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Examples: DirectX9: fixed duplicate creation of vertex buffer. Size of static vertex buffer at top of the code.

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This commit is contained in:
ocornut 2015-03-16 10:02:10 +00:00
parent f4970d0e00
commit d3e444dfd9
2 changed files with 4 additions and 5 deletions
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3
examples/directx11_example/imgui_impl_dx11.cpp
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@ -27,6 +27,7 @@ static ID3D11PixelShader* g_pPixelShader = NULL;
static ID3D11SamplerState* g_pFontSampler = NULL; static ID3D11SamplerState* g_pFontSampler = NULL;
static ID3D11ShaderResourceView*g_pFontTextureView = NULL; static ID3D11ShaderResourceView*g_pFontTextureView = NULL;
static ID3D11BlendState* g_blendState = NULL; static ID3D11BlendState* g_blendState = NULL;
static int VERTEX_BUFFER_SIZE = 30000; // TODO: Make vertex buffer smaller and grow dynamically as needed.
struct CUSTOMVERTEX struct CUSTOMVERTEX
{ {
@ -358,7 +359,7 @@ bool ImGui_ImplDX11_CreateDeviceObjects()
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 = 100000 * sizeof(CUSTOMVERTEX); // Maybe we should handle that more dynamically? bufferDesc.ByteWidth = VERTEX_BUFFER_SIZE * sizeof(CUSTOMVERTEX);
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;

6
examples/directx9_example/imgui_impl_dx9.cpp
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@ -15,6 +15,7 @@ static INT64 g_Time = 0;
static INT64 g_TicksPerSecond = 0; static INT64 g_TicksPerSecond = 0;
static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;
static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL;
static int VERTEX_BUFFER_SIZE = 30000; // TODO: Make vertex buffer smaller and grow dynamically as needed.
struct CUSTOMVERTEX struct CUSTOMVERTEX
{ {
@ -183,9 +184,6 @@ bool ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device)
io.RenderDrawListsFn = ImGui_ImplDX9_RenderDrawLists; io.RenderDrawListsFn = ImGui_ImplDX9_RenderDrawLists;
io.ImeWindowHandle = g_hWnd; io.ImeWindowHandle = g_hWnd;
if (g_pd3dDevice->CreateVertexBuffer(10000 * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
return false;
return true; return true;
} }
@ -232,7 +230,7 @@ bool ImGui_ImplDX9_CreateDeviceObjects()
if (!g_pd3dDevice) if (!g_pd3dDevice)
return false; return false;
if (g_pd3dDevice->CreateVertexBuffer(10000 * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0) if (g_pd3dDevice->CreateVertexBuffer(VERTEX_BUFFER_SIZE * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
return false; return false;
ImGui_ImplDX9_CreateFontsTexture(); ImGui_ImplDX9_CreateFontsTexture();