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authorFox Caminiti <fox@foxcam.net>2022-12-16 20:16:43 -0500
committerFox Caminiti <fox@foxcam.net>2022-12-16 20:16:43 -0500
commitbedd6906eabdd513042d6a178d4dc56a3a41d1d3 (patch)
tree2bcbd3e46ae61e583707a2ccc5b3f5cfeacb61a8 /threading.cpp
parentcdb9e1f7240cb0716b7d99df5e1fd7c3fc3407a8 (diff)
v3, file/build organization
Diffstat (limited to 'threading.cpp')
-rw-r--r--threading.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/threading.cpp b/threading.cpp
deleted file mode 100644
index 5a42ea7..0000000
--- a/threading.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-static void
-RenderLayers(render_entry Entry);
-
-static bool32
-CheckQueue(uint16 Index)
-{
- bool32 Result = 0;
- uint32 Q = SDL_AtomicGet(&QueuedEntries);
- uint32 C = SDL_AtomicGet(&CurrentEntry);
- if (Q > C)
- {
- if (SDL_AtomicCAS(&CurrentEntry, C, C + 1)) {
- // printf("C: %i START: F%i Thread %i, region X%i Y%i\n", C, Entry->FrameNumber, Index, Entry->RenderRegion.Min.x, Entry->RenderRegion.Min.y);
- RenderLayers(Entries[C]);
- // printf("END: F%i Thread %i, region X%i Y%i\n", Entry->FrameNumber, Index, Entry->RenderRegion.Min.x, Entry->RenderRegion.Min.y);
- SDL_AtomicAdd(&CompletedEntries, 1);
- Result = 1;
- }
- }
- return Result;
-}
-
-static int
-TestThread(void *ptr)
-{
- uint16 Index = *(uint16 *)ptr;
- for(;;)
- {
- if (!CheckQueue(Index))
- {
- SDL_SemWait(Semaphore);
- }
- }
-}
-
-static bool32
-Threading_IsActive(render_type RenderType)
-{
- int32 Threads = 16;
- if (RenderType == render_type_brush)
- Threads = 4;
- uint32 C = SDL_AtomicGet(&CompletedEntries);
- Assert(C < Threads + 1);
- return (C == Threads) ? false : true;
-}
-
-static void
-Threading_BitmapOp(void *Data, void *OutputBuffer, render_type RenderType, rectangle InitialRenderRegion)
-{
- 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 < i; y++) {
- for (int x = 0; x < i; x++) {
- // if ((x == 0 && y == 0)|| RenderType != render_type_brush) {
-
- rectangle RenderRegion = { TileWidth*x, TileHeight*y,
- TileWidth + TileWidth*x, TileHeight + TileHeight*y };
-
- if (RenderType != render_type_main) {
- 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 (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 (x == i-1)
- RenderRegion.Max.x = InitialRenderRegion.Max.x;
- if (y == i-1)
- RenderRegion.Max.y = InitialRenderRegion.Max.y;
-
- render_entry Entry = { Data, OutputBuffer, RenderType, RenderRegion };
-
- uint32 Q = SDL_AtomicGet(&QueuedEntries);
- *(Entries + Q) = Entry;
- SDL_AtomicAdd(&QueuedEntries, 1);
- SDL_SemPost(Semaphore);
- // }
- }
- }
-}