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

The following examples show how to use com.jogamp.opengl.GL4#glMapNamedBufferRange() . 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_500_buffer_sparse_arb.java    From jogl-samples with MIT License 6 votes vote down vote up 
@Override
protected boolean begin(GL gl) {

    GL4 gl4 = (GL4) gl;

    boolean validated = gl4.isExtensionAvailable("GL_ARB_sparse_buffer");

    if (validated) {
        validated = initProgram(gl4);
    }
    if (validated) {
        validated = initBuffer(gl4);
    }
    if (validated) {
        validated = initVertexArray(gl4);
    }
    if (validated) {
        validated = initTexture(gl4);
    }
    if (validated) {
        uniformPointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM), 0, Mat4.SIZE, GL_MAP_WRITE_BIT
                | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
    }

    return validated;
}
Example 2
Source File: Gl_430_direct_state_access_ext.java    From jogl-samples with MIT License 5 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;
    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                0, uniformBlockSize, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, FRAMEBUFFER_SIZE.x / FRAMEBUFFER_SIZE.y, 0.1f,
                100.0f);
        pointer.position(0);
        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(new Mat4(1)).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glBindProgramPipeline(pipelineName.get(0));

    // Step 1: render the scene in a multisampled framebuffer
    renderFBO(gl4);

    // Step 2: resolve MSAA
    gl4.glBindFramebuffer(GL_READ_FRAMEBUFFER, framebufferName.get(Framebuffer.RENDER));
    gl4.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebufferName.get(Framebuffer.RESOLVE));
    gl4.glBlitFramebuffer(
            0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y,
            0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);

    // Step 3: Blit resolved colorbuffer. Resolve and blit can't be done in a single step
    gl4.glBindFramebuffer(GL_READ_FRAMEBUFFER, framebufferName.get(Framebuffer.RESOLVE));
    gl4.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
    gl4.glBlitFramebuffer(
            0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y,
            0, 0, windowSize.x, windowSize.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);

    return true;
}
Example 3
Source File: Gl_450_direct_state_access.java    From jogl-samples with MIT License 5 votes vote down vote up 
private boolean initBuffer(GL4 gl4) {

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementSize);
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl4.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl4.glCreateBuffers(Buffer.MAX, bufferName);

        if (!bug1287) {

            gl4.glNamedBufferStorage(bufferName.get(Buffer.ELEMENT), elementSize, elementBuffer, 0);
            gl4.glNamedBufferStorage(bufferName.get(Buffer.VERTEX), vertexSize, vertexBuffer, 0);
            gl4.glNamedBufferStorage(bufferName.get(Buffer.TRANSFORM), uniformBlockSize * 2, null, GL_MAP_WRITE_BIT
                    | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
        } else {

            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
            gl4.glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, 0);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl4.glBufferStorage(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, 0);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            gl4.glBufferStorage(GL_UNIFORM_BUFFER, uniformBlockSize * 2, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT
                    | GL_MAP_COHERENT_BIT);
        }

        uniformPointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM), 0, uniformBlockSize * 2,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

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

        return true;
    }
Example 4
Source File: Gl_500_texture_bindless_nv.java    From jogl-samples with MIT License 5 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    // Update of the uniform buffer
    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                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.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor);

    int locationDiffuse = 0;
    gl4.glProgramUniformHandleui64ARB(programName, locationDiffuse, textureHandle.get(0));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    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 5
Source File: Gl_500_primitive_shading_nv.java    From jogl-samples with MIT License 5 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                0, Mat4.SIZE * 1, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 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.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glViewport(0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, black);

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

    gl4.glBeginQuery(GL_PRIMITIVES_GENERATED, queryName.get(0));
    {
        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
    }
    gl4.glEndQuery(GL_PRIMITIVES_GENERATED);

    LongBuffer primitivesGeneratedBuffer = GLBuffers.newDirectLongBuffer(1);
    gl4.glGetQueryObjectui64v(queryName.get(0), GL_QUERY_RESULT, primitivesGeneratedBuffer);
    long primitivesGenerated = primitivesGeneratedBuffer.get(0);

    return primitivesGenerated > 0;
}
Example 6
Source File: Gl_500_direct_state_access_gtc.java    From jogl-samples with MIT License 4 votes vote down vote up 
private boolean initBuffer(GL4 gl4) {

        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
        gl4.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

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

        gl4.glCreateBuffers(Buffer.MAX, bufferName);

        if (!bug1287) {

            gl4.glNamedBufferStorage(bufferName.get(Buffer.ELEMENT), elementSize, elementBuffer, 0);
            gl4.glNamedBufferStorage(bufferName.get(Buffer.VERTEX), vertexSize, vertexBuffer, 0);
            gl4.glNamedBufferStorage(bufferName.get(Buffer.TRANSFORM), uniformBlockSize * 2, null, GL_MAP_WRITE_BIT
                    | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);

        } else {

            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
            gl4.glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, 0);
            gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl4.glBufferStorage(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, 0);
            gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            gl4.glBufferStorage(GL_UNIFORM_BUFFER, uniformBlockSize * 2, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT
                    | GL_MAP_COHERENT_BIT);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
        }

        uniformPointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM), 0, uniformBlockSize * 2,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

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

        return true;
    }
Example 7
Source File: Gl_500_conservative_raster_nv.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                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_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glViewportIndexedf(0, 0, 0, windowSize.x / 16.0f, windowSize.y / 16.0f);

    gl4.glClearBufferfv(GL_COLOR, 0, whiteColor);

    // Bind rendering objects
    gl4.glViewportIndexedf(0, 0, 0, windowSize.x / 16.0f, windowSize.y / 16.0f);
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.TEXTURE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL0));

    //glSubpixelPrecisionBiasNV(-8, -8);
    gl4.glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL1));

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

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

    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindTextureUnit(0, textureName.get(Texture.COLORBUFFER));

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);

    return true;
}
Example 8
Source File: Gl_500_buffer_sparse_arb.java    From jogl-samples with MIT License 4 votes vote down vote up 
private boolean initBuffer(GL4 gl4) {

        int alignement = 256;
        IntBuffer bufferPageSize = GLBuffers.newDirectIntBuffer(1);        
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        
        gl4.glGetIntegerv(GL_SPARSE_BUFFER_PAGE_SIZE_ARB, bufferPageSize);

        boolean validated = true;

        int copyBufferSize = glm.ceilMultiple(vertexSize, alignement) + glm.ceilMultiple(elementSize, alignement);

        gl4.glCreateBuffers(Buffer.MAX, bufferName);

        if (!bug1287) {
            gl4.glNamedBufferStorage(bufferName.get(Buffer.COPY), copyBufferSize, null, GL_MAP_WRITE_BIT);
        } else {
            gl4.glBindBuffer(GL_SHADER_STORAGE_BUFFER, bufferName.get(Buffer.COPY));
            gl4.glBufferStorage(GL_SHADER_STORAGE_BUFFER, copyBufferSize, null, GL_MAP_WRITE_BIT);
            gl4.glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
        }

        ByteBuffer copyBufferPointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.COPY), 0, copyBufferSize,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
        copyBufferPointer.asFloatBuffer().put(vertexBuffer);
        copyBufferPointer.position(glm.ceilMultiple(vertexSize, alignement));
        copyBufferPointer.asShortBuffer().put(elementBuffer);
        gl4.glUnmapNamedBuffer(bufferName.get(Buffer.COPY));

        gl4.glBindBuffer(GL_COPY_READ_BUFFER, bufferName.get(Buffer.COPY));

        gl4.glBindBuffer(GL_COPY_WRITE_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl4.glBufferStorage(GL_COPY_WRITE_BUFFER, glm.ceilMultiple(elementSize, bufferPageSize.get(0)), null,
                GL_SPARSE_STORAGE_BIT_ARB);
        gl4.glBufferPageCommitmentARB(GL_COPY_WRITE_BUFFER, 0, bufferPageSize.get(0), true);
        gl4.glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, glm.ceilMultiple(vertexSize, alignement),
                0, glm.ceilMultiple(elementSize, alignement));

        gl4.glBindBuffer(GL_COPY_WRITE_BUFFER, bufferName.get(Buffer.VERTEX));
        gl4.glBufferStorage(GL_COPY_WRITE_BUFFER, glm.ceilMultiple(vertexSize, bufferPageSize.get(0)), null,
                GL_SPARSE_STORAGE_BIT_ARB);
        gl4.glBufferPageCommitmentARB(GL_COPY_WRITE_BUFFER, 0, bufferPageSize.get(0), true);
        gl4.glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, glm.ceilMultiple(vertexSize, alignement));

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

        if (!bug1287) {
            gl4.glNamedBufferStorage(bufferName.get(Buffer.TRANSFORM), uniformBlockSize, null, GL_MAP_WRITE_BIT
                    | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
        } else {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            gl4.glBufferStorage(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT
                    | GL_MAP_COHERENT_BIT);
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
        }

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

        return validated;
    }
Example 9
Source File: Gl_500_shader_group_nv.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                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_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glEnable(GL_DEPTH_TEST);
    gl4.glDepthFunc(GL_LESS);

    gl4.glClearTexImage(textureName.get(Texture.COLORBUFFER), 0, GL_RGBA, GL_UNSIGNED_BYTE, clearColorBuffer);
    gl4.glClearTexImage(textureName.get(Texture.RENDERBUFFER), 0, GL_DEPTH_COMPONENT, GL_FLOAT, clearRenderBuffer);
    gl4.glClearTexImage(textureName.get(Texture.INVOCATION_COUNT), 0, GL_RED_INTEGER, GL_UNSIGNED_INT,
            clearInvocationCount);

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

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.TEXTURE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindImageTexture(0, textureName.get(Texture.INVOCATION_COUNT), 0, false, 0, GL_WRITE_ONLY, GL_R32UI);

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

    gl4.glDisable(GL_DEPTH_TEST);

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

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindImageTexture(0, textureName.get(Texture.INVOCATION_COUNT), 0, false, 0, GL_READ_ONLY, GL_R32UI);

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);

    return true;
}