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r300g: fix emission of which textures are enabled

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It fixes most of the "Bad CS" issues in piglit/texCombine and piglit/fbo.
Some other issues of this kind will get fixed in the kernel soon (depth-only
rendering, S3TC, and RGTC).
This commit is contained in:
Marek Olšák 2009-12-15 05:35:03 +01:00 • committed by Corbin Simpson
parent ded4ecde60
commit 2ddee2cfbc
1 changed files with 12 additions and 1 deletions
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13
src/gallium/drivers/r300/r300_emit.c
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@ -883,10 +883,21 @@ void r300_emit_viewport_state(struct r300_context* r300,
void r300_emit_texture_count(struct r300_context* r300)
{
uint32_t tx_enable = 0;
int i;
CS_LOCALS(r300);
/* Notice that texture_count and sampler_count are just sizes
* of the respective arrays. We still have to check for the individual
* elements. */
for (i = 0; i < MIN2(r300->sampler_count, r300->texture_count); i++) {
if (r300->textures[i]) {
tx_enable |= 1 << i;
}
}
BEGIN_CS(2);
OUT_CS_REG(R300_TX_ENABLE, (1 << r300->texture_count) - 1);
OUT_CS_REG(R300_TX_ENABLE, tx_enable);
END_CS;
}