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Examples: DirectX9: tweaks.

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This commit is contained in:
ocornut 2015-08-13 23:07:53 -06:00
parent 698c7cae85
commit c016f6c171
1 changed files with 12 additions and 17 deletions
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17
examples/directx9_example/imgui_impl_dx9.cpp
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@ -219,7 +219,7 @@ void ImGui_ImplDX9_Shutdown()
g_hWnd = 0;
}
static void ImGui_ImplDX9_CreateFontsTexture()
static bool ImGui_ImplDX9_CreateFontsTexture()
{
ImGuiIO& io = ImGui::GetIO();
@ -231,16 +231,10 @@ static void ImGui_ImplDX9_CreateFontsTexture()
// Create DX9 texture
g_FontTexture = NULL;
if (D3DXCreateTexture(g_pd3dDevice, width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8, D3DPOOL_DEFAULT, &g_FontTexture) < 0)
{
IM_ASSERT(0);
return;
}
return false;
D3DLOCKED_RECT tex_locked_rect;
if (g_FontTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK)
{
IM_ASSERT(0);
return;
}
return false;
for (int y = 0; y < height; y++)
memcpy((unsigned char *)tex_locked_rect.pBits + tex_locked_rect.Pitch * y, pixels + (width * bytes_per_pixel) * y, (width * bytes_per_pixel));
g_FontTexture->UnlockRect(0);
@ -251,14 +245,15 @@ static void ImGui_ImplDX9_CreateFontsTexture()
// Cleanup (don't clear the input data if you want to append new fonts later)
io.Fonts->ClearInputData();
io.Fonts->ClearTexData();
return true;
}
bool ImGui_ImplDX9_CreateDeviceObjects()
{
if (!g_pd3dDevice)
return false;
ImGui_ImplDX9_CreateFontsTexture();
if (!ImGui_ImplDX9_CreateFontsTexture())
return false;
return true;
}