Java Code Examples for com.jogamp.opengl.GL4#glBufferSubData()
The following examples show how to use
com.jogamp.opengl.GL4#glBufferSubData() .
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Example 1
| Source File: Gl_430_multi_draw_indirect.java From jogl-samples with MIT License | 4 votes |
|
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_ARRAY_BUFFER, bufferName.get(Buffer.DRAW_ID));
IntBuffer drawIdBuffer = GLBuffers.newDirectIntBuffer(drawIdData);
gl4.glBufferData(GL_ARRAY_BUFFER, drawSize, drawIdBuffer, GL_STATIC_DRAW);
BufferUtils.destroyDirectBuffer(drawIdBuffer);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
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);
int[] vertexIndirection = {0, 1, 2};
int paddingInt = Math.max(Integer.BYTES, uniformArrayStrideInt.get(0));
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.VERTEX_INDIRECTION));
gl4.glBufferData(GL_UNIFORM_BUFFER, paddingInt * 3, null, GL_DYNAMIC_DRAW);
IntBuffer paddingIntBuffer = GLBuffers.newDirectIntBuffer(1);
paddingIntBuffer.put(0, vertexIndirection[0]);
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 0, paddingInt, paddingIntBuffer);
paddingIntBuffer.put(0, vertexIndirection[1]);
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 1, paddingInt, paddingIntBuffer);
paddingIntBuffer.put(0, vertexIndirection[2]);
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 2, paddingInt, paddingIntBuffer);
BufferUtils.destroyDirectBuffer(paddingIntBuffer);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
int paddingMat = Math.max(Mat4.SIZE, uniformArrayStrideMat.get(0));
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
gl4.glBufferData(GL_UNIFORM_BUFFER, paddingMat * 3, null, GL_DYNAMIC_DRAW);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
DrawElementsIndirectCommand[] commands = new DrawElementsIndirectCommand[6];
commands[0] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[1] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[2] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
commands[3] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[4] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[5] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
drawCount[0] = 3;
drawCount[1] = 2;
drawCount[2] = 1;
drawOffset[0] = 0;
drawOffset[1] = 1;
drawOffset[2] = 3;
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bufferName.get(Buffer.INDIRECT));
IntBuffer commandsBuffer = GLBuffers.newDirectIntBuffer(5 * commands.length);
for (DrawElementsIndirectCommand command : commands) {
commandsBuffer.put(command.toIa_());
}
commandsBuffer.rewind();
gl4.glBufferData(GL_DRAW_INDIRECT_BUFFER, commandsBuffer.capacity() * Integer.BYTES, commandsBuffer,
GL_STATIC_DRAW);
BufferUtils.destroyDirectBuffer(commandsBuffer);
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
return true;
}
Example 2
| Source File: Gl_430_program_compute_image.java From jogl-samples with MIT License | 4 votes |
|
private boolean initBuffer(GL4 gl4) {
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
FloatBuffer positionBuffer = GLBuffers.newDirectFloatBuffer(positionData);
FloatBuffer texCoordBuffer = GLBuffers.newDirectFloatBuffer(texCoordData);
FloatBuffer colorBuffer = GLBuffers.newDirectFloatBuffer(colorData);
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.POSITION_INPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, positionSize * 2, null, GL_STATIC_DRAW);
gl4.glBufferSubData(GL_ARRAY_BUFFER, 0, positionSize, positionBuffer);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.TEXCOORD_INPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, texCoordSize * 2, texCoordBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.COLOR_INPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, colorSize * 2, colorBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.POSITION_OUTPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, positionSize * 2, null, GL_STATIC_COPY);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.TEXCOORD_OUTPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, texCoordSize * 2, null, GL_STATIC_COPY);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.COLOR_OUTPUT));
gl4.glBufferData(GL_ARRAY_BUFFER, colorSize * 2, null, GL_STATIC_COPY);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
gl4.glGetIntegerv(
GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT,
uniformBufferOffset);
int uniformBlockSize = Math.max(Mat4.SIZE, 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(positionBuffer);
BufferUtils.destroyDirectBuffer(texCoordBuffer);
BufferUtils.destroyDirectBuffer(colorBuffer);
BufferUtils.destroyDirectBuffer(uniformBufferOffset);
return checkError(gl4, "initBuffer");
}
Example 3
| Source File: Gl_430_texture_buffer.java From jogl-samples with MIT License | 4 votes |
|
private boolean initBuffer(GL4 gl4) {
float[] displacement = {
+0.1f, +0.3f, -1.0f,
-0.5f, +0.0f, -0.5f,
-0.2f, -0.2f, +0.0f,
+0.3f, +0.2f, +0.5f,
+0.1f, -0.3f, +1.0f};
float[] diffuse = {
1.0f, 0.0f, 0.0f,
1.0f, 0.5f, 0.0f,
1.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 1.0f};
int[] textureBufferOffsetAlignment = {0};
gl4.glGetIntegerv(GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, textureBufferOffsetAlignment, 0);
int displacementSize = Vec3.SIZE * displacement.length;
int diffuseSize = Vec3.SIZE * diffuse.length;
int displacementMultiple = glm.ceilMultiple(displacementSize, textureBufferOffsetAlignment[0]);
int diffuseMultiple = glm.ceilMultiple(diffuseSize, textureBufferOffsetAlignment[0]);
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);
gl4.glBindBuffer(GL_TEXTURE_BUFFER, bufferName.get(Buffer.DISPLACEMENT));
gl4.glBufferData(GL_TEXTURE_BUFFER, textureBufferOffsetAlignment[0] + displacementMultiple, null, GL_STATIC_DRAW);
FloatBuffer displacementBuffer = GLBuffers.newDirectFloatBuffer(displacement);
gl4.glBufferSubData(GL_TEXTURE_BUFFER, textureBufferOffsetAlignment[0], displacementSize, displacementBuffer);
BufferUtils.destroyDirectBuffer(displacementBuffer);
/*
void * PointerDisplacement = glMapBufferRange(GL_TEXTURE_BUFFER,
0, sizeof(Displacement), GL_MAP_WRITE_BIT );
memcpy(PointerDisplacement, &Displacement[0], sizeof(Displacement));
glUnmapBuffer(GL_TEXTURE_BUFFER);
*/
gl4.glBindBuffer(GL_TEXTURE_BUFFER, 0);
gl4.glBindBuffer(GL_TEXTURE_BUFFER, bufferName.get(Buffer.DIFFUSE));
gl4.glBufferData(GL_TEXTURE_BUFFER, textureBufferOffsetAlignment[0] + diffuseMultiple, null, GL_STATIC_DRAW);
FloatBuffer diffuseBuffer = GLBuffers.newDirectFloatBuffer(diffuse);
gl4.glBufferSubData(GL_TEXTURE_BUFFER, textureBufferOffsetAlignment[0], diffuseSize, diffuseBuffer);
BufferUtils.destroyDirectBuffer(diffuseBuffer);
gl4.glBindBuffer(GL_TEXTURE_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 true;
}
Example 4
| Source File: Gl_500_multi_draw_indirect_arb.java From jogl-samples with MIT License | 4 votes |
|
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_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);
int[] vertexIndirection = {0, 1, 2};
int paddingInt = Math.max(Integer.BYTES, uniformArrayStrideInt.get(0));
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.VERTEX_INDIRECTION));
gl4.glBufferData(GL_UNIFORM_BUFFER, paddingInt * 3, null, GL_DYNAMIC_DRAW);
IntBuffer paddingIntBuffer = GLBuffers.newDirectIntBuffer(1);
paddingIntBuffer.put(vertexIndirection[0]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 0, Integer.BYTES, paddingIntBuffer);
paddingIntBuffer.put(vertexIndirection[1]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 1, Integer.BYTES, paddingIntBuffer);
paddingIntBuffer.put(vertexIndirection[2]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 2, Integer.BYTES, paddingIntBuffer);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
gl4.glBufferData(GL_UNIFORM_BUFFER, Mat4.SIZE * indirectBufferCount, null, GL_DYNAMIC_DRAW);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
DrawElementsIndirectCommand[] commands = new DrawElementsIndirectCommand[6];
commands[0] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[1] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[2] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
commands[3] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[4] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[5] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
drawCount.put(0, 3);
drawCount.put(1, 2);
drawCount.put(2, 1);
drawOffset.put(0, 0);
drawOffset.put(1, 1);
drawOffset.put(2, 3);
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bufferName.get(Buffer.INDIRECT));
IntBuffer commandsBuffer = GLBuffers.newDirectIntBuffer(5 * commands.length);
for (DrawElementsIndirectCommand command : commands) {
commandsBuffer.put(command.toIa_());
}
/**
* Critical, I forgot once to rewing the buffer, the driver video crashed.
*/
commandsBuffer.rewind();
gl4.glBufferData(GL_DRAW_INDIRECT_BUFFER, DrawElementsIndirectCommand.SIZE * commands.length, commandsBuffer,
GL_STATIC_DRAW);
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
BufferUtils.destroyDirectBuffer(commandsBuffer);
return true;
}
Example 5
| Source File: Gl_500_multi_draw_indirect_count_arb.java From jogl-samples with MIT License | 4 votes |
|
private boolean initBuffer(GL4 gl4) {
gl4.glGenBuffers(Buffer.MAX, bufferName, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[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_ELEMENT_ARRAY_BUFFER, bufferName[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);
int[] vertexIndirection = {0, 1, 2};
int paddingInt = Math.max(Integer.BYTES, uniformArrayStrideInt[0]);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName[Buffer.VERTEX_INDIRECTION]);
gl4.glBufferData(GL_UNIFORM_BUFFER, paddingInt * 3, null, GL_DYNAMIC_DRAW);
IntBuffer paddingIntBuffer = GLBuffers.newDirectIntBuffer(1);
paddingIntBuffer.put(vertexIndirection[0]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 0, Integer.BYTES, paddingIntBuffer);
paddingIntBuffer.put(vertexIndirection[1]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 1, Integer.BYTES, paddingIntBuffer);
paddingIntBuffer.put(vertexIndirection[2]).rewind();
gl4.glBufferSubData(GL_UNIFORM_BUFFER, paddingInt * 2, Integer.BYTES, paddingIntBuffer);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName[Buffer.TRANSFORM]);
gl4.glBufferData(GL_UNIFORM_BUFFER, Mat4.SIZE * drawDataCount, null, GL_DYNAMIC_DRAW);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
DrawElementsIndirectCommand[] commands = new DrawElementsIndirectCommand[6];
commands[0] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[1] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[2] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
commands[3] = new DrawElementsIndirectCommand(elementCount, 1, 0, 0, 0);
commands[4] = new DrawElementsIndirectCommand(elementCount >> 1, 1, 6, 4, 1);
commands[5] = new DrawElementsIndirectCommand(elementCount, 1, 9, 7, 2);
drawCount[0] = 3;
drawCount[1] = 2;
drawCount[2] = 1;
drawOffset[0] = 0;
drawOffset[1] = 1;
drawOffset[2] = 3;
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bufferName[Buffer.INDIRECT]);
IntBuffer commandsBuffer = GLBuffers.newDirectIntBuffer(5 * commands.length);
for (DrawElementsIndirectCommand command : commands) {
commandsBuffer.put(command.toIa_());
}
/**
* Critical, I forgot once to rewing the buffer, the driver video crashed.
*/
commandsBuffer.rewind();
gl4.glBufferData(GL_DRAW_INDIRECT_BUFFER, DrawElementsIndirectCommand.SIZE * commands.length, commandsBuffer,
GL_STATIC_DRAW);
gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0);
BufferUtils.destroyDirectBuffer(commandsBuffer);
gl4.glBindBuffer(GL_PARAMETER_BUFFER_ARB, bufferName[Buffer.PARAMETER]);
IntBuffer drawCountBuffer = GLBuffers.newDirectIntBuffer(drawCount);
gl4.glBufferData(GL_PARAMETER_BUFFER_ARB, drawCount.length * Integer.BYTES, drawCountBuffer, GL_DYNAMIC_DRAW);
BufferUtils.destroyDirectBuffer(drawCountBuffer);
gl4.glBindBuffer(GL_PARAMETER_BUFFER_ARB, 0);
return true;
}
