diff options
Diffstat (limited to 'src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java')
| -rwxr-xr-x | src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java | 1101 |
1 files changed, 414 insertions, 687 deletions
diff --git a/src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java b/src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java index 41895cf1a..7e275cf3d 100755 --- a/src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java +++ b/src/classes/com/sun/opengl/util/texture/awt/AWTTextureData.java @@ -45,720 +45,447 @@ import java.awt.image.*; import java.nio.*; import javax.media.opengl.*; -import javax.media.opengl.util.*; import com.sun.opengl.util.texture.*; -import com.sun.opengl.util.texture.spi.*; -/** - * Represents the data for an OpenGL texture. This is separated from - * the notion of a Texture to support things like streaming in of - * textures in a background thread without requiring an OpenGL context - * to be current on that thread. - * - * @author Chris Campbell - * @author Kenneth Russell - */ - -public class AWTTextureData implements TextureData { - private int width; - private int height; - private int border; - private int pixelFormat; - private int pixelType; - private int internalFormat; // perhaps inferred from pixelFormat? - private boolean mipmap; // indicates whether mipmaps should be generated - // (ignored if mipmaps are supplied from the file) - private boolean dataIsCompressed; - private boolean mustFlipVertically; // Must flip texture coordinates - // vertically to get OpenGL output - // to look correct - private Buffer buffer; // the actual data... - private Buffer[] mipmapData; // ...or a series of mipmaps - private Flusher flusher; - private int rowLength; - private int alignment; // 1, 2, or 4 bytes - private int estimatedMemorySize; - - // Mechanism for lazily converting input BufferedImages with custom - // ColorModels to standard ones for uploading to OpenGL, as well as - // backing off from the optimizations of hoping that either - // GL_EXT_abgr or OpenGL 1.2 are present - private BufferedImage imageForLazyCustomConversion; - private boolean expectingEXTABGR; - private boolean haveEXTABGR; - private boolean expectingGL12; - private boolean haveGL12; - - private static final ColorModel rgbaColorModel = - new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), - new int[] {8, 8, 8, 8}, true, true, - Transparency.TRANSLUCENT, - DataBuffer.TYPE_BYTE); - private static final ColorModel rgbColorModel = - new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), - new int[] {8, 8, 8, 0}, false, false, - Transparency.OPAQUE, - DataBuffer.TYPE_BYTE); - - /** - * Constructs a new AWTTextureData object with the specified parameters - * and data contained in the given Buffer. The optional Flusher can - * be used to clean up native resources associated with this - * AWTTextureData when processing is complete; for example, closing of - * memory-mapped files that might otherwise require a garbage - * collection to reclaim and close. - * - * @param internalFormat the OpenGL internal format for the - * resulting texture; must be specified, may - * not be 0 - * @param width the width in pixels of the texture - * @param height the height in pixels of the texture - * @param border the number of pixels of border this texture - * data has (0 or 1) - * @param pixelFormat the OpenGL pixel format for the - * resulting texture; must be specified, may - * not be 0 - * @param pixelType the OpenGL type of the pixels of the texture - * @param mipmap indicates whether mipmaps should be - * autogenerated (using GLU) for the resulting - * texture. Currently if mipmap is true then - * dataIsCompressed may not be true. - * @param dataIsCompressed indicates whether the texture data is in - * compressed form - * (e.g. GL_COMPRESSED_RGB_S3TC_DXT1_EXT) - * @param mustFlipVertically indicates whether the texture - * coordinates must be flipped vertically - * in order to properly display the - * texture - * @param buffer the buffer containing the texture data - * @param flusher optional flusher to perform cleanup tasks - * upon call to flush() - * - * @throws IllegalArgumentException if any parameters of the texture - * data were invalid, such as requesting mipmap generation for a - * compressed texture - */ - public AWTTextureData(int internalFormat, - int width, - int height, - int border, - int pixelFormat, - int pixelType, - boolean mipmap, - boolean dataIsCompressed, - boolean mustFlipVertically, - Buffer buffer, - Flusher flusher) throws IllegalArgumentException { - if (mipmap && dataIsCompressed) { - throw new IllegalArgumentException("Can not generate mipmaps for compressed textures"); - } - - this.width = width; - this.height = height; - this.border = border; - this.pixelFormat = pixelFormat; - this.pixelType = pixelType; - this.internalFormat = internalFormat; - this.mipmap = mipmap; - this.dataIsCompressed = dataIsCompressed; - this.mustFlipVertically = mustFlipVertically; - this.buffer = buffer; - this.flusher = flusher; - alignment = 1; // FIXME: is this correct enough in all situations? - estimatedMemorySize = estimatedMemorySize(buffer); - } - - /** - * Constructs a new AWTTextureData object with the specified parameters - * and data for multiple mipmap levels contained in the given array - * of Buffers. The optional Flusher can be used to clean up native - * resources associated with this AWTTextureData when processing is - * complete; for example, closing of memory-mapped files that might - * otherwise require a garbage collection to reclaim and close. - * - * @param internalFormat the OpenGL internal format for the - * resulting texture; must be specified, may - * not be 0 - * @param width the width in pixels of the topmost mipmap - * level of the texture - * @param height the height in pixels of the topmost mipmap - * level of the texture - * @param border the number of pixels of border this texture - * data has (0 or 1) - * @param pixelFormat the OpenGL pixel format for the - * resulting texture; must be specified, may - * not be 0 - * @param pixelType the OpenGL type of the pixels of the texture - * @param dataIsCompressed indicates whether the texture data is in - * compressed form - * (e.g. GL_COMPRESSED_RGB_S3TC_DXT1_EXT) - * @param mustFlipVertically indicates whether the texture - * coordinates must be flipped vertically - * in order to properly display the - * texture - * @param mipmapData the buffers containing all mipmap levels - * of the texture's data - * @param flusher optional flusher to perform cleanup tasks - * upon call to flush() - * - * @throws IllegalArgumentException if any parameters of the texture - * data were invalid, such as requesting mipmap generation for a - * compressed texture - */ - public AWTTextureData(int internalFormat, - int width, - int height, - int border, - int pixelFormat, - int pixelType, - boolean dataIsCompressed, - boolean mustFlipVertically, - Buffer[] mipmapData, - Flusher flusher) throws IllegalArgumentException { - this.width = width; - this.height = height; - this.border = border; - this.pixelFormat = pixelFormat; - this.pixelType = pixelType; - this.internalFormat = internalFormat; - this.dataIsCompressed = dataIsCompressed; - this.mustFlipVertically = mustFlipVertically; - this.mipmapData = (Buffer[]) mipmapData.clone(); - this.flusher = flusher; - alignment = 1; // FIXME: is this correct enough in all situations? - for (int i = 0; i < mipmapData.length; i++) { - estimatedMemorySize += estimatedMemorySize(mipmapData[i]); - } - } - - /** - * Constructs a new AWTTextureData object with the specified parameters - * and data contained in the given BufferedImage. The resulting - * AWTTextureData "wraps" the contents of the BufferedImage, so if a - * modification is made to the BufferedImage between the time the - * AWTTextureData is constructed and when a Texture is made from the - * AWTTextureData, that modification will be visible in the resulting - * Texture. - * - * @param internalFormat the OpenGL internal format for the - * resulting texture; may be 0, in which case - * it is inferred from the image's type - * @param pixelFormat the OpenGL internal format for the - * resulting texture; may be 0, in which case - * it is inferred from the image's type (note: - * this argument is currently always ignored) - * @param mipmap indicates whether mipmaps should be - * autogenerated (using GLU) for the resulting - * texture - * @param image the image containing the texture data - */ - public AWTTextureData(int internalFormat, - int pixelFormat, - boolean mipmap, - BufferedImage image) { - if (internalFormat == 0) { - this.internalFormat = image.getColorModel().hasAlpha() ? GL.GL_RGBA : GL.GL_RGB; - } else { - this.internalFormat = internalFormat; - } - createFromImage(image); - this.mipmap = mipmap; - if (buffer != null) { - estimatedMemorySize = estimatedMemorySize(buffer); - } else { - // In the lazy custom conversion case we don't yet have a buffer - if (imageForLazyCustomConversion != null) { - estimatedMemorySize = estimatedMemorySize(wrapImageDataBuffer(imageForLazyCustomConversion)); - } +public class AWTTextureData extends TextureData { + // Mechanism for lazily converting input BufferedImages with custom + // ColorModels to standard ones for uploading to OpenGL, as well as + // backing off from the optimizations of hoping that either + // GL_EXT_abgr or OpenGL 1.2 are present + private BufferedImage imageForLazyCustomConversion; + private boolean expectingEXTABGR; + private boolean expectingGL12; + + private static final ColorModel rgbaColorModel = + new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + new int[] {8, 8, 8, 8}, true, true, + Transparency.TRANSLUCENT, + DataBuffer.TYPE_BYTE); + private static final ColorModel rgbColorModel = + new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + new int[] {8, 8, 8, 0}, false, false, + Transparency.OPAQUE, + DataBuffer.TYPE_BYTE); + + + /** + * Constructs a new TextureData object with the specified parameters + * and data contained in the given BufferedImage. The resulting + * TextureData "wraps" the contents of the BufferedImage, so if a + * modification is made to the BufferedImage between the time the + * TextureData is constructed and when a Texture is made from the + * TextureData, that modification will be visible in the resulting + * Texture. + * + * @param internalFormat the OpenGL internal format for the + * resulting texture; may be 0, in which case + * it is inferred from the image's type + * @param pixelFormat the OpenGL internal format for the + * resulting texture; may be 0, in which case + * it is inferred from the image's type (note: + * this argument is currently always ignored) + * @param mipmap indicates whether mipmaps should be + * autogenerated (using GLU) for the resulting + * texture + * @param image the image containing the texture data + */ + public AWTTextureData(int internalFormat, + int pixelFormat, + boolean mipmap, + BufferedImage image) { + super(); + if (internalFormat == 0) { + this.internalFormat = image.getColorModel().hasAlpha() ? GL.GL_RGBA : GL.GL_RGB; + } else { + this.internalFormat = internalFormat; + } + createFromImage(image); + this.mipmap = mipmap; + if (buffer != null) { + estimatedMemorySize = estimatedMemorySize(buffer); + } else { + // In the lazy custom conversion case we don't yet have a buffer + if (imageForLazyCustomConversion != null) { + estimatedMemorySize = estimatedMemorySize(wrapImageDataBuffer(imageForLazyCustomConversion)); + } + } } - } - /** Returns the width in pixels of the texture data. */ - public int getWidth() { return width; } - /** Returns the height in pixels of the texture data. */ - public int getHeight() { return height; } - /** Returns the border in pixels of the texture data. */ - public int getBorder() { return border; } - /** Returns the intended OpenGL pixel format of the texture data. */ - public int getPixelFormat() { - if (imageForLazyCustomConversion != null) { - if (!((expectingEXTABGR && haveEXTABGR) || - (expectingGL12 && haveGL12))) { - revertPixelFormatAndType(); - } - } - return pixelFormat; - } - /** Returns the intended OpenGL pixel type of the texture data. */ - public int getPixelType() { - if (imageForLazyCustomConversion != null) { - if (!((expectingEXTABGR && haveEXTABGR) || - (expectingGL12 && haveGL12))) { - revertPixelFormatAndType(); - } + /** Returns the intended OpenGL pixel format of the texture data. */ + public int getPixelFormat() { + if (imageForLazyCustomConversion != null) { + if (!((expectingEXTABGR && haveEXTABGR) || + (expectingGL12 && haveGL12))) { + revertPixelFormatAndType(); + } + } + return pixelFormat; } - return pixelType; - } - /** Returns the intended OpenGL internal format of the texture data. */ - public int getInternalFormat() { return internalFormat; } - /** Returns whether mipmaps should be generated for the texture data. */ - public boolean getMipmap() { return mipmap; } - /** Indicates whether the texture data is in compressed form. */ - public boolean isDataCompressed() { return dataIsCompressed; } - /** Indicates whether the texture coordinates must be flipped - vertically for proper display. */ - public boolean getMustFlipVertically() { return mustFlipVertically; } - /** Returns the texture data, or null if it is specified as a set of mipmaps. */ - public Buffer getBuffer() { - if (imageForLazyCustomConversion != null) { - if (!((expectingEXTABGR && haveEXTABGR) || - (expectingGL12 && haveGL12))) { - revertPixelFormatAndType(); - // Must present the illusion to the end user that we are simply - // wrapping the input BufferedImage - createFromCustom(imageForLazyCustomConversion); - } + /** Returns the intended OpenGL pixel type of the texture data. */ + public int getPixelType() { + if (imageForLazyCustomConversion != null) { + if (!((expectingEXTABGR && haveEXTABGR) || + (expectingGL12 && haveGL12))) { + revertPixelFormatAndType(); + } + } + return pixelType; } - return buffer; - } - /** Returns all mipmap levels for the texture data, or null if it is - specified as a single image. */ - public Buffer[] getMipmapData() { return mipmapData; } - /** Returns the required byte alignment for the texture data. */ - public int getAlignment() { return alignment; } - /** Returns the row length needed for correct GL_UNPACK_ROW_LENGTH - specification. This is currently only supported for - non-mipmapped, non-compressed textures. */ - public int getRowLength() { return rowLength; } - /** Sets the width in pixels of the texture data. */ - public void setWidth(int width) { this.width = width; } - /** Sets the height in pixels of the texture data. */ - public void setHeight(int height) { this.height = height; } - /** Sets the border in pixels of the texture data. */ - public void setBorder(int border) { this.border = border; } - /** Sets the intended OpenGL pixel format of the texture data. */ - public void setPixelFormat(int pixelFormat) { this.pixelFormat = pixelFormat; } - /** Sets the intended OpenGL pixel type of the texture data. */ - public void setPixelType(int pixelType) { this.pixelType = pixelType; } - /** Sets the intended OpenGL internal format of the texture data. */ - public void setInternalFormat(int internalFormat) { this.internalFormat = internalFormat; } - /** Sets whether mipmaps should be generated for the texture data. */ - public void setMipmap(boolean mipmap) { this.mipmap = mipmap; } - /** Sets whether the texture data is in compressed form. */ - public void setIsDataCompressed(boolean compressed) { this.dataIsCompressed = compressed; } - /** Sets whether the texture coordinates must be flipped vertically - for proper display. */ - public void setMustFlipVertically(boolean mustFlipVertically) { this.mustFlipVertically = mustFlipVertically; } - /** Sets the texture data. */ - public void setBuffer(Buffer buffer) { - this.buffer = buffer; - estimatedMemorySize = estimatedMemorySize(buffer); - } - /** Sets the required byte alignment for the texture data. */ - public void setAlignment(int alignment) { this.alignment = alignment; } - /** Sets the row length needed for correct GL_UNPACK_ROW_LENGTH - specification. This is currently only supported for - non-mipmapped, non-compressed textures. */ - public void setRowLength(int rowLength) { this.rowLength = rowLength; } - /** Indicates to this TextureData whether the GL_EXT_abgr extension - is available. Used for optimization along some code paths to - avoid data copies. */ - public void setHaveEXTABGR(boolean haveEXTABGR) { - this.haveEXTABGR = haveEXTABGR; - } - /** Indicates to this TextureData whether OpenGL version 1.2 is - available. If not, falls back to relatively inefficient code - paths for several input data types (several kinds of packed - pixel formats, in particular). */ - public void setHaveGL12(boolean haveGL12) { - this.haveGL12 = haveGL12; - } - - /** Returns an estimate of the amount of memory in bytes this - TextureData will consume once uploaded to the graphics card. It - should only be treated as an estimate; most applications should - not need to query this but instead let the OpenGL implementation - page textures in and out as necessary. */ - public int getEstimatedMemorySize() { - return estimatedMemorySize; - } - - /** Flushes resources associated with this TextureData by calling - Flusher.flush(). */ - public void flush() { - if (flusher != null) { - flusher.flush(); - flusher = null; + /** Returns the texture data, or null if it is specified as a set of mipmaps. */ + public Buffer getBuffer() { + if (imageForLazyCustomConversion != null) { + if (!((expectingEXTABGR && haveEXTABGR) || + (expectingGL12 && haveGL12))) { + revertPixelFormatAndType(); + // Must present the illusion to the end user that we are simply + // wrapping the input BufferedImage + createFromCustom(imageForLazyCustomConversion); + } + } + return buffer; } - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - private void createNIOBufferFromImage(BufferedImage image) { - buffer = wrapImageDataBuffer(image); - } + private void createFromImage(BufferedImage image) { + pixelType = 0; // Determine from image + mustFlipVertically = true; + + width = image.getWidth(); + height = image.getHeight(); + + int scanlineStride; + SampleModel sm = image.getRaster().getSampleModel(); + if (sm instanceof SinglePixelPackedSampleModel) { + scanlineStride = + ((SinglePixelPackedSampleModel)sm).getScanlineStride(); + } else if (sm instanceof MultiPixelPackedSampleModel) { + scanlineStride = + ((MultiPixelPackedSampleModel)sm).getScanlineStride(); + } else if (sm instanceof ComponentSampleModel) { + scanlineStride = + ((ComponentSampleModel)sm).getScanlineStride(); + } else { + // This will only happen for TYPE_CUSTOM anyway + setupLazyCustomConversion(image); + return; + } - private Buffer wrapImageDataBuffer(BufferedImage image) { - // - // Note: Grabbing the DataBuffer will defeat Java2D's image - // management mechanism (as of JDK 5/6, at least). This shouldn't - // be a problem for most JOGL apps, but those that try to upload - // the image into an OpenGL texture and then use the same image in - // Java2D rendering might find the 2D rendering is not as fast as - // it could be. - // + if (GLProfile.isGL2()) { + switch (image.getType()) { + case BufferedImage.TYPE_INT_RGB: + pixelFormat = GL2.GL_BGRA; + pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; + rowLength = scanlineStride; + alignment = 4; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_INT_ARGB_PRE: + pixelFormat = GL2.GL_BGRA; + pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; + rowLength = scanlineStride; + alignment = 4; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_INT_BGR: + pixelFormat = GL.GL_RGBA; + pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; + rowLength = scanlineStride; + alignment = 4; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_3BYTE_BGR: + { + // we can pass the image data directly to OpenGL only if + // we have an integral number of pixels in each scanline + if ((scanlineStride % 3) == 0) { + pixelFormat = GL2.GL_BGR; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 3; + alignment = 1; + } else { + setupLazyCustomConversion(image); + return; + } + } + break; + case BufferedImage.TYPE_4BYTE_ABGR_PRE: + { + // we can pass the image data directly to OpenGL only if + // we have an integral number of pixels in each scanline + // and only if the GL_EXT_abgr extension is present + + // NOTE: disabling this code path for now as it appears it's + // buggy at least on some NVidia drivers and doesn't perform + // the necessary byte swapping (FIXME: needs more + // investigation) + if ((scanlineStride % 4) == 0 && false) { + pixelFormat = GL2.GL_ABGR_EXT; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 4; + alignment = 4; + + // Store a reference to the original image for later in + // case it turns out that we don't have GL_EXT_abgr at the + // time we're going to do the texture upload to OpenGL + setupLazyCustomConversion(image); + expectingEXTABGR = true; + break; + } else { + setupLazyCustomConversion(image); + return; + } + } + case BufferedImage.TYPE_USHORT_565_RGB: + pixelFormat = GL.GL_RGB; + pixelType = GL.GL_UNSIGNED_SHORT_5_6_5; + rowLength = scanlineStride; + alignment = 2; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_USHORT_555_RGB: + pixelFormat = GL2.GL_BGRA; + pixelType = GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV; + rowLength = scanlineStride; + alignment = 2; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_BYTE_GRAY: + pixelFormat = GL.GL_LUMINANCE; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride; + alignment = 1; + break; + case BufferedImage.TYPE_USHORT_GRAY: + pixelFormat = GL.GL_LUMINANCE; + pixelType = GL.GL_UNSIGNED_SHORT; + rowLength = scanlineStride; + alignment = 2; + break; + // Note: TYPE_INT_ARGB and TYPE_4BYTE_ABGR images go down the + // custom code path to satisfy the invariant that images with an + // alpha channel always go down with premultiplied alpha. + case BufferedImage.TYPE_INT_ARGB: + case BufferedImage.TYPE_4BYTE_ABGR: + case BufferedImage.TYPE_BYTE_BINARY: + case BufferedImage.TYPE_BYTE_INDEXED: + case BufferedImage.TYPE_CUSTOM: + default: + ColorModel cm = image.getColorModel(); + if (cm.equals(rgbColorModel)) { + pixelFormat = GL.GL_RGB; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 3; + alignment = 1; + } else if (cm.equals(rgbaColorModel)) { + pixelFormat = GL.GL_RGBA; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 4; // FIXME: correct? + alignment = 4; + } else { + setupLazyCustomConversion(image); + return; + } + break; + } + } else { + switch (image.getType()) { + case BufferedImage.TYPE_INT_RGB: + pixelFormat = GL.GL_RGB; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride; + alignment = 3; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_INT_ARGB_PRE: + throw new GLException("INT_ARGB_PRE n.a."); + case BufferedImage.TYPE_INT_BGR: + throw new GLException("INT_BGR n.a."); + case BufferedImage.TYPE_3BYTE_BGR: + throw new GLException("INT_BGR n.a."); + case BufferedImage.TYPE_4BYTE_ABGR_PRE: + throw new GLException("INT_BGR n.a."); + case BufferedImage.TYPE_USHORT_565_RGB: + pixelFormat = GL.GL_RGB; + pixelType = GL.GL_UNSIGNED_SHORT_5_6_5; + rowLength = scanlineStride; + alignment = 2; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_USHORT_555_RGB: + pixelFormat = GL.GL_RGBA; + pixelType = GL.GL_UNSIGNED_SHORT_5_5_5_1; + rowLength = scanlineStride; + alignment = 2; + expectingGL12 = true; + setupLazyCustomConversion(image); + break; + case BufferedImage.TYPE_BYTE_GRAY: + pixelFormat = GL.GL_LUMINANCE; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride; + alignment = 1; + break; + case BufferedImage.TYPE_USHORT_GRAY: + throw new GLException("USHORT_GRAY n.a."); + // Note: TYPE_INT_ARGB and TYPE_4BYTE_ABGR images go down the + // custom code path to satisfy the invariant that images with an + // alpha channel always go down with premultiplied alpha. + case BufferedImage.TYPE_INT_ARGB: + case BufferedImage.TYPE_4BYTE_ABGR: + case BufferedImage.TYPE_BYTE_BINARY: + case BufferedImage.TYPE_BYTE_INDEXED: + case BufferedImage.TYPE_CUSTOM: + default: + ColorModel cm = image.getColorModel(); + if (cm.equals(rgbColorModel)) { + pixelFormat = GL.GL_RGB; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 3; + alignment = 1; + } else if (cm.equals(rgbaColorModel)) { + pixelFormat = GL.GL_RGBA; + pixelType = GL.GL_UNSIGNED_BYTE; + rowLength = scanlineStride / 4; // FIXME: correct? + alignment = 4; + } else { + setupLazyCustomConversion(image); + return; + } + break; + } + } - DataBuffer data = image.getRaster().getDataBuffer(); - if (data instanceof DataBufferByte) { - return ByteBuffer.wrap(((DataBufferByte) data).getData()); - } else if (data instanceof DataBufferDouble) { - throw new RuntimeException("DataBufferDouble rasters not supported by OpenGL"); - } else if (data instanceof DataBufferFloat) { - return FloatBuffer.wrap(((DataBufferFloat) data).getData()); - } else if (data instanceof DataBufferInt) { - return IntBuffer.wrap(((DataBufferInt) data).getData()); - } else if (data instanceof DataBufferShort) { - return ShortBuffer.wrap(((DataBufferShort) data).getData()); - } else if (data instanceof DataBufferUShort) { - return ShortBuffer.wrap(((DataBufferUShort) data).getData()); - } else { - throw new RuntimeException("Unexpected DataBuffer type?"); + createNIOBufferFromImage(image); } - } - private void createFromImage(BufferedImage image) { - pixelType = 0; // Determine from image - mustFlipVertically = true; - - width = image.getWidth(); - height = image.getHeight(); - - int scanlineStride; - SampleModel sm = image.getRaster().getSampleModel(); - if (sm instanceof SinglePixelPackedSampleModel) { - scanlineStride = - ((SinglePixelPackedSampleModel)sm).getScanlineStride(); - } else if (sm instanceof MultiPixelPackedSampleModel) { - scanlineStride = - ((MultiPixelPackedSampleModel)sm).getScanlineStride(); - } else if (sm instanceof ComponentSampleModel) { - scanlineStride = - ((ComponentSampleModel)sm).getScanlineStride(); - } else { - // This will only happen for TYPE_CUSTOM anyway - setupLazyCustomConversion(image); - return; + private void setupLazyCustomConversion(BufferedImage image) { + imageForLazyCustomConversion = image; + boolean hasAlpha = image.getColorModel().hasAlpha(); + if (pixelFormat == 0) { + pixelFormat = hasAlpha ? GL.GL_RGBA : GL.GL_RGB; + } + alignment = 1; // FIXME: do we need better? + rowLength = width; // FIXME: correct in all cases? + + // Allow previously-selected pixelType (if any) to override that + // we can infer from the DataBuffer + DataBuffer data = image.getRaster().getDataBuffer(); + if (data instanceof DataBufferByte || isPackedInt(image)) { + // Don't use GL_UNSIGNED_INT for BufferedImage packed int images + if (pixelType == 0) pixelType = GL.GL_UNSIGNED_BYTE; + } else if (data instanceof DataBufferDouble) { + throw new RuntimeException("DataBufferDouble rasters not supported by OpenGL"); + } else if (data instanceof DataBufferFloat) { + if (pixelType == 0) pixelType = GL.GL_FLOAT; + } else if (data instanceof DataBufferInt) { + // FIXME: should we support signed ints? + if (pixelType == 0) pixelType = GL2.GL_UNSIGNED_INT; + } else if (data instanceof DataBufferShort) { + if (pixelType == 0) pixelType = GL.GL_SHORT; + } else if (data instanceof DataBufferUShort) { + if (pixelType == 0) pixelType = GL.GL_UNSIGNED_SHORT; + } else { + throw new RuntimeException("Unexpected DataBuffer type?"); + } } - if(GLProfile.isGL2()) { - switch (image.getType()) { - case BufferedImage.TYPE_INT_RGB: - pixelFormat = GL2.GL_BGRA; - pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; - rowLength = scanlineStride; - alignment = 4; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_INT_ARGB_PRE: - pixelFormat = GL2.GL_BGRA; - pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; - rowLength = scanlineStride; - alignment = 4; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_INT_BGR: - pixelFormat = GL.GL_RGBA; - pixelType = GL2.GL_UNSIGNED_INT_8_8_8_8_REV; - rowLength = scanlineStride; - alignment = 4; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_3BYTE_BGR: - { - // we can pass the image data directly to OpenGL only if - // we have an integral number of pixels in each scanline - if ((scanlineStride % 3) == 0) { - pixelFormat = GL2.GL_BGR; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 3; - alignment = 1; - } else { - setupLazyCustomConversion(image); - return; - } - } - break; - case BufferedImage.TYPE_4BYTE_ABGR_PRE: - { - // we can pass the image data directly to OpenGL only if - // we have an integral number of pixels in each scanline - // and only if the GL_EXT_abgr extension is present - - // NOTE: disabling this code path for now as it appears it's - // buggy at least on some NVidia drivers and doesn't perform - // the necessary byte swapping (FIXME: needs more - // investigation) - if ((scanlineStride % 4) == 0 && false) { - pixelFormat = GL2.GL_ABGR_EXT; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 4; - alignment = 4; - - // Store a reference to the original image for later in - // case it turns out that we don't have GL_EXT_abgr at the - // time we're going to do the texture upload to OpenGL - setupLazyCustomConversion(image); - expectingEXTABGR = true; - break; - } else { - setupLazyCustomConversion(image); - return; - } - } - case BufferedImage.TYPE_USHORT_565_RGB: - pixelFormat = GL.GL_RGB; - pixelType = GL.GL_UNSIGNED_SHORT_5_6_5; - rowLength = scanlineStride; - alignment = 2; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_USHORT_555_RGB: - pixelFormat = GL2.GL_BGRA; - pixelType = GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV; - rowLength = scanlineStride; - alignment = 2; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_BYTE_GRAY: - pixelFormat = GL.GL_LUMINANCE; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride; - alignment = 1; - break; - case BufferedImage.TYPE_USHORT_GRAY: - pixelFormat = GL.GL_LUMINANCE; - pixelType = GL.GL_UNSIGNED_SHORT; - rowLength = scanlineStride; - alignment = 2; - break; - // Note: TYPE_INT_ARGB and TYPE_4BYTE_ABGR images go down the - // custom code path to satisfy the invariant that images with an - // alpha channel always go down with premultiplied alpha. - case BufferedImage.TYPE_INT_ARGB: - case BufferedImage.TYPE_4BYTE_ABGR: - case BufferedImage.TYPE_BYTE_BINARY: - case BufferedImage.TYPE_BYTE_INDEXED: - case BufferedImage.TYPE_CUSTOM: - default: - ColorModel cm = image.getColorModel(); - if (cm.equals(rgbColorModel)) { - pixelFormat = GL.GL_RGB; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 3; - alignment = 1; - } else if (cm.equals(rgbaColorModel)) { - pixelFormat = GL.GL_RGBA; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 4; // FIXME: correct? - alignment = 4; - } else { - setupLazyCustomConversion(image); - return; - } - break; + private void createFromCustom(BufferedImage image) { + int width = image.getWidth(); + int height = image.getHeight(); + + // create a temporary image that is compatible with OpenGL + boolean hasAlpha = image.getColorModel().hasAlpha(); + ColorModel cm = null; + int dataBufferType = image.getRaster().getDataBuffer().getDataType(); + // Don't use integer components for packed int images + if (isPackedInt(image)) { + dataBufferType = DataBuffer.TYPE_BYTE; } - } else { - switch (image.getType()) { - case BufferedImage.TYPE_INT_RGB: - pixelFormat = GL.GL_RGB; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride; - alignment = 3; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_INT_ARGB_PRE: - throw new GLException("INT_ARGB_PRE n.a."); - case BufferedImage.TYPE_INT_BGR: - throw new GLException("INT_BGR n.a."); - case BufferedImage.TYPE_3BYTE_BGR: - throw new GLException("INT_BGR n.a."); - case BufferedImage.TYPE_4BYTE_ABGR_PRE: - throw new GLException("INT_BGR n.a."); - case BufferedImage.TYPE_USHORT_565_RGB: - pixelFormat = GL.GL_RGB; - pixelType = GL.GL_UNSIGNED_SHORT_5_6_5; - rowLength = scanlineStride; - alignment = 2; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_USHORT_555_RGB: - pixelFormat = GL.GL_RGBA; - pixelType = GL.GL_UNSIGNED_SHORT_5_5_5_1; - rowLength = scanlineStride; - alignment = 2; - expectingGL12 = true; - setupLazyCustomConversion(image); - break; - case BufferedImage.TYPE_BYTE_GRAY: - pixelFormat = GL.GL_LUMINANCE; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride; - alignment = 1; - break; - case BufferedImage.TYPE_USHORT_GRAY: - throw new GLException("USHORT_GRAY n.a."); - // Note: TYPE_INT_ARGB and TYPE_4BYTE_ABGR images go down the - // custom code path to satisfy the invariant that images with an - // alpha channel always go down with premultiplied alpha. - case BufferedImage.TYPE_INT_ARGB: - case BufferedImage.TYPE_4BYTE_ABGR: - case BufferedImage.TYPE_BYTE_BINARY: - case BufferedImage.TYPE_BYTE_INDEXED: - case BufferedImage.TYPE_CUSTOM: - default: - ColorModel cm = image.getColorModel(); - if (cm.equals(rgbColorModel)) { - pixelFormat = GL.GL_RGB; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 3; - alignment = 1; - } else if (cm.equals(rgbaColorModel)) { - pixelFormat = GL.GL_RGBA; - pixelType = GL.GL_UNSIGNED_BYTE; - rowLength = scanlineStride / 4; // FIXME: correct? - alignment = 4; + if (dataBufferType == DataBuffer.TYPE_BYTE) { + cm = hasAlpha ? rgbaColorModel : rgbColorModel; + } else { + if (hasAlpha) { + cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + null, true, true, + Transparency.TRANSLUCENT, + dataBufferType); } else { - setupLazyCustomConversion(image); - return; + cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + null, false, false, + Transparency.OPAQUE, + dataBufferType); } - break; } - } - createNIOBufferFromImage(image); - } + boolean premult = cm.isAlphaPremultiplied(); + WritableRaster raster = + cm.createCompatibleWritableRaster(width, height); + BufferedImage texImage = new BufferedImage(cm, raster, premult, null); - private void setupLazyCustomConversion(BufferedImage image) { - imageForLazyCustomConversion = image; - boolean hasAlpha = image.getColorModel().hasAlpha(); - if (pixelFormat == 0) { - pixelFormat = hasAlpha ? GL.GL_RGBA : GL.GL_RGB; - } - alignment = 1; // FIXME: do we need better? - rowLength = width; // FIXME: correct in all cases? + // copy the source image into the temporary image + Graphics2D g = texImage.createGraphics(); + g.setComposite(AlphaComposite.Src); + g.drawImage(image, 0, 0, null); + g.dispose(); - // Allow previously-selected pixelType (if any) to override that - // we can infer from the DataBuffer - DataBuffer data = image.getRaster().getDataBuffer(); - if (data instanceof DataBufferByte || isPackedInt(image)) { - // Don't use GL_UNSIGNED_INT for BufferedImage packed int images - if (pixelType == 0) pixelType = GL.GL_UNSIGNED_BYTE; - } else if (data instanceof DataBufferDouble) { - throw new RuntimeException("DataBufferDouble rasters not supported by OpenGL"); - } else if (data instanceof DataBufferFloat) { - if (pixelType == 0) pixelType = GL.GL_FLOAT; - } else if ((data instanceof DataBufferInt) && GLProfile.isGL2ES2()) { - // FIXME: should we support signed ints? - if (pixelType == 0) pixelType = GL2.GL_UNSIGNED_INT; - } else if (data instanceof DataBufferShort) { - if (pixelType == 0) pixelType = GL.GL_SHORT; - } else if (data instanceof DataBufferUShort) { - if (pixelType == 0) pixelType = GL.GL_UNSIGNED_SHORT; - } else { - throw new RuntimeException("Unexpected DataBuffer type?"); + // Wrap the buffer from the temporary image + createNIOBufferFromImage(texImage); } - } - - private void createFromCustom(BufferedImage image) { - int width = image.getWidth(); - int height = image.getHeight(); - // create a temporary image that is compatible with OpenGL - boolean hasAlpha = image.getColorModel().hasAlpha(); - ColorModel cm = null; - int dataBufferType = image.getRaster().getDataBuffer().getDataType(); - // Don't use integer components for packed int images - if (isPackedInt(image)) { - dataBufferType = DataBuffer.TYPE_BYTE; - } - if (dataBufferType == DataBuffer.TYPE_BYTE) { - cm = hasAlpha ? rgbaColorModel : rgbColorModel; - } else { - if (hasAlpha) { - cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), - null, true, true, - Transparency.TRANSLUCENT, - dataBufferType); - } else { - cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), - null, false, false, - Transparency.OPAQUE, - dataBufferType); - } + private boolean isPackedInt(BufferedImage image) { + int imgType = image.getType(); + return (imgType == BufferedImage.TYPE_INT_RGB || + imgType == BufferedImage.TYPE_INT_BGR || + imgType == BufferedImage.TYPE_INT_ARGB || + imgType == BufferedImage.TYPE_INT_ARGB_PRE); } - boolean premult = cm.isAlphaPremultiplied(); - WritableRaster raster = - cm.createCompatibleWritableRaster(width, height); - BufferedImage texImage = new BufferedImage(cm, raster, premult, null); - - // copy the source image into the temporary image - Graphics2D g = texImage.createGraphics(); - g.setComposite(AlphaComposite.Src); - g.drawImage(image, 0, 0, null); - g.dispose(); - - // Wrap the buffer from the temporary image - createNIOBufferFromImage(texImage); - } - - private boolean isPackedInt(BufferedImage image) { - int imgType = image.getType(); - return (imgType == BufferedImage.TYPE_INT_RGB || - imgType == BufferedImage.TYPE_INT_BGR || - imgType == BufferedImage.TYPE_INT_ARGB || - imgType == BufferedImage.TYPE_INT_ARGB_PRE); - } - - private void revertPixelFormatAndType() { - // Knowing we don't have e.g. OpenGL 1.2 functionality available, - // and knowing we're in the process of doing the fallback code - // path, re-infer a vanilla pixel format and type compatible with - // OpenGL 1.1 - pixelFormat = 0; - pixelType = 0; - setupLazyCustomConversion(imageForLazyCustomConversion); - } + private void revertPixelFormatAndType() { + // Knowing we don't have e.g. OpenGL 1.2 functionality available, + // and knowing we're in the process of doing the fallback code + // path, re-infer a vanilla pixel format and type compatible with + // OpenGL 1.1 + pixelFormat = 0; + pixelType = 0; + setupLazyCustomConversion(imageForLazyCustomConversion); + } - private int estimatedMemorySize(Buffer buffer) { - if (buffer == null) { - return 0; + private void createNIOBufferFromImage(BufferedImage image) { + buffer = wrapImageDataBuffer(image); } - int capacity = buffer.capacity(); - if (buffer instanceof ByteBuffer) { - return capacity; - } else if (buffer instanceof IntBuffer) { - return capacity * BufferUtil.SIZEOF_INT; - } else if (buffer instanceof FloatBuffer) { - return capacity * BufferUtil.SIZEOF_FLOAT; - } else if (buffer instanceof ShortBuffer) { - return capacity * BufferUtil.SIZEOF_SHORT; - } else if (buffer instanceof LongBuffer) { - return capacity * BufferUtil.SIZEOF_LONG; - } else if (buffer instanceof DoubleBuffer) { - return capacity * BufferUtil.SIZEOF_DOUBLE; + + private Buffer wrapImageDataBuffer(BufferedImage image) { + // + // Note: Grabbing the DataBuffer will defeat Java2D's image + // management mechanism (as of JDK 5/6, at least). This shouldn't + // be a problem for most JOGL apps, but those that try to upload + // the image into an OpenGL texture and then use the same image in + // Java2D rendering might find the 2D rendering is not as fast as + // it could be. + // + + DataBuffer data = image.getRaster().getDataBuffer(); + if (data instanceof DataBufferByte) { + return ByteBuffer.wrap(((DataBufferByte) data).getData()); + } else if (data instanceof DataBufferDouble) { + throw new RuntimeException("DataBufferDouble rasters not supported by OpenGL"); + } else if (data instanceof DataBufferFloat) { + return FloatBuffer.wrap(((DataBufferFloat) data).getData()); + } else if (data instanceof DataBufferInt) { + return IntBuffer.wrap(((DataBufferInt) data).getData()); + } else if (data instanceof DataBufferShort) { + return ShortBuffer.wrap(((DataBufferShort) data).getData()); + } else if (data instanceof DataBufferUShort) { + return ShortBuffer.wrap(((DataBufferUShort) data).getData()); + } else { + throw new RuntimeException("Unexpected DataBuffer type?"); + } } - throw new RuntimeException("Unexpected buffer type " + - buffer.getClass().getName()); - } } |