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Examples: DirectX11: increasing vertex buffer size (would really need a dynamic buffer size)

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+ Delete unused code
This commit is contained in:
ocornut 2015-01-31 21:12:59 +00:00
parent 381c7428c1
commit 5834297928
1 changed files with 1 additions and 7 deletions
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8
examples/directx11_example/main.cpp
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@ -46,12 +46,6 @@ struct VERTEX_CONSTANT_BUFFER
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f) // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count) static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
{ {
size_t total_vtx_count = 0;
for (int n = 0; n < cmd_lists_count; n++)
total_vtx_count += cmd_lists[n]->vtx_buffer.size();
if (total_vtx_count == 0)
return;
// Copy and convert all vertices into a single contiguous buffer // Copy and convert all vertices into a single contiguous buffer
D3D11_MAPPED_SUBRESOURCE mappedResource; D3D11_MAPPED_SUBRESOURCE mappedResource;
if (g_pd3dDeviceImmediateContext->Map(g_pVB, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource) != S_OK) if (g_pd3dDeviceImmediateContext->Map(g_pVB, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource) != S_OK)
@ -461,7 +455,7 @@ void InitImGui()
D3D11_BUFFER_DESC bufferDesc; D3D11_BUFFER_DESC bufferDesc;
memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC)); memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
bufferDesc.Usage = D3D11_USAGE_DYNAMIC; bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
bufferDesc.ByteWidth = 10000 * sizeof(CUSTOMVERTEX); bufferDesc.ByteWidth = 100000 * sizeof(CUSTOMVERTEX); // Maybe we should handle that more dynamically?
bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
bufferDesc.MiscFlags = 0; bufferDesc.MiscFlags = 0;