diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_hw_context.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c index 5e97d56481d..92c09cb633f 100644 --- a/src/gallium/drivers/radeonsi/si_hw_context.c +++ b/src/gallium/drivers/radeonsi/si_hw_context.c @@ -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); |