Example usage for org.lwjgl.opengl GL11 glBindTexture

List of usage examples for org.lwjgl.opengl GL11 glBindTexture

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Introduction

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

Prototype

public static void glBindTexture(@NativeType("GLenum") int target, @NativeType("GLuint") int texture)

Source Link

Document

Binds the a texture to a texture target.

Usage

From source file:com.dyonovan.tcnodetracker.lib.truetyper.TrueTypeFont.java

License:Open Source License

public static int loadImage(BufferedImage bufferedImage) {
    try {/*w w w.j av a 2 s.c  o m*/
        short width = (short) bufferedImage.getWidth();
        short height = (short) bufferedImage.getHeight();
        //textureLoader.bpp = bufferedImage.getColorModel().hasAlpha() ? (byte)32 : (byte)24;
        int bpp = (byte) bufferedImage.getColorModel().getPixelSize();
        ByteBuffer byteBuffer;
        DataBuffer db = bufferedImage.getData().getDataBuffer();
        if (db instanceof DataBufferInt) {
            int intI[] = ((DataBufferInt) (bufferedImage.getData().getDataBuffer())).getData();
            byte newI[] = new byte[intI.length * 4];
            for (int i = 0; i < intI.length; i++) {
                byte b[] = intToByteArray(intI[i]);
                int newIndex = i * 4;

                newI[newIndex] = b[1];
                newI[newIndex + 1] = b[2];
                newI[newIndex + 2] = b[3];
                newI[newIndex + 3] = b[0];
            }

            byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                    .put(newI);
        } else {
            byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                    .put(((DataBufferByte) (bufferedImage.getData().getDataBuffer())).getData());
        }
        byteBuffer.flip();

        int internalFormat = GL11.GL_RGBA8, format = GL11.GL_RGBA;
        IntBuffer textureId = BufferUtils.createIntBuffer(1);
        ;
        GL11.glGenTextures(textureId);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId.get(0));

        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);

        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_MIN_FILTER, GL11.GL_LINEAR);
        //GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_NEAREST);

        //GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
        //GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
        //GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_NEAREST);

        GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);

        GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D, internalFormat, width, height, format, GL11.GL_UNSIGNED_BYTE,
                byteBuffer);
        return textureId.get(0);

    } catch (Exception e) {
        e.printStackTrace();
        System.exit(-1);
    }

    return -1;
}

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

License:MIT License

@Override
public void setAnisotropicFiltering(float value) {
    checkCreated();//  w  w  w.jav  a2  s  .  c  om
    if (value <= 0) {
        throw new IllegalArgumentException("Anisotropic filtering value must be greater than zero");
    }
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Set the anisotropic filtering value
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, EXTTextureFilterAnisotropic.GL_TEXTURE_MAX_ANISOTROPY_EXT, value);
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void setWraps(WrapMode horizontalWrap, WrapMode verticalWrap) {
    checkCreated();//from   www .ja va2  s. c  o  m
    if (horizontalWrap == null) {
        throw new IllegalArgumentException("Horizontal wrap cannot be null");
    }
    if (verticalWrap == null) {
        throw new IllegalArgumentException("Vertical wrap cannot be null");
    }
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Set the vertical and horizontal texture wraps
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, horizontalWrap.getGLConstant());
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, verticalWrap.getGLConstant());
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void setFilters(FilterMode minFilter, FilterMode magFilter) {
    checkCreated();//from  w w w. ja  va 2s.  co  m
    if (minFilter == null) {
        throw new IllegalArgumentException("Min filter cannot be null");
    }
    if (magFilter == null) {
        throw new IllegalArgumentException("Mag filter cannot be null");
    }
    if (magFilter.needsMipMaps()) {
        throw new IllegalArgumentException("Mag filter cannot require mipmaps");
    }
    this.minFilter = minFilter;
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Set the min and max texture filters
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, minFilter.getGLConstant());
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, magFilter.getGLConstant());
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void setCompareMode(CompareMode compareMode) {
    checkCreated();//from w  w  w  .  j  av a  2  s.co m
    if (compareMode == null) {
        throw new IllegalArgumentException("Compare mode cannot be null");
    }
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Note: GL14.GL_COMPARE_R_TO_TEXTURE and GL30.GL_COMPARE_REF_TO_TEXTURE are the same, just a different name
    // No need for a different call in the GL30 implementation
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_TEXTURE_COMPARE_MODE, GL14.GL_COMPARE_R_TO_TEXTURE);
    // Set the compare mode
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_TEXTURE_COMPARE_FUNC, compareMode.getGLConstant());
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void setBorderColor(Vector4f borderColor) {
    checkCreated();/*  www  . j a  v  a 2s .com*/
    if (borderColor == null) {
        throw new IllegalArgumentException("Border color cannot be null");
    }
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Set the border color
    GL11.glTexParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_BORDER_COLOR,
            (FloatBuffer) CausticUtil.createFloatBuffer(4).put(borderColor.toArray()).flip());
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void setImageData(ByteBuffer imageData, int width, int height) {
    checkCreated();/*from www  .  j  a va  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.gl20.GL20Texture.java

License:MIT License

@Override
public ByteBuffer getImageData(InternalFormat format) {
    checkCreated();/*from w ww .  jav  a  2 s.c  om*/
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Create the image buffer
    final boolean formatNotNull = format != null;
    final ByteBuffer imageData = CausticUtil
            .createByteBuffer(width * height * (formatNotNull ? format.getBytes()
                    : this.format.getComponentCount() * DataType.UNSIGNED_BYTE.getByteSize()));
    // Use byte alignment
    GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
    // Get the image data
    GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0,
            formatNotNull ? format.getFormat().getGLConstant() : this.format.getGLConstant(),
            formatNotNull ? format.getComponentType().getGLConstant() : DataType.UNSIGNED_BYTE.getGLConstant(),
            imageData);
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
    return imageData;
}

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

License:MIT License

@Override
public void bind(int unit) {
    checkCreated();/*from w w w.  j a  v a 2  s .  co m*/
    if (unit != -1) {
        // Activate the texture unit
        GL13.glActiveTexture(GL13.GL_TEXTURE0 + unit);
    }
    // Bind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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

License:MIT License

@Override
public void unbind() {
    checkCreated();//ww w .j ava  2s  .c om
    // Unbind the texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
}