From: Bergmann89 Date: Tue, 19 Nov 2013 17:53:26 +0000 (+0100) Subject: * implemented TglBitmap1D X-Git-Url: https://git.delphigl.com/?a=commitdiff_plain;h=df5f73ad097033eb6fd4442ba0d1953eb1147865;p=LazOpenGLCore.git * implemented TglBitmap1D * fixed some memory issues --- diff --git a/glBitmap.pas b/glBitmap.pas index 38ddefd..0b4d037 100644 --- a/glBitmap.pas +++ b/glBitmap.pas @@ -4,7 +4,6 @@ http://www.opengl24.de/index.php?cat=header&file=glbitmap modified by Delphi OpenGL Community (http://delphigl.com/) - ------------------------------------------------------------ The contents of this file are used with permission, subject to the Mozilla Public License Version 1.1 (the "License"); you may @@ -241,7 +240,8 @@ unit glBitmap; {.$DEFINE GLB_DELPHI} // activate to enable the support for TLazIntfImage from Lazarus -{.$DEFINE GLB_LAZARUS} +{$DEFINE GLB_LAZARUS} + // activate to enable the support of SDL_image to load files. (READ ONLY) @@ -846,8 +846,8 @@ type procedure CreateID; procedure SetupParameters(out aBuildWithGlu: Boolean); - procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; //be careful, aData could be freed by this method procedure GenTexture(const aTestTextureSize: Boolean = true); virtual; abstract; function FlipHorz: Boolean; virtual; @@ -993,15 +993,28 @@ type end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmap1D = class(TglBitmap) + protected + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; + procedure UploadData(const aBuildWithGlu: Boolean); + public + property Width; + procedure AfterConstruction; override; + function FlipHorz: Boolean; override; + procedure GenTexture(const aTestTextureSize: Boolean = true); override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmap2D = class(TglBitmap) protected // Bildeinstellungen fLines: array of PByte; function GetScanline(const aIndex: Integer): Pointer; - procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; - procedure UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean); + procedure UploadData(const aBuildWithGlu: Boolean); public property Width; property Height; @@ -1045,24 +1058,7 @@ type end; - TglBitmap1D = class(TglBitmap) - protected - procedure GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); - - procedure SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); override; - procedure UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); - public - // propertys - property Width; - - procedure AfterConstruction; override; - - // Other - function FlipHorz: Boolean; override; - // Generation - procedure GenTexture(TestTextureSize: Boolean = true); override; - end; *) const @@ -2054,42 +2050,6 @@ begin end; {$ENDIF} -(* TODO GLB_DELPHI -{$IFDEF GLB_DELPHI} -function CreateGrayPalette: HPALETTE; -var - Idx: Integer; - Pal: PLogPalette; -begin - GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); - - Pal.palVersion := $300; - Pal.palNumEntries := 256; - - {$IFOPT R+} - {$DEFINE GLB_TEMPRANGECHECK} - {$R-} - {$ENDIF} - - for Idx := 0 to 256 - 1 do begin - Pal.palPalEntry[Idx].peRed := Idx; - Pal.palPalEntry[Idx].peGreen := Idx; - Pal.palPalEntry[Idx].peBlue := Idx; - Pal.palPalEntry[Idx].peFlags := 0; - end; - - {$IFDEF GLB_TEMPRANGECHECK} - {$UNDEF GLB_TEMPRANGECHECK} - {$R+} - {$ENDIF} - - result := CreatePalette(Pal^); - - FreeMem(Pal); -end; -{$ENDIF} -*) - {$IFDEF GLB_SDL_IMAGE} ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -4064,7 +4024,7 @@ begin exit; if TFormatDescriptor.Get(Format).PixelSize <> TFormatDescriptor.Get(aValue).PixelSize then raise EglBitmapUnsupportedFormat.Create(Format); - SetDataPointer(Data, aValue, Width, Height); + SetDataPointer(fData, aValue, Width, Height); //be careful, Data could be freed by this method end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -4150,7 +4110,7 @@ begin end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; +procedure TglBitmap.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; const aWidth: Integer; const aHeight: Integer); var s: Single; @@ -4218,8 +4178,11 @@ end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmap.BeforeDestruction; +var + NewData: PByte; begin - SetDataPointer(nil, tfEmpty); + NewData := nil; + SetDataPointer(NewData, tfEmpty); //be careful, Data could be freed by this method if (fID > 0) and fDeleteTextureOnFree then glDeleteTextures(1, @fID); inherited BeforeDestruction; @@ -4280,9 +4243,10 @@ begin GetMem(tmpData, size); try FillChar(tmpData^, size, #$FF); - SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); + SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method except - FreeMem(tmpData); + if Assigned(tmpData) then + FreeMem(tmpData); raise; end; AddFunc(Self, aFunc, false, Format, aArgs); @@ -4420,7 +4384,7 @@ begin // Updating Image or InternalFormat if aCreateTemp then - SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) + SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) //be careful, Data could be freed by this method else if (aFormat <> fFormat) then Format := aFormat; @@ -4430,7 +4394,7 @@ begin DestFD.FreeMappingData(DestMD); end; except - if aCreateTemp then + if aCreateTemp and Assigned(TmpData) then FreeMem(TmpData); raise; end; @@ -4525,10 +4489,11 @@ begin Inc(pTempData, RowSize); end; end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); + SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method result := true; except - FreeMem(pData); + if Assigned(pData) then + FreeMem(pData); raise; end; end; @@ -4694,10 +4659,11 @@ begin Inc(pTempData, RowSize); end; end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); + SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method result := true; except - FreeMem(pData); + if Assigned(pData) then + FreeMem(pData); raise; end; end; @@ -4843,9 +4809,10 @@ begin ImageData := GetMem(ImageSize); try Move(aImage.PixelData^, ImageData^, (aImage.Width * aImage.Height * aImage.DataDescription.BitsPerPixel) shr 3); - SetDataPointer(ImageData, f, aImage.Width, aImage.Height); + SetDataPointer(ImageData, f, aImage.Width, aImage.Height); //be careful, Data could be freed by this method except - FreeMem(ImageData); + if Assigned(ImageData) then + FreeMem(ImageData); raise; end; @@ -5177,13 +5144,16 @@ begin GetMem(TempPtr, Size); try Move(Data^, TempPtr^, Size); - Temp.SetDataPointer(TempPtr, Format, Width, Height); + Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method except - FreeMem(TempPtr); + if Assigned(TempPtr) then + FreeMem(TempPtr); raise; end; - end else - Temp.SetDataPointer(nil, Format, Width, Height); + end else begin + TempPtr := nil; + Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method + end; // copy properties Temp.fID := ID; @@ -5291,8 +5261,11 @@ end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmap.FreeData; +var + TempPtr: PByte; begin - SetDataPointer(nil, tfEmpty); + TempPtr := nil; + SetDataPointer(TempPtr, tfEmpty); //be careful, Data could be freed by this method end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -5450,11 +5423,11 @@ end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// constructor TglBitmap.Create; begin + if (ClassType = TglBitmap) then + raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); {$IFDEF GLB_NATIVE_OGL} glbReadOpenGLExtensions; {$ENDIF} - if (ClassType = TglBitmap) then - raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); inherited Create; end; @@ -5483,9 +5456,10 @@ begin GetMem(Image, ImageSize); try FillChar(Image^, ImageSize, #$FF); - SetDataPointer(Image, aFormat, aSize.X, aSize.Y); + SetDataPointer(Image, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method except - FreeMem(Image); + if Assigned(Image) then + FreeMem(Image); raise; end; end; @@ -5639,11 +5613,12 @@ begin SetLength(png_rows, 0); // set new data - SetDataPointer(png_data, Format, TempWidth, TempHeight); + SetDataPointer(png_data, Format, TempWidth, TempHeight); //be careful, Data could be freed by this method result := true; except - FreeMem(png_data); + if Assigned(png_data) then + FreeMem(png_data); raise; end; end; @@ -5732,11 +5707,12 @@ begin raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; - SetDataPointer(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); + SetDataPointer(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); //be careful, Data could be freed by this method result := true; except - FreeMem(NewImage); + if Assigned(NewImage) then + FreeMem(NewImage); raise; end; finally @@ -6173,11 +6149,12 @@ begin // destroy decompression jpeg_destroy_decompress(@jpeg); - SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); + SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method result := true; except - FreeMem(pImage); + if Assigned(pImage) then + FreeMem(pImage); raise; end; end; @@ -6570,7 +6547,7 @@ begin inc(TmpData, wbLineSize); aStream.Read(PaddingBuff{%H-}, Padding); end; - SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); + SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); //be careful, Data could be freed by this method result := true; finally if Assigned(LineBuf) then @@ -6580,7 +6557,8 @@ begin FormatDesc.FreeMappingData(DestMD); end; except - FreeMem(ImageData); + if Assigned(ImageData) then + FreeMem(ImageData); raise; end; end else @@ -7060,10 +7038,11 @@ begin ReadCompressed; end; - SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); + SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); //be careful, Data could be freed by this method result := true; except - FreeMem(ImageData); + if Assigned(ImageData) then + FreeMem(ImageData); raise; end; finally @@ -7384,10 +7363,11 @@ begin end else raise EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); - SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); + SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); //be careful, Data could be freed by this method result := true; except - FreeMem(NewImage); + if Assigned(NewImage) then + FreeMem(NewImage); raise; end; finally @@ -7453,6 +7433,112 @@ begin end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap1D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + pTemp: pByte; + Size: Integer; +begin + if (aHeight > 1) then begin + Size := TFormatDescriptor.Get(aFormat).GetSize(aWidth, 1); + GetMem(pTemp, Size); + try + Move(aData^, pTemp^, Size); + FreeMem(aData); + aData := nil; + except + FreeMem(pTemp); + raise; + end; + end else + pTemp := aData; + inherited SetDataPointer(pTemp, aFormat, aWidth); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap1D.FlipHorz: Boolean; +var + Col: Integer; + pTempDest, pDest, pSource: PByte; +begin + result := inherited FlipHorz; + if Assigned(Data) and not TFormatDescriptor.Get(Format).IsCompressed then begin + pSource := Data; + GetMem(pDest, fRowSize); + try + pTempDest := pDest; + Inc(pTempDest, fRowSize); + for Col := 0 to Width-1 do begin + dec(pTempDest, fPixelSize); //dec before, because ptr is behind last byte of data + Move(pSource^, pTempDest^, fPixelSize); + Inc(pSource, fPixelSize); + end; + SetDataPointer(pDest, Format, Width); //be careful, Data could be freed by this method + result := true; + except + if Assigned(pDest) then + FreeMem(pDest); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadData(const aBuildWithGlu: Boolean); +var + FormatDesc: TFormatDescriptor; +begin + // Upload data + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + glCompressedTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.GetSize(Width, 1), Data) + else if aBuildWithGlu then + gluBuild1DMipmaps(Target, FormatDesc.glInternalFormat, Width, FormatDesc.glFormat, FormatDesc.glDataFormat, Data) + else + glTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Data); + + // Free Data + if (FreeDataAfterGenTexture) then + FreeData; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.GenTexture(const aTestTextureSize: Boolean); +var + BuildWithGlu, TexRec: Boolean; + TexSize: Integer; +begin + if Assigned(Data) then begin + // Check Texture Size + if (aTestTextureSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + if (Width > TexSize) then + raise EglBitmapSizeToLargeException.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + + TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and + (Target = GL_TEXTURE_RECTANGLE_ARB); + if not (IsPowerOfTwo(Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then + raise EglBitmapNonPowerOfTwoException.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); + end; + + CreateId; + SetupParameters(BuildWithGlu); + UploadData(BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_1D; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //TglBitmap2D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// function TglBitmap2D.GetScanline(const aIndex: Integer): Pointer; @@ -7464,7 +7550,7 @@ begin end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; +procedure TglBitmap2D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; const aWidth: Integer; const aHeight: Integer); var Idx, LineWidth: Integer; @@ -7489,7 +7575,7 @@ begin end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean); +procedure TglBitmap2D.UploadData(const aBuildWithGlu: Boolean); var FormatDesc: TFormatDescriptor; begin @@ -7499,10 +7585,10 @@ begin if FormatDesc.IsCompressed then begin glCompressedTexImage2D(Target, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.GetSize(fDimension), Data) end else if aBuildWithGlu then begin - gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height, + gluBuild2DMipmaps(Target, FormatDesc.Components, Width, Height, FormatDesc.glFormat, FormatDesc.glDataFormat, Data) end else begin - glTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, + glTexImage2D(Target, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Data); end; @@ -7536,10 +7622,11 @@ begin try glPixelStorei(GL_PACK_ALIGNMENT, 1); glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); - SetDataPointer(Temp, Format, w, h); + SetDataPointer(Temp, Format, w, h); //be careful, Data could be freed by this method FlipVert; except - FreeMem(Temp); + if Assigned(Temp) then + FreeMem(Temp); raise; end; end; @@ -7577,9 +7664,10 @@ begin glGetCompressedTexImage(Target, 0, Temp) else glGetTexImage(Target, 0, FormatDesc.glInternalFormat, FormatDesc.glDataFormat, Temp); - SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); + SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method except - FreeMem(Temp); + if Assigned(Temp) then + FreeMem(Temp); raise; end; end; @@ -7600,14 +7688,13 @@ begin PotTex := IsPowerOfTwo(Height) and IsPowerOfTwo(Width); TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and (Target = GL_TEXTURE_RECTANGLE); - if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then raise EglBitmapNonPowerOfTwoException.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); end; CreateId; SetupParameters(BuildWithGlu); - UploadData(Target, BuildWithGlu); + UploadData(BuildWithGlu); glAreTexturesResident(1, @fID, @fIsResident); end; end; @@ -7635,10 +7722,11 @@ begin Dec(TempDestData, fPixelSize); end; end; - SetDataPointer(DestData, Format); + SetDataPointer(DestData, Format); //be careful, Data could be freed by this method result := true; except - FreeMem(DestData); + if Assigned(DestData) then + FreeMem(DestData); raise; end; end; @@ -7662,10 +7750,11 @@ begin Dec(TempDestData, fRowSize); Inc(SourceData, fRowSize); end; - SetDataPointer(DestData, Format); + SetDataPointer(DestData, Format); //be careful, Data could be freed by this method result := true; except - FreeMem(DestData); + if Assigned(DestData) then + FreeMem(DestData); raise; end; end; @@ -7903,134 +7992,7 @@ end; (* -procedure TglBitmap1D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer); -var - pTemp: pByte; - Size: Integer; -begin - if Height > 1 then begin - // extract first line of the data - Size := FormatGetImageSize(glBitmapPosition(Width), Format); - GetMem(pTemp, Size); - Move(Data^, pTemp^, Size); - - FreeMem(Data); - end else - pTemp := Data; - - // set data pointer - inherited SetDataPointer(pTemp, Format, Width); - - if FormatIsUncompressed(Format) then begin - fUnmapFunc := FormatGetUnMapFunc(Format); - fGetPixelFunc := GetPixel1DUnmap; - end; -end; - - -procedure TglBitmap1D.GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - pTemp: pByte; -begin - pTemp := Data; - Inc(pTemp, Pos.X * fPixelSize); - - fUnmapFunc(pTemp, Pixel); -end; - - -function TglBitmap1D.FlipHorz: Boolean; -var - Col: Integer; - pTempDest, pDest, pSource: pByte; -begin - result := inherited FlipHorz; - - if Assigned(Data) and FormatIsUncompressed(InternalFormat) then begin - pSource := Data; - - GetMem(pDest, fRowSize); - try - pTempDest := pDest; - - Inc(pTempDest, fRowSize); - for Col := 0 to Width -1 do begin - Move(pSource^, pTempDest^, fPixelSize); - - Inc(pSource, fPixelSize); - Dec(pTempDest, fPixelSize); - end; - - SetDataPointer(pDest, InternalFormat); - - result := true; - finally - FreeMem(pDest); - end; - end; -end; - - -procedure TglBitmap1D.UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); -begin - // Upload data - if Self.InternalFormat in [ifDXT1, ifDXT3, ifDXT5] then - glCompressedTexImage1D(Target, 0, InternalFormat, Width, 0, Trunc(Width * FormatGetSize(Self.InternalFormat)), Data) - else - - // Upload data - if BuildWithGlu then - gluBuild1DMipmaps(Target, InternalFormat, Width, Format, Typ, Data) - else - glTexImage1D(Target, 0, InternalFormat, Width, 0, Format, Typ, Data); - - // Freigeben - if (FreeDataAfterGenTexture) then - FreeData; -end; - - -procedure TglBitmap1D.GenTexture(TestTextureSize: Boolean); -var - BuildWithGlu, TexRec: Boolean; - glFormat, glInternalFormat, glType: Cardinal; - TexSize: Integer; -begin - if Assigned(Data) then begin - // Check Texture Size - if (TestTextureSize) then begin - glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); - - if (Width > TexSize) then - raise EglBitmapSizeToLargeException.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); - - TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and - (Target = GL_TEXTURE_RECTANGLE_ARB); - - if not (IsPowerOfTwo (Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then - raise EglBitmapNonPowerOfTwoException.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); - end; - - CreateId; - - SetupParameters(BuildWithGlu); - SelectFormat(InternalFormat, glFormat, glInternalFormat, glType); - - UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); - - // Infos sammeln - glAreTexturesResident(1, @fID, @fIsResident); - end; -end; - - -procedure TglBitmap1D.AfterConstruction; -begin - inherited; - - Target := GL_TEXTURE_1D; -end; { TglBitmapCubeMap }