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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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21
backends/imgui_impl_vulkan.cpp
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@ -110,13 +110,6 @@ struct ImGui_ImplVulkan_Data
}
};
// 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.
// FIXME: multi-context support is not tested and probably dysfunctional in this backend.
static ImGui_ImplVulkan_Data* ImGui_ImplVulkan_CreateBackendData() { return IM_NEW(ImGui_ImplVulkan_Data)(); }
static ImGui_ImplVulkan_Data* ImGui_ImplVulkan_GetBackendData() { return (ImGui_ImplVulkan_Data*)ImGui::GetIO().BackendRendererUserData; }
static void ImGui_ImplVulkan_DestroyBackendData() { IM_DELETE(ImGui_ImplVulkan_GetBackendData()); }
// Forward Declarations
bool ImGui_ImplVulkan_CreateDeviceObjects();
void ImGui_ImplVulkan_DestroyDeviceObjects();
@ -314,6 +307,14 @@ static uint32_t __glsl_shader_frag_spv[] =
// FUNCTIONS
//-----------------------------------------------------------------------------
// 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.
// FIXME: multi-context support is not tested and probably dysfunctional in this backend.
static ImGui_ImplVulkan_Data* ImGui_ImplVulkan_GetBackendData()
{
return ImGui::GetCurrentContext() ? (ImGui_ImplVulkan_Data*)ImGui::GetIO().BackendRendererUserData : NULL;
}
static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits)
{
ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
@ -1026,7 +1027,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
// Setup backend capabilities flags
ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_CreateBackendData();
ImGui_ImplVulkan_Data* bd = IM_NEW(ImGui_ImplVulkan_Data)();
io.BackendRendererUserData = (void*)bd;
io.BackendRendererName = "imgui_impl_vulkan";
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
@ -1052,10 +1053,12 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
void ImGui_ImplVulkan_Shutdown()
{
ImGuiIO& io = ImGui::GetIO();
ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
ImGui_ImplVulkan_DestroyDeviceObjects();
io.BackendRendererName = NULL;
io.BackendRendererUserData = NULL;
ImGui_ImplVulkan_DestroyBackendData();
IM_DELETE(bd);
}
void ImGui_ImplVulkan_NewFrame()