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r600g: only do necessary cache flushes in cp_dma_clear_buffer

Browse source 
The main impact is that fast color clear doesn't flush TC, CONST, DB.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Marek Olšák 2016-05-26 17:18:13 +02:00
parent c92a3ae7e9
commit 9e62012c30
2 changed files with 18 additions and 14 deletions
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15
src/gallium/drivers/r600/evergreen_hw_context.c
View file

@ -102,15 +102,7 @@ void evergreen_cp_dma_clear_buffer(struct r600_context *rctx,
offset += r600_resource(dst)->gpu_address;
/* Flush the cache where the resource is bound. */
rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
R600_CONTEXT_INV_VERTEX_CACHE |
R600_CONTEXT_INV_TEX_CACHE |
R600_CONTEXT_FLUSH_AND_INV |
R600_CONTEXT_FLUSH_AND_INV_CB |
R600_CONTEXT_FLUSH_AND_INV_DB |
R600_CONTEXT_FLUSH_AND_INV_CB_META |
R600_CONTEXT_FLUSH_AND_INV_DB_META |
R600_CONTEXT_STREAMOUT_FLUSH |
rctx->b.flags |= r600_get_flush_flags(coher) |
R600_CONTEXT_WAIT_3D_IDLE;
while (size) {
@ -158,9 +150,4 @@ void evergreen_cp_dma_clear_buffer(struct r600_context *rctx,
*/
if (coher == R600_COHERENCY_SHADER)
r600_emit_pfp_sync_me(rctx);
/* Invalidate the read caches. */
rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
R600_CONTEXT_INV_VERTEX_CACHE |
R600_CONTEXT_INV_TEX_CACHE;
}

17
src/gallium/drivers/r600/r600_pipe.h
View file

@ -932,6 +932,23 @@ static inline bool r600_can_read_depth(struct r600_texture *rtex)
rtex->resource.b.b.format == PIPE_FORMAT_Z32_FLOAT);
}
static inline unsigned r600_get_flush_flags(enum r600_coherency coher)
{
switch (coher) {
default:
case R600_COHERENCY_NONE:
return 0;
case R600_COHERENCY_SHADER:
return R600_CONTEXT_INV_CONST_CACHE |
R600_CONTEXT_INV_VERTEX_CACHE |
R600_CONTEXT_INV_TEX_CACHE |
R600_CONTEXT_STREAMOUT_FLUSH;
case R600_COHERENCY_CB_META:
return R600_CONTEXT_FLUSH_AND_INV_CB |
R600_CONTEXT_FLUSH_AND_INV_CB_META;
}
}
#define V_028A6C_OUTPRIM_TYPE_POINTLIST 0
#define V_028A6C_OUTPRIM_TYPE_LINESTRIP 1
#define V_028A6C_OUTPRIM_TYPE_TRISTRIP 2