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[client] renderers: only rebuild the font atlas if marked dirty

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This commit is contained in:
Geoffrey McRae
2026-07-30 12:48:30 +10:00
parent 9657ac7aa2
commit f5dee45adc
6 changed files with 35 additions and 11 deletions
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15
client/renderers/EGL/egl.c
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@@ -584,16 +584,18 @@ static void egl_onResize(LG_Renderer * renderer, const int width, const int heig
!egl_hdrComposeResize(this->hdrCompose, this->width, this->height))
DEBUG_FATAL("Failed to resize the linear HDR composition framebuffer");
// this is needed to refresh the font atlas texture
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplOpenGL3_Init("#version 300 es");
ImGui_ImplOpenGL3_NewFrame();
egl_stateInvalidate();
egl_damageResize(this->damage, this->translateX, this->translateY, this->scaleX, this->scaleY);
egl_desktopResize(this->desktop, this->width, this->height);
}
static bool egl_onFontUpdate(LG_Renderer * renderer)
{
ImGui_ImplOpenGL3_DestroyFontsTexture();
const bool result = ImGui_ImplOpenGL3_CreateFontsTexture();
egl_stateInvalidate();
return result;
}
static bool egl_onMouseShape(LG_Renderer * renderer, const LG_RendererCursor cursor,
const int width, const int height,
const int pitch, const uint8_t * data)
@@ -1650,6 +1652,7 @@ struct LG_RendererOps LGR_EGL =
.getInterop = egl_getInterop,
.onRestart = egl_onRestart,
.onResize = egl_onResize,
.onFontUpdate = egl_onFontUpdate,
.onMouseShape = egl_onMouseShape,
.onMouseColorTransform = egl_onMouseColorTransform,
.onMouseWhiteLevel = egl_onMouseWhiteLevel,

10
client/renderers/OpenGL/opengl.c
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@@ -314,11 +314,12 @@ void opengl_onResize(LG_Renderer * renderer, const int width, const int height,
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, this->window.x, this->window.y, 0, -1, 1);
}
// this is needed to refresh the font atlas texture
ImGui_ImplOpenGL2_Shutdown();
ImGui_ImplOpenGL2_Init();
ImGui_ImplOpenGL2_NewFrame();
static bool opengl_onFontUpdate(LG_Renderer * renderer)
{
ImGui_ImplOpenGL2_DestroyFontsTexture();
return ImGui_ImplOpenGL2_CreateFontsTexture();
}
bool opengl_onMouseShape(LG_Renderer * renderer, const LG_RendererCursor cursor,
@@ -744,6 +745,7 @@ const LG_RendererOps LGR_OpenGL =
.deinitialize = opengl_deinitialize,
.onRestart = opengl_onRestart,
.onResize = opengl_onResize,
.onFontUpdate = opengl_onFontUpdate,
.onMouseShape = opengl_onMouseShape,
.onMouseEvent = opengl_onMouseEvent,
.onFrameFormat = opengl_onFrameFormat,