From d89331f1636f8d53a3c8e9d0f7bfcf7a6041b88a Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 4 Dec 2025 18:50:48 -0800
Subject: Tidy

---
 dxg/include/dxg/dxcommon.h | 2 ++
 dxg/include/dxg/imm.h      | 2 +-
 dxg/src/imm.c              | 8 ++------
 triangle/main.c            | 4 ++--
 4 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/dxg/include/dxg/dxcommon.h b/dxg/include/dxg/dxcommon.h
index 96cf3a5..6cc3466 100644
--- a/dxg/include/dxg/dxcommon.h
+++ b/dxg/include/dxg/dxcommon.h
@@ -43,6 +43,8 @@ static inline free_aligned(alloc_t* alloc) {
 #define FREE(ALLOC) free_aligned(&(ALLOC))
 
 #ifndef NDEBUG
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h> // OutputDebugStringA
 #define DEBUG_PRINT OutputDebugStringA
 #else
 #define DEBUG_PRINT
diff --git a/dxg/include/dxg/imm.h b/dxg/include/dxg/imm.h
index fdee725..831c1b8 100644
--- a/dxg/include/dxg/imm.h
+++ b/dxg/include/dxg/imm.h
@@ -6,7 +6,7 @@
 
 typedef struct DxgImm DxgImm;
 
-DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue*, DXGI_FORMAT swapChainRtvFormat, DXGI_SAMPLE_DESC swapChainSampleDesc, size_t bufferSizeVerts);
+DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue*, DXGI_FORMAT swapChainRtvFormat, DXGI_SAMPLE_DESC swapChainSampleDesc, size_t bufferSize);
 void    dxg_imm_destroy(DxgImm**);
 void    dxg_imm_set_graphics_state(DxgImm*, const D3D12_VIEWPORT*, D3D12_CPU_DESCRIPTOR_HANDLE hBackBufferView, D3D12_CPU_DESCRIPTOR_HANDLE hDepthStencilView);
 void    dxg_imm_flush(DxgImm*);
diff --git a/dxg/src/imm.c b/dxg/src/imm.c
index 28baa99..4a4be93 100644
--- a/dxg/src/imm.c
+++ b/dxg/src/imm.c
@@ -18,9 +18,6 @@ ping-ponging between the two buffers.*/
 #include <imm_vs.h> // generated
 #include <imm_ps.h> // generated
 
-#define WIN32_LEAN_AND_MEAN
-#include <Windows.h> // OutputDebugStringA
-
 #include <stdint.h>
 #include <stdlib.h>
 
@@ -181,7 +178,7 @@ static void dxg_imm_draw(DxgImm* imm) {
     pCmdQueue->lpVtbl->ExecuteCommandLists(pCmdQueue, 1, cmdLists);
 }
 
-DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue* pCmdQueue, DXGI_FORMAT swapChainRtvFormat, DXGI_SAMPLE_DESC swapChainSampleDesc, size_t bufferSizeVerts) {
+DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue* pCmdQueue, DXGI_FORMAT swapChainRtvFormat, DXGI_SAMPLE_DESC swapChainSampleDesc, size_t bufferSize) {
     assert(pDevice);
     assert(pCmdQueue);
 
@@ -192,7 +189,7 @@ DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue* pCmdQueue, DXGI_
 
     imm->pDevice         = pDevice;
     imm->pCmdQueue       = pCmdQueue;
-    imm->bufferSizeVerts = bufferSizeVerts;
+    imm->bufferSizeVerts = bufferSize / 3 / sizeof(float);
     imm->fenceValue      = 0;
 
     // TODO: Move this to the application side.
@@ -271,7 +268,6 @@ DxgImm* dxg_imm_init(ID3D12Device* pDevice, ID3D12CommandQueue* pCmdQueue, DXGI_
     TrapIfFailed(imm->pDevice->lpVtbl->CreateGraphicsPipelineState(
         imm->pDevice, &gpso, &IID_ID3D12PipelineState, &imm->pPipelineState));
 
-    const size_t bufferSize = verts_byte_count(bufferSizeVerts);
     for (int i = 0; i < 2; ++i) {
         imm->resources[i].pVertexBuffer = create_buffer(pDevice, bufferSize);
         if (!imm->resources[i].pVertexBuffer) {
diff --git a/triangle/main.c b/triangle/main.c
index 3413fdf..1ed4c4a 100644
--- a/triangle/main.c
+++ b/triangle/main.c
@@ -9,7 +9,7 @@
 #define HEIGHT 1200
 
 #define SWAP_CHAIN_BUFFER_COUNT 2 // Double-buffering.
-#define IMM_NUM_VERTS 1024
+#define IMM_BUFFER_SIZE (16 * 1024)
 
 typedef struct D3DSettings
 {
@@ -287,7 +287,7 @@ static void d3d_init(D3D* d3d, Window* pWindow, const D3DSettings* pSettings) {
     }
 
     d3d->pImm = dxg_imm_init(
-        d3d->pDevice, d3d->pCommandQueue, swapChainRtvFormat, swapChainSampleDesc, IMM_NUM_VERTS);
+        d3d->pDevice, d3d->pCommandQueue, swapChainRtvFormat, swapChainSampleDesc, IMM_BUFFER_SIZE);
 }
 
 void d3d_destroy(D3D* d3d) {
-- 
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