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irrlicht/source/Irrlicht/CD3D8Texture.cpp

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// Copyright (C) 2002-2011 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_DIRECT3D_8_
#define _IRR_DONT_DO_MEMORY_DEBUGGING_HERE
#include "CD3D8Texture.h"
#include "CD3D8Driver.h"
#include "os.h"
#ifndef _IRR_COMPILE_WITH_DIRECT3D_9_
// The D3DXFilterTexture function seems to get linked wrong when
// compiling with both D3D8 and 9, causing it not to work in the D3D9 device.
// So mipmapgeneration is replaced with my own bad generation in d3d 8 when
// compiling with both D3D 8 and 9.
//#define _IRR_USE_D3DXFilterTexture_
#endif // _IRR_COMPILE_WITH_DIRECT3D_9_
#include <d3dx8tex.h>
#ifdef _IRR_USE_D3DXFilterTexture_
#pragma comment (lib, "d3dx8.lib")
#endif // _IRR_USE_D3DXFilterTexture_
namespace irr
{
namespace video
{
//! rendertarget constructor
CD3D8Texture::CD3D8Texture(CD3D8Driver* driver, const core::dimension2d<u32>& size, const io::path& name)
: ITexture(name), Texture(0), RTTSurface(0), Driver(driver),
TextureSize(size), ImageSize(size), Pitch(0),
HasMipMaps(false), IsRenderTarget(true)
{
#ifdef _DEBUG
setDebugName("CD3D8Texture");
#endif
Device=driver->getExposedVideoData().D3D8.D3DDev8;
if (Device)
Device->AddRef();
createRenderTarget();
}
//! constructor
CD3D8Texture::CD3D8Texture(IImage* image, CD3D8Driver* driver,
u32 flags, const io::path& name, void* mipmapData)
: ITexture(name), Texture(0), RTTSurface(0), Driver(driver),
TextureSize(0,0), ImageSize(0,0), Pitch(0),
HasMipMaps(false), IsRenderTarget(false)
{
#ifdef _DEBUG
setDebugName("CD3D8Texture");
#endif
HasMipMaps = Driver->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
Device=driver->getExposedVideoData().D3D8.D3DDev8;
if (Device)
Device->AddRef();
if (image)
{
if (createTexture(flags, image))
{
if (copyTexture(image))
{
regenerateMipMapLevels(mipmapData);
}
}
else
os::Printer::log("Could not create DIRECT3D8 Texture.", ELL_WARNING);
}
}
//! destructor
CD3D8Texture::~CD3D8Texture()
{
if (Texture)
Texture->Release();
if (RTTSurface)
RTTSurface->Release();
if (Device)
Device->Release();
}
//! creates the hardware texture
bool CD3D8Texture::createTexture(u32 flags, video::IImage* image)
{
ImageSize = image->getDimension();
core::dimension2d<u32> optSize = ImageSize.getOptimalSize(!Driver->queryFeature(EVDF_TEXTURE_NPOT), !Driver->queryFeature(EVDF_TEXTURE_NSQUARE), true, Driver->Caps.MaxTextureWidth);
D3DFORMAT format = D3DFMT_A1R5G5B5;
switch(getTextureFormatFromFlags(flags))
{
case ETCF_ALWAYS_16_BIT:
format = D3DFMT_A1R5G5B5; break;
case ETCF_ALWAYS_32_BIT:
format = D3DFMT_A8R8G8B8; break;
case ETCF_OPTIMIZED_FOR_QUALITY:
{
switch(image->getColorFormat())
{
case ECF_R8G8B8:
case ECF_A8R8G8B8:
format = D3DFMT_A8R8G8B8; break;
case ECF_A1R5G5B5:
case ECF_R5G6B5:
format = D3DFMT_A1R5G5B5; break;
}
}
break;
case ETCF_OPTIMIZED_FOR_SPEED:
format = D3DFMT_A1R5G5B5; break;
}
if (Driver->getTextureCreationFlag(video::ETCF_NO_ALPHA_CHANNEL))
{
if (format == D3DFMT_A8R8G8B8)
#ifdef _IRR_XBOX_PLATFORM_
format = D3DFMT_X8R8G8B8;
#else
format = D3DFMT_R8G8B8;
#endif
else if (format == D3DFMT_A1R5G5B5)
format = D3DFMT_R5G6B5;
}
const bool mipmaps = Driver->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
HRESULT hr = Device->CreateTexture(optSize.Width, optSize.Height,
mipmaps ? 0 : 1, // number of mipmaplevels (0 = automatic all)
0, format, D3DPOOL_MANAGED, &Texture);
if (FAILED(hr))
{
// try brute force 16 bit
if (format == D3DFMT_A8R8G8B8)
format = D3DFMT_A1R5G5B5;
#ifdef _IRR_XBOX_PLATFORM_
else if (format == D3DFMT_X8R8G8B8)
format = D3DFMT_R5G6B5;
#else
else if (format == D3DFMT_R8G8B8)
format = D3DFMT_R5G6B5;
#endif
else
return false;
hr = Device->CreateTexture(optSize.Width, optSize.Height,
mipmaps ? 0 : 1, // number of mipmaplevels (0 = automatic all)
0, format, D3DPOOL_MANAGED, &Texture);
}
ColorFormat = getColorFormatFromD3DFormat(format);
return (SUCCEEDED(hr));
}
//! copies the image to the texture
bool CD3D8Texture::copyTexture(video::IImage* image)
{
if (Texture && image)
{
D3DSURFACE_DESC desc;
Texture->GetLevelDesc(0, &desc);
TextureSize.Width = desc.Width;
TextureSize.Height = desc.Height;
D3DLOCKED_RECT rect;
HRESULT hr = Texture->LockRect(0, &rect, 0, 0);
if (FAILED(hr))
{
os::Printer::log("Could not lock D3D8 Texture.", ELL_ERROR);
return false;
}
Pitch = rect.Pitch;
image->copyToScaling(rect.pBits, TextureSize.Width, TextureSize.Height, ColorFormat, Pitch);
hr = Texture->UnlockRect(0);
if (FAILED(hr))
{
os::Printer::log("Could not unlock D3D8 Texture.", ELL_ERROR);
return false;
}
}
return true;
}
//! lock function
void* CD3D8Texture::lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel)
{
if (!Texture)
return 0;
MipLevelLocked=mipmapLevel;
HRESULT hr;
D3DLOCKED_RECT rect;
if(!IsRenderTarget)
{
hr = Texture->LockRect(mipmapLevel, &rect, 0, (mode==ETLM_READ_ONLY)?D3DLOCK_READONLY:0);
if (FAILED(hr))
{
os::Printer::log("Could not lock DIRECT3D9 Texture.", ELL_ERROR);
return 0;
}
}
else
{
if (!RTTSurface)
{
// Make RTT surface large enough for all miplevels (including 0)
D3DSURFACE_DESC desc;
Texture->GetLevelDesc(0, &desc);
hr = Device->CreateImageSurface(desc.Width, desc.Height, desc.Format, &RTTSurface);
if (FAILED(hr))
{
os::Printer::log("Could not lock DIRECT3D8 Texture.", ELL_ERROR);
return 0;
}
}
IDirect3DSurface8 *surface = 0;
hr = Texture->GetSurfaceLevel(mipmapLevel, &surface);
if (FAILED(hr))
{
os::Printer::log("Could not lock DIRECT3D8 Texture.", "Could not get surface.", ELL_ERROR);
return 0;
}
hr = Device->CopyRects(surface, 0, 0, RTTSurface, 0);
surface->Release();
if(FAILED(hr))
{
os::Printer::log("Could not lock DIRECT3D8 Texture.", "Data copy failed.", ELL_ERROR);
return 0;
}
hr = RTTSurface->LockRect(&rect, 0, (mode==ETLM_READ_ONLY)?D3DLOCK_READONLY:0);
if(FAILED(hr))
{
os::Printer::log("Could not lock DIRECT3D8 Texture.", "LockRect failed.", ELL_ERROR);
return 0;
}
}
return rect.pBits;
}
//! unlock function
void CD3D8Texture::unlock()
{
if (!Texture)
return;
if (!IsRenderTarget)
Texture->UnlockRect(MipLevelLocked);
else if (RTTSurface)
RTTSurface->UnlockRect();
}
//! Returns original size of the texture.
const core::dimension2d<u32>& CD3D8Texture::getOriginalSize() const
{
return ImageSize;
}
//! Returns (=size) of the texture.
const core::dimension2d<u32>& CD3D8Texture::getSize() const
{
return TextureSize;
}
//! returns driver type of texture (=the driver, who created the texture)
E_DRIVER_TYPE CD3D8Texture::getDriverType() const
{
return EDT_DIRECT3D8;
}
//! returns color format of texture
ECOLOR_FORMAT CD3D8Texture::getColorFormat() const
{
return ColorFormat;
}
//! returns pitch of texture (in bytes)
u32 CD3D8Texture::getPitch() const
{
return Pitch;
}
//! returns the DIRECT3D8 Texture
IDirect3DTexture8* CD3D8Texture::getDX8Texture() const
{
return Texture;
}
//! returns if texture has mipmap levels
bool CD3D8Texture::hasMipMaps() const
{
return HasMipMaps;
}
// The D3DXFilterTexture function seems to get linked wrong when
// compiling with both D3D8 and 9, causing it not to work in the D3D9 device.
// So mipmapgeneration is replaced with my own bad generation in d3d 8 when
// compiling with both D3D 8 and 9.
bool CD3D8Texture::createMipMaps(u32 level)
{
if (level==0)
return true;
IDirect3DSurface8* upperSurface = 0;
IDirect3DSurface8* lowerSurface = 0;
// get upper level
HRESULT hr = Texture->GetSurfaceLevel(level-1, &upperSurface);
if (FAILED(hr) || !upperSurface)
{
os::Printer::log("Could not get upper surface level for mip map generation", ELL_WARNING);
return false;
}
// get lower level
hr = Texture->GetSurfaceLevel(level, &lowerSurface);
if (FAILED(hr) || !lowerSurface)
{
os::Printer::log("Could not get lower surface level for mip map generation", ELL_WARNING);
upperSurface->Release();
return false;
}
D3DSURFACE_DESC upperDesc, lowerDesc;
upperSurface->GetDesc(&upperDesc);
lowerSurface->GetDesc(&lowerDesc);
D3DLOCKED_RECT upperlr;
D3DLOCKED_RECT lowerlr;
// lock upper surface
if (FAILED(upperSurface->LockRect(&upperlr, NULL, 0)))
{
os::Printer::log("Could not lock upper texture for mip map generation", ELL_WARNING);
upperSurface->Release();
lowerSurface->Release();
return false;
}
// lock lower surface
if (FAILED(lowerSurface->LockRect(&lowerlr, NULL, 0)))
{
os::Printer::log("Could not lock lower texture for mip map generation", ELL_WARNING);
upperSurface->UnlockRect();
upperSurface->Release();
lowerSurface->Release();
return false;
}
if (upperDesc.Format != lowerDesc.Format)
{
os::Printer::log("Cannot copy mip maps with different formats.", ELL_WARNING);
}
else
{
if (upperDesc.Format == D3DFMT_A1R5G5B5)
copy16BitMipMap((char*)upperlr.pBits, (char*)lowerlr.pBits,
lowerDesc.Width, lowerDesc.Height,
upperlr.Pitch, lowerlr.Pitch);
else
if (upperDesc.Format == D3DFMT_A8R8G8B8)
copy32BitMipMap((char*)upperlr.pBits, (char*)lowerlr.pBits,
lowerDesc.Width, lowerDesc.Height,
upperlr.Pitch, lowerlr.Pitch);
else
os::Printer::log("Unsupported mipmap format, cannot copy.", ELL_WARNING);
}
bool result=true;
// unlock
if (FAILED(upperSurface->UnlockRect()))
result=false;
if (FAILED(lowerSurface->UnlockRect()))
result=false;
// release
upperSurface->Release();
lowerSurface->Release();
if (!result || upperDesc.Width < 3 || upperDesc.Height < 3)
return result; // stop generating levels
// generate next level
return createMipMaps(level+1);
}
ECOLOR_FORMAT CD3D8Texture::getColorFormatFromD3DFormat(D3DFORMAT format)
{
switch(format)
{
case D3DFMT_X1R5G5B5:
case D3DFMT_A1R5G5B5:
Pitch = TextureSize.Width * 2;
return ECF_A1R5G5B5;
break;
case D3DFMT_A8R8G8B8:
case D3DFMT_X8R8G8B8:
Pitch = TextureSize.Width * 4;
return ECF_A8R8G8B8;
break;
case D3DFMT_R5G6B5:
Pitch = TextureSize.Width * 2;
return ECF_R5G6B5;
break;
default:
return (ECOLOR_FORMAT)0;
};
}
void CD3D8Texture::copy16BitMipMap(char* src, char* tgt,
s32 width, s32 height,
s32 pitchsrc, s32 pitchtgt) const
{
u16 c;
for (int x=0; x<width; ++x)
{
for (int y=0; y<height; ++y)
{
s32 a=0, r=0, g=0, b=0;
for (int dx=0; dx<2; ++dx)
{
for (int dy=0; dy<2; ++dy)
{
int tgx = (x*2)+dx;
int tgy = (y*2)+dy;
c = *(u16*)((void*)&src[(tgx*2)+(tgy*pitchsrc)]);
a += getAlpha(c);
r += getRed(c);
g += getGreen(c);
b += getBlue(c);
}
}
a /= 4;
r /= 4;
g /= 4;
b /= 4;
c = ((a & 0x1) <<15) | ((r & 0x1F)<<10) | ((g & 0x1F)<<5) | (b & 0x1F);
*(u16*)((void*)&tgt[(x*2)+(y*pitchtgt)]) = c;
}
}
}
void CD3D8Texture::copy32BitMipMap(char* src, char* tgt,
s32 width, s32 height,
s32 pitchsrc, s32 pitchtgt) const
{
SColor c;
for (int x=0; x<width; ++x)
{
for (int y=0; y<height; ++y)
{
s32 a=0, r=0, g=0, b=0;
for (int dx=0; dx<2; ++dx)
{
for (int dy=0; dy<2; ++dy)
{
int tgx = (x*2)+dx;
int tgy = (y*2)+dy;
c = *(u32*)((void*)&src[(tgx<<2)+(tgy*pitchsrc)]);
a += c.getAlpha();
r += c.getRed();
g += c.getGreen();
b += c.getBlue();
}
}
a >>= 2;
r >>= 2;
g >>= 2;
b >>= 2;
c = ((a & 0xff)<<24) | ((r & 0xff)<<16) | ((g & 0xff)<<8) | (b & 0xff);
*(u32*)((void*)&tgt[(x*4)+(y*pitchtgt)]) = c.color;
}
}
}
void CD3D8Texture::createRenderTarget()
{
TextureSize = TextureSize.getOptimalSize(!Driver->queryFeature(EVDF_TEXTURE_NPOT), !Driver->queryFeature(EVDF_TEXTURE_NSQUARE), true, Driver->Caps.MaxTextureWidth);
// get backbuffer format to create the render target in the
// same format
IDirect3DSurface8* bb;
D3DFORMAT d3DFormat = D3DFMT_A8R8G8B8;
if (!FAILED(Device->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &bb)))
{
D3DSURFACE_DESC desc;
bb->GetDesc(&desc);
d3DFormat = desc.Format;
if (d3DFormat == D3DFMT_X8R8G8B8)
d3DFormat = D3DFMT_A8R8G8B8;
bb->Release();
}
else
{
os::Printer::log("Could not create RenderTarget texture: could not get BackBuffer.",
ELL_WARNING);
return;
}
// create texture
HRESULT hr;
hr = Device->CreateTexture(
TextureSize.Width,
TextureSize.Height,
1, // mip map level count, we don't want mipmaps here
D3DUSAGE_RENDERTARGET,
d3DFormat,
D3DPOOL_DEFAULT,
&Texture);
// get irrlicht format from D3D format
ColorFormat = getColorFormatFromD3DFormat(d3DFormat);
if (FAILED(hr))
os::Printer::log("Could not create render target texture");
}
//! Regenerates the mip map levels of the texture. Useful after locking and
//! modifying the texture
void CD3D8Texture::regenerateMipMapLevels(void* mipmapData)
{
if (mipmapData)
{
core::dimension2du size = TextureSize;
u32 level=0;
do
{
if (size.Width>1)
size.Width /=2;
if (size.Height>1)
size.Height /=2;
++level;
IDirect3DSurface8* mipSurface = 0;
HRESULT hr = Texture->GetSurfaceLevel(level, &mipSurface);
if (FAILED(hr) || !mipSurface)
{
os::Printer::log("Could not get mipmap level", ELL_WARNING);
return;
}
D3DSURFACE_DESC mipDesc;
mipSurface->GetDesc(&mipDesc);
D3DLOCKED_RECT miplr;
// lock mipmap surface
if (FAILED(mipSurface->LockRect(&miplr, NULL, 0)))
{
mipSurface->Release();
os::Printer::log("Could not lock texture", ELL_WARNING);
return;
}
memcpy(miplr.pBits, mipmapData, size.getArea()*getPitch()/TextureSize.Width);
mipmapData = (u8*)mipmapData+size.getArea()*getPitch()/TextureSize.Width;
// unlock
mipSurface->UnlockRect();
// release
mipSurface->Release();
} while (size.Width != 1 || size.Height != 1);
}
else if (HasMipMaps)
{
// create mip maps.
#ifndef _IRR_USE_D3DXFilterTexture_
// The D3DXFilterTexture function seems to get linked wrong when
// compiling with both D3D8 and 9, causing it not to work in the D3D9 device.
// So mipmapgeneration is replaced with my own bad generation in d3d 8 when
// compiling with both D3D 8 and 9.
HRESULT hr = D3DXFilterTexture(Texture, NULL, D3DX_DEFAULT , D3DX_DEFAULT );
if (FAILED(hr))
#endif
createMipMaps();
}
}
//! returns if it is a render target
bool CD3D8Texture::isRenderTarget() const
{
return IsRenderTarget;
}
//! Returns pointer to the render target surface
IDirect3DSurface8* CD3D8Texture::getRenderTargetSurface()
{
if (!IsRenderTarget)
return 0;
IDirect3DSurface8 *pRTTSurface = 0;
if (Texture)
Texture->GetSurfaceLevel(0, &pRTTSurface);
if (pRTTSurface)
pRTTSurface->Release();
return pRTTSurface;
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_DIRECT3D_8_
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