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r600g: simplify framebuffer state size computation

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Take the upper bound. The number doesn't have to absolutely correct, only safe.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák
2014-05-06 13:53:59 +02:00
parent 155f98d49f
commit 58c659703b
1 changed files with 4 additions and 26 deletions
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src/gallium/drivers/r600/evergreen_state.c
+4 -26
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@@ -1394,32 +1394,10 @@ static void evergreen_set_framebuffer_state(struct pipe_context *ctx,
rctx->framebuffer.atom.num_dw = 4; /* SCISSOR */
/* MSAA. */
if (rctx->b.chip_class == EVERGREEN) {
switch (rctx->framebuffer.nr_samples) {
case 2:
case 4:
rctx->framebuffer.atom.num_dw += 6;
break;
case 8:
rctx->framebuffer.atom.num_dw += 10;
break;
}
rctx->framebuffer.atom.num_dw += 4;
} else {
switch (rctx->framebuffer.nr_samples) {
case 2:
case 4:
rctx->framebuffer.atom.num_dw += 12;
break;
case 8:
rctx->framebuffer.atom.num_dw += 16;
break;
case 16:
rctx->framebuffer.atom.num_dw += 18;
break;
}
rctx->framebuffer.atom.num_dw += 7;
}
if (rctx->b.chip_class == EVERGREEN)
rctx->framebuffer.atom.num_dw += 14; /* Evergreen */
else
rctx->framebuffer.atom.num_dw += 25; /* Cayman */
/* Colorbuffers. */
rctx->framebuffer.atom.num_dw += state->nr_cbufs * 23;