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(task_screenshot.c) Grab global pointer only once

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This commit is contained in:
twinaphex 2016-05-25 02:23:54 +02:00
parent f7ff1c66c4
commit 581f53a7c2
1 changed files with 21 additions and 19 deletions
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40
tasks/task_screenshot.c
View file

@ -53,8 +53,13 @@
#endif
/* Take frame bottom-up. */
static bool screenshot_dump(const char *folder, const void *frame,
unsigned width, unsigned height, int pitch, bool bgr24)
static bool screenshot_dump(
const char *global_name_base,
const char *folder,
const void *frame,
unsigned width,
unsigned height,
int pitch, bool bgr24)
{
char filename[PATH_MAX_LENGTH];
char shotname[256] = {0};
@ -72,8 +77,7 @@ static bool screenshot_dump(const char *folder, const void *frame,
}
else
{
global_t *global = global_get_ptr();
snprintf(shotname, sizeof(shotname),"%s.png", path_basename(global->name.base));
snprintf(shotname, sizeof(shotname),"%s.png", path_basename(global_name_base));
fill_pathname_join(filename, folder, shotname, sizeof(filename));
}
@ -127,7 +131,7 @@ static bool screenshot_dump(const char *folder, const void *frame,
return ret;
}
static bool take_screenshot_viewport(void)
static bool take_screenshot_viewport(const char *global_name_base)
{
char screenshot_path[PATH_MAX_LENGTH] = {0};
const char *screenshot_dir = NULL;
@ -152,14 +156,13 @@ static bool take_screenshot_viewport(void)
if (string_is_empty(screenshot_dir))
{
global_t *global = global_get_ptr();
fill_pathname_basedir(screenshot_path, global->name.base,
fill_pathname_basedir(screenshot_path, global_name_base,
sizeof(screenshot_path));
screenshot_dir = screenshot_path;
}
/* Data read from viewport is in bottom-up order, suitable for BMP. */
if (!screenshot_dump(screenshot_dir, buffer, vp.width, vp.height,
if (!screenshot_dump(global_name_base, screenshot_dir, buffer, vp.width, vp.height,
vp.width * 3, true))
goto done;
@ -171,7 +174,7 @@ done:
return retval;
}
static bool take_screenshot_raw(void)
static bool take_screenshot_raw(const char *global_name_base)
{
unsigned width, height;
size_t pitch;
@ -184,8 +187,7 @@ static bool take_screenshot_raw(void)
if (string_is_empty(settings->directory.screenshot))
{
global_t *global = global_get_ptr();
fill_pathname_basedir(screenshot_path, global->name.base,
fill_pathname_basedir(screenshot_path, global_name_base,
sizeof(screenshot_path));
screenshot_dir = screenshot_path;
}
@ -193,18 +195,17 @@ static bool take_screenshot_raw(void)
/* Negative pitch is needed as screenshot takes bottom-up,
* but we use top-down.
*/
return screenshot_dump(screenshot_dir,
return screenshot_dump(global_name_base, screenshot_dir,
(const uint8_t*)data + (height - 1) * pitch,
width, height, -pitch, false);
}
static bool take_screenshot_choice(void)
static bool take_screenshot_choice(const char *global_name_base)
{
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
/* No way to infer screenshot directory. */
if (string_is_empty(settings->directory.screenshot) && (!*global->name.base))
if (string_is_empty(settings->directory.screenshot) && (!*global_name_base))
return false;
if (video_driver_supports_viewport_read())
@ -212,11 +213,11 @@ static bool take_screenshot_choice(void)
/* Avoid taking screenshot of GUI overlays. */
video_driver_set_texture_enable(false, false);
video_driver_cached_frame_render();
return take_screenshot_viewport();
return take_screenshot_viewport(global_name_base);
}
if (!video_driver_cached_frame_has_valid_framebuffer())
return take_screenshot_raw();
return take_screenshot_raw(global_name_base);
if (video_driver_supports_read_frame_raw())
{
@ -238,7 +239,7 @@ static bool take_screenshot_choice(void)
if (frame_data)
{
video_driver_set_cached_frame_ptr(frame_data);
if (take_screenshot_raw())
if (take_screenshot_raw(global_name_base))
ret = true;
free(frame_data);
}
@ -256,8 +257,9 @@ static bool take_screenshot_choice(void)
**/
bool take_screenshot(void)
{
global_t *global = global_get_ptr();
bool is_paused = runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL);
bool ret = take_screenshot_choice();
bool ret = take_screenshot_choice(global->name.base);
const char *msg_screenshot = ret
? msg_hash_to_str(MSG_TAKING_SCREENSHOT) :
msg_hash_to_str(MSG_FAILED_TO_TAKE_SCREENSHOT);