dlls/d3dx9_36/sprite.c

   1 /*
   2  * Copyright (C) 2008 Tony Wasserka
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include "wine/debug.h"
  21 #include "d3dx9_36_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  24
  25 /* the combination of all possible D3DXSPRITE flags */
  26 #define D3DXSPRITE_FLAGLIMIT 511
  27
  28 typedef struct _SPRITEVERTEX {
  29     D3DXVECTOR3 pos;
  30     DWORD col;
  31     D3DXVECTOR2 tex;
  32 } SPRITEVERTEX;
  33
  34 typedef struct _SPRITE {
  35     IDirect3DTexture9 *texture;
  36     UINT texw, texh;
  37     RECT rect;
  38     D3DXVECTOR3 center;
  39     D3DXVECTOR3 pos;
  40     D3DCOLOR color;
  41     D3DXMATRIX transform;
  42 } SPRITE;
  43
  44 typedef struct ID3DXSpriteImpl
  45 {
  46     ID3DXSprite ID3DXSprite_iface;
  47     LONG ref;
  48
  49     IDirect3DDevice9 *device;
  50     IDirect3DVertexDeclaration9 *vdecl;
  51     IDirect3DStateBlock9 *stateblock;
  52     D3DXMATRIX transform;
  53     D3DXMATRIX view;
  54     DWORD flags;
  55     BOOL ready;
  56
  57     /* Store the relevant caps to prevent multiple GetDeviceCaps calls */
  58     DWORD texfilter_caps;
  59     DWORD maxanisotropy;
  60     DWORD alphacmp_caps;
  61
  62     SPRITE *sprites;
  63     int sprite_count;      /* number of sprites to be drawn */
  64     int allocated_sprites; /* number of (pre-)allocated sprites */
  65 } ID3DXSpriteImpl;
  66
  67 static inline ID3DXSpriteImpl *impl_from_ID3DXSprite(ID3DXSprite *iface)
  68 {
  69     return CONTAINING_RECORD(iface, ID3DXSpriteImpl, ID3DXSprite_iface);
  70 }
  71
  72 static HRESULT WINAPI ID3DXSpriteImpl_QueryInterface(ID3DXSprite *iface, REFIID riid, void **out)
  73 {
  74     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  75
  76     if (IsEqualGUID(riid, &IID_ID3DXSprite)
  77             || IsEqualGUID(riid, &IID_IUnknown))
  78     {
  79         IUnknown_AddRef(iface);
  80         *out = iface;
  81         return S_OK;
  82     }
  83
  84     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  85
  86     *out = NULL;
  87     return E_NOINTERFACE;
  88 }
  89
  90 static ULONG WINAPI ID3DXSpriteImpl_AddRef(ID3DXSprite *iface)
  91 {
  92     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
  93     ULONG ref=InterlockedIncrement(&This->ref);
  94     TRACE("(%p)->(): AddRef from %d\n", This, ref-1);
  95     return ref;
  96 }
  97
  98 static ULONG WINAPI ID3DXSpriteImpl_Release(ID3DXSprite *iface)
  99 {
 100     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 101     ULONG ref=InterlockedDecrement(&This->ref);
 102
 103     TRACE("(%p)->(): ReleaseRef to %d\n", This, ref);
 104
 105     if(ref==0) {
 106         if(This->sprites) {
 107             int i;
 108             for(i=0;i<This->sprite_count;i++)
 109                 if(This->sprites[i].texture)
 110                     IDirect3DTexture9_Release(This->sprites[i].texture);
 111
 112             HeapFree(GetProcessHeap(), 0, This->sprites);
 113         }
 114         if(This->stateblock) IDirect3DStateBlock9_Release(This->stateblock);
 115         if(This->vdecl) IDirect3DVertexDeclaration9_Release(This->vdecl);
 116         if(This->device) IDirect3DDevice9_Release(This->device);
 117         HeapFree(GetProcessHeap(), 0, This);
 118     }
 119     return ref;
 120 }
 121
 122 static HRESULT WINAPI ID3DXSpriteImpl_GetDevice(ID3DXSprite *iface, LPDIRECT3DDEVICE9 *device)
 123 {
 124     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 125
 126     TRACE("(%p)->(%p): relay\n", This, device);
 127
 128     if(device==NULL) return D3DERR_INVALIDCALL;
 129     *device=This->device;
 130     IDirect3DDevice9_AddRef(This->device);
 131
 132     return D3D_OK;
 133 }
 134
 135 static HRESULT WINAPI ID3DXSpriteImpl_GetTransform(ID3DXSprite *iface, D3DXMATRIX *transform)
 136 {
 137     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 138
 139     TRACE("(%p)->(%p)\n", This, transform);
 140
 141     if(transform==NULL) return D3DERR_INVALIDCALL;
 142     *transform=This->transform;
 143
 144     return D3D_OK;
 145 }
 146
 147 static HRESULT WINAPI ID3DXSpriteImpl_SetTransform(ID3DXSprite *iface, CONST D3DXMATRIX *transform)
 148 {
 149     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 150
 151     TRACE("(%p)->(%p)\n", This, transform);
 152
 153     if(transform==NULL) return D3DERR_INVALIDCALL;
 154     This->transform=*transform;
 155
 156     return D3D_OK;
 157 }
 158
 159 static HRESULT WINAPI ID3DXSpriteImpl_SetWorldViewRH(ID3DXSprite *iface, CONST D3DXMATRIX *world,
 160         CONST D3DXMATRIX *view)
 161 {
 162     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 163     FIXME("(%p)->(%p, %p): stub\n", This, world, view);
 164     return E_NOTIMPL;
 165 }
 166
 167 static HRESULT WINAPI ID3DXSpriteImpl_SetWorldViewLH(ID3DXSprite *iface, CONST D3DXMATRIX *world,
 168         CONST D3DXMATRIX *view)
 169 {
 170     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 171     FIXME("(%p)->(%p, %p): stub\n", This, world, view);
 172     return E_NOTIMPL;
 173 }
 174
 175 /* Helper function */
 176 static void set_states(ID3DXSpriteImpl *object)
 177 {
 178     D3DXMATRIX mat;
 179     D3DVIEWPORT9 vp;
 180
 181     /* Miscelaneous stuff */
 182     IDirect3DDevice9_SetVertexShader(object->device, NULL);
 183     IDirect3DDevice9_SetPixelShader(object->device, NULL);
 184     IDirect3DDevice9_SetNPatchMode(object->device, 0.0f);
 185
 186     /* Render states */
 187     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHABLENDENABLE, TRUE);
 188     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHAFUNC, D3DCMP_GREATER);
 189     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHAREF, 0x00);
 190     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHATESTENABLE, object->alphacmp_caps);
 191     IDirect3DDevice9_SetRenderState(object->device, D3DRS_BLENDOP, D3DBLENDOP_ADD);
 192     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CLIPPING, TRUE);
 193     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CLIPPLANEENABLE, FALSE);
 194     IDirect3DDevice9_SetRenderState(object->device, D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE |
 195                                     D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
 196     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CULLMODE, D3DCULL_NONE);
 197     IDirect3DDevice9_SetRenderState(object->device, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
 198     IDirect3DDevice9_SetRenderState(object->device, D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_COLOR1);
 199     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ENABLEADAPTIVETESSELLATION, FALSE);
 200     IDirect3DDevice9_SetRenderState(object->device, D3DRS_FILLMODE, D3DFILL_SOLID);
 201     IDirect3DDevice9_SetRenderState(object->device, D3DRS_FOGENABLE, FALSE);
 202     IDirect3DDevice9_SetRenderState(object->device, D3DRS_INDEXEDVERTEXBLENDENABLE, FALSE);
 203     IDirect3DDevice9_SetRenderState(object->device, D3DRS_LIGHTING, FALSE);
 204     IDirect3DDevice9_SetRenderState(object->device, D3DRS_RANGEFOGENABLE, FALSE);
 205     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SEPARATEALPHABLENDENABLE, FALSE);
 206     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SHADEMODE, D3DSHADE_GOURAUD);
 207     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SPECULARENABLE, FALSE);
 208     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
 209     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SRGBWRITEENABLE, FALSE);
 210     IDirect3DDevice9_SetRenderState(object->device, D3DRS_STENCILENABLE, FALSE);
 211     IDirect3DDevice9_SetRenderState(object->device, D3DRS_VERTEXBLEND, FALSE);
 212     IDirect3DDevice9_SetRenderState(object->device, D3DRS_WRAP0, 0);
 213
 214     /* Texture stage states */
 215     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
 216     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
 217     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
 218     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
 219     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
 220     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);
 221     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_TEXCOORDINDEX, 0);
 222     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE);
 223     IDirect3DDevice9_SetTextureStageState(object->device, 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
 224     IDirect3DDevice9_SetTextureStageState(object->device, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
 225
 226     /* Sampler states */
 227     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
 228     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
 229
 230     if(object->texfilter_caps & D3DPTFILTERCAPS_MAGFANISOTROPIC)
 231         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC);
 232     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
 233
 234     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAXMIPLEVEL, 0);
 235     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAXANISOTROPY, object->maxanisotropy);
 236
 237     if(object->texfilter_caps & D3DPTFILTERCAPS_MINFANISOTROPIC)
 238         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC);
 239     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
 240
 241     if(object->texfilter_caps & D3DPTFILTERCAPS_MIPFLINEAR)
 242         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
 243     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);
 244
 245     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPMAPLODBIAS, 0);
 246     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_SRGBTEXTURE, 0);
 247
 248     /* Matrices */
 249     D3DXMatrixIdentity(&mat);
 250     IDirect3DDevice9_SetTransform(object->device, D3DTS_WORLD, &mat);
 251     IDirect3DDevice9_SetTransform(object->device, D3DTS_VIEW, &object->view);
 252     IDirect3DDevice9_GetViewport(object->device, &vp);
 253     D3DXMatrixOrthoOffCenterLH(&mat, vp.X+0.5f, (float)vp.Width+vp.X+0.5f, (float)vp.Height+vp.Y+0.5f, vp.Y+0.5f, vp.MinZ, vp.MaxZ);
 254     IDirect3DDevice9_SetTransform(object->device, D3DTS_PROJECTION, &mat);
 255 }
 256
 257 static HRESULT WINAPI ID3DXSpriteImpl_Begin(ID3DXSprite *iface, DWORD flags)
 258 {
 259     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 260     HRESULT hr;
 261     TRACE("(%p): relay\n", This);
 262
 263     if(flags>D3DXSPRITE_FLAGLIMIT || This->ready) return D3DERR_INVALIDCALL;
 264
 265 /* TODO: Implement flags:
 266 D3DXSPRITE_BILLBOARD: makes the sprite always face the camera
 267 D3DXSPRITE_DONOTMODIFY_RENDERSTATE: name says it all
 268 D3DXSPRITE_OBJECTSPACE: do not change device transforms
 269 D3DXSPRITE_SORT_DEPTH_BACKTOFRONT: sort by position
 270 D3DXSPRITE_SORT_DEPTH_FRONTTOBACK: sort by position
 271 D3DXSPRITE_SORT_TEXTURE: sort by texture (so that it doesn't change too often)
 272 */
 273 /* Seems like alpha blending is always enabled, regardless of D3DXSPRITE_ALPHABLEND flag */
 274     if(flags & (D3DXSPRITE_BILLBOARD |
 275                 D3DXSPRITE_DONOTMODIFY_RENDERSTATE | D3DXSPRITE_OBJECTSPACE |
 276                 D3DXSPRITE_SORT_DEPTH_BACKTOFRONT))
 277         FIXME("Flags unsupported: %#x\n", flags);
 278     /* These flags should only matter to performances */
 279     else if(flags & (D3DXSPRITE_SORT_DEPTH_FRONTTOBACK | D3DXSPRITE_SORT_TEXTURE))
 280         TRACE("Flags unsupported: %#x\n", flags);
 281
 282     if(This->vdecl==NULL) {
 283         static const D3DVERTEXELEMENT9 elements[] =
 284         {
 285             { 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
 286             { 0, 12, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 },
 287             { 0, 16, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
 288             D3DDECL_END()
 289         };
 290         IDirect3DDevice9_CreateVertexDeclaration(This->device, elements, &This->vdecl);
 291     }
 292
 293     if(!(flags & D3DXSPRITE_DONOTSAVESTATE)) {
 294         if(This->stateblock==NULL) {
 295             /* Tell our state block what it must store */
 296             hr=IDirect3DDevice9_BeginStateBlock(This->device);
 297             if(hr!=D3D_OK) return hr;
 298
 299             set_states(This);
 300
 301             IDirect3DDevice9_SetVertexDeclaration(This->device, This->vdecl);
 302             IDirect3DDevice9_SetStreamSource(This->device, 0, NULL, 0, sizeof(SPRITEVERTEX));
 303             IDirect3DDevice9_SetIndices(This->device, NULL);
 304             IDirect3DDevice9_SetTexture(This->device, 0, NULL);
 305
 306             IDirect3DDevice9_EndStateBlock(This->device, &This->stateblock);
 307         }
 308         IDirect3DStateBlock9_Capture(This->stateblock); /* Save current state */
 309     }
 310
 311     /* Apply device state */
 312     set_states(This);
 313
 314     This->flags=flags;
 315     This->ready=TRUE;
 316
 317     return D3D_OK;
 318 }
 319
 320 static HRESULT WINAPI ID3DXSpriteImpl_Draw(ID3DXSprite *iface, LPDIRECT3DTEXTURE9 texture,
 321         CONST RECT *rect, CONST D3DXVECTOR3 *center, CONST D3DXVECTOR3 *position, D3DCOLOR color)
 322 {
 323     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 324     D3DSURFACE_DESC texdesc;
 325
 326     TRACE("(%p)->(%p, %p, %p, %p, %#x): relay\n", This, texture, rect, center, position, color);
 327
 328     if(texture==NULL) return D3DERR_INVALIDCALL;
 329     if(!This->ready) return D3DERR_INVALIDCALL;
 330
 331     if(This->allocated_sprites==0) {
 332         This->sprites=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 32*sizeof(SPRITE));
 333         This->allocated_sprites=32;
 334     } else if(This->allocated_sprites<=This->sprite_count) {
 335         This->allocated_sprites=This->allocated_sprites*3/2;
 336         This->sprites=HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->sprites, This->allocated_sprites*sizeof(SPRITE));
 337     }
 338     This->sprites[This->sprite_count].texture=texture;
 339     if(!(This->flags & D3DXSPRITE_DO_NOT_ADDREF_TEXTURE))
 340         IDirect3DTexture9_AddRef(texture);
 341
 342     /* Reuse the texture desc if possible */
 343     if(This->sprite_count) {
 344         if(This->sprites[This->sprite_count-1].texture!=texture) {
 345             IDirect3DTexture9_GetLevelDesc(texture, 0, &texdesc);
 346         } else {
 347             texdesc.Width=This->sprites[This->sprite_count-1].texw;
 348             texdesc.Height=This->sprites[This->sprite_count-1].texh;
 349         }
 350     } else IDirect3DTexture9_GetLevelDesc(texture, 0, &texdesc);
 351
 352     This->sprites[This->sprite_count].texw=texdesc.Width;
 353     This->sprites[This->sprite_count].texh=texdesc.Height;
 354
 355     if(rect==NULL) {
 356         This->sprites[This->sprite_count].rect.left=0;
 357         This->sprites[This->sprite_count].rect.top=0;
 358         This->sprites[This->sprite_count].rect.right=texdesc.Width;
 359         This->sprites[This->sprite_count].rect.bottom=texdesc.Height;
 360     } else This->sprites[This->sprite_count].rect=*rect;
 361
 362     if(center==NULL) {
 363         This->sprites[This->sprite_count].center.x=0.0f;
 364         This->sprites[This->sprite_count].center.y=0.0f;
 365         This->sprites[This->sprite_count].center.z=0.0f;
 366     } else This->sprites[This->sprite_count].center=*center;
 367
 368     if(position==NULL) {
 369         This->sprites[This->sprite_count].pos.x=0.0f;
 370         This->sprites[This->sprite_count].pos.y=0.0f;
 371         This->sprites[This->sprite_count].pos.z=0.0f;
 372     } else This->sprites[This->sprite_count].pos=*position;
 373
 374     This->sprites[This->sprite_count].color=color;
 375     This->sprites[This->sprite_count].transform=This->transform;
 376     This->sprite_count++;
 377
 378     return D3D_OK;
 379 }
 380
 381 static HRESULT WINAPI ID3DXSpriteImpl_Flush(ID3DXSprite *iface)
 382 {
 383     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 384     SPRITEVERTEX *vertices;
 385     int i, count=0, start;
 386     TRACE("(%p)->(): relay\n", This);
 387
 388     if(!This->ready) return D3DERR_INVALIDCALL;
 389     if(!This->sprite_count) return D3D_OK;
 390
 391 /* TODO: use of a vertex buffer here */
 392     vertices=HeapAlloc(GetProcessHeap(), 0, sizeof(SPRITEVERTEX)*6*This->sprite_count);
 393
 394     for(start=0;start<This->sprite_count;start+=count,count=0) {
 395         i=start;
 396         while(i<This->sprite_count &&
 397               (count==0 || This->sprites[i].texture==This->sprites[i-1].texture)) {
 398             float spritewidth=(float)This->sprites[i].rect.right-(float)This->sprites[i].rect.left;
 399             float spriteheight=(float)This->sprites[i].rect.bottom-(float)This->sprites[i].rect.top;
 400
 401             vertices[6*i  ].pos.x = This->sprites[i].pos.x - This->sprites[i].center.x;
 402             vertices[6*i  ].pos.y = This->sprites[i].pos.y - This->sprites[i].center.y;
 403             vertices[6*i  ].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 404             vertices[6*i+1].pos.x = spritewidth + This->sprites[i].pos.x - This->sprites[i].center.x;
 405             vertices[6*i+1].pos.y = This->sprites[i].pos.y - This->sprites[i].center.y;
 406             vertices[6*i+1].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 407             vertices[6*i+2].pos.x = spritewidth + This->sprites[i].pos.x - This->sprites[i].center.x;
 408             vertices[6*i+2].pos.y = spriteheight + This->sprites[i].pos.y - This->sprites[i].center.y;
 409             vertices[6*i+2].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 410             vertices[6*i+3].pos.x = This->sprites[i].pos.x - This->sprites[i].center.x;
 411             vertices[6*i+3].pos.y = spriteheight + This->sprites[i].pos.y - This->sprites[i].center.y;
 412             vertices[6*i+3].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 413             vertices[6*i  ].col   = This->sprites[i].color;
 414             vertices[6*i+1].col   = This->sprites[i].color;
 415             vertices[6*i+2].col   = This->sprites[i].color;
 416             vertices[6*i+3].col   = This->sprites[i].color;
 417             vertices[6*i  ].tex.x = (float)This->sprites[i].rect.left / (float)This->sprites[i].texw;
 418             vertices[6*i  ].tex.y = (float)This->sprites[i].rect.top / (float)This->sprites[i].texh;
 419             vertices[6*i+1].tex.x = (float)This->sprites[i].rect.right / (float)This->sprites[i].texw;
 420             vertices[6*i+1].tex.y = (float)This->sprites[i].rect.top / (float)This->sprites[i].texh;
 421             vertices[6*i+2].tex.x = (float)This->sprites[i].rect.right / (float)This->sprites[i].texw;
 422             vertices[6*i+2].tex.y = (float)This->sprites[i].rect.bottom / (float)This->sprites[i].texh;
 423             vertices[6*i+3].tex.x = (float)This->sprites[i].rect.left / (float)This->sprites[i].texw;
 424             vertices[6*i+3].tex.y = (float)This->sprites[i].rect.bottom / (float)This->sprites[i].texh;
 425
 426             vertices[6*i+4]=vertices[6*i];
 427             vertices[6*i+5]=vertices[6*i+2];
 428
 429             D3DXVec3TransformCoordArray(&vertices[6*i].pos, sizeof(SPRITEVERTEX),
 430                                         &vertices[6*i].pos, sizeof(SPRITEVERTEX),
 431                                         &This->sprites[i].transform, 6);
 432             count++;
 433             i++;
 434         }
 435
 436         IDirect3DDevice9_SetTexture(This->device, 0, (LPDIRECT3DBASETEXTURE9)(This->sprites[start].texture));
 437         IDirect3DDevice9_SetVertexDeclaration(This->device, This->vdecl);
 438
 439         IDirect3DDevice9_DrawPrimitiveUP(This->device, D3DPT_TRIANGLELIST, 2*count, vertices+6*start, sizeof(SPRITEVERTEX));
 440     }
 441     HeapFree(GetProcessHeap(), 0, vertices);
 442
 443     if(!(This->flags & D3DXSPRITE_DO_NOT_ADDREF_TEXTURE))
 444         for(i=0;i<This->sprite_count;i++)
 445             IDirect3DTexture9_Release(This->sprites[i].texture);
 446
 447     This->sprite_count=0;
 448
 449     /* Flush may be called more than once, so we don't reset This->ready here */
 450
 451     return D3D_OK;
 452 }
 453
 454 static HRESULT WINAPI ID3DXSpriteImpl_End(ID3DXSprite *iface)
 455 {
 456     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 457
 458     TRACE("(%p)->(): relay\n", This);
 459
 460     if(!This->ready) return D3DERR_INVALIDCALL;
 461
 462     ID3DXSprite_Flush(iface);
 463
 464     if(!(This->flags & D3DXSPRITE_DONOTSAVESTATE))
 465         if(This->stateblock) IDirect3DStateBlock9_Apply(This->stateblock); /* Restore old state */
 466
 467     This->ready=FALSE;
 468
 469     return D3D_OK;
 470 }
 471
 472 static HRESULT WINAPI ID3DXSpriteImpl_OnLostDevice(ID3DXSprite *iface)
 473 {
 474     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 475
 476     TRACE("(%p)->()\n", This);
 477
 478     if(This->stateblock) IDirect3DStateBlock9_Release(This->stateblock);
 479     if(This->vdecl) IDirect3DVertexDeclaration9_Release(This->vdecl);
 480     This->vdecl=NULL;
 481     This->stateblock=NULL;
 482
 483     /* Reset some variables */
 484     ID3DXSprite_OnResetDevice(iface);
 485
 486     return D3D_OK;
 487 }
 488
 489 static HRESULT WINAPI ID3DXSpriteImpl_OnResetDevice(ID3DXSprite *iface)
 490 {
 491     ID3DXSpriteImpl *This = impl_from_ID3DXSprite(iface);
 492     int i;
 493
 494     TRACE("(%p)->()\n", This);
 495
 496     for(i=0;i<This->sprite_count;i++)
 497         if(This->sprites[i].texture)
 498             IDirect3DTexture9_Release(This->sprites[i].texture);
 499
 500     This->sprite_count=0;
 501
 502     This->flags=0;
 503     This->ready=FALSE;
 504
 505     /* keep matrices */
 506     /* device objects get restored on Begin */
 507
 508     return D3D_OK;
 509 }
 510
 511 static const ID3DXSpriteVtbl D3DXSprite_Vtbl =
 512 {
 513     /*** IUnknown methods ***/
 514     ID3DXSpriteImpl_QueryInterface,
 515     ID3DXSpriteImpl_AddRef,
 516     ID3DXSpriteImpl_Release,
 517     /*** ID3DXSprite methods ***/
 518     ID3DXSpriteImpl_GetDevice,
 519     ID3DXSpriteImpl_GetTransform,
 520     ID3DXSpriteImpl_SetTransform,
 521     ID3DXSpriteImpl_SetWorldViewRH,
 522     ID3DXSpriteImpl_SetWorldViewLH,
 523     ID3DXSpriteImpl_Begin,
 524     ID3DXSpriteImpl_Draw,
 525     ID3DXSpriteImpl_Flush,
 526     ID3DXSpriteImpl_End,
 527     ID3DXSpriteImpl_OnLostDevice,
 528     ID3DXSpriteImpl_OnResetDevice
 529 };
 530
 531 HRESULT WINAPI D3DXCreateSprite(LPDIRECT3DDEVICE9 device, LPD3DXSPRITE *sprite)
 532 {
 533     ID3DXSpriteImpl *object;
 534     D3DCAPS9 caps;
 535
 536     TRACE("(%p, %p): relay\n", device, sprite);
 537
 538     if(device==NULL || sprite==NULL) return D3DERR_INVALIDCALL;
 539
 540     object=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ID3DXSpriteImpl));
 541     if(object==NULL) {
 542         *sprite=NULL;
 543         return E_OUTOFMEMORY;
 544     }
 545     object->ID3DXSprite_iface.lpVtbl = &D3DXSprite_Vtbl;
 546     object->ref=1;
 547     object->device=device;
 548     IUnknown_AddRef(device);
 549
 550     object->vdecl=NULL;
 551     object->stateblock=NULL;
 552
 553     D3DXMatrixIdentity(&object->transform);
 554     D3DXMatrixIdentity(&object->view);
 555
 556     IDirect3DDevice9_GetDeviceCaps(device, &caps);
 557     object->texfilter_caps=caps.TextureFilterCaps;
 558     object->maxanisotropy=caps.MaxAnisotropy;
 559     object->alphacmp_caps=caps.AlphaCmpCaps;
 560
 561     ID3DXSprite_OnResetDevice(&object->ID3DXSprite_iface);
 562
 563     object->sprites=NULL;
 564     object->allocated_sprites=0;
 565     *sprite=&object->ID3DXSprite_iface;
 566
 567     return D3D_OK;
 568 }