diff options
Diffstat (limited to 'source/blender/blenkernel/intern/image_gpu.c')
| -rw-r--r-- | source/blender/blenkernel/intern/image_gpu.c | 146 |
1 files changed, 126 insertions, 20 deletions
diff --git a/source/blender/blenkernel/intern/image_gpu.c b/source/blender/blenkernel/intern/image_gpu.c index 50138b34fa3..05aa3c89a84 100644 --- a/source/blender/blenkernel/intern/image_gpu.c +++ b/source/blender/blenkernel/intern/image_gpu.c @@ -23,6 +23,7 @@ #include "MEM_guardedalloc.h" +#include "BLI_bitmap.h" #include "BLI_boxpack_2d.h" #include "BLI_linklist.h" #include "BLI_listbase.h" @@ -48,6 +49,16 @@ /* Prototypes. */ static void gpu_free_unused_buffers(void); static void image_free_gpu(Image *ima, const bool immediate); +static void image_update_gputexture_ex( + Image *ima, ImageTile *tile, ImBuf *ibuf, int x, int y, int w, int h); + +/* Internal structs. */ +#define IMA_PARTIAL_REFRESH_TILE_SIZE 256 +typedef struct ImagePartialRefresh { + struct ImagePartialRefresh *next, *prev; + int tile_x; + int tile_y; +} ImagePartialRefresh; /* Is the alpha of the `GPUTexture` for a given image/ibuf premultiplied. */ bool BKE_image_has_gpu_texture_premultiplied_alpha(Image *image, ImBuf *ibuf) @@ -299,19 +310,35 @@ static GPUTexture *image_get_gpu_texture(Image *ima, * the current `pass` and `layer` should be 0. */ short requested_pass = iuser ? iuser->pass : 0; short requested_layer = iuser ? iuser->layer : 0; - short requested_slot = ima->render_slot; - if (ima->gpu_pass != requested_pass || ima->gpu_layer != requested_layer || - ima->gpu_slot != requested_slot) { + if (ima->gpu_pass != requested_pass || ima->gpu_layer != requested_layer) { ima->gpu_pass = requested_pass; ima->gpu_layer = requested_layer; - ima->gpu_slot = requested_slot; ima->gpuflag |= IMA_GPU_REFRESH; } - /* currently, gpu refresh tagging is used by ima sequences */ - if (ima->gpuflag & IMA_GPU_REFRESH) { + /* Check if image has been updated and tagged to be updated (full or partial). */ + ImageTile *tile = BKE_image_get_tile(ima, 0); + if (((ima->gpuflag & IMA_GPU_REFRESH) != 0) || + ((ibuf == NULL || tile == NULL || !tile->ok) && + ((ima->gpuflag & IMA_GPU_PARTIAL_REFRESH) != 0))) { image_free_gpu(ima, true); - ima->gpuflag &= ~IMA_GPU_REFRESH; + BLI_freelistN(&ima->gpu_refresh_areas); + ima->gpuflag &= ~(IMA_GPU_REFRESH | IMA_GPU_PARTIAL_REFRESH); + } + else if (ima->gpuflag & IMA_GPU_PARTIAL_REFRESH) { + BLI_assert(ibuf); + BLI_assert(tile && tile->ok); + ImagePartialRefresh *refresh_area; + while ((refresh_area = BLI_pophead(&ima->gpu_refresh_areas))) { + const int tile_offset_x = refresh_area->tile_x * IMA_PARTIAL_REFRESH_TILE_SIZE; + const int tile_offset_y = refresh_area->tile_y * IMA_PARTIAL_REFRESH_TILE_SIZE; + const int tile_width = MIN2(IMA_PARTIAL_REFRESH_TILE_SIZE, ibuf->x - tile_offset_x); + const int tile_height = MIN2(IMA_PARTIAL_REFRESH_TILE_SIZE, ibuf->y - tile_offset_y); + image_update_gputexture_ex( + ima, tile, ibuf, tile_offset_x, tile_offset_y, tile_width, tile_height); + MEM_freeN(refresh_area); + } + ima->gpuflag &= ~IMA_GPU_PARTIAL_REFRESH; } /* Tag as in active use for garbage collector. */ @@ -328,7 +355,6 @@ static GPUTexture *image_get_gpu_texture(Image *ima, /* Check if we have a valid image. If not, we return a dummy * texture with zero bind-code so we don't keep trying. */ - ImageTile *tile = BKE_image_get_tile(ima, 0); if (tile == NULL || tile->ok == 0) { *tex = image_gpu_texture_error_create(textarget); return *tex; @@ -590,8 +616,8 @@ static void gpu_texture_update_scaled(GPUTexture *tex, } else { /* Partial update with scaling. */ - int limit_w = smaller_power_of_2_limit(full_w); - int limit_h = smaller_power_of_2_limit(full_h); + int limit_w = GPU_texture_width(tex); + int limit_h = GPU_texture_height(tex); ibuf = update_do_scale(rect, rect_float, &x, &y, &w, &h, limit_w, limit_h, full_w, full_h); } @@ -643,7 +669,7 @@ static void gpu_texture_update_from_ibuf( scaled = (ibuf->x != tilesize[0]) || (ibuf->y != tilesize[1]); } else { - scaled = is_over_resolution_limit(ibuf->x, ibuf->y); + scaled = (GPU_texture_width(tex) != ibuf->x) || (GPU_texture_height(tex) != ibuf->y); } if (scaled) { @@ -746,6 +772,22 @@ static void gpu_texture_update_from_ibuf( GPU_texture_unbind(tex); } +static void image_update_gputexture_ex( + Image *ima, ImageTile *tile, ImBuf *ibuf, int x, int y, int w, int h) +{ + GPUTexture *tex = ima->gputexture[TEXTARGET_2D][0]; + /* Check if we need to update the main gputexture. */ + if (tex != NULL && tile == ima->tiles.first) { + gpu_texture_update_from_ibuf(tex, ima, ibuf, NULL, x, y, w, h); + } + + /* Check if we need to update the array gputexture. */ + tex = ima->gputexture[TEXTARGET_2D_ARRAY][0]; + if (tex != NULL) { + gpu_texture_update_from_ibuf(tex, ima, ibuf, tile, x, y, w, h); + } +} + /* Partial update of texture for texture painting. This is often much * quicker than fully updating the texture for high resolution images. */ void BKE_image_update_gputexture(Image *ima, ImageUser *iuser, int x, int y, int w, int h) @@ -757,20 +799,84 @@ void BKE_image_update_gputexture(Image *ima, ImageUser *iuser, int x, int y, int /* Full reload of texture. */ BKE_image_free_gputextures(ima); } + image_update_gputexture_ex(ima, tile, ibuf, x, y, w, h); + BKE_image_release_ibuf(ima, ibuf, NULL); +} - GPUTexture *tex = ima->gputexture[TEXTARGET_2D][0]; - /* Check if we need to update the main gputexture. */ - if (tex != NULL && tile == ima->tiles.first) { - gpu_texture_update_from_ibuf(tex, ima, ibuf, NULL, x, y, w, h); +/* Mark areas on the GPUTexture that needs to be updated. The areas are marked in chunks. + * The next time the GPUTexture is used these tiles will be refreshes. This saves time + * when writing to the same place multiple times This happens for during foreground + * rendering. */ +void BKE_image_update_gputexture_delayed( + struct Image *ima, struct ImBuf *ibuf, int x, int y, int w, int h) +{ + /* Check for full refresh. */ + if (ibuf && x == 0 && y == 0 && w == ibuf->x && h == ibuf->y) { + ima->gpuflag |= IMA_GPU_REFRESH; + } + /* Check if we can promote partial refresh to a full refresh. */ + if ((ima->gpuflag & (IMA_GPU_REFRESH | IMA_GPU_PARTIAL_REFRESH)) == + (IMA_GPU_REFRESH | IMA_GPU_PARTIAL_REFRESH)) { + ima->gpuflag &= ~IMA_GPU_PARTIAL_REFRESH; + BLI_freelistN(&ima->gpu_refresh_areas); + } + /* Image is already marked for complete refresh. */ + if (ima->gpuflag & IMA_GPU_REFRESH) { + return; } - /* Check if we need to update the array gputexture. */ - tex = ima->gputexture[TEXTARGET_2D_ARRAY][0]; - if (tex != NULL) { - gpu_texture_update_from_ibuf(tex, ima, ibuf, tile, x, y, w, h); + /* Schedule the tiles that covers the requested area. */ + const int start_tile_x = x / IMA_PARTIAL_REFRESH_TILE_SIZE; + const int start_tile_y = y / IMA_PARTIAL_REFRESH_TILE_SIZE; + const int end_tile_x = (x + w) / IMA_PARTIAL_REFRESH_TILE_SIZE; + const int end_tile_y = (y + h) / IMA_PARTIAL_REFRESH_TILE_SIZE; + const int num_tiles_x = (end_tile_x + 1) - (start_tile_x); + const int num_tiles_y = (end_tile_y + 1) - (start_tile_y); + const int num_tiles = num_tiles_x * num_tiles_y; + const bool allocate_on_heap = BLI_BITMAP_SIZE(num_tiles) > 16; + BLI_bitmap *requested_tiles = NULL; + if (allocate_on_heap) { + requested_tiles = BLI_BITMAP_NEW(num_tiles, __func__); + } + else { + requested_tiles = BLI_BITMAP_NEW_ALLOCA(num_tiles); } - BKE_image_release_ibuf(ima, ibuf, NULL); + /* Mark the tiles that have already been requested. They don't need to be requested again. */ + int num_tiles_not_scheduled = num_tiles; + LISTBASE_FOREACH (ImagePartialRefresh *, area, &ima->gpu_refresh_areas) { + if (area->tile_x < start_tile_x || area->tile_x > end_tile_x || area->tile_y < start_tile_y || + area->tile_y > end_tile_y) { + continue; + } + int requested_tile_index = (area->tile_x - start_tile_x) + + (area->tile_y - start_tile_y) * num_tiles_x; + BLI_BITMAP_ENABLE(requested_tiles, requested_tile_index); + num_tiles_not_scheduled--; + if (num_tiles_not_scheduled == 0) { + break; + } + } + + /* Schedule the tiles that aren't requested yet. */ + if (num_tiles_not_scheduled) { + int tile_index = 0; + for (int tile_y = start_tile_y; tile_y <= end_tile_y; tile_y++) { + for (int tile_x = start_tile_x; tile_x <= end_tile_x; tile_x++) { + if (!BLI_BITMAP_TEST_BOOL(requested_tiles, tile_index)) { + ImagePartialRefresh *area = MEM_mallocN(sizeof(ImagePartialRefresh), __func__); + area->tile_x = tile_x; + area->tile_y = tile_y; + BLI_addtail(&ima->gpu_refresh_areas, area); + } + tile_index++; + } + } + ima->gpuflag |= IMA_GPU_PARTIAL_REFRESH; + } + if (allocate_on_heap) { + MEM_freeN(requested_tiles); + } } /* these two functions are called on entering and exiting texture paint mode, |