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 struct sprite_vertex
  29 {
  30     D3DXVECTOR3 pos;
  31     DWORD col;
  32     D3DXVECTOR2 tex;
  33 };
  34
  35 struct sprite
  36 {
  37     IDirect3DTexture9 *texture;
  38     UINT texw, texh;
  39     RECT rect;
  40     D3DXVECTOR3 center;
  41     D3DXVECTOR3 pos;
  42     D3DCOLOR color;
  43     D3DXMATRIX transform;
  44 };
  45
  46 struct d3dx9_sprite
  47 {
  48     ID3DXSprite ID3DXSprite_iface;
  49     LONG ref;
  50
  51     IDirect3DDevice9 *device;
  52     IDirect3DVertexDeclaration9 *vdecl;
  53     IDirect3DStateBlock9 *stateblock;
  54     D3DXMATRIX transform;
  55     D3DXMATRIX view;
  56     DWORD flags;
  57     BOOL ready;
  58
  59     /* Store the relevant caps to prevent multiple GetDeviceCaps calls */
  60     DWORD texfilter_caps;
  61     DWORD maxanisotropy;
  62     DWORD alphacmp_caps;
  63
  64     struct sprite *sprites;
  65     int sprite_count;      /* number of sprites to be drawn */
  66     int allocated_sprites; /* number of (pre-)allocated sprites */
  67 };
  68
  69 static inline struct d3dx9_sprite *impl_from_ID3DXSprite(ID3DXSprite *iface)
  70 {
  71     return CONTAINING_RECORD(iface, struct d3dx9_sprite, ID3DXSprite_iface);
  72 }
  73
  74 static HRESULT WINAPI d3dx9_sprite_QueryInterface(ID3DXSprite *iface, REFIID riid, void **out)
  75 {
  76     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  77
  78     if (IsEqualGUID(riid, &IID_ID3DXSprite)
  79             || IsEqualGUID(riid, &IID_IUnknown))
  80     {
  81         IUnknown_AddRef(iface);
  82         *out = iface;
  83         return S_OK;
  84     }
  85
  86     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  87
  88     *out = NULL;
  89     return E_NOINTERFACE;
  90 }
  91
  92 static ULONG WINAPI d3dx9_sprite_AddRef(ID3DXSprite *iface)
  93 {
  94     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
  95     ULONG refcount = InterlockedIncrement(&sprite->ref);
  96
  97     TRACE("%p increasing refcount to %u.\n", sprite, refcount);
  98
  99     return refcount;
 100 }
 101
 102 static ULONG WINAPI d3dx9_sprite_Release(ID3DXSprite *iface)
 103 {
 104     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 105     ULONG refcount = InterlockedDecrement(&sprite->ref);
 106
 107     TRACE("%p decreasing refcount to %u.\n", sprite, refcount);
 108
 109     if (!refcount)
 110     {
 111         if (sprite->sprites)
 112         {
 113             int i;
 114
 115             for (i = 0; i < sprite->sprite_count; ++i)
 116             {
 117                 if (sprite->sprites[i].texture)
 118                     IDirect3DTexture9_Release(sprite->sprites[i].texture);
 119             }
 120
 121             HeapFree(GetProcessHeap(), 0, sprite->sprites);
 122         }
 123
 124         if (sprite->stateblock)
 125             IDirect3DStateBlock9_Release(sprite->stateblock);
 126         if (sprite->vdecl)
 127             IDirect3DVertexDeclaration9_Release(sprite->vdecl);
 128         if (sprite->device)
 129             IDirect3DDevice9_Release(sprite->device);
 130         HeapFree(GetProcessHeap(), 0, sprite);
 131     }
 132
 133     return refcount;
 134 }
 135
 136 static HRESULT WINAPI d3dx9_sprite_GetDevice(struct ID3DXSprite *iface, struct IDirect3DDevice9 **device)
 137 {
 138     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 139
 140     TRACE("iface %p, device %p.\n", iface, device);
 141
 142     if (!device)
 143         return D3DERR_INVALIDCALL;
 144     *device = sprite->device;
 145     IDirect3DDevice9_AddRef(sprite->device);
 146
 147     return D3D_OK;
 148 }
 149
 150 static HRESULT WINAPI d3dx9_sprite_GetTransform(ID3DXSprite *iface, D3DXMATRIX *transform)
 151 {
 152     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 153
 154     TRACE("iface %p, transform %p.\n", iface, transform);
 155
 156     if (!transform)
 157         return D3DERR_INVALIDCALL;
 158     *transform = sprite->transform;
 159
 160     return D3D_OK;
 161 }
 162
 163 static HRESULT WINAPI d3dx9_sprite_SetTransform(ID3DXSprite *iface, const D3DXMATRIX *transform)
 164 {
 165     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 166
 167     TRACE("iface %p, transform %p.\n", iface, transform);
 168
 169     if (!transform)
 170         return D3DERR_INVALIDCALL;
 171     sprite->transform = *transform;
 172
 173     return D3D_OK;
 174 }
 175
 176 static HRESULT WINAPI d3dx9_sprite_SetWorldViewRH(ID3DXSprite *iface,
 177         const D3DXMATRIX *world, const D3DXMATRIX *view)
 178 {
 179     FIXME("iface %p, world %p, view %p stub!\n", iface, world, view);
 180
 181     return E_NOTIMPL;
 182 }
 183
 184 static HRESULT WINAPI d3dx9_sprite_SetWorldViewLH(ID3DXSprite *iface,
 185         const D3DXMATRIX *world, const D3DXMATRIX *view)
 186 {
 187     FIXME("iface %p, world %p, view %p stub!\n", iface, world, view);
 188
 189     return E_NOTIMPL;
 190 }
 191
 192 /* Helper function */
 193 static void set_states(struct d3dx9_sprite *object)
 194 {
 195     D3DXMATRIX mat;
 196     D3DVIEWPORT9 vp;
 197
 198     /* Miscellaneous stuff */
 199     IDirect3DDevice9_SetVertexShader(object->device, NULL);
 200     IDirect3DDevice9_SetPixelShader(object->device, NULL);
 201     IDirect3DDevice9_SetNPatchMode(object->device, 0.0f);
 202
 203     /* Render states */
 204     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHABLENDENABLE, TRUE);
 205     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHAFUNC, D3DCMP_GREATER);
 206     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHAREF, 0x00);
 207     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ALPHATESTENABLE, object->alphacmp_caps);
 208     IDirect3DDevice9_SetRenderState(object->device, D3DRS_BLENDOP, D3DBLENDOP_ADD);
 209     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CLIPPING, TRUE);
 210     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CLIPPLANEENABLE, FALSE);
 211     IDirect3DDevice9_SetRenderState(object->device, D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE |
 212                                     D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
 213     IDirect3DDevice9_SetRenderState(object->device, D3DRS_CULLMODE, D3DCULL_NONE);
 214     IDirect3DDevice9_SetRenderState(object->device, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
 215     IDirect3DDevice9_SetRenderState(object->device, D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_COLOR1);
 216     IDirect3DDevice9_SetRenderState(object->device, D3DRS_ENABLEADAPTIVETESSELLATION, FALSE);
 217     IDirect3DDevice9_SetRenderState(object->device, D3DRS_FILLMODE, D3DFILL_SOLID);
 218     IDirect3DDevice9_SetRenderState(object->device, D3DRS_FOGENABLE, FALSE);
 219     IDirect3DDevice9_SetRenderState(object->device, D3DRS_INDEXEDVERTEXBLENDENABLE, FALSE);
 220     IDirect3DDevice9_SetRenderState(object->device, D3DRS_LIGHTING, FALSE);
 221     IDirect3DDevice9_SetRenderState(object->device, D3DRS_RANGEFOGENABLE, FALSE);
 222     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SEPARATEALPHABLENDENABLE, FALSE);
 223     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SHADEMODE, D3DSHADE_GOURAUD);
 224     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SPECULARENABLE, FALSE);
 225     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
 226     IDirect3DDevice9_SetRenderState(object->device, D3DRS_SRGBWRITEENABLE, FALSE);
 227     IDirect3DDevice9_SetRenderState(object->device, D3DRS_STENCILENABLE, FALSE);
 228     IDirect3DDevice9_SetRenderState(object->device, D3DRS_VERTEXBLEND, FALSE);
 229     IDirect3DDevice9_SetRenderState(object->device, D3DRS_WRAP0, 0);
 230
 231     /* Texture stage states */
 232     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
 233     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
 234     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
 235     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
 236     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
 237     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);
 238     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_TEXCOORDINDEX, 0);
 239     IDirect3DDevice9_SetTextureStageState(object->device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE);
 240     IDirect3DDevice9_SetTextureStageState(object->device, 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
 241     IDirect3DDevice9_SetTextureStageState(object->device, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
 242
 243     /* Sampler states */
 244     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
 245     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
 246
 247     if(object->texfilter_caps & D3DPTFILTERCAPS_MAGFANISOTROPIC)
 248         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC);
 249     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
 250
 251     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAXMIPLEVEL, 0);
 252     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MAXANISOTROPY, object->maxanisotropy);
 253
 254     if(object->texfilter_caps & D3DPTFILTERCAPS_MINFANISOTROPIC)
 255         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC);
 256     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
 257
 258     if(object->texfilter_caps & D3DPTFILTERCAPS_MIPFLINEAR)
 259         IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
 260     else IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);
 261
 262     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_MIPMAPLODBIAS, 0);
 263     IDirect3DDevice9_SetSamplerState(object->device, 0, D3DSAMP_SRGBTEXTURE, 0);
 264
 265     /* Matrices */
 266     D3DXMatrixIdentity(&mat);
 267     IDirect3DDevice9_SetTransform(object->device, D3DTS_WORLD, &mat);
 268     IDirect3DDevice9_SetTransform(object->device, D3DTS_VIEW, &object->view);
 269     IDirect3DDevice9_GetViewport(object->device, &vp);
 270     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);
 271     IDirect3DDevice9_SetTransform(object->device, D3DTS_PROJECTION, &mat);
 272 }
 273
 274 static HRESULT WINAPI d3dx9_sprite_Begin(ID3DXSprite *iface, DWORD flags)
 275 {
 276     struct d3dx9_sprite *This = impl_from_ID3DXSprite(iface);
 277     HRESULT hr;
 278
 279     TRACE("iface %p, flags %#x.\n", iface, flags);
 280
 281     if(flags>D3DXSPRITE_FLAGLIMIT || This->ready) return D3DERR_INVALIDCALL;
 282
 283 /* TODO: Implement flags:
 284 D3DXSPRITE_BILLBOARD: makes the sprite always face the camera
 285 D3DXSPRITE_DONOTMODIFY_RENDERSTATE: name says it all
 286 D3DXSPRITE_OBJECTSPACE: do not change device transforms
 287 D3DXSPRITE_SORT_DEPTH_BACKTOFRONT: sort by position
 288 D3DXSPRITE_SORT_DEPTH_FRONTTOBACK: sort by position
 289 D3DXSPRITE_SORT_TEXTURE: sort by texture (so that it doesn't change too often)
 290 */
 291 /* Seems like alpha blending is always enabled, regardless of D3DXSPRITE_ALPHABLEND flag */
 292     if(flags & (D3DXSPRITE_BILLBOARD |
 293                 D3DXSPRITE_DONOTMODIFY_RENDERSTATE | D3DXSPRITE_OBJECTSPACE |
 294                 D3DXSPRITE_SORT_DEPTH_BACKTOFRONT))
 295         FIXME("Flags unsupported: %#x\n", flags);
 296     /* These flags should only matter to performance */
 297     else if(flags & (D3DXSPRITE_SORT_DEPTH_FRONTTOBACK | D3DXSPRITE_SORT_TEXTURE))
 298         TRACE("Flags unsupported: %#x\n", flags);
 299
 300     if(This->vdecl==NULL) {
 301         static const D3DVERTEXELEMENT9 elements[] =
 302         {
 303             { 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
 304             { 0, 12, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 },
 305             { 0, 16, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
 306             D3DDECL_END()
 307         };
 308         IDirect3DDevice9_CreateVertexDeclaration(This->device, elements, &This->vdecl);
 309     }
 310
 311     if(!(flags & D3DXSPRITE_DONOTSAVESTATE)) {
 312         if(This->stateblock==NULL) {
 313             /* Tell our state block what it must store */
 314             hr=IDirect3DDevice9_BeginStateBlock(This->device);
 315             if(hr!=D3D_OK) return hr;
 316
 317             set_states(This);
 318
 319             IDirect3DDevice9_SetVertexDeclaration(This->device, This->vdecl);
 320             IDirect3DDevice9_SetStreamSource(This->device, 0, NULL, 0, sizeof(struct sprite_vertex));
 321             IDirect3DDevice9_SetIndices(This->device, NULL);
 322             IDirect3DDevice9_SetTexture(This->device, 0, NULL);
 323
 324             IDirect3DDevice9_EndStateBlock(This->device, &This->stateblock);
 325         }
 326         IDirect3DStateBlock9_Capture(This->stateblock); /* Save current state */
 327     }
 328
 329     /* Apply device state */
 330     set_states(This);
 331
 332     This->flags=flags;
 333     This->ready=TRUE;
 334
 335     return D3D_OK;
 336 }
 337
 338 static HRESULT WINAPI d3dx9_sprite_Draw(ID3DXSprite *iface, IDirect3DTexture9 *texture,
 339         const RECT *rect, const D3DXVECTOR3 *center, const D3DXVECTOR3 *position, D3DCOLOR color)
 340 {
 341     struct d3dx9_sprite *This = impl_from_ID3DXSprite(iface);
 342     D3DSURFACE_DESC texdesc;
 343
 344     TRACE("iface %p, texture %p, rect %s, center %p, position %p, color 0x%08x.\n",
 345             iface, texture, wine_dbgstr_rect(rect), center, position, color);
 346
 347     if(texture==NULL) return D3DERR_INVALIDCALL;
 348     if(!This->ready) return D3DERR_INVALIDCALL;
 349
 350     if (!This->allocated_sprites)
 351     {
 352         This->sprites = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 32 * sizeof(*This->sprites));
 353         This->allocated_sprites = 32;
 354     }
 355     else if (This->allocated_sprites <= This->sprite_count)
 356     {
 357         This->allocated_sprites += This->allocated_sprites / 2;
 358         This->sprites = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 359                 This->sprites, This->allocated_sprites * sizeof(*This->sprites));
 360     }
 361     This->sprites[This->sprite_count].texture=texture;
 362     if(!(This->flags & D3DXSPRITE_DO_NOT_ADDREF_TEXTURE))
 363         IDirect3DTexture9_AddRef(texture);
 364
 365     /* Reuse the texture desc if possible */
 366     if(This->sprite_count) {
 367         if(This->sprites[This->sprite_count-1].texture!=texture) {
 368             IDirect3DTexture9_GetLevelDesc(texture, 0, &texdesc);
 369         } else {
 370             texdesc.Width=This->sprites[This->sprite_count-1].texw;
 371             texdesc.Height=This->sprites[This->sprite_count-1].texh;
 372         }
 373     } else IDirect3DTexture9_GetLevelDesc(texture, 0, &texdesc);
 374
 375     This->sprites[This->sprite_count].texw=texdesc.Width;
 376     This->sprites[This->sprite_count].texh=texdesc.Height;
 377
 378     if(rect==NULL) {
 379         This->sprites[This->sprite_count].rect.left=0;
 380         This->sprites[This->sprite_count].rect.top=0;
 381         This->sprites[This->sprite_count].rect.right=texdesc.Width;
 382         This->sprites[This->sprite_count].rect.bottom=texdesc.Height;
 383     } else This->sprites[This->sprite_count].rect=*rect;
 384
 385     if(center==NULL) {
 386         This->sprites[This->sprite_count].center.x=0.0f;
 387         This->sprites[This->sprite_count].center.y=0.0f;
 388         This->sprites[This->sprite_count].center.z=0.0f;
 389     } else This->sprites[This->sprite_count].center=*center;
 390
 391     if(position==NULL) {
 392         This->sprites[This->sprite_count].pos.x=0.0f;
 393         This->sprites[This->sprite_count].pos.y=0.0f;
 394         This->sprites[This->sprite_count].pos.z=0.0f;
 395     } else This->sprites[This->sprite_count].pos=*position;
 396
 397     This->sprites[This->sprite_count].color=color;
 398     This->sprites[This->sprite_count].transform=This->transform;
 399     This->sprite_count++;
 400
 401     return D3D_OK;
 402 }
 403
 404 static HRESULT WINAPI d3dx9_sprite_Flush(ID3DXSprite *iface)
 405 {
 406     struct d3dx9_sprite *This = impl_from_ID3DXSprite(iface);
 407     struct sprite_vertex *vertices;
 408     int i, count=0, start;
 409
 410     TRACE("iface %p.\n", iface);
 411
 412     if(!This->ready) return D3DERR_INVALIDCALL;
 413     if(!This->sprite_count) return D3D_OK;
 414
 415 /* TODO: use of a vertex buffer here */
 416     vertices = HeapAlloc(GetProcessHeap(), 0, sizeof(*vertices) * 6 * This->sprite_count);
 417
 418     for(start=0;start<This->sprite_count;start+=count,count=0) {
 419         i=start;
 420         while(i<This->sprite_count &&
 421               (count==0 || This->sprites[i].texture==This->sprites[i-1].texture)) {
 422             float spritewidth=(float)This->sprites[i].rect.right-(float)This->sprites[i].rect.left;
 423             float spriteheight=(float)This->sprites[i].rect.bottom-(float)This->sprites[i].rect.top;
 424
 425             vertices[6*i  ].pos.x = This->sprites[i].pos.x - This->sprites[i].center.x;
 426             vertices[6*i  ].pos.y = This->sprites[i].pos.y - This->sprites[i].center.y;
 427             vertices[6*i  ].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 428             vertices[6*i+1].pos.x = spritewidth + This->sprites[i].pos.x - This->sprites[i].center.x;
 429             vertices[6*i+1].pos.y = This->sprites[i].pos.y - This->sprites[i].center.y;
 430             vertices[6*i+1].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 431             vertices[6*i+2].pos.x = spritewidth + This->sprites[i].pos.x - This->sprites[i].center.x;
 432             vertices[6*i+2].pos.y = spriteheight + This->sprites[i].pos.y - This->sprites[i].center.y;
 433             vertices[6*i+2].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 434             vertices[6*i+3].pos.x = This->sprites[i].pos.x - This->sprites[i].center.x;
 435             vertices[6*i+3].pos.y = spriteheight + This->sprites[i].pos.y - This->sprites[i].center.y;
 436             vertices[6*i+3].pos.z = This->sprites[i].pos.z - This->sprites[i].center.z;
 437             vertices[6*i  ].col   = This->sprites[i].color;
 438             vertices[6*i+1].col   = This->sprites[i].color;
 439             vertices[6*i+2].col   = This->sprites[i].color;
 440             vertices[6*i+3].col   = This->sprites[i].color;
 441             vertices[6*i  ].tex.x = (float)This->sprites[i].rect.left / (float)This->sprites[i].texw;
 442             vertices[6*i  ].tex.y = (float)This->sprites[i].rect.top / (float)This->sprites[i].texh;
 443             vertices[6*i+1].tex.x = (float)This->sprites[i].rect.right / (float)This->sprites[i].texw;
 444             vertices[6*i+1].tex.y = (float)This->sprites[i].rect.top / (float)This->sprites[i].texh;
 445             vertices[6*i+2].tex.x = (float)This->sprites[i].rect.right / (float)This->sprites[i].texw;
 446             vertices[6*i+2].tex.y = (float)This->sprites[i].rect.bottom / (float)This->sprites[i].texh;
 447             vertices[6*i+3].tex.x = (float)This->sprites[i].rect.left / (float)This->sprites[i].texw;
 448             vertices[6*i+3].tex.y = (float)This->sprites[i].rect.bottom / (float)This->sprites[i].texh;
 449
 450             vertices[6*i+4]=vertices[6*i];
 451             vertices[6*i+5]=vertices[6*i+2];
 452
 453             D3DXVec3TransformCoordArray(&vertices[6 * i].pos, sizeof(*vertices),
 454                     &vertices[6 * i].pos, sizeof(*vertices), &This->sprites[i].transform, 6);
 455             count++;
 456             i++;
 457         }
 458
 459         IDirect3DDevice9_SetTexture(This->device, 0, (struct IDirect3DBaseTexture9 *)This->sprites[start].texture);
 460         IDirect3DDevice9_SetVertexDeclaration(This->device, This->vdecl);
 461
 462         IDirect3DDevice9_DrawPrimitiveUP(This->device, D3DPT_TRIANGLELIST,
 463                 2 * count, vertices + 6 * start, sizeof(*vertices));
 464     }
 465     HeapFree(GetProcessHeap(), 0, vertices);
 466
 467     if(!(This->flags & D3DXSPRITE_DO_NOT_ADDREF_TEXTURE))
 468         for(i=0;i<This->sprite_count;i++)
 469             IDirect3DTexture9_Release(This->sprites[i].texture);
 470
 471     This->sprite_count=0;
 472
 473     /* Flush may be called more than once, so we don't reset This->ready here */
 474
 475     return D3D_OK;
 476 }
 477
 478 static HRESULT WINAPI d3dx9_sprite_End(ID3DXSprite *iface)
 479 {
 480     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 481
 482     TRACE("iface %p.\n", iface);
 483
 484     if (!sprite->ready)
 485         return D3DERR_INVALIDCALL;
 486
 487     ID3DXSprite_Flush(iface);
 488
 489     if (sprite->stateblock && !(sprite->flags & D3DXSPRITE_DONOTSAVESTATE))
 490         IDirect3DStateBlock9_Apply(sprite->stateblock); /* Restore old state */
 491
 492     sprite->ready = FALSE;
 493
 494     return D3D_OK;
 495 }
 496
 497 static HRESULT WINAPI d3dx9_sprite_OnLostDevice(ID3DXSprite *iface)
 498 {
 499     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 500
 501     TRACE("iface %p.\n", iface);
 502
 503     if (sprite->stateblock)
 504         IDirect3DStateBlock9_Release(sprite->stateblock);
 505     if (sprite->vdecl)
 506         IDirect3DVertexDeclaration9_Release(sprite->vdecl);
 507     sprite->vdecl = NULL;
 508     sprite->stateblock = NULL;
 509
 510     /* Reset some variables */
 511     ID3DXSprite_OnResetDevice(iface);
 512
 513     return D3D_OK;
 514 }
 515
 516 static HRESULT WINAPI d3dx9_sprite_OnResetDevice(ID3DXSprite *iface)
 517 {
 518     struct d3dx9_sprite *sprite = impl_from_ID3DXSprite(iface);
 519     int i;
 520
 521     TRACE("iface %p.\n", iface);
 522
 523     for (i = 0; i < sprite->sprite_count; ++i)
 524     {
 525         if (sprite->sprites[i].texture)
 526             IDirect3DTexture9_Release(sprite->sprites[i].texture);
 527     }
 528
 529     sprite->sprite_count = 0;
 530     sprite->flags = 0;
 531     sprite->ready = FALSE;
 532
 533     /* keep matrices */
 534     /* device objects get restored on Begin */
 535
 536     return D3D_OK;
 537 }
 538
 539 static const ID3DXSpriteVtbl d3dx9_sprite_vtbl =
 540 {
 541     d3dx9_sprite_QueryInterface,
 542     d3dx9_sprite_AddRef,
 543     d3dx9_sprite_Release,
 544     d3dx9_sprite_GetDevice,
 545     d3dx9_sprite_GetTransform,
 546     d3dx9_sprite_SetTransform,
 547     d3dx9_sprite_SetWorldViewRH,
 548     d3dx9_sprite_SetWorldViewLH,
 549     d3dx9_sprite_Begin,
 550     d3dx9_sprite_Draw,
 551     d3dx9_sprite_Flush,
 552     d3dx9_sprite_End,
 553     d3dx9_sprite_OnLostDevice,
 554     d3dx9_sprite_OnResetDevice,
 555 };
 556
 557 HRESULT WINAPI D3DXCreateSprite(struct IDirect3DDevice9 *device, struct ID3DXSprite **sprite)
 558 {
 559     struct d3dx9_sprite *object;
 560     D3DCAPS9 caps;
 561
 562     TRACE("device %p, sprite %p.\n", device, sprite);
 563
 564     if(device==NULL || sprite==NULL) return D3DERR_INVALIDCALL;
 565
 566     if (!(object=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
 567     {
 568         *sprite = NULL;
 569         return E_OUTOFMEMORY;
 570     }
 571     object->ID3DXSprite_iface.lpVtbl = &d3dx9_sprite_vtbl;
 572     object->ref=1;
 573     object->device=device;
 574     IUnknown_AddRef(device);
 575
 576     object->vdecl=NULL;
 577     object->stateblock=NULL;
 578
 579     D3DXMatrixIdentity(&object->transform);
 580     D3DXMatrixIdentity(&object->view);
 581
 582     IDirect3DDevice9_GetDeviceCaps(device, &caps);
 583     object->texfilter_caps=caps.TextureFilterCaps;
 584     object->maxanisotropy=caps.MaxAnisotropy;
 585     object->alphacmp_caps=caps.AlphaCmpCaps;
 586
 587     ID3DXSprite_OnResetDevice(&object->ID3DXSprite_iface);
 588
 589     object->sprites=NULL;
 590     object->allocated_sprites=0;
 591     *sprite=&object->ID3DXSprite_iface;
 592
 593     return D3D_OK;
 594 }