fxtexman.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

      ti->tm[where] = fxTMAddObj(fxMesa, tObj, where, texmemsize);
      fxMesa->stats.memTexUpload += texmemsize;

      for (i = FX_largeLodValue(ti->info), l = ti->minLevel;
	   i <= FX_smallLodValue(ti->info); i++, l++) {
	 struct gl_texture_image *texImage = tObj->Image[0][l];
	 grTexDownloadMipMapLevel(where,
					    ti->tm[where]->startAddr,
					    FX_valueToLod(i),
					    FX_largeLodLog2(ti->info),
					    FX_aspectRatioLog2(ti->info),
					    ti->info.format,
					    GR_MIPMAPLEVELMASK_BOTH,
					    texImage->Data);
      }
      break;
   case FX_TMU_SPLIT:
      texmemsize = (int)grTexTextureMemRequired(GR_MIPMAPLEVELMASK_ODD, &(ti->info));
      ti->tm[FX_TMU0] = fxTMAddObj(fxMesa, tObj, FX_TMU0, texmemsize);
      fxMesa->stats.memTexUpload += texmemsize;

      texmemsize = (int)grTexTextureMemRequired(GR_MIPMAPLEVELMASK_EVEN, &(ti->info));
      ti->tm[FX_TMU1] = fxTMAddObj(fxMesa, tObj, FX_TMU1, texmemsize);
      fxMesa->stats.memTexUpload += texmemsize;

      for (i = FX_largeLodValue(ti->info), l = ti->minLevel;
	   i <= FX_smallLodValue(ti->info); i++, l++) {
	 struct gl_texture_image *texImage = tObj->Image[0][l];

	 grTexDownloadMipMapLevel(GR_TMU0,
					    ti->tm[FX_TMU0]->startAddr,
					    FX_valueToLod(i),
					    FX_largeLodLog2(ti->info),
					    FX_aspectRatioLog2(ti->info),
					    ti->info.format,
					    GR_MIPMAPLEVELMASK_ODD,
					    texImage->Data);

	 grTexDownloadMipMapLevel(GR_TMU1,
					    ti->tm[FX_TMU1]->startAddr,
					    FX_valueToLod(i),
					    FX_largeLodLog2(ti->info),
					    FX_aspectRatioLog2(ti->info),
					    ti->info.format,
					    GR_MIPMAPLEVELMASK_EVEN,
					    texImage->Data);
      }
      break;
   case FX_TMU_BOTH:
      texmemsize = (int)grTexTextureMemRequired(GR_MIPMAPLEVELMASK_BOTH, &(ti->info));
      ti->tm[FX_TMU0] = fxTMAddObj(fxMesa, tObj, FX_TMU0, texmemsize);
      fxMesa->stats.memTexUpload += texmemsize;

      /*texmemsize = (int)grTexTextureMemRequired(GR_MIPMAPLEVELMASK_BOTH, &(ti->info));*/
      ti->tm[FX_TMU1] = fxTMAddObj(fxMesa, tObj, FX_TMU1, texmemsize);
      fxMesa->stats.memTexUpload += texmemsize;

      for (i = FX_largeLodValue(ti->info), l = ti->minLevel;
	   i <= FX_smallLodValue(ti->info); i++, l++) {
	 struct gl_texture_image *texImage = tObj->Image[0][l];
	 grTexDownloadMipMapLevel(GR_TMU0,
					    ti->tm[FX_TMU0]->startAddr,
					    FX_valueToLod(i),
					    FX_largeLodLog2(ti->info),
					    FX_aspectRatioLog2(ti->info),
					    ti->info.format,
					    GR_MIPMAPLEVELMASK_BOTH,
					    texImage->Data);

	 grTexDownloadMipMapLevel(GR_TMU1,
					    ti->tm[FX_TMU1]->startAddr,
					    FX_valueToLod(i),
					    FX_largeLodLog2(ti->info),
					    FX_aspectRatioLog2(ti->info),
					    ti->info.format,
					    GR_MIPMAPLEVELMASK_BOTH,
					    texImage->Data);
      }
      break;
   default:
      fprintf(stderr, "fxTMMoveInTM_NoLock: INTERNAL ERROR: wrong tmu (%d)\n", where);
      fxCloseHardware();
      exit(-1);
   }

   fxMesa->stats.texUpload++;

   ti->isInTM = GL_TRUE;
}


void
fxTMMoveInTM(fxMesaContext fxMesa, struct gl_texture_object *tObj,
	     GLint where)
{
   BEGIN_BOARD_LOCK();
   fxTMMoveInTM_NoLock(fxMesa, tObj, where);
   END_BOARD_LOCK();
}


void
fxTMReloadMipMapLevel(fxMesaContext fxMesa, struct gl_texture_object *tObj,
		      GLint level)
{
   tfxTexInfo *ti = fxTMGetTexInfo(tObj);
   GrLOD_t lodlevel;
   GLint tmu;
   struct gl_texture_image *texImage = tObj->Image[0][level];
   tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);

   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
      fprintf(stderr, "fxTMReloadMipMapLevel(%p (%d), %d)\n", (void *)tObj, tObj->Name, level);
   }

   assert(mml);
   assert(mml->width > 0);
   assert(mml->height > 0);
   assert(mml->glideFormat > 0);
   assert(ti->isInTM);

   if (!ti->validated) {
      fprintf(stderr, "fxTMReloadMipMapLevel: INTERNAL ERROR: not validated\n");
      fxCloseHardware();
      exit(-1);
   }

   tmu = (int) ti->whichTMU;
   fxMesa->stats.reqTexUpload++;
   fxMesa->stats.texUpload++;

   lodlevel =  ti->info.largeLodLog2 - (level - ti->minLevel);

   switch (tmu) {
   case FX_TMU0:
   case FX_TMU1:
      grTexDownloadMipMapLevel(tmu,
				  ti->tm[tmu]->startAddr,
				  lodlevel,
				  FX_largeLodLog2(ti->info),
				  FX_aspectRatioLog2(ti->info),
				  ti->info.format,
				  GR_MIPMAPLEVELMASK_BOTH, texImage->Data);
      break;
   case FX_TMU_SPLIT:
      grTexDownloadMipMapLevel(GR_TMU0,
				  ti->tm[GR_TMU0]->startAddr,
				  lodlevel,
				  FX_largeLodLog2(ti->info),
				  FX_aspectRatioLog2(ti->info),
				  ti->info.format,
				  GR_MIPMAPLEVELMASK_ODD, texImage->Data);

      grTexDownloadMipMapLevel(GR_TMU1,
				  ti->tm[GR_TMU1]->startAddr,
				  lodlevel,
				  FX_largeLodLog2(ti->info),
				  FX_aspectRatioLog2(ti->info),
				  ti->info.format,
				  GR_MIPMAPLEVELMASK_EVEN, texImage->Data);
      break;
   case FX_TMU_BOTH:
      grTexDownloadMipMapLevel(GR_TMU0,
				  ti->tm[GR_TMU0]->startAddr,
				  lodlevel,
				  FX_largeLodLog2(ti->info),
				  FX_aspectRatioLog2(ti->info),
				  ti->info.format,
				  GR_MIPMAPLEVELMASK_BOTH, texImage->Data);

      grTexDownloadMipMapLevel(GR_TMU1,
				  ti->tm[GR_TMU1]->startAddr,
				  lodlevel,
				  FX_largeLodLog2(ti->info),
				  FX_aspectRatioLog2(ti->info),
				  ti->info.format,
				  GR_MIPMAPLEVELMASK_BOTH, texImage->Data);
      break;

   default:
      fprintf(stderr, "fxTMReloadMipMapLevel: INTERNAL ERROR: wrong tmu (%d)\n", tmu);
      fxCloseHardware();
      exit(-1);
   }
}

void
fxTMReloadSubMipMapLevel(fxMesaContext fxMesa,
			 struct gl_texture_object *tObj,
			 GLint level, GLint yoffset, GLint height)
{
   tfxTexInfo *ti = fxTMGetTexInfo(tObj);
   GrLOD_t lodlevel;
   unsigned short *data;
   GLint tmu;
   struct gl_texture_image *texImage = tObj->Image[0][level];
   tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);

   assert(mml);

   if (!ti->validated) {
      fprintf(stderr, "fxTMReloadSubMipMapLevel: INTERNAL ERROR: not validated\n");
      fxCloseHardware();
      exit(-1);
   }

   tmu = (int) ti->whichTMU;
   fxTMMoveInTM(fxMesa, tObj, tmu);

   fxTexGetInfo(mml->width, mml->height,
		&lodlevel, NULL, NULL, NULL, NULL, NULL);

   if ((ti->info.format == GR_TEXFMT_INTENSITY_8) ||
       (ti->info.format == GR_TEXFMT_P_8) ||
       (ti->info.format == GR_TEXFMT_ALPHA_8))
	 data = (GLushort *) texImage->Data + ((yoffset * mml->width) >> 1);
   else
      data = (GLushort *) texImage->Data + yoffset * mml->width;

   switch (tmu) {
   case FX_TMU0:
   case FX_TMU1:
      grTexDownloadMipMapLevelPartial(tmu,
					 ti->tm[tmu]->startAddr,
					 FX_valueToLod(FX_lodToValue(lodlevel)
						       + level),
					 FX_largeLodLog2(ti->info),
					 FX_aspectRatioLog2(ti->info),
					 ti->info.format,
					 GR_MIPMAPLEVELMASK_BOTH, data,
					 yoffset, yoffset + height - 1);
      break;
   case FX_TMU_SPLIT:
      grTexDownloadMipMapLevelPartial(GR_TMU0,
					 ti->tm[FX_TMU0]->startAddr,
					 FX_valueToLod(FX_lodToValue(lodlevel)
						       + level),
					 FX_largeLodLog2(ti->info),
					 FX_aspectRatioLog2(ti->info),
					 ti->info.format,
					 GR_MIPMAPLEVELMASK_ODD, data,
					 yoffset, yoffset + height - 1);

      grTexDownloadMipMapLevelPartial(GR_TMU1,
					 ti->tm[FX_TMU1]->startAddr,
					 FX_valueToLod(FX_lodToValue(lodlevel)
						       + level),
					 FX_largeLodLog2(ti->info),
					 FX_aspectRatioLog2(ti->info),
					 ti->info.format,
					 GR_MIPMAPLEVELMASK_EVEN, data,
					 yoffset, yoffset + height - 1);
      break;
   case FX_TMU_BOTH:
      grTexDownloadMipMapLevelPartial(GR_TMU0,
					 ti->tm[FX_TMU0]->startAddr,
					 FX_valueToLod(FX_lodToValue(lodlevel)
						       + level),
					 FX_largeLodLog2(ti->info),
					 FX_aspectRatioLog2(ti->info),
					 ti->info.format,
					 GR_MIPMAPLEVELMASK_BOTH, data,
					 yoffset, yoffset + height - 1);

      grTexDownloadMipMapLevelPartial(GR_TMU1,
					 ti->tm[FX_TMU1]->startAddr,
					 FX_valueToLod(FX_lodToValue(lodlevel)
						       + level),
					 FX_largeLodLog2(ti->info),
					 FX_aspectRatioLog2(ti->info),
					 ti->info.format,
					 GR_MIPMAPLEVELMASK_BOTH, data,
					 yoffset, yoffset + height - 1);
      break;
   default:
      fprintf(stderr, "fxTMReloadSubMipMapLevel: INTERNAL ERROR: wrong tmu (%d)\n", tmu);
      fxCloseHardware();
      exit(-1);
   }
}

void
fxTMMoveOutTM(fxMesaContext fxMesa, struct gl_texture_object *tObj)
{
   tfxTexInfo *ti = fxTMGetTexInfo(tObj);

   if (TDFX_DEBUG & VERBOSE_DRIVER) {
      fprintf(stderr, "fxTMMoveOutTM(%p (%d))\n", (void *)tObj, tObj->Name);
   }

   if (!ti->isInTM)
      return;

   switch (ti->whichTMU) {
   case FX_TMU0:
   case FX_TMU1:
      fxTMRemoveRange(fxMesa, (int) ti->whichTMU, ti->tm[ti->whichTMU]);
      break;
   case FX_TMU_SPLIT:
   case FX_TMU_BOTH:
      fxTMRemoveRange(fxMesa, FX_TMU0, ti->tm[FX_TMU0]);
      fxTMRemoveRange(fxMesa, FX_TMU1, ti->tm[FX_TMU1]);
      break;
   default:
      fprintf(stderr, "fxTMMoveOutTM: INTERNAL ERROR: bad TMU (%ld)\n", ti->whichTMU);
      fxCloseHardware();
      exit(-1);
   }

   ti->isInTM = GL_FALSE;
   ti->whichTMU = FX_TMU_NONE;
}

void
fxTMFreeTexture(fxMesaContext fxMesa, struct gl_texture_object *tObj)
{
   tfxTexInfo *ti = fxTMGetTexInfo(tObj);
   int i;

   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
      fprintf(stderr, "fxTMFreeTexture(%p (%d))\n", (void *)tObj, tObj->Name);
   }

   fxTMMoveOutTM(fxMesa, tObj);

   for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
      struct gl_texture_image *texImage = tObj->Image[0][i];
      if (texImage) {
         if (texImage->DriverData) {
            FREE(texImage->DriverData);
            texImage->DriverData = NULL;
         }
      }
   }
   switch (ti->whichTMU) {
   case FX_TMU0:
   case FX_TMU1:
      fxTMDeleteRangeNode(fxMesa, ti->tm[ti->whichTMU]);
      break;
   case FX_TMU_SPLIT:
   case FX_TMU_BOTH:
      fxTMDeleteRangeNode(fxMesa, ti->tm[FX_TMU0]);
      fxTMDeleteRangeNode(fxMesa, ti->tm[FX_TMU1]);
      break;
   }
}

void
fxTMInit(fxMesaContext fxMesa)
{
   fxMesa->texBindNumber = 0;
   fxMesa->tmPool = 0;

   if (fxMesa->HaveTexUma) {
      grEnable(GR_TEXTURE_UMA_EXT);
   }

   fxTMUInit(fxMesa, FX_TMU0);

   if (!fxMesa->HaveTexUma && fxMesa->haveTwoTMUs)
      fxTMUInit(fxMesa, FX_TMU1);

   texBoundMask = (fxMesa->type >= GR_SSTTYPE_Banshee) ? -1 : (FX_2MB_SPLIT - 1);
}

void
fxTMClose(fxMesaContext fxMesa)
{
   MemRange *tmp, *next;

   tmp = fxMesa->tmPool;
   while (tmp) {
      next = tmp->next;
      FREE(tmp);
      tmp = next;
   }
   tmp = fxMesa->tmFree[FX_TMU0];
   while (tmp) {
      next = tmp->next;
      FREE(tmp);
      tmp = next;
   }
   if (fxMesa->haveTwoTMUs) {
      tmp = fxMesa->tmFree[FX_TMU1];
      while (tmp) {
	 next = tmp->next;
	 FREE(tmp);
	 tmp = next;
      }
   }
}

void
fxTMRestoreTextures_NoLock(fxMesaContext ctx)
{
   struct _mesa_HashTable *textures = ctx->glCtx->Shared->TexObjects;
   GLuint id;

   for (id = _mesa_HashFirstEntry(textures);
        id;
        id = _mesa_HashNextEntry(textures, id)) {
      struct gl_texture_object *tObj
         = (struct gl_texture_object *) _mesa_HashLookup(textures, id);
      tfxTexInfo *ti = fxTMGetTexInfo(tObj);
      if (ti && ti->isInTM) {
         int i;
	 for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
	    if (ctx->glCtx->Texture.Unit[i]._Current == tObj) {
	       /* Force the texture onto the board, as it could be in use */
	       int where = ti->whichTMU;
	       fxTMMoveOutTM_NoLock(ctx, tObj);
	       fxTMMoveInTM_NoLock(ctx, tObj, where);
	       break;
	    }
         }
	 if (i == MAX_TEXTURE_UNITS)	/* Mark the texture as off the board */
	    fxTMMoveOutTM_NoLock(ctx, tObj);
      }
   }
}

#else


/*
 * Need this to provide at least one external definition.
 */

extern int gl_fx_dummy_function_texman(void);
int
gl_fx_dummy_function_texman(void)
{
   return 0;
}

#endif /* FX */