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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.renderer.lwjgl;
import com.jme3.renderer.RendererException;
import com.jme3.texture.Image;
import com.jme3.texture.Image.Format;
import java.nio.ByteBuffer;
import static org.lwjgl.opengl.ATITextureCompression3DC.GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI;
import static org.lwjgl.opengl.EXTTextureCompressionLATC.GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
import static org.lwjgl.opengl.EXTTextureCompressionLATC.GL_COMPRESSED_LUMINANCE_LATC1_EXT;
import static org.lwjgl.opengl.EXTTextureCompressionS3TC.*;
import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.opengl.GL12.*;
import static org.lwjgl.opengl.GL13.glCompressedTexImage2D;
import static org.lwjgl.opengl.GL13.glCompressedTexImage3D;
import static org.lwjgl.opengl.GL14.*;
import org.lwjgl.opengl.*;
public class TextureUtil {
private static boolean isFormatSupported(Format fmt, ContextCapabilities caps){
switch (fmt){
case ARGB4444:
return false;
case BGR8:
return caps.OpenGL12 || caps.GL_EXT_bgra;
case DXT1:
case DXT1A:
case DXT3:
case DXT5:
return caps.GL_EXT_texture_compression_s3tc;
case Depth:
case Depth16:
case Depth24:
case Depth32:
return caps.OpenGL14 || caps.GL_ARB_depth_texture;
case Depth32F:
case Luminance16F:
case Luminance16FAlpha16F:
case Luminance32F:
case RGBA16F:
case RGBA32F:
return caps.OpenGL30 || caps.GL_ARB_texture_float;
case LATC:
case LTC:
return caps.GL_EXT_texture_compression_latc;
case RGB9E5:
case RGB16F_to_RGB9E5:
return caps.OpenGL30 || caps.GL_EXT_texture_shared_exponent;
case RGB111110F:
case RGB16F_to_RGB111110F:
return caps.OpenGL30 || caps.GL_EXT_packed_float;
default:
return true;
}
}
public static void checkFormatSupported(Format fmt) {
if (!isFormatSupported(fmt, GLContext.getCapabilities())) {
throw new RendererException("Image format '" + fmt + "' is unsupported by the video hardware.");
}
}
public static int convertTextureFormat(Format fmt){
switch (fmt){
case Alpha16:
return GL_ALPHA16;
case Alpha8:
return GL_ALPHA8;
case DXT1:
return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
case DXT1A:
return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
case DXT3:
return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
case DXT5:
return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
case LATC:
return GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
case Depth:
return GL_DEPTH_COMPONENT;
case Depth16:
return GL_DEPTH_COMPONENT16;
case Depth24:
return GL_DEPTH_COMPONENT24;
case Depth32:
return GL_DEPTH_COMPONENT32;
case Depth32F:
return ARBDepthBufferFloat.GL_DEPTH_COMPONENT32F;
case Luminance8Alpha8:
return GL_LUMINANCE8_ALPHA8;
case Luminance16Alpha16:
return GL_LUMINANCE16_ALPHA16;
case Luminance16FAlpha16F:
return ARBTextureFloat.GL_LUMINANCE_ALPHA16F_ARB;
case Intensity8:
return GL_INTENSITY8;
case Intensity16:
return GL_INTENSITY16;
case Luminance8:
return GL_LUMINANCE8;
case Luminance16:
return GL_LUMINANCE16;
case Luminance16F:
return ARBTextureFloat.GL_LUMINANCE16F_ARB;
case Luminance32F:
return ARBTextureFloat.GL_LUMINANCE32F_ARB;
case RGB10:
return GL_RGB10;
case RGB16:
return GL_RGB16;
case RGB111110F:
return EXTPackedFloat.GL_R11F_G11F_B10F_EXT;
case RGB9E5:
return EXTTextureSharedExponent.GL_RGB9_E5_EXT;
case RGB16F:
return ARBTextureFloat.GL_RGB16F_ARB;
case RGBA16F:
return ARBTextureFloat.GL_RGBA16F_ARB;
case RGB32F:
return ARBTextureFloat.GL_RGB32F_ARB;
case RGB5A1:
return GL_RGB5_A1;
case BGR8:
return GL_RGB8;
case RGB8:
return GL_RGB8;
case RGBA16:
return GL_RGBA16;
case RGBA8:
return GL_RGBA8;
default:
throw new UnsupportedOperationException("Unrecognized format: "+fmt);
}
}
public static void uploadTexture(Image img,
int target,
int index,
int border,
boolean tdc){
Image.Format fmt = img.getFormat();
checkFormatSupported(fmt);
ByteBuffer data;
if (index >= 0 && img.getData() != null && img.getData().size() > 0){
data = img.getData(index);
}else{
data = null;
}
int width = img.getWidth();
int height = img.getHeight();
int depth = img.getDepth();
boolean compress = false;
int internalFormat = -1;
int format = -1;
int dataType = -1;
switch (fmt){
case Alpha16:
internalFormat = GL_ALPHA16;
format = GL_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case Alpha8:
internalFormat = GL_ALPHA8;
format = GL_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case DXT1:
compress = true;
internalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
format = GL_RGB;
dataType = GL_UNSIGNED_BYTE;
break;
case DXT1A:
compress = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case DXT3:
compress = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case DXT5:
compress = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case LATC:
compress = true;
if (tdc){
internalFormat = GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI;
}else{
internalFormat = GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
}
format = GL_LUMINANCE_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case LTC:
compress = true;
internalFormat = GL_COMPRESSED_LUMINANCE_LATC1_EXT;
format = GL_LUMINANCE_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case Depth:
internalFormat = GL_DEPTH_COMPONENT;
format = GL_DEPTH_COMPONENT;
dataType = GL_UNSIGNED_BYTE;
break;
case Depth16:
internalFormat = GL_DEPTH_COMPONENT16;
format = GL_DEPTH_COMPONENT;
dataType = GL_UNSIGNED_BYTE;
break;
case Depth24:
internalFormat = GL_DEPTH_COMPONENT24;
format = GL_DEPTH_COMPONENT;
dataType = GL_UNSIGNED_BYTE;
break;
case Depth32:
internalFormat = GL_DEPTH_COMPONENT32;
format = GL_DEPTH_COMPONENT;
dataType = GL_UNSIGNED_BYTE;
break;
case Depth32F:
internalFormat = NVDepthBufferFloat.GL_DEPTH_COMPONENT32F_NV;
format = GL_DEPTH_COMPONENT;
dataType = GL_FLOAT;
break;
case Luminance16FAlpha16F:
internalFormat = ARBTextureFloat.GL_LUMINANCE_ALPHA16F_ARB;
format = GL_LUMINANCE_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case Intensity8:
internalFormat = GL_INTENSITY8;
format = GL_INTENSITY;
dataType = GL_UNSIGNED_BYTE;
break;
case Intensity16:
internalFormat = GL_INTENSITY16;
format = GL_INTENSITY;
dataType = GL_UNSIGNED_BYTE;
break;
case Luminance8:
internalFormat = GL_LUMINANCE8;
format = GL_LUMINANCE;
dataType = GL_UNSIGNED_BYTE;
break;
case Luminance8Alpha8:
internalFormat = GL_LUMINANCE8_ALPHA8;
format = GL_LUMINANCE_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case Luminance16Alpha16:
internalFormat = GL_LUMINANCE16_ALPHA16;
format = GL_LUMINANCE_ALPHA;
dataType = GL_UNSIGNED_BYTE;
break;
case Luminance16:
internalFormat = GL_LUMINANCE16;
format = GL_LUMINANCE;
dataType = GL_UNSIGNED_BYTE;
break;
case Luminance16F:
internalFormat = ARBTextureFloat.GL_LUMINANCE16F_ARB;
format = GL_LUMINANCE;
dataType = ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
break;
case Luminance32F:
internalFormat = ARBTextureFloat.GL_LUMINANCE32F_ARB;
format = GL_LUMINANCE;
dataType = GL_FLOAT;
break;
case RGB10:
internalFormat = GL_RGB10;
format = GL_RGB;
dataType = GL_UNSIGNED_BYTE;
break;
case RGB16:
internalFormat = GL_RGB16;
format = GL_RGB;
dataType = GL_UNSIGNED_BYTE;
break;
case RGB111110F:
internalFormat = EXTPackedFloat.GL_R11F_G11F_B10F_EXT;
format = GL_RGB;
dataType = EXTPackedFloat.GL_UNSIGNED_INT_10F_11F_11F_REV_EXT;
break;
case RGB16F_to_RGB111110F:
internalFormat = EXTPackedFloat.GL_R11F_G11F_B10F_EXT;
format = GL_RGB;
dataType = ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
break;
case RGB16F_to_RGB9E5:
internalFormat = EXTTextureSharedExponent.GL_RGB9_E5_EXT;
format = GL_RGB;
dataType = ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
break;
case RGB9E5:
internalFormat = EXTTextureSharedExponent.GL_RGB9_E5_EXT;
format = GL_RGB;
dataType = EXTTextureSharedExponent.GL_UNSIGNED_INT_5_9_9_9_REV_EXT;
break;
case RGB16F:
internalFormat = ARBTextureFloat.GL_RGB16F_ARB;
format = GL_RGB;
dataType = ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
break;
case RGBA16F:
internalFormat = ARBTextureFloat.GL_RGBA16F_ARB;
format = GL_RGBA;
dataType = ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
break;
case RGB32F:
internalFormat = ARBTextureFloat.GL_RGB32F_ARB;
format = GL_RGB;
dataType = GL_FLOAT;
break;
case RGBA32F:
internalFormat = ARBTextureFloat.GL_RGBA32F_ARB;
format = GL_RGBA;
dataType = GL_FLOAT;
break;
case RGB5A1:
internalFormat = GL_RGB5_A1;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case RGB8:
internalFormat = GL_RGB8;
format = GL_RGB;
dataType = GL_UNSIGNED_BYTE;
break;
case BGR8:
internalFormat = GL_RGB8;
format = GL_BGR;
dataType = GL_UNSIGNED_BYTE;
break;
case RGBA16:
internalFormat = GL_RGBA16;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case RGBA8:
internalFormat = GL_RGBA8;
format = GL_RGBA;
dataType = GL_UNSIGNED_BYTE;
break;
case ABGR8:
internalFormat = GL_RGBA8;
format = EXTAbgr.GL_ABGR_EXT;
dataType = GL_UNSIGNED_BYTE;
break;
default:
throw new UnsupportedOperationException("Unrecognized format: "+fmt);
}
if (data != null)
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
int[] mipSizes = img.getMipMapSizes();
int pos = 0;
// TODO: Remove unneccessary allocation
if (mipSizes == null){
if (data != null)
mipSizes = new int[]{ data.capacity() };
else
mipSizes = new int[]{ width * height * fmt.getBitsPerPixel() / 8 };
}
boolean subtex = false;
int samples = img.getMultiSamples();
for (int i = 0; i < mipSizes.length; i++){
int mipWidth = Math.max(1, width >> i);
int mipHeight = Math.max(1, height >> i);
int mipDepth = Math.max(1, depth >> i);
if (data != null){
data.position(pos);
data.limit(pos + mipSizes[i]);
}
if (compress && data != null){
if (target == GL_TEXTURE_3D){
glCompressedTexImage3D(target,
i,
internalFormat,
mipWidth,
mipHeight,
mipDepth,
border,
data);
}else{
//all other targets use 2D: array, cubemap, 2d
glCompressedTexImage2D(target,
i,
internalFormat,
mipWidth,
mipHeight,
border,
data);
}
}else{
if (target == GL_TEXTURE_3D){
glTexImage3D(target,
i,
internalFormat,
mipWidth,
mipHeight,
mipDepth,
border,
format,
dataType,
data);
}else if (target == EXTTextureArray.GL_TEXTURE_2D_ARRAY_EXT){
// prepare data for 2D array
// or upload slice
if (index == -1){
glTexImage3D(target,
0,
internalFormat,
mipWidth,
mipHeight,
img.getData().size(), //# of slices
border,
format,
dataType,
data);
}else{
glTexSubImage3D(target,
i, // level
0, // xoffset
0, // yoffset
index, // zoffset
width, // width
height, // height
1, // depth
format,
dataType,
data);
}
}else{
if (subtex){
if (samples > 1)
throw new IllegalStateException("Cannot update multisample textures");
glTexSubImage2D(target,
i,
0, 0,
mipWidth, mipHeight,
format,
dataType,
data);
}else{
if (samples > 1){
ARBTextureMultisample.glTexImage2DMultisample(target,
samples,
internalFormat,
mipWidth,
mipHeight,
true);
}else{
glTexImage2D(target,
i,
internalFormat,
mipWidth,
mipHeight,
border,
format,
dataType,
data);
}
}
}
}
pos += mipSizes[i];
}
}
}
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