search for: glcolor

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2016 Apr 05
2
a few questions about OpenGL and nouveau
...ructs the card to get the next 3 floats for color more 3 for the first vertex and another 3 for the other? Also at this moment the video card memory is already mapped (I guess...) so are these floats fetched by the pusher of the card and draw the line, possibly when glXSwapBuffers is called? Is the glColor(...) (the three floats) stored in the mmapped twice, one for each vertex? HELP I'M LOST :( This mine consideration is wrong... I guess... st_draw.c coments that all "rendering" is done through st_draw_vbo() which would end up calling nv30_draw_vbo() which would send data to the card.....
2016 Apr 05
0
a few questions about OpenGL and nouveau
...3 floats for color > more 3 for the first vertex and another 3 for the other? Also at this moment > the video card memory is already mapped (I guess...) so are these floats > fetched > by the pusher of the card and draw the line, possibly when glXSwapBuffers is > called? > Is the glColor(...) (the three floats) stored in the mmapped twice, one for > each > vertex? I think, but am not sure, that it will come in as a constant attribute (i.e. a VBO attribute with stride 0). > HELP I'M LOST :( This mine consideration is wrong... I guess... > st_draw.c > coments tha...