Java Code Examples for com.jogamp.opengl.GL3#glGenBuffers()

The following examples show how to use com.jogamp.opengl.GL3#glGenBuffers() . 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_330_draw_instanced_array.java From jogl-samples with MIT License

6 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer positionBuffer = GLBuffers.newDirectFloatBuffer(positionData);
        FloatBuffer colorBuffer = GLBuffers.newDirectFloatBuffer(colorData);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.POSITION));
        gl3.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.COLOR));
        gl3.glBufferData(GL_ARRAY_BUFFER, colorSize, colorBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(positionBuffer);
        BufferUtils.destroyDirectBuffer(colorBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 2

Source File: Gl_320_texture_fetch.java From jogl-samples with MIT License

6 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

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

        return checkError(gl3, "initBuffer");
    }

Example 3

Source File: Gl_330_sampler_filter.java From jogl-samples with MIT License

6 votes

private boolean initBuffer(GL3 gl3) {

        ByteBuffer vertexBuffer = GLBuffers.newDirectByteBuffer(vertexSize);

        gl3.glGenBuffers(1, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        for (int i = 0; i < vertexCount; i++) {
            vertexData[i].toBb(vertexBuffer, i);
        }
        vertexBuffer.rewind();
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 4

Source File: Gl_320_texture_streaming.java From jogl-samples with MIT License

6 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

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

        return true;
    }

Example 5

Source File: Batch.java From constellation with Apache License 2.0

5 votes

private int getOrCreateBufferName(final GL3 gl, final int target) {
    try {
        if (bufferNames[target].length == 0) {
            bufferNames[target] = new int[1];
            gl.glGenBuffers(1, bufferNames[target], 0);
        }
        return bufferNames[target][0];
    } catch (ArrayIndexOutOfBoundsException ex) {
        throw new RenderException("Specified target doesn't exist.");
    }
}

Example 6

Source File: Gl_320_fbo_shadow.java From jogl-samples with MIT License

5 votes

private boolean initBuffer(GL3 gl3) {

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        ByteBuffer vertexBuffer = GLBuffers.newDirectByteBuffer(vertexSize);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl3.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        for (int i = 0; i < vertexCount; i++) {
            vertexData[i].toBb(vertexBuffer, i);
        }
        vertexBuffer.rewind();
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        int[] uniformBufferOffset = {0};
        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset, 0);
        int uniformBlockSize = Math.max(Mat4.SIZE * 3, uniformBufferOffset[0]);

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

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

        return true;
    }

Example 7

Source File: Gl_320_fbo_blend_points.java From jogl-samples with MIT License

5 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexSize);
        for (Vertex_v4fc4f vertex : vertexData) {
            vertexBuffer.put(vertex.toFa_());
        }
        vertexBuffer.rewind();
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

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

        return true;
    }

Example 8

Source File: Gl_320_primitive_point_quad.java From jogl-samples with MIT License

5 votes

private boolean initBuffer(GL3 gl3) {

        // Generate a buffer object
        gl3.glGenBuffers(1, bufferName);

        // Bind the buffer for use
        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));

        vertexCount = 5;

        // Reserve buffer memory but don't copy the values
        gl3.glBufferData(GL_ARRAY_BUFFER, glf.Vertex_v4fc4f.SIZE * vertexCount, null, GL_STATIC_DRAW);

        ByteBuffer data = gl3.glMapBufferRange(GL_ARRAY_BUFFER,
                0, // Offset
                glf.Vertex_v4fc4f.SIZE * vertexCount, // Size,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        float[] floatArray = {
            0.0f, 0.0f, -0.5f, 1.0f,
            1.0f, 0.0f, +0.0f, 1.0f,
            0.2f, 0.0f, +0.5f, 1.0f,
            1.0f, 0.5f, +0.0f, 1.0f,
            0.4f, 0.0f, +1.5f, 1.0f,
            1.0f, 1.0f, +0.0f, 1.0f,
            0.6f, 0.0f, +2.5f, 1.0f,
            0.0f, 1.0f, +0.0f, 1.0f,
            0.8f, 0.0f, +3.5f, 1.0f,
            0.0f, 0.0f, +1.0f, 1.0f};

        data.asFloatBuffer().put(floatArray).rewind();

        gl3.glUnmapBuffer(GL_ARRAY_BUFFER);

        // Unbind the buffer
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        return checkError(gl3, "initArrayBuffer");
    }

Example 9

Source File: Gl_320_primitive_line_msaa.java From jogl-samples with MIT License

5 votes

private boolean initBuffer(GL3 gl3) {

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        float[] data = new float[2 * 36];
        for (int i = 0; i < 36; ++i) {
            float angle = (float) Math.PI * 2.0f * i / (data.length / 2);
            data[i * 2 + 0] = Glm.normalize(new float[]{(float) Math.sin(angle), (float) Math.cos(angle)})[0];
            data[i * 2 + 1] = Glm.normalize(new float[]{(float) Math.sin(angle), (float) Math.cos(angle)})[1];
        }
        vertexCount = 18;//static_cast<GLsizei>(Data.size() - 8);

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(data);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, data.length * Float.BYTES, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

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

        return true;
    }

Example 10

Source File: Gl_320_program.java From jogl-samples with MIT License

4 votes

private boolean initBuffer(GL3 gl3) {

        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        FloatBuffer positionBuffer = GLBuffers.newDirectFloatBuffer(positionData);
        IntBuffer uniformBlockSize = GLBuffers.newDirectIntBuffer(1);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl3.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        {
            gl3.glGetActiveUniformBlockiv(programName[Program.USED], uniformTransform, GL_UNIFORM_BLOCK_DATA_SIZE,
                    uniformBlockSize);

            gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize.get(0), null, GL_DYNAMIC_DRAW);
            gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);
        }

        {

            FloatBuffer diffuseBuffer = GLBuffers.newDirectFloatBuffer(new float[]{1.0f, 0.5f, 0.0f, 1.0f});

            gl3.glGetActiveUniformBlockiv(programName[Program.USED], uniformMaterial, GL_UNIFORM_BLOCK_DATA_SIZE,
                    uniformBlockSize);

            gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.MATERIAL));
            gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize.get(0), diffuseBuffer, GL_DYNAMIC_DRAW);
            gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

            BufferUtils.destroyDirectBuffer(diffuseBuffer);
        }

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

        return checkError(gl3, "initBuffer");
    }

Example 11

Source File: Gl_320_query_conditional.java From jogl-samples with MIT License

4 votes

private boolean initBuffer(GL3 gl3) {

        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
        FloatBuffer positionBuffer = GLBuffers.newDirectFloatBuffer(positionData);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);

        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        int uniformTransformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformTransformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        uniformMaterialOffset = Math.max(Vec4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.MATERIAL));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformMaterialOffset * 2, null, GL_STATIC_DRAW);

        {
            ByteBuffer pointer = gl3.glMapBufferRange(GL_UNIFORM_BUFFER, 0,
                    uniformMaterialOffset * 2, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
            
            float[][] materials = {new float[]{0.0f, 0.5f, 1.0f, 1.0f}, new float[]{1.0f, 0.5f, 0.0f, 1.0f}};

            for (int i = 0; i < materials.length; i++) {
                for (int j = 0; j < materials[0].length; j++) {
                    pointer.putFloat(i * uniformMaterialOffset + j * Float.BYTES, materials[i][j]);
                }
            }
            pointer.rewind();

            gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
        }
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(uniformBufferOffset);
        BufferUtils.destroyDirectBuffer(positionBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 12

Source File: Gl_320_texture_streaming.java From jogl-samples with MIT License

4 votes

private boolean initTexture(GL3 gl3) {

        try {
            jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
            jgli.Gl.Format format = jgli.Gl.translate(texture.format());

            gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);

            gl3.glGenTextures(1, textureName);
            gl3.glActiveTexture(GL_TEXTURE0);
            gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
            gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
            gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

            gl3.glTexImage2D(GL_TEXTURE_2D, 0,
                    format.internal.value,
                    texture.dimensions()[0], texture.dimensions()[1],
                    0,
                    format.external.value, format.type.value,
                    null);

            int textureSize = texture.size(0);

            int[] pixelBuffer = {0};
            gl3.glGenBuffers(1, pixelBuffer, 0);
            gl3.glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixelBuffer[0]);
            gl3.glBufferData(GL_PIXEL_UNPACK_BUFFER, textureSize, null, GL_STREAM_DRAW);
            ByteBuffer pointer = gl3.glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, textureSize, GL_MAP_WRITE_BIT);
            pointer.put(texture.data(0)).rewind();
            gl3.glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);

            gl3.glTexSubImage2D(GL_TEXTURE_2D, 0,
                    0, 0, texture.dimensions()[0], texture.dimensions()[1],
                    format.external.value, format.type.value, 0);
            gl3.glDeleteBuffers(1, pixelBuffer, 0);

            gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);

        } catch (IOException ex) {
            Logger.getLogger(Gl_320_texture_streaming.class.getName()).log(Level.SEVERE, null, ex);
        }
        return true;
    }

Example 13

Source File: Gl_320_primitive_sprite.java From jogl-samples with MIT License

4 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        // Generate a buffer object
        gl3.glGenBuffers(1, bufferName);

        // Bind the buffer for use
        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));

        // Reserve buffer memory but don't copy the values
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, null, GL_STATIC_DRAW);

        // Copy the vertex data in the buffer, in this sample for the whole range of data.
        gl3.glBufferSubData(GL_ARRAY_BUFFER, 0, vertexSize, vertexBuffer);

        // Unbind the buffer
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return true;
    }

Example 14

Source File: Gl_330_texture_rect.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl3.glGenBuffers(1, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 15

Source File: Gl_320_texture_cube.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl3.glGenBuffers(1, bufferName);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return true;
    }

Example 16

Source File: Gl_300_fbo_multisample.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl3.glGenBuffers(1, bufferName);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 17

Source File: Gl_320_draw_range_elements.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        
        ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
        IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
        
        gl3.glGenBuffers(Buffer.MAX, bufferName);

        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
        gl3.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
        int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);

        
        BufferUtils.destroyDirectBuffer(elementBuffer);
        BufferUtils.destroyDirectBuffer(vertexBuffer);
        BufferUtils.destroyDirectBuffer(uniformBufferOffset);
        
        return checkError(gl3, "initBuffer");
    }

Example 18

Source File: Gl_320_fbo_integer.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl3.glGenBuffers(1, bufferName);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return checkError(gl3, "initBuffer");
    }

Example 19

Source File: Gl_330_sampler_object.java From jogl-samples with MIT License

3 votes

private boolean initBuffer(GL3 gl3) {

        FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);

        gl3.glGenBuffers(1, bufferName);

        gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
        gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
        gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);

        BufferUtils.destroyDirectBuffer(vertexBuffer);

        return true;
    }

Example 20

Source File: GlyphManagerOpenGLController.java From constellation with Apache License 2.0

3 votes

private void initCoordinates(GL3 gl) {

        gl.glGenBuffers(1, coordinatesBufferName, 0);

        coordinatesBufferSize = glyphManager.getGlyphTextureCoordinates().length * BYTES_PER_FLOAT;
        gl.glBindBuffer(GL3.GL_TEXTURE_BUFFER, coordinatesBufferName[0]);
        gl.glBufferData(GL3.GL_TEXTURE_BUFFER, coordinatesBufferSize, null, GL3.GL_DYNAMIC_DRAW);

        gl.glGenTextures(1, coordinatesTextureName, 0);

        gl.glBindTexture(GL3.GL_TEXTURE_BUFFER, coordinatesTextureName[0]);
        gl.glTexBuffer(GL3.GL_TEXTURE_BUFFER, GL3.GL_RGBA32F, coordinatesBufferName[0]);
    }