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intel/blorp_blit: Add split_blorp_blit_debug switch

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Enabling this debug switch causes surface shrinking to happen by
default, and lowers the surface size limit which causes blorp blits to
be split.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jordan Justen
2016-11-22 17:20:42 -08:00
parent da381ae647
commit d6526d7247
1 changed files with 9 additions and 3 deletions
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12
src/intel/blorp/blorp_blit.c
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@@ -28,6 +28,8 @@
#define FILE_DEBUG_FLAG DEBUG_BLORP #define FILE_DEBUG_FLAG DEBUG_BLORP
static const bool split_blorp_blit_debug = false;
/** /**
* Enum to specify the order of arguments in a sampler message * Enum to specify the order of arguments in a sampler message
*/ */
@@ -1517,9 +1519,13 @@ can_shrink_surfaces(const struct blorp_params *params)
} }
static unsigned static unsigned
get_max_surface_size() get_max_surface_size(const struct gen_device_info *devinfo,
const struct blorp_params *params)
{ {
return 16384; if (split_blorp_blit_debug && can_shrink_surfaces(params))
return 16384 >> 4; /* A smaller restriction when debug is enabled */
else
return 16384;
} }
struct blt_axis { struct blt_axis {
@@ -1940,7 +1946,7 @@ do_blorp_blit(struct blorp_batch *batch,
y_scale = -y_scale; y_scale = -y_scale;
bool x_done, y_done; bool x_done, y_done;
bool shrink = false; bool shrink = split_blorp_blit_debug && can_shrink_surfaces(orig_params);
do { do {
params = *orig_params; params = *orig_params;
blit_coords = split_coords; blit_coords = split_coords;