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i965: Use BLORP for buffer object stall avoidance blits instead of BLT.

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Improves performance of GFXBench4 tests at 1024x768 on a Kabylake GT2:
- Manhattan 3.1 by 1.32134% +/- 0.322734% (n=8).
- Car Chase by 1.25607% +/- 0.291262% (n=5).

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Kenneth Graunke
2017-08-28 16:08:32 -07:00
parent 3efedf98e8
commit 5ae2de81c8
1 changed files with 11 additions and 11 deletions
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src/mesa/drivers/dri/i965/intel_buffer_objects.c
+11 -11
View File
@@ -37,7 +37,7 @@
#include "x86/common_x86_asm.h"
#include "brw_context.h"
#include "intel_blit.h"
#include "brw_blorp.h"
#include "intel_buffer_objects.h"
#include "intel_batchbuffer.h"
#include "intel_tiled_memcpy.h"
@@ -294,9 +294,9 @@ brw_buffer_subdata(struct gl_context *ctx,
brw_bo_subdata(temp_bo, 0, size, data);
intel_emit_linear_blit(brw,
intel_obj->buffer, offset,
brw_blorp_copy_buffers(brw,
temp_bo, 0,
intel_obj->buffer, offset,
size);
brw_emit_mi_flush(brw);
@@ -533,11 +533,11 @@ brw_flush_mapped_buffer_range(struct gl_context *ctx,
* another blit of that area and the complete newer data will land the
* second time.
*/
intel_emit_linear_blit(brw,
intel_obj->buffer,
obj->Mappings[index].Offset + offset,
brw_blorp_copy_buffers(brw,
intel_obj->range_map_bo[index],
intel_obj->map_extra[index] + offset,
intel_obj->buffer,
obj->Mappings[index].Offset + offset,
length);
mark_buffer_gpu_usage(intel_obj,
obj->Mappings[index].Offset + offset,
@@ -565,10 +565,10 @@ brw_unmap_buffer(struct gl_context *ctx,
brw_bo_unmap(intel_obj->range_map_bo[index]);
if (!(obj->Mappings[index].AccessFlags & GL_MAP_FLUSH_EXPLICIT_BIT)) {
intel_emit_linear_blit(brw,
intel_obj->buffer, obj->Mappings[index].Offset,
brw_blorp_copy_buffers(brw,
intel_obj->range_map_bo[index],
intel_obj->map_extra[index],
intel_obj->buffer, obj->Mappings[index].Offset,
obj->Mappings[index].Length);
mark_buffer_gpu_usage(intel_obj, obj->Mappings[index].Offset,
obj->Mappings[index].Length);
@@ -646,9 +646,9 @@ brw_copy_buffer_subdata(struct gl_context *ctx,
dst_bo = intel_bufferobj_buffer(brw, intel_dst, write_offset, size, true);
src_bo = intel_bufferobj_buffer(brw, intel_src, read_offset, size, false);
intel_emit_linear_blit(brw,
dst_bo, write_offset,
src_bo, read_offset, size);
brw_blorp_copy_buffers(brw,
src_bo, read_offset,
dst_bo, write_offset, size);
/* Since we've emitted some blits to buffers that will (likely) be used
* in rendering operations in other cache domains in this batch, emit a