v2: Load previous list for new CS instead of re-emitting
all descriptors.
v3: Do radeon_add_to_buffer_list in si_ce_upload.
Signed-off-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_descriptors.c | 74 +++++++++++++++++++++++----
1 file changed, 64 insertions(+), 10 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c
b/src/gallium/drivers/radeonsi/si_descriptors.c
index a5018db..ecb72de 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -60,6 +60,7 @@
#include "si_shader.h"
#include "sid.h"
+#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_suballoc.h"
#include "util/u_upload_mgr.h"
@@ -151,33 +152,86 @@ static bool si_ce_upload(struct si_context *sctx,
unsigned ce_offset, unsigned s
radeon_emit(sctx->ce_ib, va);
radeon_emit(sctx->ce_ib, va >> 32);
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, desc->buffer,
+ RADEON_USAGE_READWRITE, RADEON_PRIO_DESCRIPTORS);
+
sctx->ce_need_synchronization = true;
return true;
}
+static void si_reinitialize_ce_ram(struct si_context *sctx,
+ struct si_descriptors *desc)
+{
+ if (desc->buffer) {
+ struct r600_resource *buffer = (struct
r600_resource*)desc->buffer;
+ unsigned list_size = desc->num_elements * desc->element_dw_size
* 4;
+ uint64_t va = buffer->gpu_address + desc->buffer_offset;
+ struct radeon_winsys_cs *ib = sctx->ce_preamble_ib;
+
+ if (!ib)
+ ib = sctx->ce_ib;
+
+ list_size = align(list_size, 32);
+
+ radeon_emit(ib, PKT3(PKT3_LOAD_CONST_RAM, 3, 0));
+ radeon_emit(ib, va);
+ radeon_emit(ib, va >> 32);
+ radeon_emit(ib, list_size / 4);
+ radeon_emit(ib, desc->ce_offset);
+
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, desc->buffer,
+ RADEON_USAGE_READ, RADEON_PRIO_DESCRIPTORS);
+ }
+ desc->ce_ram_dirty = false;
+}
static bool si_upload_descriptors(struct si_context *sctx,
struct si_descriptors *desc)
{
unsigned list_size = desc->num_elements * desc->element_dw_size * 4;
- void *ptr;
if (!desc->dirty_mask)
return true;
- u_upload_alloc(sctx->b.uploader, 0, list_size, 256,
- &desc->buffer_offset,
- (struct pipe_resource**)&desc->buffer, &ptr);
- if (!desc->buffer)
- return false; /* skip the draw call */
+ if (sctx->ce_ib) {
+ uint32_t const* list = (uint32_t const*)desc->list;
- util_memcpy_cpu_to_le32(ptr, desc->list, list_size);
+ if (desc->ce_ram_dirty)
+ si_reinitialize_ce_ram(sctx, desc);
- radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, desc->buffer,
- RADEON_USAGE_READ, RADEON_PRIO_DESCRIPTORS);
+ while(desc->dirty_mask) {
+ int begin, count;
+ u_bit_scan_consecutive_range64(&desc->dirty_mask,
&begin,
+ &count);
- desc->dirty_mask = 0;
+ begin *= desc->element_dw_size;
+ count *= desc->element_dw_size;
+
+ radeon_emit(sctx->ce_ib,
+ PKT3(PKT3_WRITE_CONST_RAM, count, 0));
+ radeon_emit(sctx->ce_ib, desc->ce_offset + begin * 4);
+ radeon_emit_array(sctx->ce_ib, list + begin, count);
+ }
+
+ if (!si_ce_upload(sctx, desc->ce_offset, list_size,
+ &desc->buffer_offset, &desc->buffer))
+ return false;
+ } else {
+ void *ptr;
+
+ u_upload_alloc(sctx->b.uploader, 0, list_size, 256,
+ &desc->buffer_offset,
+ (struct pipe_resource**)&desc->buffer, &ptr);
+ if (!desc->buffer)
+ return false; /* skip the draw call */
+
+ util_memcpy_cpu_to_le32(ptr, desc->list, list_size);
+
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, desc->buffer,
+ RADEON_USAGE_READ, RADEON_PRIO_DESCRIPTORS);
+ }
desc->pointer_dirty = true;
+ desc->dirty_mask = 0;
si_mark_atom_dirty(sctx, &sctx->shader_userdata.atom);
return true;
}
--
2.8.0
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