search for: gallium_trace

Hi... I know... glBegin/glEnd is deprecated but I have an old computer 32bit CPU, running fedora 19, mesa-9.2.4, NV63... any help are welcomed. Please forgive if I misuderstood everything. So I have a simple OpenGL program that draws a black background and a white line... I will write the code of myline() inside of main() so as I can learn. main (..) { X and glX stuff... /* at this moment I

...y > ctx->Driver.MapBufferRange...*/ The gallium state tracker does not support immediate vertex submission. There's a "vbo" layer in front of it which converts immediate vertex submissions into writes to a VBO, which is then bound and drawn with. You may be interested in doing GALLIUM_TRACE=foo.xml [on a debug mesa build] which will create an xml file of all the state tracker calls. It will show you the VBO setup, etc. State is only emitted at draw time (or something like blits, clears, etc). So doing glViewport() does nothing. It dirties internal state, which is then emitted at draw...