Example usage for org.lwjgl.opengl GL31 glDrawArraysInstanced

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL31 glDrawArraysInstanced.

Prototype

public static void glDrawArraysInstanced(@NativeType("GLenum") int mode, @NativeType("GLint") int first,
        @NativeType("GLsizei") int count, @NativeType("GLsizei") int primcount) 

Source Link

Document

Draw multiple instances of a range of elements.

Usage

From source file:com.ardor3d.renderer.lwjgl.LwjglRenderer.java

License:Open Source License

@Override
public void drawArrays(final FloatBufferData vertices, final int[] indexLengths, final IndexMode[] indexModes,
        final int primcount) {
    if (indexLengths == null) {
        final int glIndexMode = getGLIndexMode(indexModes[0]);

        if (primcount < 0) {
            GL11.glDrawArrays(glIndexMode, 0, vertices.getTupleCount());
        } else {//w w  w  .ja  va  2s .c  o  m
            GL31.glDrawArraysInstanced(glIndexMode, 0, vertices.getTupleCount(), primcount);
        }

        if (Constants.stats) {
            addStats(indexModes[0], vertices.getTupleCount());
        }
    } else {
        int offset = 0;
        int indexModeCounter = 0;
        for (int i = 0; i < indexLengths.length; i++) {
            final int count = indexLengths[i];

            final int glIndexMode = getGLIndexMode(indexModes[indexModeCounter]);

            if (primcount < 0) {
                GL11.glDrawArrays(glIndexMode, offset, count);
            } else {
                GL31.glDrawArraysInstanced(glIndexMode, offset, count, primcount);
            }

            if (Constants.stats) {
                addStats(indexModes[indexModeCounter], count);
            }

            offset += count;

            if (indexModeCounter < indexModes.length - 1) {
                indexModeCounter++;
            }
        }
    }
}

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From source file:com.badlogic.gdx.backends.jglfw.JglfwGL30.java

License:Apache License

@Override
public void glDrawArraysInstanced(int mode, int first, int count, int instanceCount) {
    GL31.glDrawArraysInstanced(mode, first, count, instanceCount);
}

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From source file:com.grillecube.client.opengl.GLH.java

public static void glhDrawArraysInstanced(int mode, int first, int count, int primcount) {
    GL31.glDrawArraysInstanced(mode, first, count, primcount);
    theContext.incrementDrawCalls();/*from   w  w  w  .  j ava  2s.  c o m*/
    theContext.increaseVerticesDrawn(3 * count);
}

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From source file:com.grillecube.engine.opengl.GLH.java

public static void glhDrawArraysInstanced(int mode, int first, int count, int primcount) {
    GL31.glDrawArraysInstanced(mode, first, count, primcount);
    _context.incrementDrawCalls();//from  w w  w  . ja  va  2 s  .com
    _context.increaseVerticesDrawn(3 * count);
}

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

License:Open Source License

/**
 * Performs instanced rendering on the given vertex data, using the given
 * primitive mode. The instance ID may be read as by a vertex shader as
 * {@code gl_InstanceID}./*from w  ww. java 2  s  . co m*/
 * 
 * @param <T> A type of vertex data.
 * @param data The vertex data to render.
 * @param mode An OpenGL primitive draw mode.
 * @param primcount The number of instances to render.
 * @return The given vertex data.
 */
public static <T extends VertexData> T drawInstanced(T data, int mode, int primcount) {
    if (boundProgram == null)
        throw new IllegalStateException("No shader program is in use.");

    int verts = data.numVertices();
    int inds = data.numIndices();

    VAO.bindFor(data, boundProgram, () -> {
        if (inds < 0)
            GL31.glDrawArraysInstanced(mode, 0, verts, primcount);
        else
            GL31.glDrawElementsInstanced(mode, inds, GL11.GL_UNSIGNED_INT, 0, primcount);
    });

    return data;
}

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From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

public void drawCallInstanced(int count) {
    if (vboiId != GL11.GL_INVALID_VALUE) {
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL31.glDrawElementsInstanced(drawMode, countElements, GL11.GL_UNSIGNED_SHORT, 0, count);
    } else {/*from  w w w  .  j ava  2  s .c  o  m*/
        GL31.glDrawArraysInstanced(drawMode, 0, countElements, count);
    }
}

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From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static void glDrawArraysInstanced(int mode, int first, int count, int instanceCount) {
    GL31.glDrawArraysInstanced(mode, first, count, instanceCount);
}

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From source file:org.spout.engine.renderer.GL40BatchVertexRenderer.java

License:Open Source License

/**
 * Draws this batch/*from w  ww  . j a  va 2s.com*/
 */
@Override
public void doDraw(RenderMaterial material, int elements, int instances) {
    GL30.glBindVertexArray(vao);
    SpoutRenderer.checkGLError();

    material.assign();

    GL31.glDrawArraysInstanced(renderMode, 0, elements, instances);
    SpoutRenderer.checkGLError();
}

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From source file:org.spout.engine.renderer.GLBatchInstanceRenderer.java

License:Open Source License

/**
 * Draws this batch//from w  ww  .  j a v  a2 s  .com
 */
@Override
public void doDraw(RenderMaterial material, int elements, int instances) {
    GL30.glBindVertexArray(vao);
    SpoutRenderer.checkGLError();

    material.assign();

    //System.out.println("glDrawArrays");
    // RenderModer, ? , Type of index of instance, ? , ?
    GL31.glDrawArraysInstanced(renderMode, 0, elements, instances);
    SpoutRenderer.checkGLError();

    //GL30.glBindVertexArray(0); //Run without
}

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From source file:tk.ivybits.engine.gl.GL.java

License:Open Source License

public static void glDrawArraysInstanced(int a, int b, int c, int d) {
    GL31.glDrawArraysInstanced(a, b, c, d);
}

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