationFlags & (~flag)) |
((((u32)!enabled)-1) & flag);
}
//! Returns if a texture creation flag is enabled or disabled.
bool CNullDriver::getTextureCreationFlag(E_TEXTURE_CREATION_FLAG flag) const
{
return (TextureCreationFlags & flag)!=0;
}
//! Creates a software image from a file.
IImage* CNullDriver::createImageFromFile(const io::path& filename)
{
if (!filename.size())
return 0;
IImage* image = 0;
io::IReadFile* file = FileSystem->createAndOpenFile(filename);
if (file)
{
image = createImageFromFile(file);
file->drop();
}
else
os::Printer::log("Could not open file of image", filename, ELL_WARNING);
return image;
}
//! Creates a software image from a file.
IImage* CNullDriver::createImageFromFile(io::IReadFile* file)
{
if (!file)
return 0;
IImage* image = 0;
u32 i;
// try to load file based on file extension
for (i=0; i<SurfaceLoader.size(); ++i)
{
if (SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
{
// reset file position which might have changed due to previous loadImage calls
file->seek(0);
image = SurfaceLoader[i]->loadImage(file);
if (image)
return image;
}
}
// try to load file based on what is in it
for (i=0; i<SurfaceLoader.size(); ++i)
{
// dito
file->seek(0);
if (SurfaceLoader[i]->isALoadableFileFormat(file))
{
file->seek(0);
image = SurfaceLoader[i]->loadImage(file);
if (image)
return image;
}
}
return 0; // failed to load
}
//! Writes the provided image to disk file
bool CNullDriver::writeImageToFile(IImage* image, const io::path& filename,u32 param)
{
io::IWriteFile* file = FileSystem->createAndWriteFile(filename);
if(!file)
return false;
bool result = writeImageToFile(image, file, param);
file->drop();
return result;
}
//! Writes the provided image to a file.
bool CNullDriver::writeImageToFile(IImage* image, io::IWriteFile * file, u32 param)
{
if(!file)
return false;
for (u32 i=0; i<SurfaceWriter.size(); ++i)
{
if (SurfaceWriter[i]->isAWriteableFileExtension(file->getFileName()))
{
bool written = SurfaceWriter[i]->writeImage(file, image, param);
if (written)
return true;
}
}
return false; // failed to write
}
//! Creates a software image from a byte array.
IImage* CNullDriver::createImageFromData(ECOLOR_FORMAT format,
const core::dimension2d<u32>& size,
void *data, bool ownForeignMemory,
bool deleteMemory)
{
if(IImage::isRenderTargetOnlyFormat(format))
{
os::Printer::log("Could not create IImage, format only supported for render target textures.", ELL_WARNING);
return 0;
}
return new CImage(format, size, data, ownForeignMemory, deleteMemory);
}
//! Creates an empty software image.
IImage* CNullDriver::createImage(ECOLOR_FORMAT format, const core::dimension2d<u32>& size)
{
if(IImage::isRenderTargetOnlyFormat(format))
{
os::Printer::log("Could not create IImage, format only supported for render target textures.", ELL_WARNING);
return 0;
}
return new CImage(format, size);
}
//! Creates a software image from another image.
IImage* CNullDriver::createImage(ECOLOR_FORMAT format, IImage *imageToCopy)
{
if(IImage::isRenderTargetOnlyFormat(format))
{
os::Printer::log("Could not create IImage, format only supported for render target textures.", ELL_WARNING);
return 0;
}
return new CImage(format, imageToCopy);
}
//! Creates a software image from part of another image.
IImage* CNullDriver::createImage(IImage* imageToCopy, const core::position2d<s32>& pos, const core::dimension2d<u32>& size)
{
return new CImage(imageToCopy, pos, size);
}
//! Creates a software image from part of a texture.
IImage* CNullDriver::createImage(ITexture* texture, const core::position2d<s32>& pos, const core::dimension2d<u32>& size)
{
if (pos==core::position2di(0,0) && size == texture->getSize())
{
IImage* image = new CImage(texture->getColorFormat(), size, texture->lock(true), false);
texture->unlock();
return image;
}
else
{
// make sure to avoid buffer overruns
// make the vector a separate variable for g++ 3.x
const core::vector2d<u32> leftUpper(core::clamp(static_cast<u32>(pos.X), 0u, texture->getSize().Width),
core::clamp(static_cast<u32>(pos.Y), 0u, texture->getSize().Height));
const core::rect<u32> clamped(leftUpper,
core::dimension2du(core::clamp(static_cast<u32>(size.Width), 0u, texture->getSize().Width),
core::clamp(static_cast<u32>(size.Height), 0u, texture->getSize().Height)));
if (!clamped.isValid())
return 0;
void* src = texture->lock(true);
if (!src)
return 0;
IImage* image = new CImage(texture->getColorFormat(), clamped.getSize());
void* dst = image->lock();
for (u32 i=clamped.UpperLeftCorner.X; i<clamped.getHeight(); ++i)
{
video::CColorConverter::convert_viaFormat(src, texture->getColorFormat(), clamped.getWidth(), dst, image->getColorFormat());
}
image->unlock();
texture->unlock();
return image;
}
}
//! Sets the fog mode.
void CNullDriver::setFog(SColor color, E_FOG_TYPE fogType, f32 start, f32 end,
f32 density, bool pixelFog, bool rangeFog)
{
FogColor = color;
FogType = fogType;
FogStart = start;
FogEnd = end;
FogDensity = density;
PixelFog = pixelFog;
RangeFog = rangeFog;
}
//! Gets the fog mode.
void CNullDriver::getFog(SColor& color, E_FOG_TYPE& fogType, f32& start, f32& end,
f32& density, bool& pixelFog, bool& rangeFog)
{
color = FogColor;
fogType = FogType;
start = FogStart;
end = FogEnd;
density = FogDensity;
pixelFog = PixelFog;
rangeFog = RangeFog;
}
//! Draws a mesh buffer
void CNullDriver::drawMeshBuffer(const scene::IMeshBuffer* mb)
{
if (!mb)
return;
//IVertexBuffer and IIndexBuffer later
SHWBufferLink *HWBuffer=getBufferLink(mb);
if (HWBuffer)
drawHardwareBuffer(HWBuffer);
else
drawVertexPrimitiveList(mb->getVertices(), mb->getVertexCount(), mb->getIndices(), mb->getIndexCount()/3, mb->getVertexType(), scene::EPT_TRIANGLES, mb->getIndexType());
}
CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IMeshBuffer* mb)
{
if (!mb || !isHardwareBufferRecommend(mb))
return 0;
//search for hardware links
core::map< const scene::IMeshBuffer*,SHWBufferLink* >::Node* node = HWBufferMap.find(mb);
if (node)
return node->getValue();
return createHardwareBuffer(mb); //no hardware links, and mesh wants one, create it
}
//! Update all hardware buffers, remove unused ones
void CNullDriver::updateAllHardwareBuffers()
{
core::map<const scene::IMeshBuffer*,SHWBufferLink*>::ParentFirstIterator Iterator=HWBufferMap.getParentFirstIterator();
for (;!Iterator.atEnd();Iterator++)
{
SHWBufferLink *Link=Iterator.getNode()->getValue();
Link->LastUsed++;
if (Link->LastUsed>20000)
{
deleteHardwareBuffer(Link);
// todo: needs better fix
Iterator = HWBufferMap.getParentFirstIterator();
}
}
}
void CNullDriver::deleteHardwareBuffer(SHWBufferLink *HWBuffer)
{
if (!HWBuffer)
return;
HWBufferMap.remove(HWBuffer->MeshBuffer);
delete HWBuffer;
}
//! Remove hardware buffer
void CNullDriver::removeHardwareBuffer(const scene::IMeshBuffer* mb)
{
core::map<const scene::IMeshBuffer*,SHWBufferLink*>::Node* node = HWBufferMap.find(mb);
if (node)
deleteHardwareBuffer(node->getValue());
}
//! Remove all hardware buffers
void CNullDriver::removeAllHardwareBuffers()
{
while (HWBufferMap.size())
deleteHardwareBuffer(HWBufferMap.getRoot()->getValue());
}
bool CNullDriver::isHardwareBufferRecommend(const scene::IMeshBuffer* mb)
{
if (!mb || (mb->getHardwareMappingHint_Index()==scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex()==scene::EHM_NEVER))
return false;
if (mb->getVertexCount()<MinVertexCountForVBO)
return false;
return true;
}
//! Only used by the internal engine. Used to notify the driver that
//! the window was resized.
void CNullDriver::OnResize(const core::dimension2d<u32>& size)
{
if (ViewPort.getWidth() == (s32)ScreenSize.Width &&
ViewPort.getHeight() == (s32)ScreenSize.Height)
ViewPort = core::rect<s32>(core::position2d<s32>(0,0),
core::dimension2di(size));
ScreenSize = size;
}
// adds a material renderer and drops it afterwards. To be used for internal creation
s32 CNullDriver::addAndDropMaterialRenderer(IMaterialRenderer* m)
{
s32 i = addMaterialRenderer(m);
if (m)
m->drop();
return i;
}
//! Adds a new material renderer to the video device.
s32 CNullDriver::addMaterialRenderer(IMaterialRenderer* renderer, const char* name)
{
if (!renderer)
return -1;
SMaterialRenderer r;
r.Renderer = renderer;
r.Name = name;
if (name == 0 && (MaterialRenderers.size() < (sizeof(sBuiltInMaterialTypeNames) / sizeof(char*))-1 ))
{
// set name of built in renderer so that we don't have to implement name
// setting in all available renderers.
r.Name = sBuiltInMaterialTypeNames[MaterialRenderers.size()];
}
MaterialRenderers.push_back(r);
renderer->grab();
return MaterialRenderers.size()-1;
}
//! Sets the name of a material renderer.
void CNullDriver::setMaterialRendererName(s32 idx, const char* name)
{
if (idx < s32(sizeof(sBuiltInMaterialTypeNames) / sizeof(char*))-1 ||
idx >= (s32)MaterialRenderers.size())
return;
MaterialRenderers[idx].Name = name;
}
//! Creates material attributes list from a material, usable for serialization and more.
io::IAttributes* CNullDriver::createAttributesFromMaterial(const video::SMaterial& material)
{
io::CAttributes* attr = new io::CAttributes(this);
attr->addEnum("Type", material.MaterialType, sBuiltInMaterialTypeNames);
attr->addColor("Ambient", material.AmbientColor);
attr->addColor("Diffuse", material.DiffuseColor);
attr->addColor("Emissive", material.EmissiveColor);
attr->addColor("Specular", material.SpecularColor);
attr->addFloat("Shininess", material.Shininess);
attr->addFloat("Param1", material.MaterialTypeParam);
attr->addFloat("Param2", material.MaterialTypeParam2);
core::stringc prefix="Texture";
u32 i;
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addTexture((prefix+core::stringc(i+1)).c_str(), material.getTexture(i));
attr->addBool("Wireframe", material.Wireframe);
attr->addBool("GouraudShading", material.GouraudShading);
attr->addBool("Lighting", material.Lighting);
attr->addBool("ZWriteEnable", material.ZWriteEnable);
attr->addInt("ZBuffer", material.ZBuffer);
attr->addBool("BackfaceCulling", material.BackfaceCulling);
attr->addBool("FrontfaceCulling", material.FrontfaceCulling);
attr->addBool("FogEnable", material.FogEnable);
attr->addBool("NormalizeNormals", material.NormalizeNormals);
attr->addInt("AntiAliasing", material.AntiAliasing);
attr->addInt("ColorMask", material.ColorMask);
prefix = "BilinearFilter";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addBool((prefix+core::stringc(i+1)).c_str(), material.TextureLayer[i].BilinearFilter);
prefix = "TrilinearFilter";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addBool((prefix+core::stringc(i+1)).c_str(), material.TextureLayer[i].TrilinearFilter);
prefix = "AnisotropicFilter";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addInt((prefix+core::stringc(i+1)).c_str(), material.TextureLayer[i].AnisotropicFilter);
prefix="TextureWrap";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addEnum((prefix+core::stringc(i+1)).c_str(), material.TextureLayer[i].TextureWrap, aTextureClampNames);
prefix="LODBias";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
attr->addInt((prefix+core::stringc(i+1)).c_str(), material.TextureLayer[i].LODBias);
return attr;
}
//! Fills an SMaterial structure from attributes.
void CNullDriver::fillMaterialStructureFromAttributes(video::SMaterial& outMaterial, io::IAttributes* attr)
{
outMaterial.MaterialType = video::EMT_SOLID;
core::stringc name = attr->getAttributeAsString("Type");
u32 i;
for ( i=0; i < MaterialRenderers.size(); ++i)
if ( name == MaterialRenderers[i].Name )
{
outMaterial.MaterialType = (video::E_MATERIAL_TYPE)i;
break;
}
outMaterial.AmbientColor = attr->getAttributeAsColor("Ambient");
outMaterial.DiffuseColor = attr->getAttributeAsColor("Diffuse");
outMaterial.EmissiveColor = attr->getAttributeAsColor("Emissive");
outMaterial.SpecularColor = attr->getAttributeAsColor("Specular");
outMaterial.Shininess = attr->getAttributeAsFloat("Shininess");
outMaterial.MaterialTypeParam = attr->getAttributeAsFloat("Param1");
outMaterial.MaterialTypeParam2 = attr->getAttributeAsFloat("Param2");
core::stringc prefix="Texture";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.setTexture(i, attr->getAttributeAsTexture((prefix+core::stringc(i+1)).c_str()));
outMaterial.Wireframe = attr->getAttributeAsBool("Wireframe");
outMaterial.GouraudShading = attr->getAttributeAsBool("GouraudShading");
outMaterial.Lighting = attr->getAttributeAsBool("Lighting");
outMaterial.ZWriteEnable = attr->getAttributeAsBool("ZWriteEnable");
outMaterial.ZBuffer = (u8)attr->getAttributeAsInt("ZBuffer");
outMaterial.BackfaceCulling = attr->getAttributeAsBool("BackfaceCulling");
outMaterial.FrontfaceCulling = attr->getAttributeAsBool("FrontfaceCulling");
outMaterial.FogEnable = attr->getAttributeAsBool("FogEnable");
outMaterial.NormalizeNormals = attr->getAttributeAsBool("NormalizeNormals");
// default 0 is ok
outMaterial.AntiAliasing = attr->getAttributeAsInt("AntiAliasing");
if (attr->existsAttribute("ColorMask"))
outMaterial.ColorMask = attr->getAttributeAsInt("ColorMask");
prefix = "BilinearFilter";
if (attr->existsAttribute(prefix.c_str())) // legacy
outMaterial.setFlag(EMF_BILINEAR_FILTER, attr->getAttributeAsBool(prefix.c_str()));
else
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.TextureLayer[i].BilinearFilter = attr->getAttributeAsBool((prefix+core::stringc(i+1)).c_str());
prefix = "TrilinearFilter";
if (attr->existsAttribute(prefix.c_str())) // legacy
outMaterial.setFlag(EMF_TRILINEAR_FILTER, attr->getAttributeAsBool(prefix.c_str()));
else
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.TextureLayer[i].TrilinearFilter = attr->getAttributeAsBool((prefix+core::stringc(i+1)).c_str());
prefix = "AnisotropicFilter";
if (attr->existsAttribute(prefix.c_str())) // legacy
outMaterial.setFlag(EMF_ANISOTROPIC_FILTER, attr->getAttributeAsBool(prefix.c_str()));
else
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.TextureLayer[i].AnisotropicFilter = attr->getAttributeAsInt((prefix+core::stringc(i+1)).c_str());
prefix = "TextureWrap";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.TextureLayer[i].TextureWrap = (E_TEXTURE_CLAMP)attr->getAttributeAsEnumeration((prefix+core::stringc(i+1)).c_str(), aTextureClampNames);
// default 0 is ok
prefix="LODBias";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
outMaterial.TextureLayer[i].LODBias = attr->getAttributeAsInt((prefix+core::stringc(i+1)).c_str());
}
//! Returns driver and operating system specific data about the IVideoDriver.
const SExposedVideoData& CNullDriver::getExposedVideoData()
{
return ExposedData;
}
//! Returns type of video driver
E_DRIVER_TYPE CNullDriver::getDriverType() const
{
return EDT_NULL;
}
//! deletes all material renderers
void CNullDriver::deleteMaterialRenders()
{
// delete material renderers
for (u32 i=0; i<MaterialRenderers.size(); ++i)
if (MaterialRenderers[i].Renderer)
MaterialRenderers[i].Renderer->drop();
MaterialRenderers.clear();
}
//! Returns pointer to material renderer or null
IMaterialRenderer* CNullDriver::getMaterialRenderer(u32 idx)
{
if ( idx < MaterialRenderers.size() )
return MaterialRenderers[idx].Renderer;
else
return 0;
}
//! Returns amount of currently available material renderers.
u32 CNullDriver::getMaterialRendererCount() const
{
return MaterialRenderers.size();
}
//! Returns name of the material renderer
const char* CNullDriver::getMaterialRendererName(u32 idx) const
{
if ( idx < MaterialRenderers.size() )
return MaterialRenderers[idx].Name.c_str();
return 0;
}
//! Returns pointer to the IGPUProgrammingServices interface.
IGPUProgrammingServices* CNullDriver::getGPUProgrammingServices()
{
return 0;
}
//! Adds a new material renderer to the VideoDriver, based on a high level shading
//! language. Currently only HLSL in D3D9 is supported.
s32 CNullDriver::addHighLevelShaderMaterial(
const c8* vertexShaderProgram,
const c8* vertexShaderEntryPointName,
E_VERTEX_SHADER_TYPE vsCompileTarget,
const c8* pixelShaderProgram,
const c8* pixelShaderEntryPointName,
E_PIXEL_SHADER_TYPE psCompileTarget,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
os::Printer::log("High level shader materials not available (yet) in this driver, sorry");
return -1;
}
//! Like IGPUProgrammingServices::addShaderMaterial() (look there for a detailed description),
//! but tries to load the programs from files.
s32 CNullDriver::addHighLevelShaderMaterialFromFiles(
const io::path& vertexShaderProgram,
const c8* vertexShaderEntryPointName,
E_VERTEX_SHADER_TYPE vsCompileTarget,
const io::path& pixelShaderProgram,
const c8* pixelShaderEntryPointName,
E_PIXEL_SHADER_TYPE psCompileTarget,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
io::IReadFile* vsfile = 0;
io::IReadFile* psfile = 0;
if (vertexShaderProgram.size() )
{
vsfile = FileSystem->createAndOpenFile(vertexShaderProgram);
if (!vsfile)
{
os::Printer::log("Could not open vertex shader program file",
vertexShaderProgram, ELL_WARNING);
return -1;
}
}
if (pixelShaderProgram.size() )
{
psfile = FileSystem->createAndOpenFile(pixelShaderProgram);
if (!psfile)
{
os::Printer::log("Could not open pixel shader program file",
pixelShaderProgram, ELL_WARNING);
if (vsfile)
vsfile->drop();
return -1;
}
}
s32 result = addHighLevelShaderMaterialFromFiles(
vsfile, vertexShaderEntryPointName, vsCompileTarget,
psfile, pixelShaderEntryPointName, psCompileTarget,
callback, baseMaterial, userData);
if (psfile)
psfile->drop();
if (vsfile)
vsfile->drop();
return result;
}
//! Like IGPUProgrammingServices::addShaderMaterial() (look there for a detailed description),
//! but tries to load the programs from files.
s32 CNullDriver::addHighLevelShaderMaterialFromFiles(
io::IReadFile* vertexShaderProgram,
const c8* vertexShaderEntryPointName,
E_VERTEX_SHADER_TYPE vsCompileTarget,
io::IReadFile* pixelShaderProgram,
const c8* pixelShaderEntryPointName,
E_PIXEL_SHADER_TYPE psCompileTarget,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
c8* vs = 0;
c8* ps = 0;
if (vertexShaderProgram)
{
const long size = vertexShaderProgram->getSize();
if (size)
{
vs = new c8[size+1];
vertexShaderProgram->read(vs, size);
vs[size] = 0;
}
}
if (pixelShaderProgram)
{
const long size = pixelShaderProgram->getSize();
if (size)
{
// if both handles are the same we must reset the file
if (pixelShaderProgram==vertexShaderProgram)
pixelShaderProgram->seek(0);
ps = new c8[size+1];
pixelShaderProgram->read(ps, size);
ps[size] = 0;
}
}
s32 result = this->addHighLevelShaderMaterial(
vs, vertexShaderEntryPointName, vsCompileTarget,
ps, pixelShaderEntryPointName, psCompileTarget,
callback, baseMaterial, userData);
delete [] vs;
delete [] ps;
return result;
}
//! Adds a new material renderer to the VideoDriver, using pixel and/or
//! vertex shaders to render geometry.
s32 CNullDriver::addShaderMaterial(const c8* vertexShaderProgram,
const c8* pixelShaderProgram,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
os::Printer::log("Shader materials not implemented yet in this driver, sorry.");
return -1;
}
//! Like IGPUProgrammingServices::addShaderMaterial(), but tries to load the
//! programs from files.
s32 CNullDriver::addShaderMaterialFromFiles(io::IReadFile* vertexShaderProgram,
io::IReadFile* pixelShaderProgram,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
c8* vs = 0;
c8* ps = 0;
if (vertexShaderProgram)
{
const long size = vertexShaderProgram->getSize();
if (size)
{
vs = new c8[size+1];
vertexShaderProgram->read(vs, size);
vs[size] = 0;
}
}
if (pixelShaderProgram)
{
const long size = pixelShaderProgram->getSize();
if (size)
{
ps = new c8[size+1];
pixelShaderProgram->read(ps, size);
ps[size] = 0;
}
}
s32 result = addShaderMaterial(vs, ps, callback, baseMaterial, userData);
delete [] vs;
delete [] ps;
return result;
}
//! Like IGPUProgrammingServices::addShaderMaterial(), but tries to load the
//! programs from files.
s32 CNullDriver::addShaderMaterialFromFiles(const io::path& vertexShaderProgramFileName,
const io::path& pixelShaderProgramFileName,
IShaderConstantSetCallBack* callback,
E_MATERIAL_TYPE baseMaterial,
s32 userData)
{
io::IReadFile* vsfile = 0;
io::IReadFile* psfile = 0;
if (vertexShaderProgramFileName.size())
{
vsfile = FileSystem->createAndOpenFile(vertexShaderProgramFileName);
if (!vsfile)
{
os::Printer::log("Could not open vertex shader program file",
vertexShaderProgramFileName, ELL_WARNING);
return -1;
}
}
if (pixelShaderProgramFileName.size())
{
psfile = FileSystem->createAndOpenFile(pixelShaderProgramFileName);
if (!psfile)
{
os::Printer::log("Could not open pixel shader program file",
pixelShaderProgramFileName, ELL_WARNING);
if (vsfile)
vsfile->drop();
return -1;
}
}
s32 result = addShaderMaterialFromFiles(vsfile, psfile, callback,
baseMaterial, userData);
if (psfile)
psfile->drop();
if (vsfile)
vsfile->drop();
return result;
}
//! Creates a render target texture.
ITexture* CNullDriver::addRenderTargetTexture(const core::dimension2d<u32>& size,
const io::path&name, const ECOLOR_FORMAT format)
{
return 0;
}
//! Clears the ZBuffer.
void CNullDriver::clearZBuffer()
{
}
//! Returns a pointer to the mesh manipulator.
scene::IMeshManipulator* CNullDriver::getMeshManipulator()
{
return MeshManipulator;
}
//! Returns an image created from the last rendered frame.
IImage* CNullDriver::createScreenShot()
{
return 0;
}
// prints renderer version
void CNullDriver::printVersion()
{
core::stringw namePrint = L"Using renderer: ";
namePrint += getName();
os::Printer::log(namePrint.c_str(), ELL_INFORMATION);
}
//! creates a video driver
IVideoDriver* createNullDriver(io::IFileSystem* io, const core::dimension2d<u32>& screenSize)
{
CNullDriver* nullDriver = new CNullDriver(io, screenSize);
// create empty material renderers
for(u32 i=0; sBuiltInMaterialTypeNames[i]; ++i)
{
IMaterialRenderer* imr = new IMaterialRenderer();
nullDriver->addMaterialRenderer(imr);
imr->drop();
}
return nullDriver;
}
//! Set/unset a clipping plane.
//! There are at least 6 clipping planes available for the user to set at will.
//! \param index: The plane index. Must be between 0 and MaxUserClipPlanes.
//! \param plane: The plane itself.
//! \param enable: If true, enable the clipping plane else disable it.
bool CNullDriver::setClipPlane(u32 index, const core::plane3df& plane, bool enable)
{
return false;
}
//! Enable/disable a clipping plane.
void CNullDriver::enableClipPlane(u32 index, bool enable)
{
// not necessary
}
ITexture* CNullDriver::createRenderTargetTexture(const core::dimension2d<u32>& size,
const c8* name)
{
os::Printer::log("createRenderTargetTexture is deprecated, use addRenderTargetTexture instead");
ITexture* tex = addRenderTargetTexture(size, name);
tex->grab();
return tex;
}
void CNullDriver::setMinHardwareBufferVertexCount(u32 count)
{
MinVertexCountForVBO = count;
}
SOverrideMaterial& CNullDriver::getOverrideMaterial()
{
return OverrideMaterial;
}
core::dimension2du CNullDriver::getMaxTextureSize() const
{
return core::dimension2du(0x10000,0x10000); // maybe large enough
}
} // end namespace
} // end namespace
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