//============================================================================================
// THandle_Create
//============================================================================================
geRDriver_THandle *DRIVERCC THandle_Create(int32 Width, int32 Height, int32 NumMipLevels, const geRDriver_PixelFormat *PixelFormat)
{
geRDriver_THandle *THandle;
THandle = FindTextureHandle();
if (!THandle)
{
SetLastDrvError(DRV_ERROR_GENERIC, "D3DDRV:THandle_Create: Out of texture handles.\n");
return NULL;
}
THandle->PixelFormat = *PixelFormat;
if (PixelFormat->Flags & RDRIVER_PF_3D)
{
// Get the pixel format desc for this thandle
if (!SetupCurrent3dDesc(PixelFormat->PixelFormat))
return NULL;
if (!Create3DTHandle(THandle, Width, Height, NumMipLevels, PixelFormat))
return NULL;
CacheNeedsUpdate = GE_TRUE;
}
else if (PixelFormat->Flags & RDRIVER_PF_LIGHTMAP)
{
// Get the pixel format desc for this thandle
if (!SetupCurrent3dDesc(PixelFormat->PixelFormat))
return NULL;
if (!CreateLightmapTHandle(THandle, Width, Height, NumMipLevels, PixelFormat))
return NULL;
CacheNeedsUpdate = GE_TRUE;
}
else if (PixelFormat->Flags & RDRIVER_PF_2D)
{
// 2d surfaces are always this format for now
memcpy(&CurrentSurfDesc, &AppInfo.ddSurfFormat, sizeof(DDSURFACEDESC2));
if (!Create2DTHandle(THandle, Width, Height, NumMipLevels, PixelFormat))
return NULL;
}
return THandle;
}
// Create a new texture handle...
geRDriver_THandle *DRIVERCC THandle_Create(int32 Width, int32 Height, int32 NumMipLevels,
const geRDriver_PixelFormat *PixelFormat)
{
geRDriver_THandle *THandle;
GLubyte Log;
THandle = FindTextureHandle();
if (!THandle)
{
SetLastDrvError(DRV_ERROR_GENERIC, "OGL_THandleCreate: No more handles left.");
gllog("ERROR: OGL_THandleCreate: No more handles left.\n");
goto ExitWithError;
}
if(PixelFormat->Flags & RDRIVER_PF_3D)
{
char errMsg[64];
if(Width > maxTextureSize)
{
sprintf(errMsg, "OGL_THandleCreate: Width > GL_MAX_TEXTURE_SIZE (%d)", maxTextureSize);
SetLastDrvError(DRV_ERROR_GENERIC, errMsg);
gllog("%s\n", errMsg);
goto ExitWithError;
}
if (Height > maxTextureSize)
{
sprintf(errMsg, "OGL_THandleCreate: Height > GL_MAX_TEXTURE_SIZE (%d)", maxTextureSize);
SetLastDrvError(DRV_ERROR_GENERIC, errMsg);
gllog("%s\n", errMsg);
goto ExitWithError;
}
}
THandle->MipLevels = NumMipLevels;
THandle->Width = Width;
THandle->Height = Height;
THandle->PixelFormat = *PixelFormat;
THandle->Flags = 0;
Log = (uint8)GetLog(Width, Height);
if(THandle->PixelFormat.Flags & RDRIVER_PF_2D)
{
THandle->PaddedWidth = SnapToPower2(THandle->Width);
THandle->PaddedHeight = SnapToPower2(THandle->Height);
}
else if(THandle->PixelFormat.Flags & RDRIVER_PF_3D)
{
THandle->InvScale = 1.0f / (GLfloat)((1<<Log));
}
else
{
// Must be a lightmap
THandle->Flags |= THANDLE_UPDATE_LM;
THandle->InvScale = 1.0f / (GLfloat)((1<<Log)<<4);
}
// Init an OpenGL texture object to hold this texture
glGenTextures(1, &(THandle->TextureID));
return THandle;
ExitWithError:
{
return NULL;
}
}