From 988b6df47254323aa9498bac62dd8ea311dfb45a Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Tue, 21 Jan 2025 15:27:16 -0600
Subject: [PATCH] formatting

---
 src/renderer_d3d11.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/src/renderer_d3d11.c b/src/renderer_d3d11.c
index 23d70e74..d94aa65e 100644
--- a/src/renderer_d3d11.c
+++ b/src/renderer_d3d11.c
@@ -995,8 +995,8 @@ void renderer_cmd_buffer_send_to_gpu(struct renderer_cmd_buffer *cmdbuff)
             continue;
         }
 
-        /* Create / grow vertex buffer */
-        if (!buffer->gpu_vertex_buffer || buffer->gpu_vertex_buffer_capacity < buffer->vertex_count) {
+        /* Grow vertex buffer */
+        if (buffer->gpu_vertex_buffer_capacity < buffer->vertex_count) {
             buffer->gpu_vertex_buffer_capacity = buffer->vertex_count + 5000;
             D3D11_BUFFER_DESC desc = {
                 .Usage = D3D11_USAGE_DYNAMIC,
@@ -1008,8 +1008,8 @@ void renderer_cmd_buffer_send_to_gpu(struct renderer_cmd_buffer *cmdbuff)
             ID3D11Device_CreateBuffer(G.dev, &desc, NULL, &buffer->gpu_vertex_buffer);
         }
 
-        /* Create / grow index buffer */
-        if (!buffer->gpu_index_buffer || buffer->gpu_index_buffer_capacity < buffer->index_count) {
+        /* Grow index buffer */
+        if (buffer->gpu_index_buffer_capacity < buffer->index_count) {
             buffer->gpu_index_buffer_capacity = buffer->index_count + 5000;
             D3D11_BUFFER_DESC desc = {
                 .Usage = D3D11_USAGE_DYNAMIC,
@@ -1021,14 +1021,21 @@ void renderer_cmd_buffer_send_to_gpu(struct renderer_cmd_buffer *cmdbuff)
             ID3D11Device_CreateBuffer(G.dev, &desc, NULL, &buffer->gpu_index_buffer);
         }
 
-        /* Copy data to GPU */
-        D3D11_MAPPED_SUBRESOURCE vtx_resource, idx_resource;
-        ID3D11DeviceContext_Map(G.devcon, (ID3D11Resource *)buffer->gpu_vertex_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &vtx_resource);
-        ID3D11DeviceContext_Map(G.devcon, (ID3D11Resource *)buffer->gpu_index_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &idx_resource);
-        MEMCPY(vtx_resource.pData, buffer->cpu_vertex_buffer, buffer->vertex_count * vertex_size);
-        MEMCPY(idx_resource.pData, buffer->cpu_index_buffer, buffer->index_count * index_size);
-        ID3D11DeviceContext_Unmap(G.devcon, (ID3D11Resource *)buffer->gpu_vertex_buffer, 0);
-        ID3D11DeviceContext_Unmap(G.devcon, (ID3D11Resource *)buffer->gpu_index_buffer, 0);
+        /* Fill GPU vertex buffer */
+        if (buffer->gpu_vertex_buffer) {
+            D3D11_MAPPED_SUBRESOURCE res;
+            ID3D11DeviceContext_Map(G.devcon, (ID3D11Resource *)buffer->gpu_vertex_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &res);
+            MEMCPY(res.pData, buffer->cpu_vertex_buffer, buffer->vertex_count * vertex_size);
+            ID3D11DeviceContext_Unmap(G.devcon, (ID3D11Resource *)buffer->gpu_vertex_buffer, 0);
+        }
+
+        /* Fill GPU index buffer */
+        if (buffer->gpu_index_buffer) {
+            D3D11_MAPPED_SUBRESOURCE res;
+            ID3D11DeviceContext_Map(G.devcon, (ID3D11Resource *)buffer->gpu_index_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &res);
+            MEMCPY(res.pData, buffer->cpu_index_buffer, buffer->index_count * index_size);
+            ID3D11DeviceContext_Unmap(G.devcon, (ID3D11Resource *)buffer->gpu_index_buffer, 0);
+        }
 
         /* Reset CPU buffers */
         buffer->vertex_count = 0;