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remove ui gpu double buffering

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This commit is contained in:
jacob 2026-02-26 14:25:06 -06:00
parent 1397c4a7a4
commit 83cecf39f0
2 changed files with 10 additions and 11 deletions
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18
src/ui/ui_core.c
View File

@ -553,13 +553,13 @@ UI_Frame *UI_BeginFrame(UI_FrameFlag frame_flags)
if (!UI.box_arena) if (!UI.box_arena)
{ {
UI.box_arena = AcquireArena(Gibi(64)); UI.box_arena = AcquireArena(Gibi(64));
UI.gpu_frame_arena = G_AcquireArena();
// Init frames // Init frames
for (u64 i = 0; i < countof(UI.frames); ++i) for (u64 i = 0; i < countof(UI.frames); ++i)
{ {
UI_Frame *frame = &UI.frames[i]; UI_Frame *frame = &UI.frames[i];
frame->arena = AcquireArena(Gibi(64)); frame->arena = AcquireArena(Gibi(64));
frame->rects_arena = AcquireArena(Gibi(64)); frame->rects_arena = AcquireArena(Gibi(64));
frame->gpu_arena = G_AcquireArena();
} }
// Init root box // Init root box
{ {
@ -584,17 +584,15 @@ UI_Frame *UI_BeginFrame(UI_FrameFlag frame_flags)
{ {
Arena *old_arena = frame->arena; Arena *old_arena = frame->arena;
Arena *old_rects_arena = frame->rects_arena; Arena *old_rects_arena = frame->rects_arena;
G_ArenaHandle old_gpu_arena = frame->gpu_arena;
ZeroStruct(frame); ZeroStruct(frame);
frame->arena = old_arena; frame->arena = old_arena;
frame->rects_arena = old_rects_arena; frame->rects_arena = old_rects_arena;
frame->gpu_arena = old_gpu_arena;
} }
frame->window_frame = WND_BeginFrame(G_Format_R16G16B16A16_Float, WND_BackbufferSizeMode_MatchMonitor); frame->window_frame = WND_BeginFrame(G_Format_R16G16B16A16_Float, WND_BackbufferSizeMode_MatchMonitor);
frame->cl = G_PrepareCommandList(G_QueueKind_Direct); frame->cl = G_PrepareCommandList(G_QueueKind_Direct);
ResetArena(frame->arena); ResetArena(frame->arena);
ResetArena(frame->rects_arena); ResetArena(frame->rects_arena);
G_ResetArena(frame->cl, frame->gpu_arena); G_ResetArena(frame->cl, UI.gpu_frame_arena);
{ {
i64 now_ns = TimeNs(); i64 now_ns = TimeNs();
@ -1700,23 +1698,23 @@ void UI_EndFrame(UI_Frame *frame, i32 vsync)
// Target // Target
G_ResourceHandle draw_target = G_PushTexture2D( G_ResourceHandle draw_target = G_PushTexture2D(
frame->gpu_arena, frame->cl, UI.gpu_frame_arena, frame->cl,
G_Format_R16G16B16A16_Float, G_Format_R16G16B16A16_Float,
monitor_size, monitor_size,
G_Layout_DirectQueue_RenderTarget, G_Layout_DirectQueue_RenderTarget,
.flags = G_ResourceFlag_AllowRenderTarget, .flags = G_ResourceFlag_AllowRenderTarget,
.name = Lit("UI draw target") .name = Lit("UI draw target")
); );
G_Texture2DRef draw_target_ro = G_PushTexture2DRef(frame->gpu_arena, draw_target); G_Texture2DRef draw_target_ro = G_PushTexture2DRef(UI.gpu_frame_arena, draw_target);
// Rects // Rects
u64 rects_count = ArenaCount(frame->rects_arena, UI_GpuRect); u64 rects_count = ArenaCount(frame->rects_arena, UI_GpuRect);
G_ResourceHandle rects_buff = G_PushBufferFromCpuCopy( G_ResourceHandle rects_buff = G_PushBufferFromCpuCopy(
frame->gpu_arena, frame->cl, UI.gpu_frame_arena, frame->cl,
StringFromArena(frame->rects_arena), StringFromArena(frame->rects_arena),
.name = Lit("UI rects") .name = Lit("UI rects")
); );
G_StructuredBufferRef rects_ro = G_PushStructuredBufferRef(frame->gpu_arena, rects_buff, UI_GpuRect); G_StructuredBufferRef rects_ro = G_PushStructuredBufferRef(UI.gpu_frame_arena, rects_buff, UI_GpuRect);
// Params // Params
UI_GpuParams params = Zi; UI_GpuParams params = Zi;
@ -1729,11 +1727,11 @@ void UI_EndFrame(UI_Frame *frame, i32 vsync)
params.aa = TweakFloat("UI anti-aliasing", 1, 0, 1); params.aa = TweakFloat("UI anti-aliasing", 1, 0, 1);
} }
G_ResourceHandle params_buff = G_PushBufferFromCpuCopy( G_ResourceHandle params_buff = G_PushBufferFromCpuCopy(
frame->gpu_arena, frame->cl, UI.gpu_frame_arena, frame->cl,
StringFromStruct(&params), StringFromStruct(&params),
.name = Lit("UI gpu params") .name = Lit("UI gpu params")
); );
G_StructuredBufferRef params_ro = G_PushStructuredBufferRef(frame->gpu_arena, params_buff, UI_GpuParams); G_StructuredBufferRef params_ro = G_PushStructuredBufferRef(UI.gpu_frame_arena, params_buff, UI_GpuParams);
// Initial constants // Initial constants
G_SetConstant(frame->cl, UI_GpuConst_Params, params_ro); G_SetConstant(frame->cl, UI_GpuConst_Params, params_ro);

3
src/ui/ui_core.h
View File

@ -377,7 +377,6 @@ Struct(UI_Frame)
{ {
Arena *arena; Arena *arena;
Arena *rects_arena; Arena *rects_arena;
G_ArenaHandle gpu_arena;
WND_Frame window_frame; WND_Frame window_frame;
G_ResourceHandle backbuffer; G_ResourceHandle backbuffer;
@ -423,6 +422,8 @@ Struct(UI_Ctx)
i64 current_frame_tick; i64 current_frame_tick;
UI_Frame frames[2]; UI_Frame frames[2];
G_ArenaHandle gpu_frame_arena;
}; };
extern UI_Ctx UI; extern UI_Ctx UI;