Differential D7475 Diff 23940 source/blender/imbuf/intern/imageprocess.c

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source/blender/imbuf/intern/imageprocess.c

Show First 20 Lines • Show All 332 Lines • ▼ Show 20 Lines	void nearest_interpolation(ImBuf in, ImBuf out, float x, float y, int xout, int yout)
/* gcc warns these could be uninitialized, but its ok. */		/* gcc warns these could be uninitialized, but its ok. */
pixel_from_buffer(out, &outI, &outF, xout, yout);		pixel_from_buffer(out, &outI, &outF, xout, yout);

nearest_interpolation_color(in, outI, outF, x, y);		nearest_interpolation_color(in, outI, outF, x, y);
}		}

/********************* Threaded image processing ***********************/		/********************* Threaded image processing ***********************/

static void processor_apply_func(TaskPool __restrict pool, void taskdata, int UNUSED(threadid))		static void processor_apply_func(TaskPool __restrict pool, void taskdata)
{		{
void (do_thread)(void ) = (void ()(void ))BLI_task_pool_user_data(pool);		void (do_thread)(void ) = (void ()(void ))BLI_task_pool_user_data(pool);
do_thread(taskdata);		do_thread(taskdata);
}		}

void IMB_processor_apply_threaded(		void IMB_processor_apply_threaded(
int buffer_lines,		int buffer_lines,
int handle_size,		int handle_size,
void *init_customdata,		void *init_customdata,
void(init_handle)(void handle, int start_line, int tot_line, void customdata),		void(init_handle)(void handle, int start_line, int tot_line, void customdata),
void (do_thread)(void ))		void (do_thread)(void ))
{		{
const int lines_per_task = 64;		const int lines_per_task = 64;

TaskScheduler *task_scheduler = BLI_task_scheduler_get();
TaskPool *task_pool;		TaskPool *task_pool;

void *handles;		void *handles;
int total_tasks = (buffer_lines + lines_per_task - 1) / lines_per_task;		int total_tasks = (buffer_lines + lines_per_task - 1) / lines_per_task;
int i, start_line;		int i, start_line;

task_pool = BLI_task_pool_create(task_scheduler, do_thread, TASK_PRIORITY_LOW);		task_pool = BLI_task_pool_create(do_thread, TASK_PRIORITY_LOW);

handles = MEM_callocN(handle_size * total_tasks, "processor apply threaded handles");		handles = MEM_callocN(handle_size * total_tasks, "processor apply threaded handles");

start_line = 0;		start_line = 0;

for (i = 0; i < total_tasks; i++) {		for (i = 0; i < total_tasks; i++) {
int lines_per_current_task;		int lines_per_current_task;
void handle = ((char )handles) + handle_size * i;		void handle = ((char )handles) + handle_size * i;
Show All 22 Lines

typedef struct ScanlineGlobalData {		typedef struct ScanlineGlobalData {
void *custom_data;		void *custom_data;
ScanlineThreadFunc do_thread;		ScanlineThreadFunc do_thread;
int scanlines_per_task;		int scanlines_per_task;
int total_scanlines;		int total_scanlines;
} ScanlineGlobalData;		} ScanlineGlobalData;

static void processor_apply_scanline_func(TaskPool *__restrict pool,		static void processor_apply_scanline_func(TaskPool __restrict pool, void taskdata)
void *taskdata,
int UNUSED(threadid))
{		{
ScanlineGlobalData *data = BLI_task_pool_user_data(pool);		ScanlineGlobalData *data = BLI_task_pool_user_data(pool);
int start_scanline = POINTER_AS_INT(taskdata);		int start_scanline = POINTER_AS_INT(taskdata);
int num_scanlines = min_ii(data->scanlines_per_task, data->total_scanlines - start_scanline);		int num_scanlines = min_ii(data->scanlines_per_task, data->total_scanlines - start_scanline);
data->do_thread(data->custom_data, start_scanline, num_scanlines);		data->do_thread(data->custom_data, start_scanline, num_scanlines);
}		}

void IMB_processor_apply_threaded_scanlines(int total_scanlines,		void IMB_processor_apply_threaded_scanlines(int total_scanlines,
ScanlineThreadFunc do_thread,		ScanlineThreadFunc do_thread,
void *custom_data)		void *custom_data)
{		{
const int scanlines_per_task = 64;		const int scanlines_per_task = 64;
ScanlineGlobalData data;		ScanlineGlobalData data;
data.custom_data = custom_data;		data.custom_data = custom_data;
data.do_thread = do_thread;		data.do_thread = do_thread;
data.scanlines_per_task = scanlines_per_task;		data.scanlines_per_task = scanlines_per_task;
data.total_scanlines = total_scanlines;		data.total_scanlines = total_scanlines;
const int total_tasks = (total_scanlines + scanlines_per_task - 1) / scanlines_per_task;		const int total_tasks = (total_scanlines + scanlines_per_task - 1) / scanlines_per_task;
TaskScheduler *task_scheduler = BLI_task_scheduler_get();		TaskPool *task_pool = BLI_task_pool_create(&data, TASK_PRIORITY_LOW);
TaskPool *task_pool = BLI_task_pool_create(task_scheduler, &data, TASK_PRIORITY_LOW);
for (int i = 0, start_line = 0; i < total_tasks; i++) {		for (int i = 0, start_line = 0; i < total_tasks; i++) {
BLI_task_pool_push(		BLI_task_pool_push(
task_pool, processor_apply_scanline_func, POINTER_FROM_INT(start_line), false, NULL);		task_pool, processor_apply_scanline_func, POINTER_FROM_INT(start_line), false, NULL);
start_line += scanlines_per_task;		start_line += scanlines_per_task;
}		}

/* work and wait until tasks are done */		/* work and wait until tasks are done */
BLI_task_pool_work_and_wait(task_pool);		BLI_task_pool_work_and_wait(task_pool);
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