Example usage for org.lwjgl.opengl GL11 GL_NEAREST

Introduction

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

Prototype

int GL_NEAREST

To view the source code for org.lwjgl.opengl GL11 GL_NEAREST.

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Document

TextureMagFilter

Usage

From source file:com.runescape.client.revised.editor.modelviewer.Generator.java

License:Open Source License

public void draw() {
    GL11.glBegin(GL11.GL_QUADS);/*from w w  w  . j  av a2  s  .co m*/
    for (int i = 0; i < this.particleCount; i++) {
        if (this.particles[i] != null) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, this.decParticle.getWidth(),
                    this.decParticle.getHeight(), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, this.bufParticle);
            GL11.glBindTexture(GL11.GL_ADD, GL11.GL_LOAD);
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, 1);
            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.glPushMatrix();
            GL11.glTranslated(this.particles[i].x + (Main.getMain().getCanvas().getX() / 2),
                    this.particles[i].y + (Main.getMain().getCanvas().getY() / 2), 0);
            this.particles[i].draw();
            GL11.glPopMatrix();
        }
    }
    GL11.glEnd();
}

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From source file:com.samrj.devil.gl.DGL.java

License:Open Source License

/**
 * Blits the currently bound read buffer into the bound draw frame buffer.
 * Assumes the buffers are of equal dimensions and have compatible formats.
 * /*from   w  ww .ja v  a  2s  .  c  om*/
 * @param width The width of both buffers.
 * @param height The height of both buffers.
 * @param mask The bitwise OR of the flags indicating which buffers are to
 *        be copied. The allowed flags are GL_COLOR_BUFFER_BIT,
 *        GL_DEPTH_BUFFER_BIT and GL_STENCIL_BUFFER_BIT.
 */
public static void blitFBO(int width, int height, int mask) {
    GL30.glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, mask, GL11.GL_NEAREST);
}

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From source file:com.samrj.devil.ui.AtlasFont.java

License:Open Source License

public AtlasFont(String directory, String fontFile) throws IOException {
    if (!directory.endsWith("/"))
        directory += "/";

    InputStream inputStream = Resource.open(directory + fontFile);
    LittleEndianInputStream in = new LittleEndianInputStream(inputStream);

    //HEADER/*from   ww w.j  ava  2s  . c  o  m*/
    ensureByte(in, 66, MSG_ERROR_FORMAT);
    ensureByte(in, 77, MSG_ERROR_FORMAT);
    ensureByte(in, 70, MSG_ERROR_FORMAT);
    ensureByte(in, 3, MSG_ERROR_FORMAT);

    //INFO BLOCK
    ensureByte(in, 1, "Expected info block first.");
    skip(in, 18); //Skip rest of info block
    name = in.readNullTermStr();

    //COMMON BLOCK
    ensureByte(in, 2, "Expected common block second.");
    skip(in, 4); //Skip info block size
    lineHeight = in.readLittleUnsignedShort();
    baseHeight = lineHeight - in.readLittleUnsignedShort();
    skip(in, 4);
    int pages = in.readLittleUnsignedShort();
    if (pages != 1)
        throw new IOException("Only one page texture supported.");
    if ((in.read() & 128) != 0)
        throw new IOException("Channel-packed fonts not supported.");
    ensureByte(in, 0, "Alpha channel must contain glyph data.");
    skip(in, 3);

    //PAGES BLOCK
    ensureByte(in, 3, "Expected pages block third.");
    skip(in, 4);
    String texFile = in.readNullTermStr();

    Image image = DGL.loadImage(directory + texFile);
    if (!Util.isPower2(image.width) || !Util.isPower2(image.height))
        throw new IOException("Texture dimensions must be powers of two.");
    if (image.bands != 1)
        throw new IOException("Texture format must have one band.");

    texture = DGL.genTex2D();
    texture.image(image, GL11.GL_ALPHA8);
    texture.bind();
    texture.parami(GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    texture.parami(GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
    DGL.delete(image);

    //CHARS BLOCK
    ensureByte(in, 4, "Expected chars block fourth.");
    int numChars = in.readLittleInt() / 20;

    List<Char> charList = new ArrayList<>(numChars);
    int minChar = Integer.MAX_VALUE, maxChar = -1;
    for (int i = 0; i < numChars; i++) {
        Char c = new Char(in, texture.getWidth(), texture.getHeight());
        charList.add(c);
        if (c.id < minChar)
            minChar = c.id;
        if (c.id > maxChar)
            maxChar = c.id;
    }

    chars = new Char[maxChar - minChar + 1];
    for (Char c : charList)
        chars[c.id - minChar] = c;
    firstCharID = minChar;

    in.close();

    stream = DGL.genVertexStream(1024, -1);
    pos = stream.vec2("in_pos");
    coord = stream.vec2("in_tex_coord");
    stream.begin();
}

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From source file:com.sriramramani.droid.inspector.ui.InspectorCanvas.java

License:Mozilla Public License

private int bindTexture(Node node, String imageData) {
    int textureId = GL11.glGenTextures();
    byte[] bitmap = Base64.decodeBase64(imageData);
    try {//from  www  .  jav  a  2 s . c o  m
        PNGDecoder decoder = new PNGDecoder(new ByteArrayInputStream(bitmap));
        int width = decoder.getWidth();
        int height = decoder.getHeight();
        ByteBuffer buffer = ByteBuffer.allocateDirect(4 * width * height);
        decoder.decode(buffer, width * 4, Format.RGBA);
        buffer.flip();

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, buffer);
    } catch (IOException e) {
        e.printStackTrace();
    }

    return textureId;
}

---

From source file:com.voxelplugineering.voxelsniper.util.TextureUtilities.java

License:Open Source License

public static int loadPNGTexture(File file, int textureUnit) {
    ByteBuffer buf = null;//from   ww w  .j a v  a2 s. co  m
    int tWidth = 0;
    int tHeight = 0;

    try {
        BufferedImage image = ImageIO.read(file);
        tWidth = image.getWidth();
        tHeight = image.getHeight();
        buf = imageToRGBABuffer(image);
    } catch (IOException e) {
        e.printStackTrace();
        if (file.getName().endsWith("debug.png")) {
            System.exit(-1);
        } else {
            return debugTexture;
        }
    }

    // Create a new texture object in memory and bind it
    int texId = GL11.glGenTextures();
    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, tWidth, tHeight, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buf);
    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_NEAREST_MIPMAP_NEAREST);

    OpenGLUtilities.checkGLError("loadPNGTexture");
    if (file.getName().endsWith("debug.png")) {
        debugTexture = texId;
    }
    return texId;
}

---

From source file:com.xrbpowered.gl.res.buffers.OffscreenBuffers.java

License:Open Source License

protected void create(int w, int h, boolean depthBuffer, boolean hdr) {
    colorTexId = GL11.glGenTextures();/*  w  w w  .j  a v a 2  s  .  c  o m*/
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, colorTexId);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, hdr ? GL30.GL_RGB16F : GL11.GL_RGB, w, h, 0, GL11.GL_RGB,
            GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);
    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.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, colorTexId,
            0);

    depthTexId = 0;
    if (depthBuffer) {
        depthTexId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthTexId);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT16, w, h, 0, GL11.GL_DEPTH_COMPONENT,
                GL11.GL_FLOAT, (ByteBuffer) null);
        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.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.glBindTexture(GL11.GL_TEXTURE_2D, 0);
        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL11.GL_TEXTURE_2D,
                depthTexId, 0);
    }
    checkStatus();
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
}

---

From source file:com.xrbpowered.gl.res.buffers.RenderTarget.java

License:Open Source License

public static void blit(RenderTarget source, RenderTarget target, boolean filter) {
    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, source.fbo);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, target.fbo);
    //      System.out.printf("[%d] %dx%d -> [%d] %dx%d\n", source.fbo, source.getWidth(), source.getHeight(), target.fbo, target.getWidth(), target.getHeight());
    GL30.glBlitFramebuffer(0, 0, source.getWidth(), source.getHeight(), 0, 0, target.getWidth(),
            target.getHeight(), GL11.GL_COLOR_BUFFER_BIT, filter ? GL11.GL_LINEAR : GL11.GL_NEAREST);
    Client.checkError();/*  w w w  . ja  v  a  2  s  .c  om*/
}

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From source file:com.xrbpowered.gl.res.textures.Texture.java

License:Open Source License

public static void setProperties(int textureType, boolean wrap, boolean filter, int anisotropy) {
    GL11.glTexParameteri(textureType, GL11.GL_TEXTURE_WRAP_S, wrap ? GL11.GL_REPEAT : GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(textureType, GL11.GL_TEXTURE_WRAP_T, wrap ? GL11.GL_REPEAT : GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(textureType, GL11.GL_TEXTURE_MAG_FILTER, filter ? GL11.GL_LINEAR : GL11.GL_NEAREST);
    GL11.glTexParameteri(textureType, GL11.GL_TEXTURE_MIN_FILTER,
            filter ? GL11.GL_LINEAR_MIPMAP_LINEAR : GL11.GL_NEAREST);
    if (filter) {
        GL30.glGenerateMipmap(textureType);
        if (anisotropy > 1) {
            GL11.glTexParameterf(textureType, EXTTextureFilterAnisotropic.GL_TEXTURE_MAX_ANISOTROPY_EXT,
                    anisotropy);/*from   w ww  .j av a2s. com*/
        }
    }
}

---

From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public void blitFBO(int srcFboId, int dstFboId, int srcX0, int srcY0, int srcX1, int srcY1, int dstX0,
        int dstY0, int dstX1, int dstY1) {
    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, srcFboId);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, dstFboId);
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, GL11.GL_COLOR_BUFFER_BIT,
            GL11.GL_NEAREST);
}

---

From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public void updateFilterState(int texID, boolean linearFilter) {
    if (linearFilter) {
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    } else {// w  ww.  ja v a  2  s . com
        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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