Example usage for org.lwjgl.opengl GL13 GL_TEXTURE0

List of usage examples for org.lwjgl.opengl GL13 GL_TEXTURE0

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL13 GL_TEXTURE0.

Prototype

int GL_TEXTURE0

To view the source code for org.lwjgl.opengl GL13 GL_TEXTURE0.

Click Source Link

Document

Accepted by the texture parameter of ActiveTexture and MultiTexCoord.

Usage

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

License:Open Source License

public void render() {

    // bind stuff
    shader.bind();//ww w .  j  a  va 2s .  com
    GL30.glBindVertexArray(vaoId);
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // draw it!
    GL11.glDrawElements(GL11.GL_TRIANGLES, 6, GL11.GL_UNSIGNED_BYTE, 0);

    // unbind things
    GL30.glBindVertexArray(0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTexture.java

License:Open Source License

public void use(int textureUnit) {
    if (textureUnit >= 0) {
        GL13.glActiveTexture(GL13.GL_TEXTURE0 + textureUnit);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, getTextureId());
    }//  www  . j ava  2s .  co  m
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureArray.java

License:Open Source License

@Override
public void use(int textureUnit) {
    if (textureUnit >= 0) {
        GL13.glActiveTexture(GL13.GL_TEXTURE0 + textureUnit);
        GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, getTextureId());
    }/* ww  w  . jav a2  s.c  om*/
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureArrayBuilder.java

License:Open Source License

@Override
public GLTextureArray createTexture() {
    try {//w ww. j  a  v a2s  .c o  m
        int files = filePaths.length;
        byte[][] imageData = new byte[files][];
        int totalSize = 0;
        int imageWidth = 0;
        int imageHeight = 0;
        // read in files
        for (int file = 0; file < files; file++) {
            InputStream inputStream = new FileInputStream(filePaths[file]);
            BufferedImage image = ImageIO.read(inputStream);

            if (file > 0)
                if (imageWidth != image.getWidth() | imageHeight != image.getHeight())
                    ML.f("Incompatible images in 3D texture...");

            imageWidth = image.getWidth();
            imageHeight = image.getHeight();

            imageData[file] = GLPNGLoader.loadPNG(image);
            totalSize += imageData[file].length;
        }

        // store in consecutive buffer
        ByteBuffer buffer = ByteBuffer.allocateDirect(totalSize);
        for (int file = 0; file < files; file++) {
            byte[] singleImageData = imageData[file];
            for (int i = 0; i < singleImageData.length; i++)
                buffer.put(singleImageData[i]);
        }

        buffer.flip();

        int textureId = GL11.glGenTextures();
        GLRenderer2Stage.errorCheck("generating texture id");

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GLRenderer2Stage.errorCheck("activating texture image unit");

        GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, textureId);
        GLRenderer2Stage.errorCheck("binding 2d texture array");

        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GLRenderer2Stage.errorCheck("setting unpack aligment");

        GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, imageWidth, imageHeight, files, 0,
                GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buffer);
        GLRenderer2Stage.errorCheck("storing 2d texture array data");

        GL30.glGenerateMipmap(GL30.GL_TEXTURE_2D_ARRAY);
        GLRenderer2Stage.errorCheck("generating 2d texture array mipmaps");

        GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
        GLRenderer2Stage.errorCheck("unbinding 2d texture array");

        return new GLTextureArray(name, textureId);
    } catch (Exception e) {
        ML.f(e);
    }
    return null;
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

public static GLTexture createEmptyTexture(String name, int width, int height, byte r, byte g, byte b, byte a) {
    try {//w w  w  . ja va 2  s  . c om
        int textureId = GL11.glGenTextures();

        ByteBuffer buffer = ByteBuffer.allocateDirect(width * height * 4);

        for (int i = 0; i < width * height; i++) {
            buffer.put(r);
            buffer.put(g);
            buffer.put(b);
            buffer.put(a);
        }
        buffer.flip();

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, buffer);
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

        return new GLTexture(name, textureId);
    } catch (Exception e) {
        ML.f(e);
    }
    return null;
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

public static GLTexture createEmptyTexture(String name, int width, int height, float initial) {
    try {//from   w w  w  .  j av  a 2 s  .  c  o m
        int textureId = GL11.glGenTextures();

        ByteBuffer buffer = ByteBuffer.allocateDirect(width * height * 4);

        for (int i = 0; i < width * height * 4; i++) {
            buffer.put((byte) 0);
        }
        buffer.flip();

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_DEPTH_COMPONENT, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, buffer);
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

        return new GLTexture(name, textureId);
    } catch (Exception e) {
        ML.f(e);
    }
    return null;
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

private int createRGBTexture(BufferedImage image, byte[] x) {
    ByteBuffer buffer;// www.j a  v  a 2s.  com

    buffer = ByteBuffer.allocateDirect(x.length);
    for (int i = 0; i < x.length; i++) {
        buffer.put(x[i]);
    }

    buffer.flip();

    int textureId = GL11.glGenTextures();
    GLRenderer2Stage.errorCheck("generating texture id");

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GLRenderer2Stage.errorCheck("activating texture image unit");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
    GLRenderer2Stage.errorCheck("binding 2d texture");

    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
    GLRenderer2Stage.errorCheck("setting unpack aligment");

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, image.getWidth(), image.getHeight(), 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buffer);
    GLRenderer2Stage.errorCheck("storing 2d texture data");

    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    GLRenderer2Stage.errorCheck("generating 2d texture array mipmaps");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GLRenderer2Stage.errorCheck("unbinding 2d texture array");
    return textureId;
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

private int createGrayscaleTexture(BufferedImage image, byte[] x) {
    ShortBuffer buffer;/*from   ww  w  .ja v  a 2 s.  com*/

    buffer = BufferUtils.createShortBuffer(image.getHeight() * image.getWidth());
    for (int i = 0; i < x.length; i += 2) {
        short val = (short) (fromByte(x[i]) + (fromByte(x[i + 1]) << 8));
        buffer.put(val);
    }

    buffer.flip();

    int textureId = GL11.glGenTextures();
    GLRenderer2Stage.errorCheck("generating texture id");

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GLRenderer2Stage.errorCheck("activating texture image unit");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
    GLRenderer2Stage.errorCheck("binding 2d texture");

    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 2);
    GLRenderer2Stage.errorCheck("setting unpack aligment");

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL30.GL_R16, image.getWidth(), image.getHeight(), 0, GL11.GL_RED,
            GL11.GL_UNSIGNED_SHORT, buffer);
    GLRenderer2Stage.errorCheck("storing 2d texture data");

    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    GLRenderer2Stage.errorCheck("generating 2d texture array mipmaps");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GLRenderer2Stage.errorCheck("unbinding 2d texture array");
    return textureId;
}

From source file:engine.render.TexturedQuad.java

public void renderQuad() {

    int shaderID = shader.getProgramID();
    GL20.glUseProgram(shaderID);/*from   w w w .  j a  va 2 s.  co m*/
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, tex.getTextureID());

    GL30.glBindVertexArray(vaoId);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    glUniform2f(glGetUniformLocation(shaderID, "scale"), scale.x, scale.y);
    glUniform2f(glGetUniformLocation(shaderID, "translation"), translation.x, translation.y);
    glUniform2f(glGetUniformLocation(shaderID, "cameraOffset"), cameraOffset.x, cameraOffset.y);
    glUniform1f(glGetUniformLocation(shaderID, "rotation"), rotation);
    glUniform2f(glGetUniformLocation(shaderID, "resolution"), resolution.x, resolution.y);

    GL11.glDrawElements(GL11.GL_TRIANGLES, indicesCount, GL11.GL_UNSIGNED_BYTE, 0);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);
    glDisable(GL_BLEND);
    GL20.glUseProgram(0);
}

From source file:eu.over9000.veya.rendering.Scene.java

License:Open Source License

public Scene(final long seed) {
    this.alive = new AtomicBoolean(true);
    this.world = new World(seed, "Keaysea");
    this.texture_handle = TextureLoader.loadBlockTexture(GL13.GL_TEXTURE0);

    this.shadow = new Shadow();

    this.light = new Light(-200, 400, -40, 0.9f, 0.9f, 0.45f, 0.33f, 0.33f, 0.33f);

    final Runnable displayedChunkUpdater = () -> {
        while (Scene.this.alive.get()) {
            synchronized (Scene.this.lock) {
                try {
                    while (!Scene.this.camPosChanged) {
                        Scene.this.lock.wait();
                    }/*www .  j  av a2s .c om*/
                } catch (final InterruptedException e) {
                    if (!Scene.this.alive.get()) {
                        return;
                    }
                    e.printStackTrace();
                }
                Scene.this.camPosChanged = false;
            }

            Scene.this.updateDisplayedChunks();
            world.clearCache(centerChunk, SCENE_CHUNK_CACHE_RANGE);
        }
    };

    final Runnable offRenderChunkUpdater = () -> {
        while (Scene.this.alive.get()) {
            try {
                final Chunk toUpdate = toUpdateOffRender.take();
                ChunkVAO chunkVAO = new ChunkVAO(toUpdate);
                updatedUpdateOffRender.add(new ChunkChunkVAOPair(toUpdate, chunkVAO));
                chunkUpdateCounterOffRender.incrementAndGet();
            } catch (InterruptedException e) {
                if (!Scene.this.alive.get()) {
                    return;
                }
                e.printStackTrace();
            }

        }
    };

    this.displayedChunkUpdaterThread = new Thread(displayedChunkUpdater, "DisplayedChunkUpdater");
    this.displayedChunkUpdaterThread.start();

    this.chunkVAOUpdateOffRenderThread = new Thread(offRenderChunkUpdater, "OffRenderChunkUpdater");
    this.chunkVAOUpdateOffRenderThread.start();

}