Example usage for org.lwjgl.opengl GL20 glUseProgram

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glUseProgram.

Prototype

public static void glUseProgram(@NativeType("GLuint") int program)

Source Link

Document

Installs a program object as part of current rendering state.

Usage

From source file:org.terasology.rendering.opengl.GLSLMaterial.java

License:Apache License

@Override
public void setMatrix3(String desc, FloatBuffer value, boolean currentOnly) {
    if (isDisposed()) {
        return;//w  ww .  j  a v  a  2  s.c  om
    }
    if (currentOnly) {
        enable();
        int id = getUniformLocation(getActiveShaderProgramId(), desc);
        GL20.glUniformMatrix3(id, false, value);
    } else {
        TIntIntIterator it = shaderPrograms.iterator();
        while (it.hasNext()) {
            it.advance();

            GL20.glUseProgram(it.value());
            int id = getUniformLocation(it.value(), desc);
            GL20.glUniformMatrix3(id, false, value);
        }

        restoreStateAfterUniformsSet();
    }
}

From source file:org.terasology.rendering.opengl.GLSLMaterial.java

License:Apache License

@Override
public void setMatrix4(String desc, Matrix4f value, boolean currentOnly) {
    if (isDisposed()) {
        return;//from  ww w . j  av a  2s. c o m
    }
    if (currentOnly) {
        enable();
        int id = getUniformLocation(getActiveShaderProgramId(), desc);
        GL20.glUniformMatrix4(id, false, MatrixUtils.matrixToFloatBuffer(value));
    } else {
        TIntIntIterator it = shaderPrograms.iterator();
        while (it.hasNext()) {
            it.advance();

            GL20.glUseProgram(it.value());
            int id = getUniformLocation(it.value(), desc);
            GL20.glUniformMatrix4(id, false, MatrixUtils.matrixToFloatBuffer(value));
        }

        restoreStateAfterUniformsSet();
    }
}

From source file:org.terasology.rendering.opengl.GLSLMaterial.java

License:Apache License

@Override
public void setMatrix4(String desc, FloatBuffer value, boolean currentOnly) {
    if (isDisposed()) {
        return;/* w  w w.jav  a  2  s  . c  o  m*/
    }
    if (currentOnly) {
        enable();
        int id = getUniformLocation(getActiveShaderProgramId(), desc);
        GL20.glUniformMatrix4(id, false, value);
    } else {
        TIntIntIterator it = shaderPrograms.iterator();
        while (it.hasNext()) {
            it.advance();

            GL20.glUseProgram(it.value());
            int id = getUniformLocation(it.value(), desc);
            GL20.glUniformMatrix4(id, false, value);
        }

        restoreStateAfterUniformsSet();
    }
}

From source file:org.terasology.rendering.opengl.GLSLMaterial.java

License:Apache License

private void restoreStateAfterUniformsSet() {
    if (shaderManager.getActiveMaterial() == this) {
        GL20.glUseProgram(getActiveShaderProgramId());
    } else {/*from   w  ww .  j  ava  2s.  c o  m*/
        enable();
    }
}

From source file:org.terasology.rendering.shader.ShaderProgram.java

License:Apache License

public void enable() {
    ShaderProgram activeProgram = ShaderManager.getInstance().getActiveShaderProgram();

    if (activeProgram != this) {
        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL20.glUseProgram(shaderProgram);

        // Make sure the shader manager knows that this program is currently active
        ShaderManager.getInstance().setActiveShaderProgram(this);

        // Set the shader parameters if available
        if (parameters != null) {
            parameters.applyParameters(this);
        }/*from  w w  w  . j a  va  2 s  . co m*/
    }
}

From source file:org.terasology.rendering.ShaderManager.java

License:Apache License

public void disableShader() {
    GL20.glUseProgram(0);
    activeMaterial = null;
}

From source file:org.terasology.rendering.ShaderManagerLwjgl.java

License:Apache License

@Override
public void disableShader() {
    GL20.glUseProgram(0);
    activeMaterial = null;
}

From source file:ovh.tgrhavoc.gameengine.core.Shader.java

License:Open Source License

public void bind() {
    GL20.glUseProgram(pointer);
}

From source file:playn.java.JavaGL20.java

License:Apache License

@Override
public void glUseProgram(int program) {
    GL20.glUseProgram(program);
}

From source file:processing.lwjgl.PGL.java

License:Open Source License

public void useProgram(int prog) {
    GL20.glUseProgram(prog);
}