Example usage for org.lwjgl.opengl GL11 glTexParameteri

Introduction

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

Prototype

public static void glTexParameteri(@NativeType("GLenum") int target, @NativeType("GLenum") int pname,
        @NativeType("GLint") int param) 

Source Link

Document

Sets the integer value of a texture parameter, which controls how the texel array is treated when specified or changed, and when applied to a fragment.

Usage

From source file:me.ukl.api.util.TextureUtil.java

License:MIT License

public static void setMinFilter(int filter) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, filter);
}

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From source file:me.ukl.api.util.TextureUtil.java

License:MIT License

public static void setMagFilter(int filter) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, filter);
}

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From source file:me.ukl.api.util.TextureUtil.java

License:MIT License

public static void setWrapS(int wrap) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrap);
}

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From source file:me.ukl.api.util.TextureUtil.java

License:MIT License

public static void setWrapT(int wrap) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrap);
}

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From source file:mwisbest.openbase.opengl.TextureImplementation.java

License:Open Source License

@Override
public void setTextureFilter(int textureFilter) {
    this.bind();/*w w  w  .j a  v a2  s .c o  m*/
    GL11.glTexParameteri(this.target, GL11.GL_TEXTURE_MIN_FILTER, textureFilter);
    GL11.glTexParameteri(this.target, GL11.GL_TEXTURE_MAG_FILTER, textureFilter);
}

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From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

private TextureImplementation getTexture(InputStream in, String resourceName, int target, int minFilter,
        int magFilter, boolean flipped, int[] transparent) throws IOException {
    // create the texture ID for this texture
    ByteBuffer textureBuffer;//from  w w  w .ja v a  2  s  . c om

    LoadableImageData imageData = ImageDataFactory.getImageDataFor(resourceName);
    textureBuffer = imageData.loadImage(new BufferedInputStream(in), flipped, transparent);

    int textureID = createTextureID();
    TextureImplementation texture = new TextureImplementation(resourceName, target, textureID);
    // bind this texture
    GL11.glEnable(target);
    GL11.glBindTexture(target, textureID);

    int width;
    int height;
    int texWidth;
    int texHeight;

    ImageData.Format format;

    width = imageData.getWidth();
    height = imageData.getHeight();
    format = imageData.getFormat();

    texture.setTextureWidth(imageData.getTexWidth());
    texture.setTextureHeight(imageData.getTexHeight());

    texWidth = texture.getTextureWidth();
    texHeight = texture.getTextureHeight();

    IntBuffer temp = BufferUtils.createIntBuffer(16);
    GL11.glGetInteger(GL11.GL_MAX_TEXTURE_SIZE, temp);
    int max = temp.get(0);
    if (texWidth > max || texHeight > max)
        throw new IOException("Attempt to allocate a texture to big for the current hardware");

    int srcPixelFormat = format.getOGLType();

    texture.setWidth(width);
    texture.setHeight(height);
    texture.setImageFormat(format);

    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, magFilter);

    ContextCapabilities capabilities = GLContext.getCapabilities();

    if (capabilities.OpenGL30 || capabilities.GL_EXT_framebuffer_object
            || capabilities.GL_ARB_framebuffer_object || capabilities.OpenGL14) {
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MAX_LOD, GL11.GL_POLYGON_BIT);
        if (capabilities.OpenGL30)
            GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        else if (capabilities.GL_EXT_framebuffer_object)
            EXTFramebufferObject.glGenerateMipmapEXT(GL11.GL_TEXTURE_2D);
        else if (capabilities.GL_ARB_framebuffer_object)
            ARBFramebufferObject.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        else if (capabilities.OpenGL14)
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_GENERATE_MIPMAP, GL11.GL_TRUE);
    }

    // produce a texture from the byte buffer
    GL11.glTexImage2D(target, 0, this.dstPixelFormat, get2Fold(width), get2Fold(height), 0, srcPixelFormat,
            GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return texture;
}

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From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

/**
 * Get a texture from an image file./*  w ww . java 2 s  .co m*/
 * 
 * @param dataSource The image data to generate the texture from
 * @param filter The filter to use when scaling the texture
 * @return The texture created
 * @throws IOException Indicates the texture is too big for the hardware
 */
public Texture getTexture(ImageData dataSource, int filter) throws IOException {
    int target = GL11.GL_TEXTURE_2D;

    ByteBuffer textureBuffer;
    textureBuffer = dataSource.getImageBufferData();

    // create the texture ID for this texture
    int textureID = createTextureID();
    TextureImplementation texture = new TextureImplementation("generated:" + dataSource, target, textureID);

    int minFilter = filter;
    int magFilter = filter;

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

    int width;
    int height;
    int texWidth;
    int texHeight;

    ImageData.Format format;

    width = dataSource.getWidth();
    height = dataSource.getHeight();
    format = dataSource.getFormat();

    texture.setTextureWidth(dataSource.getTexWidth());
    texture.setTextureHeight(dataSource.getTexHeight());

    texWidth = texture.getTextureWidth();
    texHeight = texture.getTextureHeight();

    int srcPixelFormat = format.getOGLType();

    texture.setWidth(width);
    texture.setHeight(height);
    texture.setImageFormat(format);

    IntBuffer temp = BufferUtils.createIntBuffer(16);
    GL11.glGetInteger(GL11.GL_MAX_TEXTURE_SIZE, temp);
    int max = temp.get(0);
    if (texWidth > max || texHeight > max)
        throw new IOException("Attempt to allocate a texture to big for the current hardware");

    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, this.dstPixelFormat, get2Fold(width), get2Fold(height), 0, srcPixelFormat,
            GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return texture;
}

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From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

/**
 * Reload a given texture blob; used internally with setHoldTextureData. Call TextureImpl.reload instead.
 * //from   ww  w  .  j  a  va  2 s  .  com
 * @param texture The texture being reloaded
 * @param srcPixelFormat The source pixel format
 * @param componentCount The component count
 * @param minFilter The minification filter
 * @param magFilter The magnification filter
 * @param textureBuffer The pixel data
 * @return The ID of the newly created texture
 */
public int reload(TextureImplementation texture, int srcPixelFormat, int componentCount, int minFilter,
        int magFilter, ByteBuffer textureBuffer) {
    int target = GL11.GL_TEXTURE_2D;
    int textureID = createTextureID();
    GL11.glEnable(target);
    GL11.glBindTexture(target, textureID);

    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, this.dstPixelFormat, texture.getTextureWidth(), texture.getTextureHeight(), 0,
            srcPixelFormat, GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return textureID;
}

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From source file:net.BiggerOnTheInside.Binder.BlockRenderer.java

License:Open Source License

public static void renderBlock(Block b, float x, float y, float z) {
    GL11.glPushMatrix();//from   w w w  . j  a va2s . c  o m
    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.glTranslatef(x * 2f, y * 2f, z * 2f);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor3f(1f, 1f, 1f);

    // Top face.
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x(), b.getTextureCoordinates(BlockFace.Top).y());
    GL11.glVertex3f(1.0f, 1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Top).y());
    GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Top).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x(),
            b.getTextureCoordinates(BlockFace.Top).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, 1.0f, 1.0f);

    // Bottom.
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x(),
            b.getTextureCoordinates(BlockFace.Bottom).y());
    GL11.glVertex3f(1.0f, -1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Bottom).y());
    GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Bottom).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x(),
            b.getTextureCoordinates(BlockFace.Bottom).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, -1.0f, -1.0f);

    // Front.
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x(),
            b.getTextureCoordinates(BlockFace.Front).y());
    GL11.glVertex3f(1.0f, 1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Front).y());
    GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Front).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x(),
            b.getTextureCoordinates(BlockFace.Front).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, -1.0f, 1.0f);

    // Back.
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x(), b.getTextureCoordinates(BlockFace.Back).y());
    GL11.glVertex3f(1.0f, -1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Back).y());
    GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Back).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x(),
            b.getTextureCoordinates(BlockFace.Back).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, 1.0f, -1.0f);

    // Left
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x(), b.getTextureCoordinates(BlockFace.Left).y());
    GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Left).y());
    GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Left).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x(),
            b.getTextureCoordinates(BlockFace.Left).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(-1.0f, -1.0f, 1.0f);

    // Right.
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x(),
            b.getTextureCoordinates(BlockFace.Right).y());
    GL11.glVertex3f(1.0f, 1.0f, -1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Right).y());
    GL11.glVertex3f(1.0f, 1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x() + Globals.TEXTURE_SIZE,
            b.getTextureCoordinates(BlockFace.Right).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, -1.0f, 1.0f);
    GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x(),
            b.getTextureCoordinates(BlockFace.Right).y() + Globals.TEXTURE_SIZE);
    GL11.glVertex3f(1.0f, -1.0f, -1.0f);
    GL11.glEnd();
    GL11.glTranslatef(0f, 0f, 0f);
    GL11.glPopMatrix();
}

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From source file:net.minecraft.client.gui.fonts.GlyphCache.java

License:Open Source License

/**
 * Allocate a new OpenGL texture for caching pre-rendered glyph images. The
 * new texture is initialized to fully transparent white so the individual
 * glyphs images within can have a transparent border between them. The new
 * texture remains bound after returning from the function.
 *
 * @todo use GL_ALPHA4 if anti-alias is turned off for even smaller textures
 *//*ww  w .  ja v a 2 s .  c om*/
private void allocateGlyphCacheTexture() {
    /* Initialize the background to all white but fully transparent. */
    glyphCacheGraphics.clearRect(0, 0, TEXTURE_WIDTH, TEXTURE_HEIGHT);

    /* Allocate new OpenGL texure */
    singleIntBuffer.clear();
    GLAllocation.generateTextureNames(singleIntBuffer);
    textureName = singleIntBuffer.get(0);

    /* Load imageBuffer with pixel data ready for transfer to OpenGL texture */
    updateImageBuffer(0, 0, TEXTURE_WIDTH, TEXTURE_HEIGHT);

    /*
     * Initialize texture with the now cleared BufferedImage. Using a texture with GL_ALPHA8 internal format may result in
     * faster rendering since the GPU has to only fetch 1 byte per texel instead of 4 with a regular RGBA texture.
     */
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureName);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_ALPHA8, TEXTURE_WIDTH, TEXTURE_HEIGHT, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, imageBuffer);

    /* Explicitely disable mipmap support becuase updateTexture() will only update the base 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);
}

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