Example usage for org.lwjgl.opengl ARBFragmentProgram GL_FRAGMENT_PROGRAM_ARB

Introduction

In this page you can find the example usage for org.lwjgl.opengl ARBFragmentProgram GL_FRAGMENT_PROGRAM_ARB.

Prototype

int GL_FRAGMENT_PROGRAM_ARB

To view the source code for org.lwjgl.opengl ARBFragmentProgram GL_FRAGMENT_PROGRAM_ARB.

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Document

Accepted by the cap parameter of Disable, Enable, and IsEnabled, by the pname parameter of GetBooleanv, GetIntegerv, GetFloatv, and GetDoublev, and by the target parameter of ProgramStringARB, BindProgramARB, ProgramEnvParameter4[df][v]ARB, ProgramLocalParameter4[df][v]ARB, GetProgramEnvParameter[df]vARB, GetProgramLocalParameter[df]vARB, GetProgramivARB and GetProgramStringARB.

Usage

From source file:com.ardor3d.scene.state.lwjgl.LwjglFragmentProgramStateUtil.java

License:Open Source License

private static int create(final ByteBuffer program) {

    final IntBuffer buf = BufferUtils.createIntBuffer(1);

    ARBProgram.glGenProgramsARB(buf);//from   w w  w .j  a v a  2s.  c  o m
    ARBProgram.glBindProgramARB(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB, buf.get(0));
    ARBProgram.glProgramStringARB(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB,
            ARBProgram.GL_PROGRAM_FORMAT_ASCII_ARB, program);

    checkProgramError();

    return buf.get(0);
}

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From source file:com.ardor3d.scene.state.lwjgl.LwjglFragmentProgramStateUtil.java

License:Open Source License

public static void apply(final FragmentProgramState state) {
    final RenderContext context = ContextManager.getCurrentContext();
    if (context.getCapabilities().isFragmentProgramSupported()) {
        final FragmentProgramStateRecord record = (FragmentProgramStateRecord) context
                .getStateRecord(StateType.FragmentProgram);
        context.setCurrentState(StateType.FragmentProgram, state);

        if (!record.isValid() || record.getReference() != state) {
            record.setReference(state);/*from   ww w. j  av a  2s .  co  m*/
            if (state.isEnabled()) {
                // Fragment program not yet loaded
                if (state._getProgramID() == -1) {
                    if (state.getProgramAsBuffer() != null) {
                        final int id = create(state.getProgramAsBuffer());
                        state._setProgramID(id);
                    } else {
                        return;
                    }
                }

                GL11.glEnable(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB);
                ARBProgram.glBindProgramARB(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB, state._getProgramID());

                // load environmental parameters...
                // TODO: Reevaluate how this is done.
                /*
                 * for (int i = 0; i < envparameters.length; i++) if (envparameters[i] != null)
                 * ARBFragmentProgram.glProgramEnvParameter4fARB( ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB, i,
                 * envparameters[i][0], envparameters[i][1], envparameters[i][2], envparameters[i][3]);
                 */

                // load local parameters...
                if (state.isUsingParameters()) {
                    // no parameters are used
                    for (int i = 0; i < state._getParameters().length; i++) {
                        if (state._getParameters()[i] != null) {
                            ARBProgram.glProgramLocalParameter4fARB(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB,
                                    i, state._getParameters()[i][0], state._getParameters()[i][1],
                                    state._getParameters()[i][2], state._getParameters()[i][3]);
                        }
                    }
                }

            } else {
                GL11.glDisable(ARBFragmentProgram.GL_FRAGMENT_PROGRAM_ARB);
            }
        }

        if (!record.isValid()) {
            record.validate();
        }
    }
}

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