Example usage for org.lwjgl.opengl GL11 glGenTextures

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glGenTextures.

Prototype

@NativeType("void")
public static int glGenTextures() 

Source Link

Document

Returns n previously unused texture names in textures.

Usage

From source file:com.kauridev.lunarfever.graphics.TextureLoader.java

License:Open Source License

public static Texture loadTexture(String file) {
    Texture texture = cache.get(file);/*from  w  w  w  .  j ava 2 s  . c o  m*/

    if (texture != null && texture.getTexture().valid()) {
        return texture;
    }

    BufferedImage image = loadImage(file);

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    int id = GL11.glGenTextures();

    // bind
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);

    // set filter
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    // set wrap
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);

    // set unpack alignment
    GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    // send data to gpu
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, image.getWidth(), image.getHeight(), 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, loadBuffer(image));

    // Create texture
    texture = new Texture(id, image.getWidth(), image.getHeight());

    cache.put(file, texture);
    return texture;
}

---

From source file:com.mtbs3d.minecrift.FBOParams.java

License:LGPL

public FBOParams(String fboName, int textureType, int internalFormat, int baseFormat, int bufferType,
        int fboWidth, int fboHeight) throws Exception {
    Minecraft mc = Minecraft.getMinecraft();
    _textureType = textureType;/*from ww w.j  a v  a  2s  .  co  m*/

    if (fboSupport == FBO_SUPPORT.USE_EXT_UNKNOWN) {
        // The framebuffer, which regroups 0, 1, or more textures, and 0 or 1 depth buffer.
        try {
            _frameBufferId = GL30.glGenFramebuffers();
            fboSupport = FBO_SUPPORT.USE_GL30;
        } catch (IllegalStateException ex) {
            System.out.println(
                    "[Minecrift] FBO creation: GL30.glGenFramebuffers not supported. Attempting to use EXTFramebufferObject.glGenFramebuffersEXT");
            fboSupport = FBO_SUPPORT.USE_EXT;

            try {
                _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
            } catch (IllegalStateException ex1) {
                System.out.println(
                        "[Minecrift] FBO creation: EXTFramebufferObject.glGenFramebuffersEXT not supported, FBO creation failed.");
                throw ex1;
            }
        }
    } else if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _frameBufferId = GL30.glGenFramebuffers();
    } else {
        _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
    }

    if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = GL30.glGenRenderbuffers();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, _frameBufferId);
        checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);

        System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, textureType,
                _colorTextureId, 0);

        checkGLError("FBO bind texture framebuffer");

        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, _depthRenderBufferId); // bind the depth renderbuffer
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                _depthRenderBufferId);
        checkGLError("FBO bind depth framebuffer");
    } else {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = EXTFramebufferObject.glGenRenderbuffersEXT();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _frameBufferId);
        checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);
        System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, textureType, _colorTextureId, 0);

        checkGLError("FBO bind texture framebuffer");

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId); // bind the depth renderbuffer
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId);
        checkGLError("FBO bind depth framebuffer");
    }

    if (!checkFramebufferStatus()) {
        // OK, if we have an error here - then throw an exception
        System.out.println("[Minecrift] FAILED to create framebuffer!!");
        throw new Exception("Failed to create framebuffer");
    }
}

---

From source file:com.mtbs3d.minecrift.render.FBOParams.java

License:LGPL

public FBOParams(String fboName, int textureType, int internalFormat, int baseFormat, int bufferType,
        int fboWidth, int fboHeight) throws Exception {
    Minecraft mc = Minecraft.getMinecraft();
    _textureType = textureType;/*from   w  w  w.  j  a va2 s .co m*/

    if (fboSupport == FBO_SUPPORT.USE_EXT_UNKNOWN) {
        // The framebuffer, which regroups 0, 1, or more textures, and 0 or 1 depth buffer.
        try {
            _frameBufferId = GL30.glGenFramebuffers();
            fboSupport = FBO_SUPPORT.USE_GL30;
        } catch (IllegalStateException ex) {
            System.out.println(
                    "[Minecrift] FBO creation: GL30.glGenFramebuffers not supported. Attempting to use EXTFramebufferObject.glGenFramebuffersEXT");
            fboSupport = FBO_SUPPORT.USE_EXT;

            try {
                _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
            } catch (IllegalStateException ex1) {
                System.out.println(
                        "[Minecrift] FBO creation: EXTFramebufferObject.glGenFramebuffersEXT not supported, FBO creation failed.");
                throw ex1;
            }
        }
    } else if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _frameBufferId = GL30.glGenFramebuffers();
    } else {
        _frameBufferId = EXTFramebufferObject.glGenFramebuffersEXT();
    }

    if (fboSupport == FBO_SUPPORT.USE_GL30) {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = GL30.glGenRenderbuffers();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, _frameBufferId);
        mc.checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        mc.checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);

        //System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, textureType,
                _colorTextureId, 0);

        mc.checkGLError("FBO bind texture framebuffer");

        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, _depthRenderBufferId); // bind the depth renderbuffer
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                _depthRenderBufferId);
        mc.checkGLError("FBO bind depth framebuffer");
    } else {
        _colorTextureId = GL11.glGenTextures();
        _depthRenderBufferId = EXTFramebufferObject.glGenRenderbuffersEXT();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _frameBufferId);
        mc.checkGLError("FBO bind framebuffer");

        GL11.glBindTexture(textureType, _colorTextureId);
        mc.checkGLError("FBO bind texture");

        GL11.glEnable(textureType);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(textureType, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(textureType, 0, internalFormat, fboWidth, fboHeight, 0, baseFormat, bufferType,
                (java.nio.ByteBuffer) null);
        //System.out.println("[Minecrift] FBO '" + fboName + "': w: " + fboWidth + ", h: " + fboHeight);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, textureType, _colorTextureId, 0);

        mc.checkGLError("FBO bind texture framebuffer");

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId); // bind the depth renderbuffer
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, fboWidth, fboHeight); // get the data space for it
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                _depthRenderBufferId);
        mc.checkGLError("FBO bind depth framebuffer");
    }

    if (!checkFramebufferStatus()) {
        // OK, if we have an error here - then throw an exception
        System.out.println("[Minecrift] FAILED to create framebuffer!!");
        throw new Exception("Failed to create framebuffer");
    }
}

---

From source file:com.opengrave.og.light.Texture2DShadowMap.java

License:Open Source License

public Texture2DShadowMap(int size) {
    texture = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    Util.checkErr();/*from   ww  w  . java  2 s .c  om*/
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    Util.checkErr();
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    Util.checkErr();
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    Util.checkErr();
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D,
    // GL14.GL_TEXTURE_COMPARE_FUNC, GL11.GL_LEQUAL);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D,
    // GL14.GL_TEXTURE_COMPARE_MODE,
    // GL30.GL_COMPARE_REF_TO_TEXTURE);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_TEXTURE_COMPARE_MODE, GL11.GL_NONE);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_DEPTH_TEXTURE_MODE, GL11.GL_INTENSITY);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_DEPTH_COMPONENT, size, size, 0, GL11.GL_DEPTH_COMPONENT,
            GL11.GL_FLOAT, (FloatBuffer) null);
    Util.checkErr();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    // texture2 = GL11.glGenTextures();
    // GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture2);
    // GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0,GL11.GL_RGB, size, size,
    // 0,GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, (FloatBuffer)null);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER,
    // GL11.GL_NEAREST);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER,
    // GL11.GL_NEAREST);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
    // GL12.GL_CLAMP_TO_EDGE);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
    // GL12.GL_CLAMP_TO_EDGE);
    // GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

}

---

From source file:com.opengrave.og.light.TextureCubeShadowMap.java

License:Open Source License

public TextureCubeShadowMap(int size) {
    texture = GL11.glGenTextures();
    GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, texture);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    Util.checkErr();//  w w w.ja v a 2  s .  co m
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    Util.checkErr();
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    Util.checkErr();
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    Util.checkErr();
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL12.GL_TEXTURE_WRAP_R, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL14.GL_TEXTURE_COMPARE_MODE, GL11.GL_NONE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL14.GL_DEPTH_TEXTURE_MODE, GL11.GL_INTENSITY);
    // GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP,
    // GL12.GL_TEXTURE_BASE_LEVEL, 0);
    // GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP,
    // GL12.GL_TEXTURE_MAX_LEVEL, 0);

    for (int i = 0; i < 6; i++) {
        GL11.glTexImage2D(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL11.GL_DEPTH_COMPONENT, size, size, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, (FloatBuffer) null);
    }
    Util.checkErr();
    GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, 0);

    // texture2 = GL11.glGenTextures();
    // GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture2);
    // GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0,GL11.GL_RGB, size, size,
    // 0,GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, (FloatBuffer)null);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER,
    // GL11.GL_NEAREST);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER,
    // GL11.GL_NEAREST);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
    // GL12.GL_CLAMP_TO_EDGE);
    // GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
    // GL12.GL_CLAMP_TO_EDGE);
    // GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

}

---

From source file:com.opengrave.og.resources.TextureAtlas.java

License:Open Source License

protected static TextureAtlas create(ArrayList<String> files) {
    if (files.size() == 0) {
        // WAT//www . j  a va2s.co m
        files.add("blank");
    }
    TextureAtlas atlas = new TextureAtlas();
    atlas.id = GL11.glGenTextures();

    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, atlas.id);
    Util.checkErr();
    atlas.depth = getPowerOfTwo(files.size());
    while (files.size() < atlas.depth) {
        files.add("blank");
    }
    // System.out.println("Texture Atlas id : " + atlas.id + " size : "
    // + files.size() + " end size : " + atlas.depth);
    atlas.width = 1;
    atlas.height = 1;
    for (int i = 0; i < files.size(); i++) {
        if (files.get(i).equalsIgnoreCase("blank") || files.get(i).equalsIgnoreCase("none")) {
            continue;
        }
        PNGDecoder firstImage = getImageFile(files.get(i));
        if (firstImage == null) {
            return null;
        }
        atlas.width = firstImage.getWidth();
        atlas.height = firstImage.getHeight();
        break;
    }
    Util.checkErr();
    // ARBTextureStorage.glTexStorage3D(atlas.getTextureType(), 1,
    // GL11.GL_RGBA, atlas.width, atlas.height, atlas.depth); // Throws an
    // error for GL_RGBA, it wants an internal format only.
    // Inversly. No GL_RGBAx values work.
    // Util.checkErr(false);
    ByteBuffer buf = ByteBuffer.allocateDirect(4 * atlas.width * atlas.height * atlas.depth);
    for (String location : files) {
        if (location.equalsIgnoreCase("blank")) {
            byte b = (byte) 255;
            for (int count = 0; count < atlas.width * atlas.height; count++) {
                buf.put(b).put(b).put(b).put(b);
            }
            // System.out
            // .println("Added BLANK to atlas as number" + (index++));
            atlas.token = atlas.token + ":blank";
        } else if (location.equalsIgnoreCase("none")) {
            byte b = (byte) 0;
            for (int count = 0; count < atlas.width * atlas.height; count++) {
                buf.put(b).put(b).put(b).put(b);
            }
            // System.out
            // .println("Added BLANK to atlas as number" + (index++));
            atlas.token = atlas.token + ":blank";
        } else {

            PNGDecoder decoder = getImageFile(location);
            if (decoder == null) {
                byte b = (byte) 255;
                for (int count = 0; count < atlas.width * atlas.height; count++) {
                    buf.put(b).put(b).put(b).put(b);
                }
            } else {
                if (decoder.getWidth() != atlas.width || decoder.getHeight() != atlas.height) {
                    System.out.println(
                            "Non-standard image size. All images" + " in an atlas must have the same size");
                    System.out.println("Offender : " + location);
                    return null;
                }
                try {
                    decoder.decode(buf, atlas.width * 4, Format.RGBA);
                } catch (IOException e) {
                    new DebugExceptionHandler(e);
                }
            }
            // System.out.println("Added " + location +
            // " to atlas as number "
            // + (index++));
            atlas.token = atlas.token + ":" + location;
        }

    }
    buf.flip();
    GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, atlas.width, atlas.height, atlas.depth, 0,
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
    Util.checkErr();
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    Util.checkErr();
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
    Util.checkErr();
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    Util.checkErr();

    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    Util.checkErr();
    // GL30.glGenerateMipmap(GL30.GL_TEXTURE_2D_ARRAY);
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
    Util.checkErr();
    return atlas;
}

---

From source file:com.opengrave.og.resources.TextureAtlasEditable.java

License:Open Source License

public TextureAtlasEditable(int size, float r, float g, float b, float a) {

    this.size = getPowerOfTwo(size);
    id = GL11.glGenTextures();
    mainBuf = BufferUtils.createByteBuffer(4 * this.size * this.size);
    for (int count = 0; count < this.size * this.size; count++) {
        addColour(r, g, b, a);//from   www .  jav a 2s .  c o  m
    }
    mainBuf.flip();
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, id);
    GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, this.size, this.size, 1, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, mainBuf);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
}

---

From source file:com.opengrave.og.resources.TextureAtlasEditable.java

License:Open Source License

@Override
public void bind(int t) {

    GL13.glActiveTexture(t);/* ww w.j  a  v  a 2 s . co  m*/
    if (pixels != null) {
        id = GL11.glGenTextures();
        mainBuf = BufferUtils.createByteBuffer(4 * this.size * this.size);
        // for (int i = this.size - 1; i >= 0; i--) {
        for (int i = 0; i < this.size; i++) {
            for (int j = 0; j < this.size; j++) {
                float r = 1f, g = 1f, b = 1f, a = 0f;
                if (i < py && j < px) {
                    int pixel = pixels[i * px + j];
                    r = (float) ((pixel >> 16) & 0xFF) / 255f;
                    g = (float) ((pixel >> 8) & 0xFF) / 255f;
                    b = (float) (pixel & 0xFF) / 255f;
                    a = (float) ((pixel >> 24) & 0xFF) / 255f;
                }
                addColour(r, g, b, a);
            }
        }
        mainBuf.flip();
        GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, id);
        GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, this.size, this.size, 1, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, mainBuf);
        GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
        GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
        GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
        pixels = null;
    }
    synchronized (changeList) {
        if (changeList.size() < 10) {
            GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, id);

            for (TextureEditableDeferedChanges change : changeList) {
                applyChangeToMainBuffer(change);
                ByteBuffer buf = BufferUtils.createByteBuffer(4);
                buf.put((byte) (255 * change.getColour().z)).put((byte) (255 * change.getColour().y))
                        .put((byte) (255 * change.getColour().x)).put((byte) (255 * change.getColour().w));
                buf.flip();
                GL11.glTexSubImage2D(GL30.GL_TEXTURE_2D_ARRAY, 0, change.getX(), change.getY(), 1, 1,
                        GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE, buf);
            }
            GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
        } else {
            // Replace the whole image. There's bound to be better ways
            // around this...
            for (TextureEditableDeferedChanges change : changeList) {
                applyChangeToMainBuffer(change);
            }
            mainBuf.position(0);
            GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, id);
            Util.checkErr();
            GL12.glTexSubImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, size, size, 0, GL12.GL_BGRA,
                    GL11.GL_UNSIGNED_BYTE, mainBuf);
            Util.checkErr();
            GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
            Util.checkErr();

        }
        changeList.clear();
    }
    Util.checkErr();
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, id);
    lastTexNum = t;
}

---

From source file:com.opengrave.og.resources.TextureDead.java

License:Open Source License

public static TextureDead create(String location) {
    InputStream in = null;//ww w  .  j a v  a 2  s  . c  o  m
    File f = new File(Resources.cache, location);
    try {
        in = new FileInputStream(f.getAbsolutePath());
    } catch (FileNotFoundException e1) {
        System.out.println("Cannot open file " + f.getAbsolutePath());
        return null;
    }
    PNGDecoder decoder;
    TextureDead textureObject = new TextureDead();
    int texture = -1;
    try {
        decoder = new PNGDecoder(in);
        textureObject.width = decoder.getWidth();
        textureObject.height = decoder.getHeight();
        System.out.println("Width : " + decoder.getWidth() + " Height : " + decoder.getHeight());
        ByteBuffer buf = ByteBuffer.allocateDirect(4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();
        texture = GL11.glGenTextures();
        textureObject.id = texture;
        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, decoder.getWidth(), decoder.getHeight(), 0,
                GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
        // GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    } catch (IOException e) {
        new DebugExceptionHandler(e, location);
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
        }
    }
    return textureObject;

}

---

From source file:com.opengrave.og.resources.TextureEditable.java

License:Open Source License

public TextureEditable(int size, float r, float g, float b, float a) {

    this.size = getPowerOfTwo(size);
    id = GL11.glGenTextures();
    mainBuf = BufferUtils.createByteBuffer(4 * this.size * this.size);
    for (int count = 0; count < this.size * this.size; count++) {
        addColour(r, g, b, a);//from   w  ww  . j  a v a  2  s  . co m
    }
    mainBuf.flip();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, this.size, this.size, 0, GL12.GL_BGRA,
            GL11.GL_UNSIGNED_BYTE, mainBuf);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
}

---

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