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radeonsi: update si_ce_needed_cs_space 

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-05-15 23:57:37 +02:00
parent edb59ef2dc
commit 38828094e9
1 changed files with 8 additions and 8 deletions
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16
src/gallium/drivers/radeonsi/si_hw_context.c
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@ -32,21 +32,21 @@ static unsigned si_descriptor_list_cs_space(unsigned count, unsigned element_siz
/* Ensure we have enough space to start a new range in a hole */
assert(element_size >= 3);
/* 5 dwords for possible load to reinitialize when we have no preamble
* IB + 5 dwords for write to L2 + 3 bytes for every range written to
* CE RAM.
/* 5 dwords for write to L2 + 3 bytes for the packet header of
* every disjoint range written to CE RAM.
*/
return 5 + 5 + 3 + count * element_size;
return 5 + (3 * count / 2) + count * element_size;
}
static unsigned si_ce_needed_cs_space(void)
{
unsigned space = 0;
space += si_descriptor_list_cs_space(SI_NUM_CONST_BUFFERS, 4);
space += si_descriptor_list_cs_space(SI_NUM_SHADER_BUFFERS, 4);
space += si_descriptor_list_cs_space(SI_NUM_SAMPLERS, 16);
space += si_descriptor_list_cs_space(SI_NUM_IMAGES, 8);
space += si_descriptor_list_cs_space(SI_NUM_SHADER_BUFFERS +
SI_NUM_CONST_BUFFERS, 4);
/* two 8-byte images share one 16-byte slot */
space += si_descriptor_list_cs_space(SI_NUM_IMAGES / 2 +
SI_NUM_SAMPLERS, 16);
space *= SI_NUM_SHADERS;
space += si_descriptor_list_cs_space(SI_NUM_RW_BUFFERS, 4);