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r600g: don't use a staging resource for large transfers 

It kills performance if the resource is linear.
This commit is contained in:
Marek Olšák 2012-09-13 20:20:46 +02:00
parent 1f5a7567e8
commit e386972f5b
1 changed files with 0 additions and 10 deletions
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10
src/gallium/drivers/r600/r600_texture.c
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@ -592,13 +592,6 @@ bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
return true;
}
/* Needs adjustment for pixelformat:
*/
static INLINE unsigned u_box_volume( const struct pipe_box *box )
{
return box->width * box->depth * box->height;
}
struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
struct pipe_resource *texture,
unsigned level,
@ -622,9 +615,6 @@ struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
use_staging_texture = TRUE;
}
if ((usage & PIPE_TRANSFER_READ) && u_box_volume(box) > 1024)
use_staging_texture = TRUE;
/* Use a staging texture for uploads if the underlying BO is busy. */
if (!(usage & PIPE_TRANSFER_READ) &&
(rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||