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Examples: DirectX9: Wastefully use a RGBA8 texture for the font texture to make compability more evident with user's textures (#521)

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docking
ocornut 9 years ago
parent dafedc3246
commit 07e379a950
1 changed files with 5 additions and 4 deletions
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9
examples/directx9_example/imgui_impl_dx9.cpp
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@ -94,8 +94,9 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA ); g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA ); g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true ); g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 ); g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_DIFFUSE ); g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE ); g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE ); g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE ); g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
@ -234,11 +235,11 @@ static bool ImGui_ImplDX9_CreateFontsTexture()
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
unsigned char* pixels; unsigned char* pixels;
int width, height, bytes_per_pixel; int width, height, bytes_per_pixel;
io.Fonts->GetTexDataAsAlpha8(&pixels, &width, &height, &bytes_per_pixel); io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height, &bytes_per_pixel);
// Upload texture to graphics system // Upload texture to graphics system
g_FontTexture = NULL; g_FontTexture = NULL;
if (D3DXCreateTexture(g_pd3dDevice, width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8, D3DPOOL_DEFAULT, &g_FontTexture) < 0) if (D3DXCreateTexture(g_pd3dDevice, width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8B8G8R8, D3DPOOL_DEFAULT, &g_FontTexture) < 0)
return false; return false;
D3DLOCKED_RECT tex_locked_rect; D3DLOCKED_RECT tex_locked_rect;
if (g_FontTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK) if (g_FontTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK)

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