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#include "texture_d3d9.h"
#include <stdexcept>
#include <cassert>
#include "graphics_interface.h"
#include "context_d3d9.h"
#include "d3d9_util.h"
#include "leak_dumper.h"
using namespace std;
using namespace Shared::Graphics;
namespace Shared{ namespace Graphics{ namespace D3d9{
// ===============================================
// class Texture2DD3d9
// ===============================================
D3DFORMAT toFormatD3d(Texture::Format format, int components){
switch(format){
case Texture::fAuto:
switch(components){
case 1:
return D3DFMT_L8;
case 3:
return D3DFMT_X8R8G8B8;
case 4:
return D3DFMT_A8R8G8B8;
default:
assert(false);
return D3DFMT_A8R8G8B8;
}
break;
case Texture::fLuminance:
return D3DFMT_L8;
case Texture::fAlpha:
return D3DFMT_A8;
case Texture::fRgb:
return D3DFMT_X8R8G8B8;
case Texture::fRgba:
return D3DFMT_A8R8G8B8;
default:
assert(false);
return D3DFMT_A8R8G8B8;
}
}
void fillPixels(uint8 *texturePixels, const Pixmap2D *pixmap){
for(int i=0; i<pixmap->getW(); ++i){
for(int j=0; j<pixmap->getH(); ++j){
int k= j*pixmap->getW()+i;
Vec4<uint8> pixel;
pixmap->getPixel(i, j, pixel.ptr());
switch(pixmap->getComponents()){
case 1:
texturePixels[k]= pixel.x;
break;
case 3:
texturePixels[k*4]= pixel.z;
texturePixels[k*4+1]= pixel.y;
texturePixels[k*4+2]= pixel.x;
break;
case 4:
texturePixels[k*4]= pixel.z;
texturePixels[k*4+1]= pixel.y;
texturePixels[k*4+2]= pixel.x;
texturePixels[k*4+3]= pixel.w;
break;
default:
assert(false);
}
}
}
}
void Texture2DD3d9::init(Filter textureFilter, int maxAnisotropy){
if(!inited){
//get device
GraphicsInterface &gi= GraphicsInterface::getInstance();
ContextD3d9 *context= static_cast<ContextD3d9*>(gi.getCurrentContext());
IDirect3DDevice9 *d3dDevice= context->getD3dDevice();
bool mipmapCaps= (context->getCaps()->TextureCaps & D3DPTEXTURECAPS_MIPCUBEMAP) != 0;
bool autogenMipmap= mipmapCaps && mipmap;
int w= pixmapInit? pixmap.getW(): defaultSize;
int h= pixmapInit? pixmap.getH(): defaultSize;
//create texture
D3DCALL(d3dDevice->CreateTexture(
w,
h,
autogenMipmap? 0: 1,
autogenMipmap? D3DUSAGE_AUTOGENMIPMAP: 0,
toFormatD3d(format, pixmap.getComponents()),
D3DPOOL_MANAGED,
&d3dTexture,
NULL));
if(pixmapInit){
//lock
D3DLOCKED_RECT lockedRect;
D3DCALL(d3dTexture->LockRect(0, &lockedRect, NULL, 0));
//copy
fillPixels(reinterpret_cast<uint8*>(lockedRect.pBits), &pixmap);
//unlock
D3DCALL(d3dTexture->UnlockRect(0));
}
inited= true;
}
}
void Texture2DD3d9::end(){
if(inited){
d3dTexture->Release();
}
}
// ===============================================
// class TextureCubeD3d9
// ===============================================
void TextureCubeD3d9::init(Filter textureFilter, int maxAnisotropy){
//get device
if(!inited){
GraphicsInterface &gi= GraphicsInterface::getInstance();
ContextD3d9 *context= static_cast<ContextD3d9*>(gi.getCurrentContext());
IDirect3DDevice9 *d3dDevice= context->getD3dDevice();
const Pixmap2D *face0= pixmap.getFace(0);
int l= pixmapInit? face0->getW(): defaultSize;
int components= face0->getComponents();
//check dimensions and face components
if(pixmapInit){
for(int i=0; i<6; ++i){
const Pixmap2D *currentFace= pixmap.getFace(i);
if(currentFace->getW()!=l || currentFace->getH()!=l){
throw runtime_error("Can't create Direct3D cube texture: dimensions don't agree");
}
if(currentFace->getComponents()!=components){
throw runtime_error("Can't create Direct3D cube texture: components don't agree");
}
}
}
bool mipmapCaps= (context->getCaps()->TextureCaps & D3DPTEXTURECAPS_MIPCUBEMAP) != 0;
bool autogenMipmap= mipmapCaps && mipmap;
//create texture
D3DCALL(d3dDevice->CreateCubeTexture(
l,
autogenMipmap? 0: 1,
autogenMipmap? D3DUSAGE_AUTOGENMIPMAP: 0,
toFormatD3d(format, components),
D3DPOOL_MANAGED,
&d3dCubeTexture,
NULL));
if(pixmapInit){
for(int i=0; i<6; ++i){
//lock
D3DLOCKED_RECT lockedRect;
D3DCALL(d3dCubeTexture->LockRect(static_cast<D3DCUBEMAP_FACES>(i), 0, &lockedRect, NULL, 0));
//copy
fillPixels(reinterpret_cast<uint8*>(lockedRect.pBits), pixmap.getFace(i));
//unlock
D3DCALL(d3dCubeTexture->UnlockRect(static_cast<D3DCUBEMAP_FACES>(i), 0));
}
}
inited= true;
}
}
void TextureCubeD3d9::end(){
if(inited){
d3dCubeTexture->Release();
}
}
}}}//end namespace
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