Example usage for org.lwjgl.opengl GL13 GL_TEXTURE0

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.

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Document

Accepted by the texture parameter of ActiveTexture and MultiTexCoord.

Usage

From source file:com.grillecube.client.renderer.particles.ParticleRenderer.java

/**
 * render every given billoaded particles with the given camera (billboarded
 * = textured quad facing the camera)//w w w.java 2s .c  o m
 */
public final void renderBillboardedParticles(CameraProjective camera,
        ArrayList<ParticleBillboarded> particles) {
    if (particles.size() == 0) {
        return;
    }
    GL13.glActiveTexture(GL13.GL_TEXTURE0 + 0); // Texture unit 0

    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    this.programBillboardedParticles.useStart();
    this.getMainRenderer().getDefaultVAO().bind();

    this.programBillboardedParticles.loadGlobalUniforms(camera);

    HashMap<ParticleBillboarded, Double> distances = new HashMap<ParticleBillboarded, Double>(
            particles.size() * 4);
    for (ParticleBillboarded particle : particles) {
        distances.put(particle, Vector3f.distanceSquare(particle.getPosition(), camera.getPosition()));
    }
    particles.sort(new Comparator<ParticleBillboarded>() {
        @Override
        public int compare(ParticleBillboarded a, ParticleBillboarded b) {
            double da = distances.get(a);
            double db = distances.get(b);
            if (da < db) {
                return (1);
            } else if (da > db) {
                return (-1);
            }
            return (0);
        }
    });

    int i = 0;
    while (i < particles.size()) {
        ParticleBillboarded particle = particles.get(i);
        float radius = Maths.max(Maths.max(particle.getSizeX(), particle.getSizeY()), particle.getSizeZ());
        if (particle != null && distances.get(particle) < camera.getSquaredRenderDistance()
                && camera.isSphereInFrustum(particle.getPosition(), radius)) {
            this.programBillboardedParticles.loadInstanceUniforms(particle);
            this.getMainRenderer().getDefaultVAO().draw(GL11.GL_POINTS, 0, 1);
        }
        ++i;
    }
}

---

From source file:com.grillecube.client.renderer.particles.ProgramParticleBillboarded.java

/** load particle instance uniforms */
public void loadInstanceUniforms(ParticleBillboarded particle) {
    particle.getSprite().getTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);
    if (particle.isGlowing()) {
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
    } else {/*from  w w w.  j av  a2s. co  m*/
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    }
    super.loadUniformInteger(this._lines, particle.getSprite().getLines());
    super.loadUniformInteger(this._cols, particle.getSprite().getCols());
    super.loadUniformInteger(this._maxhealth, particle.getMaxHealth());
    super.loadUniformInteger(this._health, particle.getHealth());

    super.loadUniformVec(this._color, particle.getColor());
    super.loadUniformVec(this._position, particle.getPosition());
    super.loadUniformVec(this._scale, particle.getSize());
}

---

From source file:com.grillecube.client.renderer.world.TerrainRenderer.java

private final void bindTextureAtlas(TerrainMesh mesh, CameraView camera) {

    float distance = (float) Vector3f.distance(camera.getPosition(), mesh.getTerrain().getWorldPosCenter());
    BlockRendererManager manager = this.getMainRenderer().getResourceManager().getBlockTextureManager();
    GLTexture texture = null;//  w  w w . j  a  va2 s .  c o  m

    if (distance < Terrain.SIZE_DIAGONAL3 * 1) {
        texture = manager.getTextureAtlas(BlockRendererManager.RESOLUTION_16x16);
    } else if (distance < Terrain.SIZE_DIAGONAL3 * 2.0f) {
        texture = manager.getTextureAtlas(BlockRendererManager.RESOLUTION_8x8);
    } else if (distance < Terrain.SIZE_DIAGONAL3 * 3.0f) {
        texture = manager.getTextureAtlas(BlockRendererManager.RESOLUTION_4x4);
    } else if (distance < Terrain.SIZE_DIAGONAL3 * 4.0f) {
        texture = manager.getTextureAtlas(BlockRendererManager.RESOLUTION_2x2);
    } else {
        texture = manager.getTextureAtlas(BlockRendererManager.RESOLUTION_1x1);
    }

    if (texture != null) {
        texture.bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);
    }
    this.breakAtlas.bind(GL13.GL_TEXTURE1, GL11.GL_TEXTURE_2D);

}

---

From source file:com.grillecube.client.renderer.world.WorldRenderer.java

private void renderPostProcessingEffects() {

    if (this.postProcessingProgram != null) {
        // bind the fbo texture to texture attachment 0
        this.getFBOTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);

        this.postProcessingProgram.useStart();
        this.postProcessingProgram.loadUniforms((float) super.getTimer().getTime());
        this.getMainRenderer().getDefaultVAO().bind();
        GLH.glhDrawArrays(GL11.GL_POINTS, 0, 1);
        this.postProcessingProgram.useStop();
    }/*from   w ww  .  ja  v  a  2  s.c  om*/
}

---

From source file:com.grillecube.engine.opengl.object.GLTexture.java

/** set pixels data */
public void setData(BufferedImage img) {
    if (img == null) {
        return;//from  w ww  . j a v a 2  s.c om
    }

    byte[] pixels = ImageUtils.getImagePixels(img);
    ByteBuffer buffer = BufferUtils.createByteBuffer(pixels.length);
    buffer.put(pixels);
    buffer.flip();

    this.bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);

    this.image2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, img.getWidth(), img.getHeight(), 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buffer);

    this.parameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    this.parameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    this.unbind(GL11.GL_TEXTURE_2D);

    this._width = img.getWidth();
    this._height = img.getHeight();
}

---

From source file:com.grillecube.engine.renderer.gui.font.FontModel.java

/** render this font model */
public void render() {
    if (this.hasState(FontModel.STATE_INITIALIZED) == false) {
        this.initialize();
    }/*from w  w  w . j  av  a 2  s .c  o  m*/

    if (this.hasState(FontModel.STATE_TEXT_UP_TO_DATE) == false) {
        this.updateText();
    }

    if (this._vertex_count == 0 || this._font == null) {
        return;
    }

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    this._vao.bind();

    this._font.getTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);
    this._vao.draw(GL11.GL_TRIANGLES, 0, this._vertex_count);
}

---

From source file:com.grillecube.engine.renderer.MainRenderer.java

private void renderFinalImage() {

    // bind the fbo texture to texture attachment 0
    this.getFBOTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);

    this._final_process_program.useStart();
    this._final_process_program.loadUniforms(this);
    this._default_vao.bind();
    GLH.glhDrawArrays(GL11.GL_POINTS, 0, 1);
    this._final_process_program.useStop();
}

---

From source file:com.grillecube.engine.renderer.MainRenderer.java

private void renderPostProcessingEffects() {

    if (this._post_processing_program != null) {

        // bind the fbo texture to texture attachment 0
        this.getFBOTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);

        this._post_processing_program.useStart();
        this._post_processing_program.loadUniforms(this);
        this._default_vao.bind();
        GLH.glhDrawArrays(GL11.GL_POINTS, 0, 1);
        this._post_processing_program.useStop();
    }//from  w  w  w .  j a va2s  .c  o  m
}

---

From source file:com.grillecube.engine.renderer.world.particles.ParticleRenderer.java

/** render every quad particles */
private void renderBillboardedParticles(World world, CameraProjectiveWorld camera) {
    if (this._billboarded_particles.size() == 0) {
        return;//from  w w w .  jav a2 s .  c o  m
    }
    GL13.glActiveTexture(GL13.GL_TEXTURE0 + 0); // Texture unit 0

    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    this._program_billboarded_particle.useStart();
    this.getParent().getDefaultVAO().bind();

    this._program_billboarded_particle.loadGlobalUniforms(camera);
    this._billboarded_particles.sort(this._particle_comparator);

    int i = 0;
    while (i < this._billboarded_particles.size()) {

        ParticleBillboarded particle = this._billboarded_particles.get(i);
        float radius = Maths.max(particle.getScale().x, particle.getScale().y);
        if (particle != null && particle.getCameraSquareDistance() < camera.getSquaredRenderDistance()
                && camera.isSphereInFrustum(particle.getPosition(), radius)) {
            this._program_billboarded_particle.loadInstanceUniforms(particle);
            this.getParent().getDefaultVAO().draw(GL11.GL_POINTS, 0, 1);
        }
        ++i;
    }
}

---

From source file:com.grillecube.engine.renderer.world.particles.ProgramParticleBillboarded.java

/** load particle instance uniforms */
public void loadInstanceUniforms(ParticleBillboarded particle) {
    particle.getSprite().getTexture().bind(GL13.GL_TEXTURE0, GL11.GL_TEXTURE_2D);
    if (particle.isGlowing()) {
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
    } else {//from w w  w.java2 s  .  c o  m
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    }
    super.loadUniformInteger(this._lines, particle.getSprite().getLines());
    super.loadUniformInteger(this._cols, particle.getSprite().getCols());
    super.loadUniformInteger(this._maxhealth, particle.getMaxHealth());
    super.loadUniformInteger(this._health, particle.getHealth());

    super.loadUniformVec(this._color, particle.getColor());
    super.loadUniformVec(this._position, particle.getPosition());
    super.loadUniformVec(this._scale, particle.getScale());
}

---

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