Differential D2214 Diff 7897 intern/cycles/render/tile.cpp

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intern/cycles/render/tile.cpp

Show First 20 Lines • Show All 102 Lines • ▼ Show 20 Lines	TileManager::TileManager(bool progressive_, int num_samples_, int2 tile_size_, int start_resolution_,
BufferParams buffer_params;		BufferParams buffer_params;
reset(buffer_params, 0);		reset(buffer_params, 0);
}		}

TileManager::~TileManager()		TileManager::~TileManager()
{		{
}		}

void TileManager::reset(BufferParams& params_, int num_samples_)		static int get_divider(int w, int h, int start_resolution)
{		{
params = params_;

int divider = 1;		int divider = 1;
int w = params.width, h = params.height;

if(start_resolution != INT_MAX) {		if(start_resolution != INT_MAX) {
while(wh > start_resolutionstart_resolution) {		while(wh > start_resolutionstart_resolution) {
w = max(1, w/2);		w = max(1, w/2);
h = max(1, h/2);		h = max(1, h/2);

divider *= 2;		divider <<= 1;
}		}
}		}
		return divider;
		}

num_samples = num_samples_;		void TileManager::reset(BufferParams& params_, int num_samples_)
		{
		params = params_;

		set_samples(num_samples_);

state.buffer = BufferParams();		state.buffer = BufferParams();
state.sample = range_start_sample - 1;		state.sample = range_start_sample - 1;
state.num_tiles = 0;		state.num_tiles = 0;
state.num_rendered_tiles = 0;		state.num_rendered_tiles = 0;
state.num_samples = 0;		state.num_samples = 0;
state.resolution_divider = divider;		state.resolution_divider = get_divider(params.width, params.height, start_resolution);
state.tiles.clear();		state.tiles.clear();
}		}

void TileManager::set_samples(int num_samples_)		void TileManager::set_samples(int num_samples_)
{		{
num_samples = num_samples_;		num_samples = num_samples_;

		/* No real progress indication is possible when using unlimited samples. */
		if(num_samples == INT_MAX) {
		state.total_pixel_samples = 0;
		}
		else {
		uint64_t pixel_samples = 0;
		/* While rendering in the viewport, the initial preview resolution is increased to the native resolution
		* before the actual rendering begins. Therefore, additional pixel samples will be rendered. */
		int divider = get_divider(params.width, params.height, start_resolution) / 2;
		while(divider > 1) {
		int image_w = max(1, params.width/divider);
		int image_h = max(1, params.height/divider);
		pixel_samples += image_w * image_h;
		divider >>= 1;
		}

		state.total_pixel_samples = pixel_samples + get_num_effective_samples() * params.width*params.height;
		}
}		}

/* If sliced is false, splits image into tiles and assigns equal amount of tiles to every render device.		/* If sliced is false, splits image into tiles and assigns equal amount of tiles to every render device.
* If sliced is true, slice image into as much pieces as how many devices are rendering this image. */		* If sliced is true, slice image into as much pieces as how many devices are rendering this image. */
int TileManager::gen_tiles(bool sliced)		int TileManager::gen_tiles(bool sliced)
{		{
int resolution = state.resolution_divider;		int resolution = state.resolution_divider;
int image_w = max(1, params.width/resolution);		int image_w = max(1, params.width/resolution);
▲ Show 20 Lines • Show All 216 Lines • ▼ Show 20 Lines

int TileManager::get_num_effective_samples()		int TileManager::get_num_effective_samples()
{		{
return (range_num_samples == -1) ? num_samples		return (range_num_samples == -1) ? num_samples
: range_num_samples;		: range_num_samples;
}		}

CCL_NAMESPACE_END		CCL_NAMESPACE_END

		sergeyUnsubmitted Not Done Inline Actions `divider >> 1` ? :) sergey: `divider >> 1` ? :)
		sergeyUnsubmitted Not Done Inline Actions Is this code running on every tile update? sergey: Is this code running on every tile update?