diff options
Diffstat (limited to 'threading.cpp')
| -rw-r--r-- | threading.cpp | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/threading.cpp b/threading.cpp index 84e5463..f1d7284 100644 --- a/threading.cpp +++ b/threading.cpp @@ -34,50 +34,58 @@ TestThread(void *ptr) } static bool32 -Threading_IsActive() +Threading_IsActive(render_type RenderType) { + int32 Threads = 16; + if (RenderType == render_type_brush) + Threads = 4; uint32 C = SDL_AtomicGet(&CompletedEntries); - Assert(C < 17); - return (C == 16) ? false : true; + Assert(C < Threads + 1); + return (C == Threads) ? false : true; } static void -Threading_BitmapOp(void *Data, void *OutputBuffer, rectangle InitialRenderRegion) +Threading_BitmapOp(void *Data, void *OutputBuffer, render_type RenderType, rectangle InitialRenderRegion) { - uint16 TileWidth = (InitialRenderRegion.Max.x - InitialRenderRegion.Min.x) / 4; - uint16 TileHeight = (InitialRenderRegion.Max.y - InitialRenderRegion.Min.y) / 4; + int i = (RenderType != render_type_brush) ? 4 : 2; + uint16 TileWidth = (InitialRenderRegion.Max.x - InitialRenderRegion.Min.x) / i; + uint16 TileHeight = (InitialRenderRegion.Max.y - InitialRenderRegion.Min.y) / i; SDL_AtomicSet(&QueuedEntries, 0); SDL_AtomicSet(&CurrentEntry, 0); SDL_AtomicSet(&CompletedEntries, 0); - for (int y = 0; y < 4; y++) { - for (int x = 0; x < 4; x++) { - // if (x == y) { - rectangle RenderRegion = { TileWidth*x, TileHeight*y, TileWidth + TileWidth*x, TileHeight + TileHeight*y }; + for (int y = 0; y < i; y++) { + for (int x = 0; x < i; x++) { + // if ((x == 0 && y == 0)|| RenderType != render_type_brush) { - RenderRegion.Min.x -= RenderRegion.Min.x % 8; - RenderRegion.Min.y -= RenderRegion.Min.y % 8; - RenderRegion.Max.x -= RenderRegion.Max.x % 8; - RenderRegion.Max.y -= RenderRegion.Max.y % 8; + rectangle RenderRegion = { TileWidth*x, TileHeight*y, + TileWidth + TileWidth*x, TileHeight + TileHeight*y }; - if (RenderRegion.Max.x > InitialRenderRegion.Max.x) - RenderRegion.Max.x = InitialRenderRegion.Max.x; - if (RenderRegion.Max.y > InitialRenderRegion.Max.y) - RenderRegion.Max.y = InitialRenderRegion.Max.y; + if (RenderType == render_type_brush) { + RenderRegion.Min.x += InitialRenderRegion.Min.x; + RenderRegion.Min.y += InitialRenderRegion.Min.y; + RenderRegion.Max.x += InitialRenderRegion.Min.x; + RenderRegion.Max.y += InitialRenderRegion.Min.y; + } - if (x == 3) - RenderRegion.Max.x = InitialRenderRegion.Max.x; - if (y == 3) - RenderRegion.Max.y = InitialRenderRegion.Max.y; + if (RenderRegion.Max.x > InitialRenderRegion.Max.x) + RenderRegion.Max.x = InitialRenderRegion.Max.x; + if (RenderRegion.Max.y > InitialRenderRegion.Max.y) + RenderRegion.Max.y = InitialRenderRegion.Max.y; - render_entry Entry = { Data, OutputBuffer, RenderRegion }; + if (x == i-1) + RenderRegion.Max.x = InitialRenderRegion.Max.x; + if (y == i-1) + RenderRegion.Max.y = InitialRenderRegion.Max.y; - uint32 Q = SDL_AtomicGet(&QueuedEntries); - *(Entries + Q) = Entry; - SDL_AtomicAdd(&QueuedEntries, 1); - SDL_SemPost(Semaphore); - } - // } + render_entry Entry = { Data, OutputBuffer, RenderType, RenderRegion }; + + uint32 Q = SDL_AtomicGet(&QueuedEntries); + *(Entries + Q) = Entry; + SDL_AtomicAdd(&QueuedEntries, 1); + SDL_SemPost(Semaphore); + // } + } } } |