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");
}
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;
}
@Override
protected boolean end(GL gl) {
GL3 gl3 = (GL3) gl;
gl3.glDeleteBuffers(1, bufferName);
gl3.glDeleteProgram(programName);
gl3.glDeleteTextures(1, textureName);
gl3.glDeleteVertexArrays(1, vertexArrayName);
BufferUtils.destroyDirectBuffer(bufferName);
BufferUtils.destroyDirectBuffer(textureName);
BufferUtils.destroyDirectBuffer(vertexArrayName);
return checkError(gl3, "end");
}
@Override
protected boolean end(GL gl) {
GL3 gl3 = (GL3) gl;
gl3.glDeleteProgram(programName);
gl3.glDeleteBuffers(Buffer.MAX, bufferName);
gl3.glDeleteTextures(1, textureName);
gl3.glDeleteVertexArrays(1, vertexArrayName);
BufferUtils.destroyDirectBuffer(bufferName);
BufferUtils.destroyDirectBuffer(textureName);
BufferUtils.destroyDirectBuffer(vertexArrayName);
BufferUtils.destroyDirectBuffer(clearColor);
return true;
}
@Override
protected boolean end(GL gl) {
GL4 gl4 = (GL4) gl;
gl4.glDeleteProgramPipelines(1, pipelineName);
BufferUtils.destroyDirectBuffer(pipelineName);
gl4.glDeleteProgram(programName[Program.FRAGMENT]);
gl4.glDeleteProgram(programName[Program.VERTEX]);
gl4.glDeleteBuffers(Buffer.MAX, bufferName);
BufferUtils.destroyDirectBuffer(bufferName);
gl4.glDeleteTextures(1, textureName);
BufferUtils.destroyDirectBuffer(textureName);
gl4.glDeleteVertexArrays(1, vertexArrayName);
BufferUtils.destroyDirectBuffer(vertexArrayName);
return true;
}
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");
}
private boolean initTexture(GL3 gl3) {
IntBuffer textureSize = GLBuffers.newDirectIntBuffer(1);
try {
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
gl3.glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE, textureSize);
gl3.glGenTextures(1, textureRectName);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_RECTANGLE, textureRectName.get(0));
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_BASE_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAX_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
assert (texture.dimensions()[0] <= textureSize.get(0)
&& texture.dimensions()[1] <= textureSize.get(0));
gl3.glTexImage2D(
GL_TEXTURE_RECTANGLE,
0,
format.internal.value,
texture.dimensions()[0],
texture.dimensions()[1],
0,
format.external.value,
format.type.value,
texture.data());
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
} catch (IOException ex) {
Logger.getLogger(Gl_330_texture_rect.class.getName()).log(Level.SEVERE, null, ex);
}
BufferUtils.destroyDirectBuffer(textureSize);
return true;
}
