diff options
Diffstat (limited to 'src/gallium/drivers/swr/swr_screen.cpp')
| -rw-r--r-- | src/gallium/drivers/swr/swr_screen.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp index 9352181fae7..c8ff810e165 100644 --- a/src/gallium/drivers/swr/swr_screen.cpp +++ b/src/gallium/drivers/swr/swr_screen.cpp @@ -61,6 +61,9 @@ #define SWR_MAX_TEXTURE_CUBE_LEVELS 14 /* 8K x 8K for now */ #define SWR_MAX_TEXTURE_ARRAY_LAYERS 512 /* 8K x 512 / 8K x 8K x 512 */ +/* Default max client_copy_limit */ +#define SWR_CLIENT_COPY_LIMIT 32768 + /* Flag indicates creation of alternate surface, to prevent recursive loop * in resource creation when msaa_force_enable is set. */ #define SWR_RESOURCE_FLAG_ALT_SURFACE (PIPE_RESOURCE_FLAG_DRV_PRIV << 0) @@ -1067,6 +1070,16 @@ swr_destroy_screen(struct pipe_screen *p_screen) static void swr_validate_env_options(struct swr_screen *screen) { + /* The client_copy_limit sets a maximum on the amount of user-buffer memory + * copied to scratch space on a draw. Past this, the draw will access + * user-buffer directly and then block. This is faster than queuing many + * large client draws. */ + screen->client_copy_limit = SWR_CLIENT_COPY_LIMIT; + int client_copy_limit = + debug_get_num_option("SWR_CLIENT_COPY_LIMIT", SWR_CLIENT_COPY_LIMIT); + if (client_copy_limit > 0) + screen->client_copy_limit = client_copy_limit; + /* XXX msaa under development, disable by default for now */ screen->msaa_max_count = 0; /* was SWR_MAX_NUM_MULTISAMPLES; */ |