gpu refactor progress

build.bat

@@ -6,7 +6,7 @@ pushd build
 
 for %%a in (%*) do set "%%a=1"
 set program_build_cmd=meta.exe %*
-set meta_build_cmd=cl.exe ../src/meta/meta.c /Od /Z7 /nologo /diagnostics:column /WX /link /DEBUG:FULL /INCREMENTAL:NO
+set meta_build_cmd=cl.exe ../src/meta/meta.c -Od -Z7 -nologo -diagnostics:column -WX -link -DEBUG:FULL -INCREMENTAL:NO
 set meta_rebuild_code=1317212284
 
 ::- Meta build
@@ -16,6 +16,7 @@ if not exist meta.exe (
     %meta_build_cmd%
     set "rc=!errorlevel!"
     if !rc! NEQ 0 (
+        if exist meta.exe del meta.exe
         exit /b !rc!
     )
 )
@@ -26,8 +27,8 @@ if not "%nobuild%"=="1" (
     %program_build_cmd%
     set "rc=!errorlevel!"
     if !rc! NEQ 0 (
-        del meta.exe
         if !rc! EQU %meta_rebuild_code% (
+            del meta.exe
             goto meta_build
         )
         exit /b !rc!

src/base/base.h

@@ -286,15 +286,15 @@ void __asan_unpoison_memory_region(void const volatile *add, size_t);
 
 //- Singly linked list queue (first, last, & next pointers)
 
-#define QueuePushNZ(nil,f,l,n,next) (CheckNil(nil,f) ?         \
+#define QueuePushNZ(nil,f,l,n,next) (CheckNil(nil,f) ?          \
     ((f)=(l)=(n),SetNil(nil,(n)->next)) :                       \
     ((l)->next=(n),(l)=(n),SetNil(nil,(n)->next)))
 
-#define QueuePushFrontNZ(nil,f,l,n,next) (CheckNil(nil,f) ?    \
+#define QueuePushFrontNZ(nil,f,l,n,next) (CheckNil(nil,f) ?     \
     ((f)=(l)=(n),SetNil(nil,(n)->next)) :                       \
     ((n)->next=(f),(f)=(n)))
 
-#define QueuePopNZ(nil,f,l,next) ((f)==(l) ?                   \
+#define QueuePopNZ(nil,f,l,next) ((f)==(l) ?                    \
     (SetNil(nil,f),SetNil(nil,l)) :                             \
     ((f)=(f)->next))
 
@@ -307,7 +307,7 @@ void __asan_unpoison_memory_region(void const volatile *add, size_t);
 
 //- Doubly linked list (first, last, next, & prev pointers)
 
-#define DllInsertNPZ(nil,f,l,p,n,next,prev) (CheckNil(nil,f) ?                         \
+#define DllInsertNPZ(nil,f,l,p,n,next,prev) (CheckNil(nil,f) ?                          \
     ((f) = (l) = (n), SetNil(nil,(n)->next), SetNil(nil,(n)->prev)) :                   \
     CheckNil(nil,p) ?                                                                   \
     ((n)->next = (f), (f)->prev = (n), (f) = (n), SetNil(nil,(n)->prev)) :              \
@@ -315,7 +315,7 @@ void __asan_unpoison_memory_region(void const volatile *add, size_t);
     ((l)->next = (n), (n)->prev = (l), (l) = (n), SetNil(nil, (n)->next)) :             \
     (((!CheckNil(nil,p) && CheckNil(nil,(p)->next)) ? (0) : ((p)->next->prev = (n))), ((n)->next = (p)->next), ((p)->next = (n)), ((n)->prev = (p))))
 
-#define DllRemoveNPZ(nil,f,l,n,next,prev) (((n) == (f) ? (f) = (n)->next : (0)),       \
+#define DllRemoveNPZ(nil,f,l,n,next,prev) (((n) == (f) ? (f) = (n)->next : (0)),        \
     ((n) == (l) ? (l) = (l)->prev : (0)),                                               \
     (CheckNil(nil,(n)->prev) ? (0) :                                                    \
     ((n)->prev->next = (n)->next)),                                                     \

src/base/base_bitbuff.c

@@ -140,10 +140,10 @@ void BB_WriteAlignToNextByte(BB_Writer *bw)
     bw->cur_bit += (8 - (bw->cur_bit & 7)) & 7;
 }
 
-void BB_WriteAlignByte(BB_Writer *bw, u64 align)
+void BB_WriteAlignBytes(BB_Writer *bw, u64 align)
 {
     BB_WriteAlignToNextByte(bw);
-    BB_WriteDebugMagic(bw, BB_DebugMagicKind_AlignByte, align);
+    BB_WriteDebugMagic(bw, BB_DebugMagicKind_AlignBytes, align);
     if (align > 0)
     {
         u64 new_pos = (bw->cur_bit >> 3);
@@ -471,10 +471,10 @@ void BB_ReadAlignToNextByte(BB_Reader *br)
     br->cur_bit += (8 - (br->cur_bit & 7)) & 7;
 }
 
-void BB_ReadAlignByte(BB_Reader *br, u64 align)
+void BB_ReadAlignBytes(BB_Reader *br, u64 align)
 {
     BB_ReadAlignToNextByte(br);
-    BB_ReadDebugMagic(br, BB_DebugMagicKind_AlignByte, align);
+    BB_ReadDebugMagic(br, BB_DebugMagicKind_AlignBytes, align);
     if (align > 0)
     {
         u64 new_pos = (br->cur_bit >> 3);

src/base/base_bitbuff.h

@@ -47,7 +47,7 @@ Struct(BB_Reader)
 /* Magic numbers inserted to verify read/write type & length */
 Enum(BB_DebugMagicKind)
 {
-    BB_DebugMagicKind_AlignByte         = 0x20A4,
+    BB_DebugMagicKind_AlignBytes        = 0x20A4,
     BB_DebugMagicKind_AlignToNextByte   = 0x379A,
     BB_DebugMagicKind_UBits             = 0xCB4A,
     BB_DebugMagicKind_IBits             = 0xB30D,
@@ -90,7 +90,7 @@ b32 BB_CheckWriterOverflowBits(BB_Writer *bw, u64 num_bits);
 
 //- Align
 void BB_WriteAlignToNextByte(BB_Writer *bw);
-void BB_WriteAlignByte(BB_Writer *bw, u64 align);
+void BB_WriteAlignBytes(BB_Writer *bw, u64 align);
 
 //- Bits
 void BB_WriteUBitsNoMagic(BB_Writer *bw, u64 value, u8 num_bits);
@@ -144,7 +144,7 @@ b32 BB_CheckReaderOverflowBits(BB_Reader *br, u64 num_bits);
 
 //- Align
 void BB_ReadAlignToNextByte(BB_Reader *br);
-void BB_ReadAlignByte(BB_Reader *br, u64 align);
+void BB_ReadAlignBytes(BB_Reader *br, u64 align);
 
 //- Bits
 u64 BB_ReadUBitsNoMagic(BB_Reader *br, u8 num_bits);

src/gpu/gpu.h

@@ -163,6 +163,8 @@ Enum(GPU_Format)
 ////////////////////////////////
 //~ Resource types
 
+#define GPU_MaxRenderTargets 8
+
 Enum(GPU_ResourceKind)
 {
     GPU_ResourceKind_Unknown,
@@ -219,12 +221,12 @@ Struct(GPU_ResourceDesc)
 ////////////////////////////////
 //~ Shader types
 
-Struct(GPU_ShaderDesc)
+Struct(GPU_Shader)
 {
-    char *shader_id;
+    char *shader_resource_name;
 };
 
-#define GPU_ShaderDecl(name) static GPU_ShaderDesc name = { .shader_id = #name }
+#define GPU_ShaderDecl(name) static GPU_Shader name = { .shader_resource_name = #name }
 
 ////////////////////////////////
 //~ Rasterizer types
@@ -232,17 +234,29 @@ Struct(GPU_ShaderDesc)
 Enum(GPU_RasterizeMode)
 {
     GPU_RasterizeMode_None,
-    GPU_RasterizeMode_TriangleList
+    GPU_RasterizeMode_PointList,
+    GPU_RasterizeMode_LineList,
+    GPU_RasterizeMode_LineStrip,
+    GPU_RasterizeMode_TriangleList,
+    GPU_RasterizeMode_TriangleStrip,
 };
 
 Struct(GPU_Viewport)
 {
-    i32 _;
+    f32 top_left_x;
+    f32 top_left_y;
+    f32 width;
+    f32 height;
+    f32 min_depth;
+    f32 max_depth;
 };
 
 Struct(GPU_Scissor)
 {
-    i32 _;
+    f32 left;
+    f32 top;
+    f32 right;
+    f32 bottom;
 };
 
 ////////////////////////////////
@@ -263,23 +277,23 @@ Struct(GPU_MemoryInfo)
 };
 
 ////////////////////////////////
-//~ Startup
+//~ @hookdecl Startup
 
 void GPU_Startup(void);
 
 ////////////////////////////////
-//~ Rasterizer helpers
+//~ @hookdecl Rasterizer helpers
 
 GPU_Viewport GPU_ViewportFromRect(Rect rect);
 GPU_Scissor GPU_ScissorFromRect(Rect rect);
 
 ////////////////////////////////
-//~ Fence operations
+//~ @hookdecl Fence operations
 
 GPU_Fence GPU_GetGlobalFence(void);
 
 ////////////////////////////////
-//~ Resource operations
+//~ @hookdecl Resource operations
 
 GPU_Resource *GPU_AcquireResource(GPU_ResourceDesc desc);
 void GPU_ReleaseResource(GPU_Resource *resource, GPU_Fence fence, GPU_ReleaseFlag flags);
@@ -288,18 +302,18 @@ u32 GPU_GetResourceId(GPU_Resource *resource);
 Vec2I32 GPU_GetTextureSize(GPU_Resource *resource);
 
 ////////////////////////////////
-//~ Command list operations
+//~ @hookdecl Command list operations
 
 GPU_CommandList *GPU_BeginCommandList(void);
 GPU_Fence GPU_EndCommandList(GPU_CommandList *cl);
 
 ////////////////////////////////
-//~ Profiling helpers
+//~ @hookdecl Profiling helpers
 
 void GPU_ProfN(GPU_CommandList *cl, String name);
 
 ////////////////////////////////
-//~ Resource transition operations
+//~ @hookdecl Resource transition operations
 
 void GPU_TransitionToSrv(GPU_CommandList *cl, GPU_Resource *resource);
 void GPU_TransitionToUav(GPU_CommandList *cl, GPU_Resource *resource);
@@ -307,39 +321,44 @@ void GPU_TransitionToRtv(GPU_CommandList *cl, GPU_Resource *resource);
 void GPU_FlushUav(GPU_CommandList *cl, GPU_Resource *resource);
 
 ////////////////////////////////
-//~ Dispatch operations
+//~ @hookdecl Dispatch operations
 
-void GPU_DispatchClear(GPU_CommandList *cl, GPU_Resource *resource);
+void GPU_ClearResource(GPU_CommandList *cl, GPU_Resource *resource);
 
-void GPU_DispatchRasterize(GPU_CommandList *cl,
+void GPU_Rasterize(GPU_CommandList *gpu_cl,
-                           GPU_ShaderDesc vs,
+                   u32 sig_size,
-                           GPU_ShaderDesc ps,
+                   void *sig,
-                           void *sig,
+                   GPU_Shader vs,
-                           u32 rts_count,
+                   GPU_Shader ps,
-                           GPU_Resource **rts,
+                   u32 rts_count,
-                           u32 viewports_count,
+                   GPU_Resource **rts,
-                           GPU_Viewport *viewports,
+                   GPU_Viewport viewport,
-                           u32 scissors_count,
+                   GPU_Scissor scissor,
-                           GPU_Scissor *scissors,
+                   u32 instances_count,
-                           u32 instances_count,
+                   GPU_Resource *index_buffer,
-                           GPU_Resource *index_buffer,
+                   GPU_RasterizeMode mode);
-                           GPU_RasterizeMode mode);
 
-void GPU_DispatchCompute(GPU_CommandList *cl, GPU_ShaderDesc cs, void *sig, u32 num_threads_x, u32 num_threads_y, u32 num_threads_z);
+void GPU_Compute(GPU_CommandList *cl,
+                 u32 sig_size,
+                 void *sig,
+                 GPU_Shader cs,
+                 u32 num_threads_x,
+                 u32 num_threads_y,
+                 u32 num_threads_z);
 
 ////////////////////////////////
-//~ Resource copy operations
+//~ @hookdecl Resource copy operations
 
 void GPU_PushResource(GPU_CommandList *cl, GPU_Resource *dst, GPU_Resource *src);
 void GPU_PushString(GPU_CommandList *cl, GPU_Resource *dst, String src);
 
 ////////////////////////////////
-//~ Memory info operations
+//~ @hookdecl Memory info operations
 
 GPU_MemoryInfo GPU_QueryMemoryInfo(void);
 
 ////////////////////////////////
-//~ Swapchain operations
+//~ @hookdecl Swapchain operations
 
 GPU_Swapchain *GPU_AcquireSwapchain(P_Window *window, Vec2I32 size);
 void GPU_ReleaseSwapchain(GPU_Swapchain *swapchain);

src/gpu/gpu_dx12/gpu_dx12.c

@@ -1,5 +1,33 @@
 GPU_D12_SharedState GPU_D12_shared_state = ZI;
 
+////////////////////////////////
+//~ Raw fiber state
+
+GPU_D12_FiberState *GPU_D12_FiberStateFromId(i16 fiber_id)
+{
+    LocalPersist GPU_D12_FiberState *fiber_states[MaxFibers] = ZI;
+    GPU_D12_FiberState *result = fiber_states[fiber_id];
+    if (!result)
+    {
+        Arena *perm = PermArena();
+        fiber_states[fiber_id] = PushStruct(perm, GPU_D12_FiberState);
+        result = fiber_states[fiber_id];
+    }
+    return result;
+}
+
+////////////////////////////////
+//~ Raw command list
+
+GPU_D12_RawCommandList *GPU_D12_BeginRawCommandList(GPU_QueueKind queue_kind)
+{
+    return 0;
+}
+
+void GPU_D12_EndRawCommandList(GPU_D12_RawCommandList *cl)
+{
+}
+
 ////////////////////////////////
 //~ @hookdef Startup hook
 
@@ -12,13 +40,13 @@ void GPU_Startup(void)
 
 GPU_Viewport GPU_ViewportFromRect(Rect rect)
 {
-    LAX rect;
+    /* TODO */
     return (GPU_Viewport) ZI;
 }
 
 GPU_Scissor GPU_ScissorFromRect(Rect rect)
 {
-    LAX rect;
+    /* TODO */
     return (GPU_Scissor) ZI;
 }
 
@@ -35,26 +63,24 @@ GPU_Fence GPU_GetGlobalFence(void)
 
 GPU_Resource *GPU_AcquireResource(GPU_ResourceDesc desc)
 {
-    LAX desc;
+    /* TODO */
     return 0;
 }
 
 void GPU_ReleaseResource(GPU_Resource *resource, GPU_Fence fence, GPU_ReleaseFlag flags)
 {
-    LAX resource;
+    /* TODO */
-    LAX fence;
-    LAX flags;
 }
 
 u32 GPU_GetResourceId(GPU_Resource *resource)
 {
-    LAX resource;
+    /* TODO */
     return 0;
 }
 
 Vec2I32 GPU_GetTextureSize(GPU_Resource *resource)
 {
-    LAX resource;
+    /* TODO */
     return VEC2I32(0, 0);
 }
 
@@ -63,12 +89,145 @@ Vec2I32 GPU_GetTextureSize(GPU_Resource *resource)
 
 GPU_CommandList *GPU_BeginCommandList(void)
 {
-    return 0;
+    GPU_D12_FiberState *f = GPU_D12_FiberStateFromId(FiberId());
+    Arena *perm = PermArena();
+    GPU_D12_CommandList *cl = f->first_free_command_list;
+    StackPop(f->first_free_command_list);
+    if (!cl)
+    {
+        cl = PushStruct(perm, GPU_D12_CommandList);
+    }
+    return (GPU_CommandList *)cl;
 }
 
-GPU_Fence GPU_EndCommandList(GPU_CommandList *cl)
+GPU_Fence GPU_EndCommandList(GPU_CommandList *gpu_cl)
 {
-    LAX cl;
+    GPU_D12_FiberState *f = GPU_D12_FiberStateFromId(FiberId());
+    GPU_D12_CommandList *cl = gpu_cl;
+
+    /* Determine queue kind */
+    GPU_QueueKind queue_kind = GPU_QueueKind_BackgroundCopy;
+    for (GPU_D12_Command *cmd = cl->first; cmd; cmd = cmd->next)
+    {
+    }
+
+    /* Begin dx12 command list */
+    GPU_D12_RawCommandList *dx12_cl = GPU_D12_BeginRawCommandList(queue_kind);
+    ID3D12GraphicsCommandList *rcl = dx12_cl->cl;
+
+    /* Process gpu commands into dx12 commands */
+    {
+
+        for (GPU_D12_Command *cmd = cl->first; cmd; cmd = cmd->next)
+        {
+            GPU_D12_CommandKind kind = cmd->kind;
+            switch (kind)
+            {
+                default: break;
+
+                //- Dispatch Vs/Ps shader
+                case GPU_D12_CommandKind_Rasterize:
+                {
+                    GPU_D12_RawPipeline *pipeline = 0;
+                    {
+                        GPU_D12_RawPipelineDesc pipeline_desc = ZI;
+                        pipeline_desc.vs = cmd->rasterise.vs;
+                        pipeline_desc.ps = cmd->rasterise.ps;
+                        pipeline_desc.render_targets_count = rts_count;
+                        for (u32 i = 0; i < rts_count && i < GPU_MaxRenderTargets; ++i)
+                        {
+                            pipeline_desc.render_target_formats[i] = rts[i]->format;
+                        }
+                        pipeline = GPU_D12_RawPipelineFromDesc(pipeline_desc);
+                    }
+
+                    if (pipeline)
+                    {
+
+                        /* Bind pipeline */
+                        ID3D12GraphicsCommandList_SetPipelineState(rc, pipeline->raw);
+
+                        /* Fill signature */
+                        {
+                            u32 sig_size = cmd->rasterize.sig_size;
+                            void *sig = cmd->rasterize.sig;
+                            u32 num32bit = sig_size / 4;
+                            ID3D12GraphicsCommandList_SetGraphicsRoot32BitConstants(rcl, 0, num32bit, sig, 0);
+                        }
+
+                        /* Set rasterizer state */
+                        {
+                            D3D12_RECT scissor = GPU_D12_ScissorRectFromRect(ui_viewport);
+                            scissor.left = cmd->rasterize.scissor.left;
+                            scissor.top = cmd->rasterize.scissor.top;
+                            scissor.right = cmd->rasterize.scissor.right;
+                            scissor.bottom = cmd->rasterize.scissor.bottom;
+                            D3D12_VIEWPORT viewport = ZI;
+                            viewport.TopLeftX = cmd->rasterize.viewport.top_left_x;
+                            viewport.TopLeftY = cmd->rasterize.viewport.top_left_y;
+                            viewport.Width = cmd->rasterize.viewport.width;
+                            viewport.Height = cmd->rasterize.viewport.height;
+                            viewport.MinDepth = cmd->rasterize.viewport.min_depth;
+                            viewport.MaxDepth = cmd->rasterize.viewport.max_depth;
+                            ID3D12GraphicsCommandList_RSSetScissorRects(rcl, 1, &scissor);
+                            ID3D12GraphicsCommandList_RSSetViewports(rcl, 1, &viewport);
+                        }
+
+                        /* Set topology */
+                        {
+                            D3D_PRIMITIVE_TOPOLOGY topology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
+                            switch (cmd->rasterize.mode)
+                            {
+                                default: Assert(0); break;
+                                case GPU_RasterizeMode_PointList:      topology = D3D_PRIMITIVE_TOPOLOGY_POINTLIST;      break;
+                                case GPU_RasterizeMode_LineList:       topology = D3D_PRIMITIVE_TOPOLOGY_LINELIST;       break;
+                                case GPU_RasterizeMode_LineStrip:      topology = D3D_PRIMITIVE_TOPOLOGY_LINESTRIP;      break;
+                                case GPU_RasterizeMode_TriangleList:   topology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;   break;
+                                case GPU_RasterizeMode_TriangleStrip:  topology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP;  break;
+                            }
+                            ID3D12GraphicsCommandList_IASetPrimitiveTopology(rcl, topology);
+                        }
+
+                        /* Set index buffer */
+                        u32 indices_count = 0;
+                        {
+                            GPU_D12_Resource *indices = cmd->rasterizer.index_buffer;
+                            if (indices)
+                            {
+                                D3D12_INDEX_BUFFER_VIEW ibv = ZI;
+                                ibv.buffer_location = indices->gpu_address;
+                                ibv.format = indices->format;
+                                ibv.SizeInBytes = indices->size;
+                                indices_count = indices->count;
+                            }
+                        }
+
+                        /* Dispatch */
+                        ID3D12GraphicsCommandList_DrawIndexedInstanced(rcl, cmd->rasterize.instance_count, indices_count, 0, 0, 0);
+                    }
+                } break;
+
+                //- Dispatch compute shader
+                case GPU_D12_CommandKind_Compute:
+                {
+                } break;
+            }
+        }
+    }
+
+    /* End dx12 command list */
+    GPU_D12_EndRawCommandList(rcl);
+
+    /* Free commands */
+    if (cl->last)
+    {
+        cl->last->next = f->first_free_command;
+        f->first_free_command = cl->first;
+    }
+
+    /* Free command list */
+    StackPush(f->first_free_command_list, cl);
+
     return (GPU_Fence) ZI;
 }
 
@@ -77,8 +236,7 @@ GPU_Fence GPU_EndCommandList(GPU_CommandList *cl)
 
 void GPU_ProfN(GPU_CommandList *cl, String name)
 {
-    LAX cl;
+    /* TODO */
-    LAX name;
 }
 
 ////////////////////////////////
@@ -86,74 +244,57 @@ void GPU_ProfN(GPU_CommandList *cl, String name)
 
 void GPU_TransitionToSrv(GPU_CommandList *cl, GPU_Resource *resource)
 {
-    LAX cl;
+    /* TODO */
-    LAX resource;
 }
 
 void GPU_TransitionToUav(GPU_CommandList *cl, GPU_Resource *resource)
 {
-    LAX cl;
+    /* TODO */
-    LAX resource;
 }
 
 void GPU_TransitionToRtv(GPU_CommandList *cl, GPU_Resource *resource)
 {
-    LAX cl;
+    /* TODO */
-    LAX resource;
 }
 
 void GPU_FlushUav(GPU_CommandList *cl, GPU_Resource *resource)
 {
-    LAX cl;
+    /* TODO */
-    LAX resource;
 }
 
 ////////////////////////////////
 //~ @hookdef Dispatch hooks
 
-void GPU_DispatchClear(GPU_CommandList *cl, GPU_Resource *resource)
+void GPU_ClearResource(GPU_CommandList *cl, GPU_Resource *resource)
 {
-    LAX cl;
+    /* TODO */
-    LAX resource;
 }
 
-void GPU_DispatchRasterize(GPU_CommandList *cl,
+void GPU_Rasterize(GPU_CommandList *gpu_cl,
-                           GPU_ShaderDesc vs,
+                   GPU_Shader vs,
-                           GPU_ShaderDesc ps,
+                   GPU_Shader ps,
-                           void *sig,
+                   u32 sig_size,
-                           u32 rts_count,
+                   void *sig,
-                           GPU_Resource **rts,
+                   u32 rts_count,
-                           u32 viewports_count,
+                   GPU_Resource **rts,
-                           GPU_Viewport *viewports,
+                   GPU_Viewport viewport,
-                           u32 scissors_count,
+                   GPU_Scissor scissor,
-                           GPU_Scissor *scissors,
+                   u32 instances_count,
-                           u32 instances_count,
+                   GPU_Resource *index_buffer,
-                           GPU_Resource *index_buffer,
+                   GPU_RasterizeMode mode)
-                           GPU_RasterizeMode mode)
 {
-    LAX cl;
+    /* TODO */
-    LAX vs;
-    LAX ps;
-    LAX sig;
-    LAX rts_count;
-    LAX rts;
-    LAX viewports_count;
-    LAX *viewports;
-    LAX scissors_count;
-    LAX scissors;
-    LAX instances_count;
-    LAX index_buffer;
-    LAX mode;
 }
 
-void GPU_DispatchCompute(GPU_CommandList *cl, GPU_ShaderDesc cs, void *sig, u32 num_threads_x, u32 num_threads_y, u32 num_threads_z)
+void GPU_Compute(GPU_CommandList *cl,
+                 GPU_Shader cs,
+                 u32 sig_size,
+                 void *sig,
+                 u32 num_threads_x,
+                 u32 num_threads_y,
+                 u32 num_threads_z)
 {
-    LAX cl;
+    /* TODO */
-    LAX cs;
-    LAX sig;
-    LAX num_threads_x;
-    LAX num_threads_y;
-    LAX num_threads_z;
 }
 
 ////////////////////////////////
@@ -161,16 +302,12 @@ void GPU_DispatchCompute(GPU_CommandList *cl, GPU_ShaderDesc cs, void *sig, u32
 
 void GPU_PushResource(GPU_CommandList *cl, GPU_Resource *dst, GPU_Resource *src)
 {
-    LAX cl;
+    /* TODO */
-    LAX dst;
-    LAX src;
 }
 
 void GPU_PushString(GPU_CommandList *cl, GPU_Resource *dst, String src)
 {
-    LAX cl;
+    /* TODO */
-    LAX dst;
-    LAX src;
 }
 
 ////////////////////////////////
@@ -178,6 +315,7 @@ void GPU_PushString(GPU_CommandList *cl, GPU_Resource *dst, String src)
 
 GPU_MemoryInfo GPU_QueryMemoryInfo(void)
 {
+    /* TODO */
     return (GPU_MemoryInfo) ZI;
 }
 
@@ -186,26 +324,21 @@ GPU_MemoryInfo GPU_QueryMemoryInfo(void)
 
 GPU_Swapchain *GPU_AcquireSwapchain(P_Window *window, Vec2I32 size)
 {
-    LAX window;
+    /* TODO */
-    LAX size;
     return 0;
 }
 
 void GPU_ReleaseSwapchain(GPU_Swapchain *swapchain)
 {
-    LAX swapchain;
+    /* TODO */
 }
 
 void GPU_WaitOnSwapchain(GPU_Swapchain *swapchain)
 {
-    LAX swapchain;
+    /* TODO */
 }
 
 void GPU_PresentSwapchain(GPU_Swapchain *swapchain, Vec2I32 backbuffer_resolution, GPU_Resource *texture, Xform texture_xf, i32 vsync)
 {
-    LAX swapchain;
+    /* TODO */
-    LAX backbuffer_resolution;
-    LAX texture;
-    LAX texture_xf;
-    LAX vsync;
 }

src/gpu/gpu_dx12/gpu_dx12.h

@@ -1,3 +1,69 @@
+////////////////////////////////
+//~ Raw command list types
+
+Struct(GPU_D12_RawCommandList)
+{
+    struct ID3D12CommandAllocator *ca;
+    struct ID3D12GraphicsCommandList *cl;
+};
+
+////////////////////////////////
+//~ Command types
+
+Enum(GPU_D12_CommandKind)
+{
+    GPU_D12_CommandKind_None,
+    GPU_D12_CommandKind_Rasterize,
+    GPU_D12_CommandKind_Compute,
+};
+
+Struct(GPU_D12_Command)
+{
+    GPU_D12_Command *next;
+    GPU_D12_CommandKind kind;
+
+    union
+    {
+        struct
+        {
+            GPU_Shader vs;
+            GPU_Shader ps;
+            u32 sig_size;
+            void *sig;
+            u32 rts_count;
+            GPU_Resource **rts;
+            u32 viewports_count;
+            GPU_Viewport *viewports;
+            u32 scissors_count;
+            GPU_Scissor *scissors;
+            u32 instances_count;
+            GPU_Resource *index_buffer;
+            GPU_RasterizeMode mode;
+        } rasterize;
+        struct
+        {
+            i32 _;
+        } compute;
+    };
+};
+
+Struct(GPU_D12_CommandList)
+{
+    GPU_D12_CommandList *next;
+    GPU_D12_Command *first;
+    GPU_D12_Command *last;
+    u64 count;
+};
+
+////////////////////////////////
+//~ Fiber state
+
+Struct(GPU_D12_FiberState)
+{
+    GPU_D12_CommandList *first_free_command_list;
+    GPU_D12_Command *first_free_command;
+};
+
 ////////////////////////////////
 //~ Shared state
 
@@ -7,3 +73,14 @@ Struct(GPU_D12_SharedState)
 };
 
 extern GPU_D12_SharedState GPU_D12_shared_state;
+
+////////////////////////////////
+//~ Fiber state operations
+
+GPU_D12_FiberState *GPU_D12_FiberStateFromId(i16 fiber_id);
+
+////////////////////////////////
+//~ Raw command list operations
+
+GPU_D12_RawCommandList *GPU_D12_BeginRawCommandList(GPU_QueueKind queue_kind);
+void GPU_D12_EndRawCommandList(GPU_D12_RawCommandList *cl);

src/meta/meta.c

@@ -289,7 +289,7 @@ void StartupMeta(void)
             M_Token *entry_tok = entry->name_token;
             M_Token *arg0_tok = entry->arg_tokens[0];
             M_Token *arg1_tok = entry->arg_tokens[1];
-            switch(kind)
+            switch (kind)
             {
                 case M_EntryKind_Unknown:
                 {
@@ -556,13 +556,13 @@ void StartupMeta(void)
             String file_data = F_DataFromFile(arena, en->file_name);
 
             /* Write name */
-            BB_WriteAlignByte(&bw, 64);
+            BB_WriteAlignBytes(&bw, 64);
             u64 name_start = BB_GetNumBytesWritten(&bw) + 1;
             BB_WriteString(&bw, en->entry_name);
             u64 name_len = BB_GetNumBytesWritten(&bw) - name_start;
 
             /* Write data */
-            BB_WriteAlignByte(&bw, 64);
+            BB_WriteAlignBytes(&bw, 64);
             /* FIXME: Why no +1 here? */
             u64 data_start = BB_GetNumBytesWritten(&bw);
             BB_WriteBytes(&bw, file_data);

src/meta/meta_lay.c

@@ -433,7 +433,7 @@ M_Layer M_GetFlattenedEntries(Arena *arena, M_LayerList unflattened, StringList
         while (stack)
         {
             StackNode *stack_node = stack;
-            IterState *state = stack->state;
+            IterState *state = stack_node->state;
             M_Layer *layer = state->layer;
             StackPop(stack);
 

src/pp/pp.c

@@ -2209,8 +2209,8 @@ void UpdateUser(P_Window *window)
                 GPU_ProfN(cl, Lit("Clear gbuffers"));
                 GPU_TransitionToRtv(cl, g->albedo);
                 GPU_TransitionToRtv(cl, g->emittance);
-                GPU_DispatchClear(cl, g->albedo);
+                GPU_ClearResource(cl, g->albedo);
-                GPU_DispatchClear(cl, g->emittance);
+                GPU_ClearResource(cl, g->emittance);
             }
 
             //- Material pass
@@ -2229,15 +2229,15 @@ void UpdateUser(P_Window *window)
                 sig.projection = world_to_render_vp_matrix;
                 sig.instances_urid = GPU_GetResourceId(material_instance_buffer);
                 sig.grids_urid = GPU_GetResourceId(grids_buffer);
-                GPU_DispatchRasterize(cl,
+                GPU_Rasterize(cl,
-                                     MaterialVS, MaterialPS,
+                              MaterialVS, MaterialPS,
-                                     &sig,
+                              &sig,
-                                     countof(rts), rts,
+                              countof(rts), rts,
-                                     1, &viewport,
+                              viewport,
-                                     1, &scissor,
+                              scissor,
-                                     g->material_instances_count,
+                              g->material_instances_count,
-                                     quad_index_buffer,
+                              quad_index_buffer,
-                                     GPU_RasterizeMode_TriangleList);
+                              GPU_RasterizeMode_TriangleList);
             }
 
             //- Prep flood pass
@@ -2272,7 +2272,7 @@ void UpdateUser(P_Window *window)
                     sig.target_flood_tex_urid = GPU_GetResourceId(g->emittance_flood_target);
                     sig.tex_width = g->render_size.x;
                     sig.tex_height = g->render_size.y;
-                    GPU_DispatchCompute(cl, FloodCS, &sig, (g->render_size.x + 7) / 8, (g->render_size.y + 7) / 8, 1);
+                    GPU_Compute(cl, FloodCS, &sig, (g->render_size.x + 7) / 8, (g->render_size.y + 7) / 8, 1);
 
                     /* Swap buffers */
                     GPU_Resource *swp = g->emittance_flood_read;
@@ -2301,7 +2301,7 @@ void UpdateUser(P_Window *window)
                 GPU_TransitionToUav(cl, g->shade_target);
                 GPU_FlushUav(cl, g->emittance_flood_read);
                 GPU_FlushUav(cl, g->shade_read);
-                GPU_DispatchClear(cl, g->shade_target);
+                GPU_ClearResource(cl, g->shade_target);
             }
 
             //- Shade pass
@@ -2329,7 +2329,7 @@ void UpdateUser(P_Window *window)
                 sig.emittance_flood_tex_urid = GPU_GetResourceId(g->emittance_flood_read);
                 sig.read_tex_urid = GPU_GetResourceId(g->shade_read);
                 sig.target_tex_urid = GPU_GetResourceId(g->shade_target);
-                GPU_DispatchCompute(cl, ShadeCS, &sig, (g->render_size.x + 7) / 8, (g->render_size.y + 7) / 8, 1);
+                GPU_Compute(cl, ShadeCS, &sig, (g->render_size.x + 7) / 8, (g->render_size.y + 7) / 8, 1);
 
                 /* Swap */
                 GPU_Resource *swp = g->shade_read;
@@ -2343,7 +2343,7 @@ void UpdateUser(P_Window *window)
                 GPU_ProfN(cl, Lit("Clear ui target"));
                 GPU_TransitionToRtv(cl, g->ui_target);
                 GPU_FlushUav(cl, g->shade_read);
-                GPU_DispatchClear(cl, g->ui_target);
+                GPU_ClearResource(cl, g->ui_target);
             }
 
             //- Ui blit pass
@@ -2360,15 +2360,15 @@ void UpdateUser(P_Window *window)
                 sig.exposure = 2.0;
                 sig.gamma = (f32)2.2;
                 sig.tex_urid = GPU_GetResourceId(g->shade_read);
-                GPU_DispatchRasterize(cl,
+                GPU_Rasterize(cl,
-                                     UiBlitVS, UiBlitPS,
+                              UiBlitVS, UiBlitPS,
-                                     &sig,
+                              &sig,
-                                     1, &g->ui_target,
+                              1, &g->ui_target,
-                                     1, &viewport,
+                              viewport,
-                                     1, &scissor,
+                              scissor,
-                                     1,
+                              1,
-                                     quad_index_buffer,
+                              quad_index_buffer,
-                                     GPU_RasterizeMode_TriangleList);
+                              GPU_RasterizeMode_TriangleList);
             }
 
             //- Ui rect pass
@@ -2382,15 +2382,15 @@ void UpdateUser(P_Window *window)
                 UiRectSig sig = ZI;
                 sig.projection = ui_vp_matrix;
                 sig.instances_urid = GPU_GetResourceId(ui_rect_instance_buffer);
-                GPU_DispatchRasterize(cl,
+                GPU_Rasterize(cl,
-                                     UiRectVS, UiRectPS,
+                              UiRectVS, UiRectPS,
-                                     &sig,
+                              &sig,
-                                     1, &g->ui_target,
+                              1, &g->ui_target,
-                                     1, &viewport,
+                              viewport,
-                                     1, &scissor,
+                              scissor,
-                                     g->ui_rect_instances_count,
+                              g->ui_rect_instances_count,
-                                     quad_index_buffer,
+                              quad_index_buffer,
-                                     GPU_RasterizeMode_TriangleList);
+                              GPU_RasterizeMode_TriangleList);
             }
 
             //- Ui shape pass
@@ -2404,15 +2404,15 @@ void UpdateUser(P_Window *window)
                 UiShapeSig sig = ZI;
                 sig.projection = ui_vp_matrix;
                 sig.verts_urid = GPU_GetResourceId(ui_shape_verts_buffer);
-                GPU_DispatchRasterize(cl,
+                GPU_Rasterize(cl,
-                                     UiShapeVS, UiShapePS,
+                              UiShapeVS, UiShapePS,
-                                     &sig,
+                              &sig,
-                                     1, &g->ui_target,
+                              1, &g->ui_target,
-                                     1, &viewport,
+                              viewport,
-                                     1, &scissor,
+                              scissor,
-                                     1,
+                              1,
-                                     ui_shape_indices_buffer,
+                              ui_shape_indices_buffer,
-                                     GPU_RasterizeMode_TriangleList);
+                              GPU_RasterizeMode_TriangleList);
             }
         }
         g->render_fence = GPU_EndCommandList(cl);

src/sprite/sprite.c

@@ -2,13 +2,6 @@ Readonly S_Texture S_NilTexture = ZI;
 Readonly S_Sheet S_NilSheet = ZI;
 S_SharedState S_shared_state = ZI;
 
-////////////////////////////////
-//~ Startup
-
-void S_Startup(void)
-{
-}
-
 ////////////////////////////////
 //~ Load jobs
 

src/sprite/sprite.h

@@ -132,11 +132,6 @@ Struct(S_SharedState)
 
 extern S_SharedState S_shared_state;
 
-////////////////////////////////
-//~ Startup
-
-void S_Startup(void);
-
 ////////////////////////////////
 //~ Load jobs
 

src/sprite/sprite.lay

@@ -9,6 +9,3 @@
 
 //- Impl
 @IncludeC sprite.c
-
-//- Startup
-@Startup S_Startup