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Backends: Cleanup, removed unnecessary create/destroy wrappers. Fix allegro5 backend + use same code as other backend.

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+ Update gallery links (#4280)
This commit is contained in:
ocornut
2021-06-30 15:22:15 +02:00
parent 6792e1a3e0
commit cf2daf353e
13 changed files with 129 additions and 121 deletions
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19
backends/imgui_impl_dx9.cpp
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@ -49,12 +49,6 @@ struct ImGui_ImplDX9_Data
ImGui_ImplDX9_Data() { memset(this, 0, sizeof(*this)); VertexBufferSize = 5000; IndexBufferSize = 10000; }
};
// Backend data stored in io.BackendRendererUserData to allow support for multiple Dear ImGui contexts
// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
static ImGui_ImplDX9_Data* ImGui_ImplDX9_CreateBackendData() { return IM_NEW(ImGui_ImplDX9_Data)(); }
static ImGui_ImplDX9_Data* ImGui_ImplDX9_GetBackendData() { return (ImGui_ImplDX9_Data*)ImGui::GetIO().BackendRendererUserData; }
static void ImGui_ImplDX9_DestroyBackendData() { IM_DELETE(ImGui_ImplDX9_GetBackendData()); }
struct CUSTOMVERTEX
{
float pos[3];
@ -69,6 +63,13 @@ struct CUSTOMVERTEX
#define IMGUI_COL_TO_DX9_ARGB(_COL) (((_COL) & 0xFF00FF00) | (((_COL) & 0xFF0000) >> 16) | (((_COL) & 0xFF) << 16))
#endif
// Backend data stored in io.BackendRendererUserData to allow support for multiple Dear ImGui contexts
// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
static ImGui_ImplDX9_Data* ImGui_ImplDX9_GetBackendData()
{
return ImGui::GetCurrentContext() ? (ImGui_ImplDX9_Data*)ImGui::GetIO().BackendRendererUserData : NULL;
}
// Functions
static void ImGui_ImplDX9_SetupRenderState(ImDrawData* draw_data)
{
@ -274,7 +275,7 @@ bool ImGui_ImplDX9_Init(IDirect3DDevice9* device)
IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
// Setup backend capabilities flags
ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_CreateBackendData();
ImGui_ImplDX9_Data* bd = IM_NEW(ImGui_ImplDX9_Data)();
io.BackendRendererUserData = (void*)bd;
io.BackendRendererName = "imgui_impl_dx9";
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
@ -291,10 +292,10 @@ void ImGui_ImplDX9_Shutdown()
ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_GetBackendData();
ImGui_ImplDX9_InvalidateDeviceObjects();
if (bd->pd3dDevice) { bd->pd3dDevice->Release(); bd->pd3dDevice = NULL; }
if (bd->pd3dDevice) { bd->pd3dDevice->Release(); }
io.BackendRendererName = NULL;
io.BackendRendererUserData = NULL;
ImGui_ImplDX9_DestroyBackendData();
IM_DELETE(bd);
}
static bool ImGui_ImplDX9_CreateFontsTexture()