@Override
protected boolean render(GL gl) {
GL3 gl3 = (GL3) gl;
{
gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
ByteBuffer pointer =
gl3.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, 4.0f / 3.0f, 0.1f, 100.0f);
Mat4 model = new Mat4(1.0f);
pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());
gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
}
gl3.glDrawBuffer(GL_BACK);
gl3.glViewport(0, 0, windowSize.x, windowSize.y);
gl3.glDisable(GL_FRAMEBUFFER_SRGB);
clearColor.put(new float[] {1.0f, 0.5f, 0.0f, 1.0f}).rewind();
gl3.glClearBufferfv(GL_COLOR, 0, clearColor);
gl3.glUseProgram(programName);
gl3.glDisable(GL_FRAMEBUFFER_SRGB);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glBindBufferBase(
GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
gl3.glBindVertexArray(vertexArrayName.get(0));
gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
return true;
}
