Java Code Examples for com.jogamp.opengl.GL4#glBindBuffer()

The following examples show how to use com.jogamp.opengl.GL4#glBindBuffer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Gl_400_primitive_instanced.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(elementBuffer);
        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return checkError(gl4, "initBuffer");
    }
 
Example 2
Source File: Gl_420_clipping.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initVertexArray(GL4 gl4) {
    gl4.glGenVertexArrays(1, vertexArrayName);
    gl4.glBindVertexArray(vertexArrayName.get(0));
    {
        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl4.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, 0);
        gl4.glVertexAttribPointer(Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, Vec2.SIZE);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
        gl4.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
    }
    gl4.glBindVertexArray(0);

    return true;
}
 
Example 3
Source File: Gl_440_transform_feedback.java    From jogl-samples with MIT License 6 votes vote down vote up
@Override
protected boolean end(GL gl) {

    GL4 gl4 = (GL4) gl;

    if (uniformPointer == null) {

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName[Buffer.TRANSFORM]);
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        BufferUtils.destroyDirectBuffer(uniformPointer);
    }

    gl4.glDeleteVertexArrays(Program.MAX, vertexArrayName, 0);
    gl4.glDeleteBuffers(Buffer.MAX, bufferName, 0);
    gl4.glDeleteProgram(programName[Program.FEEDBACK]);
    gl4.glDeleteProgram(programName[Program.TRANSFORM]);
    gl4.glDeleteProgramPipelines(Program.MAX, pipelineName, 0);
    gl4.glDeleteTransformFeedbacks(1, feedbackName, 0);

    return true;
}
 
Example 4
Source File: Gl_400_fbo_multisample.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initVertexArray(GL4 gl4) {

        gl4.glGenVertexArrays(1, vertexArrayName);
        gl4.glBindVertexArray(vertexArrayName.get(0));
        {
            gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl4.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, 0);
            gl4.glVertexAttribPointer(Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, Vec2.SIZE);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

            gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
            gl4.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);

            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        }
        gl4.glBindVertexArray(0);

        return true;
    }
 
Example 5
Source File: Gl_430_texture_copy.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        BufferUtils.destroyDirectBuffer(vertexBuffer);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl4.glBufferData(GL_UNIFORM_BUFFER, Mat4.SIZE, null, GL_DYNAMIC_DRAW);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        return true;
    }
 
Example 6
Source File: Gl_500_multi_draw_indirect_arb.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initVertexArray(GL4 gl4) {

        gl4.glGenVertexArrays(1, vertexArrayName);
        gl4.glBindVertexArray(vertexArrayName.get(0));
        {
            gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl4.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, 0);
            gl4.glVertexAttribPointer(Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, Vec2.SIZE);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

            gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
            gl4.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);

            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        }
        gl4.glBindVertexArray(0);

        return true;
    }
 
Example 7
Source File: Gl_400_texture_derivative.java    From jogl-samples with MIT License 6 votes vote down vote up
private boolean initVertexArray(GL4 gl4) {

        gl4.glGenVertexArrays(Program.MAX, vertexArrayName);
        gl4.glBindVertexArray(vertexArrayName.get(Program.TEXTURE));
        {
            gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl4.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, 0);
            gl4.glVertexAttribPointer(Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, Vec2.SIZE);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

            gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
            gl4.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);

            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        }
        gl4.glBindVertexArray(0);

        gl4.glBindVertexArray(vertexArrayName.get(Program.SPLASH));
        gl4.glBindVertexArray(0);

        return true;
    }
 
Example 8
Source File: Gl_450_culling.java    From jogl-samples with MIT License 5 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        boolean validated = true;

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        BufferUtils.destroyDirectBuffer(elementBuffer);
        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        int[] uniformBufferOffset = {0};

        gl4.glGetIntegerv(
                GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT,
                uniformBufferOffset, 0);

        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset[0]);

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl4.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        return validated;
    }
 
Example 9
Source File: Gl_430_texture_copy.java    From jogl-samples with MIT License 5 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        Mat4 model = new Mat4(1.0f);
        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 mvp = projection.mul(viewMat4()).mul(model);

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        pointer.asFloatBuffer().put(mvp.toFa_());

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedfv(0, new float[]{0, 0, windowSize.x, windowSize.y}, 0);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 0.5f, 0.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COPY));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, vertexCount, 1, 0);

    return true;
}
 
Example 10
Source File: Gl_400_fbo_shadow.java    From jogl-samples with MIT License 5 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        ByteBuffer vertexBuffer = GLBuffers.newDirectByteBuffer(vertexSize);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        for (int i = 0; i < vertexCount; i++) {
            vertexData[i].toBb(vertexBuffer, i);
        }
        vertexBuffer.rewind();
        gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl4.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);

        int uniformBlockSize = Math.max(Mat4.SIZE * 3, uniformBufferOffset.get(0));

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl4.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(elementBuffer);
        BufferUtils.destroyDirectBuffer(vertexBuffer);
        BufferUtils.destroyDirectBuffer(uniformBufferOffset);

        return checkError(gl4, "initBuffer");
    }
 
Example 11
Source File: Gl_430_program_compute.java    From jogl-samples with MIT License 5 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspectiveFov_((float) Math.PI * 0.25f, windowSize.x, windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);
        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glBindProgramPipeline(pipelineName.get(Program.COMPUTE));
    gl4.glBindBufferBase(GL_SHADER_STORAGE_BUFFER, Semantics.INPUT, bufferName.get(Buffer.INPUT));
    gl4.glBindBufferBase(GL_SHADER_STORAGE_BUFFER, Semantics.OUTPUT, bufferName.get(Buffer.OUTPUT));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glDispatchCompute(vertexCount, 1, 1);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Program.GRAPHICS));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindBufferBase(GL_SHADER_STORAGE_BUFFER, Semantics.INPUT, bufferName.get(Buffer.OUTPUT));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 
Example 12
Source File: Gl_420_buffer_uniform.java    From jogl-samples with MIT License 5 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        boolean validated = true;

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        FloatBuffer positionBuffer = GLBuffers.newDirectFloatBuffer(positionData);
        FloatBuffer diffuseBuffer = GLBuffers.newDirectFloatBuffer(new float[]{1.0f, 0.5f, 0.0f, 1.0f});

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl4.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            gl4.glBufferData(GL_UNIFORM_BUFFER, Mat4.SIZE * instances, null, GL_DYNAMIC_DRAW);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
        }

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.MATERIAL));
            gl4.glBufferData(GL_UNIFORM_BUFFER, diffuseBuffer.capacity() * Float.BYTES, diffuseBuffer, GL_STATIC_DRAW);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
        }

        BufferUtils.destroyDirectBuffer(elementBuffer);
        BufferUtils.destroyDirectBuffer(positionBuffer);
        BufferUtils.destroyDirectBuffer(diffuseBuffer);

        return validated;
    }
 
Example 13
Source File: Gl_430_texture_storage.java    From jogl-samples with MIT License 5 votes vote down vote up
private boolean initBuffer(GL4 gl4) {

        boolean validated = true;

        gl4.glGenBuffers(Buffer.MAX, bufferName);

        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        BufferUtils.destroyDirectBuffer(elementBuffer);
        gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        BufferUtils.destroyDirectBuffer(vertexBuffer);
        gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);

        int[] uniformBufferOffset = {0};
        gl4.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset, 0);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset[0]);

        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl4.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        return validated;
    }
 
Example 14
Source File: Gl_420_test_depth_conservative.java    From jogl-samples with MIT License 5 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        projection.mul(viewMat4()).mul(model).toDbb(pointer);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1.0f));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1.0f).put(1, 1.0f).put(2, 1.0f).put(3, 1.0f));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);

    return true;
}
 
Example 15
Source File: Gl_500_texture_cube_arb.java    From jogl-samples with MIT License 5 votes vote down vote up
@Override
protected boolean begin(GL gl) {

    GL4 gl4 = (GL4) gl;

    boolean validated = gl4.isExtensionAvailable("GL_ARB_seamless_cubemap_per_texture");
    validated = validated && gl4.isExtensionAvailable("GL_ARB_shader_storage_buffer_object");
    validated = validated && gl4.isExtensionAvailable("GL_ARB_buffer_storage");
    validated = validated && gl4.isExtensionAvailable("GL_ARB_multi_bind");

    if (validated) {
        validated = initProgram(gl4);
    }
    if (validated) {
        validated = initBuffer(gl4);
    }
    if (validated) {
        validated = initVertexArray(gl4);
    }
    if (validated) {
        validated = initTexture(gl4);
    }
    if (validated) {
        validated = initSampler(gl4);
    }
    
    gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
    transformPointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER,
            0, Transform.SIZE,
            GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

    return validated;
}
 
Example 16
Source File: Gl_430_atomic_counter.java    From jogl-samples with MIT License 4 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    // Setup blending
    gl4.glEnable(GL_BLEND);
    gl4.glBlendEquation(GL_FUNC_ADD);
    gl4.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);
        Mat4 mvp = projection.mul(viewMat4()).mul(model);

        mvp.toDbb(pointer);

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    IntBuffer data = IntBuffer.wrap(new int[]{0});
    gl4.glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, bufferName.get(Buffer.ATOMIC_COUNTER));
    gl4.glClearBufferSubData(GL_ATOMIC_COUNTER_BUFFER, GL_R8UI, 0, Integer.BYTES, GL_RGBA, GL_UNSIGNED_INT, data);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0.0f).put(1, 0.0f).put(2, 0.0f).put(3, 1.0f));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, bufferName.get(Buffer.ATOMIC_COUNTER));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);

    return true;
}
 
Example 17
Source File: Gl_400_transform_feedback_object.java    From jogl-samples with MIT License 4 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    // Compute the MVP (Model View Projection matrix)
    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM0));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0,
                Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    // Set the display viewport
    gl4.glViewport(0, 0, windowSize.x, windowSize.y);

    // Clear color buffer
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 1));

    // First draw, capture the attributes
    // Disable rasterisation, vertices processing only!
    gl4.glEnable(GL_RASTERIZER_DISCARD);

    gl4.glUseProgram(transformProgramName);

    gl4.glBindVertexArray(vertexArrayName.get(VertexArray.TRANSFORM_FEEDBACK));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM0));

    gl4.glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, feedbackName.get(0));
    gl4.glBeginTransformFeedback(GL_TRIANGLES);
    gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    gl4.glEndTransformFeedback();
    gl4.glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0);

    gl4.glDisable(GL_RASTERIZER_DISCARD);

    // Second draw, reuse the captured attributes
    gl4.glUseProgram(feedbackProgramName);

    gl4.glBindVertexArray(vertexArrayName.get(VertexArray.FEEDBACK));
    gl4.glDrawTransformFeedback(GL_TRIANGLES, feedbackName.get(0));

    return true;
}
 
Example 18
Source File: Gl_430_program_compute_image.java    From jogl-samples with MIT License 4 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspectiveFov_((float) Math.PI * 0.25f, windowSize.x, windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glBindProgramPipeline(pipelineName.get(Program.COMPUTE));
    gl4.glBindImageTexture(Image.POSITION_INPUT, textureName.get(Texture.POSITION_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.TEXCOORD_INPUT, textureName.get(Texture.TEXCOORD_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.COLOR_INPUT, textureName.get(Texture.COLOR_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.POSITION_OUTPUT, textureName.get(Texture.POSITION_OUTPUT), 0, false, 0,
            GL_WRITE_ONLY, GL_RGBA32F);
    gl4.glBindImageTexture(Image.TEXCOORD_OUTPUT, textureName.get(Texture.TEXCOORD_OUTPUT), 0, false, 0,
            GL_WRITE_ONLY, GL_RGBA32F);
    gl4.glBindImageTexture(Image.COLOR_OUTPUT, textureName.get(Texture.COLOR_OUTPUT), 0, false, 0, GL_WRITE_ONLY,
            GL_RGBA32F);

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glDispatchCompute(vertexCount, 1, 1);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Program.GRAPHICS));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.DIFFUSE);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.POSITION);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.POSITION_OUTPUT));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.TEXCOORD);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.TEXCOORD_OUTPUT));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.COLOR);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.COLOR_OUTPUT));

    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 
Example 19
Source File: Gl_430_fbo_invalidate.java    From jogl-samples with MIT License 4 votes vote down vote up
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspectiveFov_((float) Math.PI * 0.25f, windowSize.x, windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        projection.mul(viewMat4()).mul(model).toDbb(pointer);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    //////////////////////////////
    // Render multisampled texture
    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(Framebuffer.MULTISAMPLE));

    gl4.glViewportIndexedf(0, 0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1.0f).put(1, 0.5f).put(2, 0.0f).put(3, 1.0f));

    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.MULTISAMPLE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.MULTISAMPLE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glEnable(GL_MULTISAMPLE);
    {
        gl4.glDrawArraysInstancedBaseInstance(GL_LINE_LOOP, 0, vertexData.length / 2, 3, 0);
    }
    gl4.glDisable(GL_MULTISAMPLE);

    //////////////////////////
    // Resolving multisampling
    gl4.glBindFramebuffer(GL_READ_FRAMEBUFFER, framebufferName.get(Framebuffer.MULTISAMPLE));
    gl4.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebufferName.get(Framebuffer.COLOR));
    gl4.glBlitFramebuffer(
            0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y,
            0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y,
            GL_COLOR_BUFFER_BIT, GL_NEAREST);

    int[] attachments = {GL_COLOR_ATTACHMENT0};
    gl4.glInvalidateFramebuffer(GL_READ_FRAMEBUFFER, 1, attachments, 0);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);

    //////////////////////////////////////
    // Render resolved multisample texture
    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    //glDisable(GL_MULTISAMPLE);
    gl4.glActiveTexture(GL_TEXTURE0);
    //glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, TextureName[texture::MULTISAMPLE]);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLOR));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 6, 1, 0);

    return true;
}
 
Example 20
Source File: Gl_440_query_occlusion.java    From jogl-samples with MIT License 4 votes vote down vote up
@Override
    protected boolean render(GL gl) {

        GL4 gl4 = (GL4) gl;

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER,
                    0, Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

            Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
            Mat4 model = new Mat4(1.0f);

            pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

            gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        }

        // Clear color buffer with black
        gl4.glClearBufferfv(GL_COLOR, 0, new float[]{0.0f, 0.0f, 0.0f, 1.0f}, 0);

        gl4.glBindProgramPipeline(pipelineName.get(0));
        gl4.glBindVertexArray(vertexArrayName.get(0));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
        gl4.glBindBufferBase(GL_SHADER_STORAGE_BUFFER, Semantic.Storage.VERTEX, bufferName.get(Buffer.VERTEX));

        // Samples count query
        for (int i = 0; i < viewports.length; ++i) {

            gl4.glViewportArrayv(0, 1, viewports[i].toFA_(), 0);

            gl4.glBeginQuery(GL_ANY_SAMPLES_PASSED, queryName.get(i));
            {
                gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
            }
            gl4.glEndQuery(GL_ANY_SAMPLES_PASSED);
        }

        gl4.glBindBuffer(GL_QUERY_BUFFER, bufferName.get(Buffer.QUERY));
        IntBuffer params = GLBuffers.newDirectIntBuffer(1);
        for (int i = 0; i < viewports.length; ++i) {
//            params.put(0, Integer.BYTES * i);
            int[] a = {0};
            gl4.glGetQueryObjectuiv(queryName.get(i), GL_QUERY_RESULT, a, 0);
            System.out.println("a: "+a[0]);
        }

//        ByteBuffer pointer = gl4.glMapBufferRange(GL_QUERY_BUFFER, 0, Integer.BYTES * queryName.capacity(),
//                GL_MAP_READ_BIT);

//        System.out.println("Samples count: " + pointer.get(0) + ", " + pointer.get(1) + ", " + pointer.get(2)
//                + ", " + pointer.get(3) + "\r");

//        gl4.glUnmapBuffer(GL_QUERY_BUFFER);
//        gl4.glBindBuffer(GL_QUERY_BUFFER, 0);

        return true;
    }