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swr: Move environment config options into separate function.

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Moved reading of environment config options out of
swr_create_screen_internal, into a separate swr_validate_env_options.
This is to keep from cluttering create_screen.

Reviewed-by: Tim Rowley <timothy.o.rowley@intel.com>
This commit is contained in:
Bruce Cherniak
2017-07-12 15:04:46 -05:00
committed by Tim Rowley
parent 5bd9554f3d
commit 1520a06607
1 changed files with 34 additions and 26 deletions
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60
src/gallium/drivers/swr/swr_screen.cpp
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@@ -1063,6 +1063,39 @@ swr_destroy_screen(struct pipe_screen *p_screen)
FREE(screen);
}
static void
swr_validate_env_options(struct swr_screen *screen)
{
/* XXX msaa under development, disable by default for now */
screen->msaa_max_count = 0; /* was SWR_MAX_NUM_MULTISAMPLES; */
/* validate env override values, within range and power of 2 */
int msaa_max_count = debug_get_num_option("SWR_MSAA_MAX_COUNT", 0);
if (msaa_max_count) {
if ((msaa_max_count < 0) || (msaa_max_count > SWR_MAX_NUM_MULTISAMPLES)
|| !util_is_power_of_two(msaa_max_count)) {
fprintf(stderr, "SWR_MSAA_MAX_COUNT invalid: %d\n", msaa_max_count);
fprintf(stderr, "must be power of 2 between 1 and %d" \
" (or 0 to disable msaa)\n",
SWR_MAX_NUM_MULTISAMPLES);
msaa_max_count = 0;
}
fprintf(stderr, "SWR_MSAA_MAX_COUNT: %d\n", msaa_max_count);
if (!msaa_max_count)
fprintf(stderr, "(msaa disabled)\n");
screen->msaa_max_count = msaa_max_count;
}
screen->msaa_force_enable = debug_get_bool_option(
"SWR_MSAA_FORCE_ENABLE", false);
if (screen->msaa_force_enable)
fprintf(stderr, "SWR_MSAA_FORCE_ENABLE: true\n");
}
PUBLIC
struct pipe_screen *
swr_create_screen_internal(struct sw_winsys *winsys)
@@ -1100,32 +1133,7 @@ swr_create_screen_internal(struct sw_winsys *winsys)
util_format_s3tc_init();
/* XXX msaa under development, disable by default for now */
screen->msaa_max_count = 0; /* was SWR_MAX_NUM_MULTISAMPLES; */
/* validate env override values, within range and power of 2 */
int msaa_max_count = debug_get_num_option("SWR_MSAA_MAX_COUNT", 0);
if (msaa_max_count) {
if ((msaa_max_count < 0) || (msaa_max_count > SWR_MAX_NUM_MULTISAMPLES)
|| !util_is_power_of_two(msaa_max_count)) {
fprintf(stderr, "SWR_MSAA_MAX_COUNT invalid: %d\n", msaa_max_count);
fprintf(stderr, "must be power of 2 between 1 and %d" \
" (or 0 to disable msaa)\n",
SWR_MAX_NUM_MULTISAMPLES);
msaa_max_count = 0;
}
fprintf(stderr, "SWR_MSAA_MAX_COUNT: %d\n", msaa_max_count);
if (!msaa_max_count)
fprintf(stderr, "(msaa disabled)\n");
screen->msaa_max_count = msaa_max_count;
}
screen->msaa_force_enable = debug_get_bool_option(
"SWR_MSAA_FORCE_ENABLE", false);
if (screen->msaa_force_enable)
fprintf(stderr, "SWR_MSAA_FORCE_ENABLE: true\n");
swr_validate_env_options(screen);
return &screen->base;
}