Example usage for org.lwjgl.opengl GL11 glTexImage2D

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glTexImage2D.

Prototype

public static void glTexImage2D(@NativeType("GLenum") int target, @NativeType("GLint") int level,
        @NativeType("GLint") int internalformat, @NativeType("GLsizei") int width,
        @NativeType("GLsizei") int height, @NativeType("GLint") int border, @NativeType("GLenum") int format,
        @NativeType("GLenum") int type, @Nullable @NativeType("void const *") double[] pixels) 

Source Link

Document

Array version of: #glTexImage2D TexImage2D

Usage

From source file:com.badlogic.gdx.backends.lwjgl.LwjglGL10.java

License:Apache License

public final void glTexImage2D(int target, int level, int internalformat, int width, int height, int border,
        int format, int type, Buffer pixels) {

    if (pixels == null)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ByteBuffer) null);
    else if (pixels instanceof ByteBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ByteBuffer) pixels);
    else if (pixels instanceof ShortBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ShortBuffer) pixels);
    else if (pixels instanceof IntBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (IntBuffer) pixels);
    else if (pixels instanceof FloatBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (FloatBuffer) pixels);
    else if (pixels instanceof DoubleBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (DoubleBuffer) pixels);
    else//  ww  w  .j a v a  2  s  . c o m
        throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
                + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
}

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From source file:com.badlogic.gdx.backends.lwjgl.LwjglGL20.java

License:Apache License

public void glTexImage2D(int target, int level, int internalformat, int width, int height, int border,
        int format, int type, Buffer pixels) {
    if (pixels == null)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ByteBuffer) null);
    else if (pixels instanceof ByteBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ByteBuffer) pixels);
    else if (pixels instanceof ShortBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (ShortBuffer) pixels);
    else if (pixels instanceof IntBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (IntBuffer) pixels);
    else if (pixels instanceof FloatBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (FloatBuffer) pixels);
    else if (pixels instanceof DoubleBuffer)
        GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type,
                (DoubleBuffer) pixels);
    else//  w  w  w. ja v  a2s.  c  o  m
        throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
                + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
}

---

From source file:com.badlogic.gdx.hiero.Hiero4.java

License:Apache License

void updateFont(boolean force) {
    if (fontData == null || renderer.batch == null)
        return;/*  w  ww  .  j ava  2  s  .  co m*/

    String text = sampleTextPane.getText();

    if (!force) {
        // Don't regenerate font unless the text has new characters or has removed characters.
        boolean newCharFound = false;
        remainingSampleChars.clear();
        remainingSampleChars.addAll(sampleChars);
        for (int i = text.length() - 1; i >= 0; i--) {
            Character ch = text.charAt(i);
            if (sampleChars.add(ch))
                newCharFound = true;
            remainingSampleChars.remove(ch);
        }
        if (!newCharFound && remainingSampleChars.isEmpty())
            return;
    }
    sampleChars.clear();
    for (int i = text.length() - 1; i >= 0; i--)
        sampleChars.add(text.charAt(i));

    int fontSize = ((Integer) fontSizeSpinner.getValue()).intValue();

    int style = Font.PLAIN;
    if (boldCheckBox.isSelected()) {
        style = Font.BOLD;
        if (italicCheckBox.isSelected())
            style |= Font.ITALIC;
    } else if (italicCheckBox.isSelected()) //
        style = Font.ITALIC;
    fontData = fontData.deriveFont(fontSize, style);

    int sampleFontSize = sampleTextPane.getFont().getSize();
    if (sampleFontSize < 14)
        sampleFontSize = 14;
    sampleTextPane.setFont(fontData.getJavaFont().deriveFont((float) sampleFontSize));

    Padding padding = new Padding((Integer) padTopSpinner.getValue(), (Integer) padLeftSpinner.getValue(),
            (Integer) padBottomSpinner.getValue(), (Integer) padRightSpinner.getValue(),
            (Integer) padAdvanceXSpinner.getValue());
    final int width = (Integer) glyphPageWidthCombo.getSelectedItem();
    final int height = (Integer) glyphPageHeightCombo.getSelectedItem();

    GeneratorMethod method;
    if (vectorRadio.isSelected())
        method = GeneratorMethod.AWT_VECTOR;
    else if (drawStringRadio.isSelected())
        method = GeneratorMethod.AWT_DRAWSTRING;
    else
        method = GeneratorMethod.FREETYPE2;
    fontGenerator = new FontGenerator(fontData, method);
    CharSet charset = new CharSet();
    charset.setManualCharacters(text);
    try {
        fontGenerator.generate(width, height, charset, padding, new Effect.Renderer[0], true);

        final ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 1024 * 4);
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        fontGenerator.getTextureData(buffer.asIntBuffer());
        TextureRegion glyphRegion = new TextureRegion(new Texture(new TextureData() {
            public void load() {
                GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA,
                        GL11.GL_UNSIGNED_BYTE, buffer);
            }

            public int getWidth() {
                return width;
            }

            public int getHeight() {
                return height;
            }
        }));
        fontGenerator.write(new File("out"), ExportFormat.TEXT);
        renderer.font = new BitmapFont(Gdx.files.absolute("out"), glyphRegion, false);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:com.dinasgames.engine.graphics.Texture.java

public boolean create(int width, int height) {

    if (width == 0 && height == 0) {
        return false;
    }//from ww  w.j  a va 2  s .  c o  m

    Vector2i actualSize = new Vector2i(getValidSize(width), getValidSize(height));

    int maxSize = getMaximumSize();
    if ((actualSize.x > maxSize) || (actualSize.y > maxSize)) {
        System.out.println("Failed to create texture, its internal size is too high (" + actualSize.x + ", "
                + actualSize.y + ") maximum is (" + maxSize + ", " + maxSize + ")");
        return false;
    }

    mWidth = width;
    mHeight = height;
    mActualWidth = actualSize.x;
    mActualHeight = actualSize.y;
    mPixelsFlipped = false;

    if (mTexture <= 0) {
        mTexture = GL11.glGenTextures();
    }

    int textureEdgeClamp = GL.clampToEdge();

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, mActualWidth, mActualHeight, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, 0);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
            (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
            (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER,
            (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER,
            (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
    mCacheId = getUniqueId();

    return true;

}

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From source file:com.flowpowered.caustic.lwjgl.gl20.GL20Texture.java

License:MIT License

@Override
public void setImageData(ByteBuffer imageData, int width, int height) {
    checkCreated();/*ww w  .  ja  v  a 2 s. c  om*/
    if (width <= 0) {
        throw new IllegalArgumentException("Width must be greater than zero");
    }
    if (height <= 0) {
        throw new IllegalArgumentException("Height must be greater than zero");
    }
    // Back up the old values
    int oldWidth = this.width;
    int oldHeight = this.height;
    // Update the texture width and height
    this.width = width;
    this.height = height;
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Upload the texture to the GPU
    final boolean hasInternalFormat = internalFormat != null;
    if (minFilter.needsMipMaps() && imageData != null) {
        // Build mipmaps if using mip mapped filters
        GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D,
                hasInternalFormat ? internalFormat.getGLConstant() : format.getGLConstant(), width, height,
                format.getGLConstant(), hasInternalFormat ? internalFormat.getComponentType().getGLConstant()
                        : DataType.UNSIGNED_BYTE.getGLConstant(),
                imageData);
    } else {
        // Else just make it a normal texture, use byte alignment
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        // Check if we can only upload without reallocating
        if (imageData != null && width == oldWidth && height == oldHeight) {
            GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, width, height, format.getGLConstant(),
                    hasInternalFormat ? internalFormat.getComponentType().getGLConstant()
                            : DataType.UNSIGNED_BYTE.getGLConstant(),
                    imageData);
        } else {
            // Reallocate and upload the image
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0,
                    hasInternalFormat ? internalFormat.getGLConstant() : format.getGLConstant(), width, height,
                    0, format.getGLConstant(),
                    hasInternalFormat ? internalFormat.getComponentType().getGLConstant()
                            : DataType.UNSIGNED_BYTE.getGLConstant(),
                    imageData);
        }
    }
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

---

From source file:com.flowpowered.caustic.lwjgl.gl30.GL30Texture.java

License:MIT License

@Override
public void setImageData(ByteBuffer imageData, int width, int height) {
    checkCreated();//from w w  w . j  a  va2 s  . com
    if (width <= 0) {
        throw new IllegalArgumentException("Width must be greater than zero");
    }
    if (height <= 0) {
        throw new IllegalArgumentException("Height must be greater than zero");
    }
    // Back up the old values
    int oldWidth = this.width;
    int oldHeight = this.height;
    // Update the texture width and height
    this.width = width;
    this.height = height;
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Use byte alignment
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
    // Upload the texture
    final boolean hasInternalFormat = internalFormat != null;
    // Check if we can only upload without reallocating
    if (imageData != null && width == oldWidth && height == oldHeight) {
        GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, width, height, format.getGLConstant(),
                hasInternalFormat ? internalFormat.getComponentType().getGLConstant()
                        : DataType.UNSIGNED_BYTE.getGLConstant(),
                imageData);
    } else {
        // Reallocate and upload the image
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0,
                hasInternalFormat ? internalFormat.getGLConstant() : format.getGLConstant(), width, height, 0,
                format.getGLConstant(), hasInternalFormat ? internalFormat.getComponentType().getGLConstant()
                        : DataType.UNSIGNED_BYTE.getGLConstant(),
                imageData);
    }
    // Generate mipmaps if necessary
    if (minFilter.needsMipMaps() && imageData != null) {
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    }
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

---

From source file:com.foudroyantfactotum.mod.fousarchive.midi.generation.MidiTexture.java

License:Open Source License

@Override
public void loadTexture(IResourceManager resourceManager) throws IOException {
    final int xSize = getSmallTextureSize();
    final int ySize = 88;
    byte[] res = null;

    try (final InputStream io = resourceManager.getResource(rl).getInputStream()) {
        res = getMidiTrack(io, xSize, ySize);
    } catch (InvalidMidiDataException e) {
        e.printStackTrace();/*  w ww . j  av a2s. c o  m*/
    }

    if (res != null) {
        this.deleteGlTexture();

        GlStateManager.bindTexture(this.getGlTextureId());

        final ByteBuffer bb = (ByteBuffer) BufferUtils.createByteBuffer(res.length).put(res).flip();

        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MAX_LEVEL, 0);
        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);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MIN_LOD, 0.0f);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MAX_LOD, 0.0f);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL14.GL_TEXTURE_LOD_BIAS, 0.0f);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, xSize, ySize, 0, GL11.GL_RGB, GL11.GL_BYTE, bb);
    }
}

---

From source file:com.github.begla.blockmania.world.horizon.Skysphere.java

License:Apache License

private void loadStarTextures() {
    int internalFormat = GL11.GL_RGBA8, format = GL12.GL_BGRA;

    GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, _textureIds.get(0));

    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL12.GL_TEXTURE_WRAP_R, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);

    for (int i = 0; i < 6; i++) {

        byte[] data = TextureManager.getInstance().getTexture("stars" + (i + 1)).getTextureData();
        ByteBuffer byteBuffer = BufferUtils.createByteBuffer(data.length);
        byteBuffer.put(data);/*w  w  w. j  a  v a2  s  . c o  m*/
        byteBuffer.flip();

        GL11.glTexImage2D(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internalFormat, 256, 256, 0, format,
                GL11.GL_UNSIGNED_BYTE, byteBuffer);
    }
}

---

From source file:com.github.kajdreef.mazerunnermvn.Object.GameObject.java

protected void setTextureUnit(Texture texture, int textureUnit) {
    // Create a new texture object in memory and bind it
    texId = GL11.glGenTextures();//from  w  ww  .ja  v a  2s.  com
    GL13.glActiveTexture(textureUnit);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // All RGB bytes are aligned to each other and each component is 1 byte
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    // Upload the texture data and generate mip maps (for scaling)
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, texture.getWidth(), texture.getHeight(), 0,
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, texture.getTexBuffer());
    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

    // Setup the ST coordinate system
    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);

    // Setup what to do when the texture has to be scaled
    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_LINEAR_MIPMAP_LINEAR);
}

---

From source file:com.golden.gamedev.engine.lwjgl.TextureLoader.java

License:Open Source License

/**
 * Load a texture into OpenGL from a image reference on disk.
 * //from  w w w.j a v  a2s.c o  m
 * @param resourceName The location of the resource to load
 * @param target The GL target to load the texture against
 * @param dstPixelFormat The pixel format of the screen
 * @param minFilter The minimising filter
 * @param magFilter The magnification filter
 * @return The loaded texture
 * @throws IOException Indicates a failure to access the resource
 */
public Texture getTexture(BufferedImage image, int target, int dstPixelFormat, int minFilter, int magFilter) {
    int srcPixelFormat = 0;

    // create the texture ID for this texture
    int textureID = this.createTextureID();
    Texture texture = new Texture(target, textureID);

    // bind this texture
    GL11.glBindTexture(target, textureID);

    texture.setWidth(image.getWidth());
    texture.setHeight(image.getHeight());

    srcPixelFormat = (image.getColorModel().hasAlpha()) ? GL11.GL_RGBA : GL11.GL_RGB;

    // convert that image into a byte buffer of texture data
    ByteBuffer textureBuffer = this.convertImageData(image, texture);

    if (target == GL11.GL_TEXTURE_2D) {
        GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
        GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, magFilter);
    }

    // produce a texture from the byte buffer
    GL11.glTexImage2D(target, 0, dstPixelFormat, this.get2Fold(image.getWidth()),
            this.get2Fold(image.getHeight()), 0, srcPixelFormat, GL11.GL_UNSIGNED_BYTE, textureBuffer);

    return texture;
}

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