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Textures: moved UpdateTexturesNewFrame(), UpdateTexturesEndFrame() to a more suitable location in the file.
This commit is contained in:
86
imgui.cpp
86
imgui.cpp
@@ -78,7 +78,7 @@ CODE
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// [SECTION] RENDER HELPERS
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// [SECTION] RENDER HELPERS
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// [SECTION] INITIALIZATION, SHUTDOWN
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// [SECTION] INITIALIZATION, SHUTDOWN
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// [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!)
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// [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!)
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// [SECTION] FONTS
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// [SECTION] FONTS, TEXTURES
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// [SECTION] ID STACK
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// [SECTION] ID STACK
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// [SECTION] INPUTS
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// [SECTION] INPUTS
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// [SECTION] ERROR CHECKING, STATE RECOVERY
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// [SECTION] ERROR CHECKING, STATE RECOVERY
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@@ -5261,46 +5261,6 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags(const ImVec2& mouse_pos)
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io.WantTextInput = (g.WantTextInputNextFrame != -1) ? (g.WantTextInputNextFrame != 0) : false;
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io.WantTextInput = (g.WantTextInputNextFrame != -1) ? (g.WantTextInputNextFrame != 0) : false;
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}
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}
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static void ImGui::UpdateTexturesNewFrame()
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{
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// Cannot update every atlases based on atlas's FrameCount < g.FrameCount, because an atlas may be shared by multiple contexts with different frame count.
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ImGuiContext& g = *GImGui;
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const bool has_textures = (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasTextures) != 0;
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for (ImFontAtlas* atlas : g.FontAtlases)
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{
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if (atlas->OwnerContext == &g)
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{
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ImFontAtlasUpdateNewFrame(atlas, g.FrameCount, has_textures);
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}
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else
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{
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// (1) If you manage font atlases yourself, e.g. create a ImFontAtlas yourself you need to call ImFontAtlasUpdateNewFrame() on it.
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// Otherwise, calling ImGui::CreateContext() without parameter will create an atlas owned by the context.
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// (2) If you have multiple font atlases, make sure the 'atlas->RendererHasTextures' as specified in the ImFontAtlasUpdateNewFrame() call matches for that.
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// (3) If you have multiple imgui contexts, they also need to have a matching value for ImGuiBackendFlags_RendererHasTextures.
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IM_ASSERT(atlas->Builder != NULL && atlas->Builder->FrameCount != -1);
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IM_ASSERT(atlas->RendererHasTextures == has_textures);
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}
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}
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}
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// Build a single texture list
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static void ImGui::UpdateTexturesEndFrame()
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{
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ImGuiContext& g = *GImGui;
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g.PlatformIO.Textures.resize(0);
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for (ImFontAtlas* atlas : g.FontAtlases)
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for (ImTextureData* tex : atlas->TexList)
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{
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// We provide this information so backends can decide whether to destroy textures.
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// This means in practice that if N imgui contexts are created with a shared atlas, we assume all of them have a backend initialized.
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tex->RefCount = (unsigned short)atlas->RefCount;
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g.PlatformIO.Textures.push_back(tex);
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}
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for (ImTextureData* tex : g.UserTextures)
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g.PlatformIO.Textures.push_back(tex);
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}
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// Called once a frame. Followed by SetCurrentFont() which sets up the remaining data.
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// Called once a frame. Followed by SetCurrentFont() which sets up the remaining data.
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// FIXME-VIEWPORT: the concept of a single ClipRectFullscreen is not ideal!
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// FIXME-VIEWPORT: the concept of a single ClipRectFullscreen is not ideal!
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static void SetupDrawListSharedData()
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static void SetupDrawListSharedData()
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@@ -8671,11 +8631,13 @@ bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
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}
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// [SECTION] FONTS
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// [SECTION] FONTS, TEXTURES
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Most of the relevant font logic is in imgui_draw.cpp.
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// Most of the relevant font logic is in imgui_draw.cpp.
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// Those are high-level support functions.
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// Those are high-level support functions.
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// - UpdateTexturesNewFrame() [Internal]
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// - UpdateTexturesEndFrame() [Internal]
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// - UpdateFontsNewFrame() [Internal]
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// - UpdateFontsNewFrame() [Internal]
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// - UpdateFontsEndFrame() [Internal]
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// - UpdateFontsEndFrame() [Internal]
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// - GetDefaultFont() [Internal]
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// - GetDefaultFont() [Internal]
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@@ -8690,6 +8652,46 @@ bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
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// - PopFont()
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// - PopFont()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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static void ImGui::UpdateTexturesNewFrame()
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{
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// Cannot update every atlases based on atlas's FrameCount < g.FrameCount, because an atlas may be shared by multiple contexts with different frame count.
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ImGuiContext& g = *GImGui;
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const bool has_textures = (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasTextures) != 0;
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for (ImFontAtlas* atlas : g.FontAtlases)
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{
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if (atlas->OwnerContext == &g)
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{
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ImFontAtlasUpdateNewFrame(atlas, g.FrameCount, has_textures);
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}
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else
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{
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// (1) If you manage font atlases yourself, e.g. create a ImFontAtlas yourself you need to call ImFontAtlasUpdateNewFrame() on it.
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// Otherwise, calling ImGui::CreateContext() without parameter will create an atlas owned by the context.
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// (2) If you have multiple font atlases, make sure the 'atlas->RendererHasTextures' as specified in the ImFontAtlasUpdateNewFrame() call matches for that.
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// (3) If you have multiple imgui contexts, they also need to have a matching value for ImGuiBackendFlags_RendererHasTextures.
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IM_ASSERT(atlas->Builder != NULL && atlas->Builder->FrameCount != -1);
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IM_ASSERT(atlas->RendererHasTextures == has_textures);
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}
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}
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}
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// Build a single texture list
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static void ImGui::UpdateTexturesEndFrame()
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{
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ImGuiContext& g = *GImGui;
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g.PlatformIO.Textures.resize(0);
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for (ImFontAtlas* atlas : g.FontAtlases)
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for (ImTextureData* tex : atlas->TexList)
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{
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// We provide this information so backends can decide whether to destroy textures.
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// This means in practice that if N imgui contexts are created with a shared atlas, we assume all of them have a backend initialized.
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tex->RefCount = (unsigned short)atlas->RefCount;
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g.PlatformIO.Textures.push_back(tex);
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}
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for (ImTextureData* tex : g.UserTextures)
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g.PlatformIO.Textures.push_back(tex);
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}
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void ImGui::UpdateFontsNewFrame()
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void ImGui::UpdateFontsNewFrame()
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{
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{
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ImGuiContext& g = *GImGui;
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ImGuiContext& g = *GImGui;
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