public void setTexture(int unit, Texture tex) {
if (unit != 0 || tex.getType() != Texture.Type.TwoDimensional) {
// throw new UnsupportedOperationException();
return;
}
Image image = tex.getImage();
if (image.isUpdateNeeded()
|| (image.isGeneratedMipmapsRequired() && !image.isMipmapsGenerated())) {
updateTexImageData(image, tex.getType(), unit);
}
int texId = image.getId();
assert texId != -1;
Image[] textures = context.boundTextures;
int type = convertTextureType(tex.getType());
// if (!context.textureIndexList.moveToNew(unit)) {
// if (context.boundTextureUnit != unit){
// gl.glActiveTexture(GL.GL_TEXTURE0 + unit);
// context.boundTextureUnit = unit;
// }
// gl.glEnable(type);
// }
// if (context.boundTextureUnit != unit) {
// gl.glActiveTexture(GL.GL_TEXTURE0 + unit);
// context.boundTextureUnit = unit;
// }
if (textures[unit] != image) {
GL gl = GLContext.getCurrentGL();
gl.glEnable(type);
gl.glBindTexture(type, texId);
textures[unit] = image;
statistics.onTextureUse(image, true);
} else {
statistics.onTextureUse(image, false);
}
setupTextureParams(tex);
}
public void updateTexImageData(Image img, Texture.Type type, int unit) {
int texId = img.getId();
if (texId == -1) {
// create texture
glGenTextures(ib1);
texId = ib1.get(0);
img.setId(texId);
objManager.registerObject(img);
statistics.onNewTexture();
}
// bind texture
int target = convertTextureType(type);
// if (context.boundTextureUnit != unit) {
// glActiveTexture(GL_TEXTURE0 + unit);
// context.boundTextureUnit = unit;
// }
if (context.boundTextures[unit] != img) {
glEnable(target);
glBindTexture(target, texId);
context.boundTextures[unit] = img;
statistics.onTextureUse(img, true);
}
// Check sizes if graphics card doesn't support NPOT
if (!GLContext.getCapabilities().GL_ARB_texture_non_power_of_two) {
if (img.getWidth() != 0 && img.getHeight() != 0) {
if (!FastMath.isPowerOfTwo(img.getWidth()) || !FastMath.isPowerOfTwo(img.getHeight())) {
// Resize texture to Power-of-2 size
MipMapGenerator.resizeToPowerOf2(img);
}
}
}
if (!img.hasMipmaps() && img.isGeneratedMipmapsRequired()) {
// No pregenerated mips available,
// generate from base level if required
// Check if hardware mips are supported
if (GLContext.getCapabilities().OpenGL14) {
glTexParameteri(target, GL14.GL_GENERATE_MIPMAP, GL_TRUE);
} else {
MipMapGenerator.generateMipMaps(img);
}
img.setMipmapsGenerated(true);
} else {
}
if (img.getWidth() > maxTexSize || img.getHeight() > maxTexSize) {
throw new RendererException(
"Cannot upload texture "
+ img
+ ". The maximum supported texture resolution is "
+ maxTexSize);
}
/*
if (target == GL_TEXTURE_CUBE_MAP) {
List<ByteBuffer> data = img.getData();
if (data.size() != 6) {
logger.log(Level.WARNING, "Invalid texture: {0}\n"
+ "Cubemap textures must contain 6 data units.", img);
return;
}
for (int i = 0; i < 6; i++) {
TextureUtil.uploadTexture(img, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, i, 0, tdc);
}
} else if (target == EXTTextureArray.GL_TEXTURE_2D_ARRAY_EXT) {
List<ByteBuffer> data = img.getData();
// -1 index specifies prepare data for 2D Array
TextureUtil.uploadTexture(img, target, -1, 0, tdc);
for (int i = 0; i < data.size(); i++) {
// upload each slice of 2D array in turn
// this time with the appropriate index
TextureUtil.uploadTexture(img, target, i, 0, tdc);
}
} else {*/
TextureUtil.uploadTexture(img, target, 0, 0);
// }
img.clearUpdateNeeded();
}