std::string MovieTexture_Generic::Init()
{
std::string sError = m_pDecoder->Open( GetID().filename );
if( sError != "" )
return sError;
CreateTexture();
CreateFrameRects();
/* Decode one frame, to guarantee that the texture is drawn when this function returns. */
int ret = m_pDecoder->DecodeFrame( -1 );
if( ret == -1 )
return fmt::sprintf( "%s: error getting first frame", GetID().filename.c_str() );
if( ret == 0 )
{
/* There's nothing there. */
return fmt::sprintf( "%s: EOF getting first frame", GetID().filename.c_str() );
}
m_ImageWaiting = FRAME_DECODED;
LOG->Trace( "Resolution: %ix%i (%ix%i, %ix%i)",
m_iSourceWidth, m_iSourceHeight,
m_iImageWidth, m_iImageHeight, m_iTextureWidth, m_iTextureHeight );
UpdateFrame();
CHECKPOINT_M("Generic initialization completed. No errors found.");
return std::string();
}
MovieTexture_Null::MovieTexture_Null(RageTextureID ID) : RageMovieTexture(ID)
{
LOG->Trace("MovieTexture_Null::MovieTexture_Null(ID)");
texHandle = 0;
RageTextureID actualID = GetID();
actualID.iAlphaBits = 0;
int size = 64;
m_iSourceWidth = size;
m_iSourceHeight = size;
m_iImageWidth = size;
m_iImageHeight = size;
m_iTextureWidth = power_of_two(size);
m_iTextureHeight = m_iTextureWidth;
m_iFramesWide = 1;
m_iFramesHigh = 1;
CreateFrameRects();
RagePixelFormat pixfmt = RagePixelFormat_RGBA4;
if( !DISPLAY->SupportsTextureFormat(pixfmt) )
pixfmt = RagePixelFormat_RGBA8;
ASSERT( DISPLAY->SupportsTextureFormat(pixfmt) );
const RageDisplay::RagePixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc( pixfmt );
RageSurface *img = CreateSurface( size, size, pfd->bpp,
pfd->masks[0], pfd->masks[1], pfd->masks[2], pfd->masks[3] );
memset( img->pixels, 0, img->pitch*img->h );
texHandle = DISPLAY->CreateTexture( pixfmt, img, false );
delete img;
}
RageMovieTexture_Generic_Intermediate( RageTextureID ID, int iWidth, int iHeight,
int iImageWidth, int iImageHeight, int iTextureWidth, int iTextureHeight,
RageSurfaceFormat SurfaceFormat, RagePixelFormat pixfmt ):
RageTexture(ID),
m_SurfaceFormat( SurfaceFormat )
{
m_PixFmt = pixfmt;
m_iSourceWidth = iWidth;
m_iSourceHeight = iHeight;
/* int iMaxSize = std::min( GetID().iMaxSize, DISPLAY->GetMaxTextureSize() );
m_iImageWidth = std::min( m_iSourceWidth, iMaxSize );
m_iImageHeight = std::min( m_iSourceHeight, iMaxSize );
m_iTextureWidth = power_of_two( m_iImageWidth );
m_iTextureHeight = power_of_two( m_iImageHeight );
*/
m_iImageWidth = iImageWidth;
m_iImageHeight = iImageHeight;
m_iTextureWidth = iTextureWidth;
m_iTextureHeight = iTextureHeight;
CreateFrameRects();
m_uTexHandle = 0;
CreateTexture();
}
/* RageTextureID identifies a file and a mechanism for loading it. We don't use
* any of that, except as a unique identifier for this texture, so it can be
* loaded elsewhere. Render targets can't be loaded blindly like a regular
* texture, anyway, since something has to render into it. */
void RageTextureRenderTarget::Create()
{
/* All render targets support non-power-of-two targets,
* but some require that the resulting texture dimensions be powers of two.
* CreateRenderTarget returns the actual resolution. */
m_iTexHandle = DISPLAY->CreateRenderTarget( m_Param, m_iTextureWidth, m_iTextureHeight );
m_iSourceWidth = m_Param.iWidth;
m_iSourceHeight = m_Param.iHeight;
m_iImageWidth = m_Param.iWidth;
m_iImageHeight = m_Param.iHeight;
m_iFramesWide = m_iFramesHigh = 1;
CreateFrameRects();
}
void Create()
{
ASSERT( img );
/* The image is preprocessed; do as little work as possible. */
/* The source width is the width of the original file. */
m_iSourceWidth = width;
m_iSourceHeight = height;
/* The image width (within the texture) is always the entire texture.
* Only resize if the max texture size requires it; since these images
* are already scaled down, this shouldn't happen often. */
if( img->w > DISPLAY->GetMaxTextureSize() ||
img->h > DISPLAY->GetMaxTextureSize() )
{
LOG->Warn("Converted %s at runtime", GetID().filename.c_str() );
int width = min( img->w, DISPLAY->GetMaxTextureSize() );
int height = min( img->h, DISPLAY->GetMaxTextureSize() );
RageSurfaceUtils::Zoom( img, width, height );
}
/* We did this when we cached it. */
ASSERT( img->w == power_of_two(img->w) );
ASSERT( img->h == power_of_two(img->h) );
m_iTextureWidth = m_iImageWidth = img->w;
m_iTextureHeight = m_iImageHeight = img->h;
/* Find a supported texture format. If it happens to match the stored
* file, we won't have to do any conversion here, and that'll happen often
* with paletted images. */
RageDisplay::PixelFormat pf = img->format->BitsPerPixel == 8? RageDisplay::FMT_PAL: RageDisplay::FMT_RGB5A1;
if( !DISPLAY->SupportsTextureFormat(pf) )
pf = RageDisplay::FMT_RGBA4;
ASSERT( DISPLAY->SupportsTextureFormat(pf) );
ASSERT(img);
m_uTexHandle = DISPLAY->CreateTexture( pf, img, false );
CreateFrameRects();
}
CString MovieTexture_FFMpeg::Init()
{
CString sError = CreateDecoder();
if( sError != "" )
return sError;
LOG->Trace("Bitrate: %i", decoder->m_stream->codec.bit_rate );
LOG->Trace("Codec pixel format: %s", avcodec::avcodec_get_pix_fmt_name(decoder->m_stream->codec.pix_fmt) );
/* Decode one frame, to guarantee that the texture is drawn when this function returns. */
int ret = decoder->GetFrame();
if( ret == -1 )
return ssprintf( "%s: error getting first frame", GetID().filename.c_str() );
if( ret == 0 )
{
/* There's nothing there. */
return ssprintf( "%s: EOF getting first frame", GetID().filename.c_str() );
}
m_ImageWaiting = FRAME_DECODED;
CreateTexture();
LOG->Trace( "Resolution: %ix%i (%ix%i, %ix%i)",
m_iSourceWidth, m_iSourceHeight,
m_iImageWidth, m_iImageHeight, m_iTextureWidth, m_iTextureHeight );
LOG->Trace( "Texture pixel format: %i", m_AVTexfmt );
CreateFrameRects();
ConvertFrame();
UpdateFrame();
CHECKPOINT;
StartThread();
return "";
}
/*
* Each dwMaxSize, dwTextureColorDepth and iAlphaBits are maximums; we may
* use less. iAlphaBits must be 0, 1 or 4.
*
* XXX: change iAlphaBits == 4 to iAlphaBits == 8 to indicate "as much alpha
* as needed", since that's what it really is; still only use 4 in 16-bit textures.
*
* Dither forces dithering when loading 16-bit textures.
* Stretch forces the loaded image to fill the texture completely.
*/
void RageBitmapTexture::Create()
{
RageTextureID actualID = GetID();
ASSERT( actualID.filename != "" );
/* Load the image into a RageSurface. */
RString error;
RageSurface *pImg= NULL;
if(actualID.filename == TEXTUREMAN->GetScreenTextureID().filename)
{
pImg= TEXTUREMAN->GetScreenSurface();
}
else
{
pImg= RageSurfaceUtils::LoadFile(actualID.filename, error);
}
/* Tolerate corrupt/unknown images. */
if( pImg == NULL )
{
RString warning = ssprintf("RageBitmapTexture: Couldn't load %s: %s",
actualID.filename.c_str(), error.c_str());
LOG->Warn("%s", warning.c_str());
Dialog::OK(warning, "missing_texture");
pImg = RageSurfaceUtils::MakeDummySurface( 64, 64 );
ASSERT( pImg != NULL );
}
if( actualID.bHotPinkColorKey )
RageSurfaceUtils::ApplyHotPinkColorKey( pImg );
{
/* Do this after setting the color key for paletted images; it'll also return
* TRAIT_NO_TRANSPARENCY if the color key is never used. */
int iTraits = RageSurfaceUtils::FindSurfaceTraits( pImg );
if( iTraits & RageSurfaceUtils::TRAIT_NO_TRANSPARENCY )
actualID.iAlphaBits = 0;
else if( iTraits & RageSurfaceUtils::TRAIT_BOOL_TRANSPARENCY )
actualID.iAlphaBits = 1;
}
// look in the file name for a format hints
RString sHintString = GetID().filename + actualID.AdditionalTextureHints;
sHintString.MakeLower();
if( sHintString.find("32bpp") != string::npos ) actualID.iColorDepth = 32;
else if( sHintString.find("16bpp") != string::npos ) actualID.iColorDepth = 16;
if( sHintString.find("dither") != string::npos ) actualID.bDither = true;
if( sHintString.find("stretch") != string::npos ) actualID.bStretch = true;
if( sHintString.find("mipmaps") != string::npos ) actualID.bMipMaps = true;
if( sHintString.find("nomipmaps") != string::npos ) actualID.bMipMaps = false; // check for "nomipmaps" after "mipmaps"
/* If the image is marked grayscale, then use all bits not used for alpha
* for the intensity. This way, if an image has no alpha, you get an 8-bit
* grayscale; if it only has boolean transparency, you get a 7-bit grayscale. */
if( sHintString.find("grayscale") != string::npos ) actualID.iGrayscaleBits = 8-actualID.iAlphaBits;
/* This indicates that the only component in the texture is alpha; assume all
* color is white. */
if( sHintString.find("alphamap") != string::npos ) actualID.iGrayscaleBits = 0;
/* No iGrayscaleBits for images that are already paletted. We don't support
* that; and that hint is intended for use on images that are already grayscale,
* it's not intended to change a color image into a grayscale image. */
if( actualID.iGrayscaleBits != -1 && pImg->format->BitsPerPixel == 8 )
actualID.iGrayscaleBits = -1;
/* Cap the max texture size to the hardware max. */
actualID.iMaxSize = min( actualID.iMaxSize, DISPLAY->GetMaxTextureSize() );
/* Save information about the source. */
m_iSourceWidth = pImg->w;
m_iSourceHeight = pImg->h;
/* in-game image dimensions are the same as the source graphic */
m_iImageWidth = m_iSourceWidth;
m_iImageHeight = m_iSourceHeight;
/* if "doubleres" (high resolution) and we're not allowing high res textures, then image dimensions are half of the source */
if( sHintString.find("doubleres") != string::npos )
{
if( !StepMania::GetHighResolutionTextures() )
{
m_iImageWidth = m_iImageWidth / 2;
m_iImageHeight = m_iImageHeight / 2;
}
}
/* image size cannot exceed max size */
m_iImageWidth = min( m_iImageWidth, actualID.iMaxSize );
m_iImageHeight = min( m_iImageHeight, actualID.iMaxSize );
/* Texture dimensions need to be a power of two; jump to the next. */
m_iTextureWidth = power_of_two(m_iImageWidth);
m_iTextureHeight = power_of_two(m_iImageHeight);
/* If we're under 8x8, increase it, to avoid filtering problems on odd hardware. */
if( m_iTextureWidth < 8 || m_iTextureHeight < 8 )
{
actualID.bStretch = true;
m_iTextureWidth = max( 8, m_iTextureWidth );
m_iTextureHeight = max( 8, m_iTextureHeight );
}
ASSERT_M( m_iTextureWidth <= actualID.iMaxSize, ssprintf("w %i, %i", m_iTextureWidth, actualID.iMaxSize) );
ASSERT_M( m_iTextureHeight <= actualID.iMaxSize, ssprintf("h %i, %i", m_iTextureHeight, actualID.iMaxSize) );
if( actualID.bStretch )
{
/* The hints asked for the image to be stretched to the texture size,
* probably for tiling. */
m_iImageWidth = m_iTextureWidth;
m_iImageHeight = m_iTextureHeight;
}
if( pImg->w != m_iImageWidth || pImg->h != m_iImageHeight )
RageSurfaceUtils::Zoom( pImg, m_iImageWidth, m_iImageHeight );
if( actualID.iGrayscaleBits != -1 && DISPLAY->SupportsTextureFormat(RagePixelFormat_PAL) )
{
RageSurface *pGrayscale = RageSurfaceUtils::PalettizeToGrayscale( pImg, actualID.iGrayscaleBits, actualID.iAlphaBits );
delete pImg;
pImg = pGrayscale;
}
// Figure out which texture format we want the renderer to use.
RagePixelFormat pixfmt;
// If the source is palleted, always load as paletted if supported.
if( pImg->format->BitsPerPixel == 8 && DISPLAY->SupportsTextureFormat(RagePixelFormat_PAL) )
{
pixfmt = RagePixelFormat_PAL;
}
else
{
// not paletted
switch( actualID.iColorDepth )
{
case 16:
{
// Bits of alpha in the source:
int iSourceAlphaBits = 8 - pImg->format->Loss[3];
// Don't use more than we were hinted to.
iSourceAlphaBits = min( actualID.iAlphaBits, iSourceAlphaBits );
switch( iSourceAlphaBits )
{
case 0:
case 1:
pixfmt = RagePixelFormat_RGB5A1;
break;
default:
pixfmt = RagePixelFormat_RGBA4;
break;
}
}
break;
case 32:
pixfmt = RagePixelFormat_RGBA8;
break;
default: FAIL_M( ssprintf("%i", actualID.iColorDepth) );
}
}
// Make we're using a supported format. Every card supports either RGBA8 or RGBA4.
if( !DISPLAY->SupportsTextureFormat(pixfmt) )
{
pixfmt = RagePixelFormat_RGBA8;
if( !DISPLAY->SupportsTextureFormat(pixfmt) )
pixfmt = RagePixelFormat_RGBA4;
}
/* Dither if appropriate.
* XXX: This is a special case: don't bother dithering to RGBA8888.
* We actually want to dither only if the destination has greater color depth
* on at least one color channel than the source. For example, it doesn't
* make sense to do this when pixfmt is RGBA5551 if the image is only RGBA555. */
if( actualID.bDither &&
(pixfmt==RagePixelFormat_RGBA4 || pixfmt==RagePixelFormat_RGB5A1) )
{
// Dither down to the destination format.
const RageDisplay::RagePixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt);
RageSurface *dst = CreateSurface( pImg->w, pImg->h, pfd->bpp,
pfd->masks[0], pfd->masks[1], pfd->masks[2], pfd->masks[3] );
RageSurfaceUtils::ErrorDiffusionDither( pImg, dst );
delete pImg;
pImg = dst;
}
/* This needs to be done *after* the final resize, since that resize
* may introduce new alpha bits that need to be set. It needs to be
* done *before* we set up the palette, since it might change it. */
RageSurfaceUtils::FixHiddenAlpha( pImg );
/* Scale up to the texture size, if needed. */
RageSurfaceUtils::ConvertSurface( pImg, m_iTextureWidth, m_iTextureHeight,
pImg->fmt.BitsPerPixel, pImg->fmt.Mask[0], pImg->fmt.Mask[1], pImg->fmt.Mask[2], pImg->fmt.Mask[3] );
m_uTexHandle = DISPLAY->CreateTexture( pixfmt, pImg, actualID.bMipMaps );
CreateFrameRects();
{
// Enforce frames in the image have even dimensions.
// Otherwise, pixel/texel alignment will be off.
int iDimensionMultiple = 2;
if( sHintString.find("doubleres") != string::npos )
{
iDimensionMultiple = 4;
}
bool bRunCheck = true;
// Don't check if the artist intentionally blanked the image by making it very tiny.
if( this->GetSourceWidth()<=iDimensionMultiple || this->GetSourceHeight()<=iDimensionMultiple )
bRunCheck = false;
// HACK: Don't check song graphics. Many of them are weird dimensions.
if( !TEXTUREMAN->GetOddDimensionWarning() )
bRunCheck = false;
// Don't check if this is the screen texture, the theme can't do anything
// about it. -Kyz
if(actualID == TEXTUREMAN->GetScreenTextureID())
{
bRunCheck= false;
}
if( bRunCheck )
{
float fFrameWidth = this->GetSourceWidth() / (float)this->GetFramesWide();
float fFrameHeight = this->GetSourceHeight() / (float)this->GetFramesHigh();
float fBetterFrameWidth = ceilf(fFrameWidth/iDimensionMultiple) * iDimensionMultiple;
float fBetterFrameHeight = ceilf(fFrameHeight/iDimensionMultiple) * iDimensionMultiple;
float fBetterSourceWidth = this->GetFramesWide() * fBetterFrameWidth;
float fBetterSourceHeight = this->GetFramesHigh() * fBetterFrameHeight;
if( fFrameWidth!=fBetterFrameWidth || fFrameHeight!=fBetterFrameHeight )
{
RString sWarning = ssprintf(
"The graphic '%s' has frame dimensions that aren't a multiple of %d.\n"
"The entire image is %dx%d and frame size is %.1fx%.1f.\n"
"Image quality will be much improved if you resize the graphic to %.0fx%.0f, which is a frame size of %.0fx%.0f.",
actualID.filename.c_str(),
iDimensionMultiple,
this->GetSourceWidth(), this->GetSourceHeight(),
fFrameWidth, fFrameHeight,
fBetterSourceWidth, fBetterSourceHeight,
fBetterFrameWidth, fBetterFrameHeight );
LOG->Warn( "%s", sWarning.c_str() );
Dialog::OK( sWarning, "FRAME_DIMENSIONS_WARNING" );
}
}
}
delete pImg;
// Check for hints that override the apparent "size".
GetResolutionFromFileName( actualID.filename, m_iSourceWidth, m_iSourceHeight );
/* if "doubleres" (high resolution) then we want the image to appear in-game
* with dimensions 1/2 of the source. So, cut down the source dimension here
* after everything above is finished operating with the real image
* source dimensions. */
if( sHintString.find("doubleres") != string::npos )
{
m_iSourceWidth = m_iSourceWidth / 2;
m_iSourceHeight = m_iSourceHeight / 2;
}
RString sProperties;
sProperties += RagePixelFormatToString( pixfmt ) + " ";
if( actualID.iAlphaBits == 0 ) sProperties += "opaque ";
if( actualID.iAlphaBits == 1 ) sProperties += "matte ";
if( actualID.bStretch ) sProperties += "stretch ";
if( actualID.bDither ) sProperties += "dither ";
sProperties.erase( sProperties.size()-1 );
//LOG->Trace( "RageBitmapTexture: Loaded '%s' (%ux%u); %s, source %d,%d; image %d,%d.",
// actualID.filename.c_str(), GetTextureWidth(), GetTextureHeight(),
// sProperties.c_str(), m_iSourceWidth, m_iSourceHeight,
// m_iImageWidth, m_iImageHeight );
}
/*
* Each dwMaxSize, dwTextureColorDepth and iAlphaBits are maximums; we may
* use less. iAlphaBits must be 0, 1 or 4.
*
* XXX: change iAlphaBits == 4 to iAlphaBits == 8 to indicate "as much alpha
* as needed", since that's what it really is; still only use 4 in 16-bit textures.
*
* Dither forces dithering when loading 16-bit textures.
* Stretch forces the loaded image to fill the texture completely.
*/
void RageBitmapTexture::Create()
{
RageTextureID actualID = GetID();
ASSERT( actualID.filename != "" );
/* Create (and return) a surface ready to be loaded to OpenGL */
/* Load the image into a RageSurface. */
CString error;
RageSurface *img = RageSurfaceUtils::LoadFile( actualID.filename, error );
/* Tolerate corrupt/unknown images. */
if( img == NULL )
{
CString sWarning = ssprintf( "RageBitmapTexture: Couldn't load %s: %s", actualID.filename.c_str(), error.c_str() );
Dialog::OK( sWarning );
img = RageSurfaceUtils::MakeDummySurface( 64, 64 );
ASSERT( img != NULL );
}
if( actualID.bHotPinkColorKey )
RageSurfaceUtils::ApplyHotPinkColorKey( img );
{
/* Do this after setting the color key for paletted images; it'll also return
* TRAIT_NO_TRANSPARENCY if the color key is never used. */
int traits = RageSurfaceUtils::FindSurfaceTraits(img);
if( traits & RageSurfaceUtils::TRAIT_NO_TRANSPARENCY )
actualID.iAlphaBits = 0;
else if( traits & RageSurfaceUtils::TRAIT_BOOL_TRANSPARENCY )
actualID.iAlphaBits = 1;
}
// look in the file name for a format hints
CString HintString = GetID().filename + actualID.AdditionalTextureHints;
HintString.MakeLower();
if( HintString.find("32bpp") != CString::npos ) actualID.iColorDepth = 32;
else if( HintString.find("16bpp") != CString::npos ) actualID.iColorDepth = 16;
if( HintString.find("dither") != CString::npos ) actualID.bDither = true;
if( HintString.find("stretch") != CString::npos ) actualID.bStretch = true;
if( HintString.find("mipmaps") != CString::npos ) actualID.bMipMaps = true;
if( HintString.find("nomipmaps") != CString::npos ) actualID.bMipMaps = false; // check for "nomipmaps" after "mipmaps"
/* If the image is marked grayscale, then use all bits not used for alpha
* for the intensity. This way, if an image has no alpha, you get an 8-bit
* grayscale; if it only has boolean transparency, you get a 7-bit grayscale. */
if( HintString.find("grayscale") != CString::npos ) actualID.iGrayscaleBits = 8-actualID.iAlphaBits;
/* This indicates that the only component in the texture is alpha; assume all
* color is white. */
if( HintString.find("alphamap") != CString::npos ) actualID.iGrayscaleBits = 0;
/* No iGrayscaleBits for images that are already paletted. We don't support
* that; and that hint is intended for use on images that are already grayscale,
* it's not intended to change a color image into a grayscale image. */
if( actualID.iGrayscaleBits != -1 && img->format->BitsPerPixel == 8 )
actualID.iGrayscaleBits = -1;
/* Cap the max texture size to the hardware max. */
actualID.iMaxSize = min( actualID.iMaxSize, DISPLAY->GetMaxTextureSize() );
/* Save information about the source. */
m_iSourceWidth = img->w;
m_iSourceHeight = img->h;
/* image size cannot exceed max size */
m_iImageWidth = min( m_iSourceWidth, actualID.iMaxSize );
m_iImageHeight = min( m_iSourceHeight, actualID.iMaxSize );
/* Texture dimensions need to be a power of two; jump to the next. */
m_iTextureWidth = power_of_two(m_iImageWidth);
m_iTextureHeight = power_of_two(m_iImageHeight);
/* If we're under 8x8, increase it, to avoid filtering problems on odd hardware. */
if(m_iTextureWidth < 8 || m_iTextureHeight < 8)
{
actualID.bStretch = true;
m_iTextureWidth = max(8, m_iTextureWidth);
m_iTextureHeight = max(8, m_iTextureHeight);
}
ASSERT( m_iTextureWidth <= actualID.iMaxSize );
ASSERT( m_iTextureHeight <= actualID.iMaxSize );
if(actualID.bStretch)
{
/* The hints asked for the image to be stretched to the texture size,
* probably for tiling. */
m_iImageWidth = m_iTextureWidth;
m_iImageHeight = m_iTextureHeight;
}
if( img->w != m_iImageWidth || img->h != m_iImageHeight )
RageSurfaceUtils::Zoom( img, m_iImageWidth, m_iImageHeight );
// Format of the image that we will pass to OpenGL and that we want OpenGL to use
RageDisplay::PixelFormat pixfmt;
if( actualID.iGrayscaleBits != -1 && DISPLAY->SupportsTextureFormat(RageDisplay::FMT_PAL) )
{
RageSurface *dst = RageSurfaceUtils::PalettizeToGrayscale( img, actualID.iGrayscaleBits, actualID.iAlphaBits );
delete img;
img = dst;
}
/* Figure out which texture format to use. */
// if the source is palleted, load palleted no matter what the prefs
if(img->format->BitsPerPixel == 8 && DISPLAY->SupportsTextureFormat(RageDisplay::FMT_PAL))
{
pixfmt = RageDisplay::FMT_PAL;
}
else
{
// not paletted
switch( actualID.iColorDepth )
{
case 16:
{
/* Bits of alpha in the source: */
int src_alpha_bits = 8 - img->format->Loss[3];
/* Don't use more than we were hinted to. */
src_alpha_bits = min( actualID.iAlphaBits, src_alpha_bits );
switch( src_alpha_bits ) {
case 0:
case 1:
pixfmt = RageDisplay::FMT_RGB5A1;
break;
default:
pixfmt = RageDisplay::FMT_RGBA4;
break;
}
}
break;
case 32:
pixfmt = RageDisplay::FMT_RGBA8;
break;
default:
RageException::Throw( "Invalid color depth: %d bits", actualID.iColorDepth );
}
}
/* Make we're using a supported format. Every card supports either RGBA8 or RGBA4. */
if( !DISPLAY->SupportsTextureFormat(pixfmt) )
{
pixfmt = RageDisplay::FMT_RGBA8;
if( !DISPLAY->SupportsTextureFormat(pixfmt) )
pixfmt = RageDisplay::FMT_RGBA4;
}
/* Dither if appropriate. XXX: This is a special case: don't bother dithering to
* RGBA8888. We actually want to dither only if the destination has greater color
* depth on at least one color channel than the source. For example, it doesn't
* make sense to do this when pixfmt is RGBA5551 if the image is only RGBA555. */
if( actualID.bDither &&
(pixfmt==RageDisplay::FMT_RGBA4 || pixfmt==RageDisplay::FMT_RGB5A1) )
{
/* Dither down to the destination format. */
const RageDisplay::PixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt);
RageSurface *dst = CreateSurface( img->w, img->h, pfd->bpp,
pfd->masks[0], pfd->masks[1], pfd->masks[2], pfd->masks[3] );
RageSurfaceUtils::ErrorDiffusionDither( img, dst );
delete img;
img = dst;
}
/* This needs to be done *after* the final resize, since that resize
* may introduce new alpha bits that need to be set. It needs to be
* done *before* we set up the palette, since it might change it. */
RageSurfaceUtils::FixHiddenAlpha(img);
/* Convert the data to the destination format and dimensions
* required by OpenGL if it's not in it already. */
/* We no longer need to do this; pixfmt and the format of img no longer have
* to match. This means that if we have a paletted image, but the hardware
* doesn't support it, we can leave the data in the smaller paletted format
* and let OpenGL dereference it, as long as nothing else (such as dithering)
* ends up depalettizing it first. We only have to scale it up to the texture
* size, which we won't have to do either if the image size is already a power
* of two. */
// const RageDisplay::PixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt);
RageSurfaceUtils::ConvertSurface( img, m_iTextureWidth, m_iTextureHeight,
img->fmt.BitsPerPixel, img->fmt.Mask[0], img->fmt.Mask[1], img->fmt.Mask[2], img->fmt.Mask[3] );
// pfd->bpp, pfd->masks[0], pfd->masks[1], pfd->masks[2], pfd->masks[3] );
m_uTexHandle = DISPLAY->CreateTexture( pixfmt, img, actualID.bMipMaps );
CreateFrameRects();
//
// Enforce frames in the image have even dimensions. Otherwise,
// pixel/texel alignment will be off.
//
bool bRunCheck = true;
// Don't check if the artist intentionally blanked the image by making it very tiny.
if( this->GetSourceWidth()<=2 || this->GetSourceHeight()<=2 )
bRunCheck = false;
// HACK: Don't check song graphics. Many of them are weird dimensions.
if( !TEXTUREMAN->GetOddDimensionWarning() )
bRunCheck = false;
if( bRunCheck )
{
float fFrameWidth = this->GetSourceWidth() / (float)this->GetFramesWide();
float fFrameHeight = this->GetSourceHeight() / (float)this->GetFramesHigh();
float fBetterFrameWidth = roundf((fFrameWidth+0.99f)/2)*2;
float fBetterFrameHeight = roundf((fFrameHeight+0.99f)/2)*2;
float fBetterSourceWidth = this->GetFramesWide() * fBetterFrameWidth;
float fBetterSourceHeight = this->GetFramesHigh() * fBetterFrameHeight;
if( fFrameWidth!=fBetterFrameWidth || fFrameHeight!=fBetterFrameHeight )
{
CString sWarning = ssprintf(
"The graphic '%s' has frame dimensions that aren't even numbers.\n\n"
"The entire image is %dx%d and frame size is %.1fx%.1f.\n\n"
"Image quality will be much improved if you resize the graphic to %.0fx%.0f, which is a frame size of %.0fx%.0f.",
actualID.filename.c_str(),
this->GetSourceWidth(), this->GetSourceHeight(),
fFrameWidth, fFrameHeight,
fBetterSourceWidth, fBetterSourceHeight,
fBetterFrameWidth, fBetterFrameHeight );
LOG->Warn( sWarning );
Dialog::OK( sWarning, "FRAME_DIMENSIONS_WARNING" );
}
}
delete img;
/* See if the apparent "size" is being overridden. */
GetResolutionFromFileName(actualID.filename, m_iSourceWidth, m_iSourceHeight);
CString props;
props += RageDisplay::PixelFormatToString( pixfmt ) + " ";
if(actualID.iAlphaBits == 0) props += "opaque ";
if(actualID.iAlphaBits == 1) props += "matte ";
if(actualID.bStretch) props += "stretch ";
if(actualID.bDither) props += "dither ";
props.erase(props.size()-1);
LOG->Trace( "RageBitmapTexture: Loaded '%s' (%ux%u); %s, source %d,%d; image %d,%d.",
actualID.filename.c_str(), GetTextureWidth(), GetTextureHeight(),
props.c_str(), m_iSourceWidth, m_iSourceHeight,
m_iImageWidth, m_iImageHeight);
}
