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[KMS/DRM] Correct EGL/GL library loading on window creation, thus saving window re-creation.

This commit is contained in:
Manuel Alfayate Corchete 2020-12-31 01:31:57 +01:00
parent d81fe9239f
commit e34caa9779
2 changed files with 30 additions and 8 deletions
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4
src/video/kmsdrm/SDL_kmsdrmopengles.c
View File

@ -75,8 +75,8 @@ KMSDRM_GLES_LoadLibrary(_THIS, const char *path) {
void
KMSDRM_GLES_UnloadLibrary(_THIS) {
/* As with KMSDRM_GLES_LoadLibrary(), we define our own unloading function so
we manually unload the library whenever we want. */
/* As with KMSDRM_GLES_LoadLibrary(), we define our own "dummy" unloading function
so we manually unload the library whenever we want. */
}
SDL_EGL_CreateContext_impl(KMSDRM)

34
src/video/kmsdrm/SDL_kmsdrmvideo.c
View File

@ -856,16 +856,18 @@ KMSDRM_CreateDevice(int devindex)
device->SetWindowGrab = KMSDRM_SetWindowGrab;
device->DestroyWindow = KMSDRM_DestroyWindow;
device->GetWindowWMInfo = KMSDRM_GetWindowWMInfo;
device->GL_DefaultProfileConfig = KMSDRM_GLES_DefaultProfileConfig;
device->GL_LoadLibrary = KMSDRM_GLES_LoadLibrary;
device->GL_GetProcAddress = KMSDRM_GLES_GetProcAddress;
device->GL_UnloadLibrary = KMSDRM_GLES_UnloadLibrary;
device->GL_CreateContext = KMSDRM_GLES_CreateContext;
device->GL_MakeCurrent = KMSDRM_GLES_MakeCurrent;
device->GL_SetSwapInterval = KMSDRM_GLES_SetSwapInterval;
device->GL_GetSwapInterval = KMSDRM_GLES_GetSwapInterval;
device->GL_SwapWindow = KMSDRM_GLES_SwapWindow;
device->GL_DeleteContext = KMSDRM_GLES_DeleteContext;
/* Those two functions are dummy. We do these things manually. */
device->GL_LoadLibrary = KMSDRM_GLES_LoadLibrary;
device->GL_UnloadLibrary = KMSDRM_GLES_UnloadLibrary;
#if SDL_VIDEO_VULKAN
device->Vulkan_LoadLibrary = KMSDRM_Vulkan_LoadLibrary;
@ -1499,6 +1501,11 @@ KMSDRM_DestroyWindow(_THIS, SDL_Window *window)
SDL_EGL_UnloadLibrary(_this);
}
/* Unload GL library. */
if (_this->gl_config.driver_loaded) {
SDL_GL_UnloadLibrary();
}
/* Free display plane, and destroy GBM device. */
KMSDRM_GBMDeinit(_this, dispdata);
}
@ -1774,6 +1781,16 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
int ret = 0;
if ( !(dispdata->gbm_init) && !is_vulkan && !vulkan_mode ) {
/* Maybe you didn't ask for an OPENGL window, but that's what you will get.
At the end of this function, we must have marked the window as being OPENGL
and we must have loaded the GL library: both things are needed so the
GL_CreateRenderer() and GL_LoadFunctions() calls in SDL_CreateWindow()
succeed without having to re-create the window.
We must load the EGL library too, which can't be loaded until the GBM device
has been created, because SDL_EGL_Library() function uses it. */
window->flags |= SDL_WINDOW_OPENGL;
/* Reopen FD, create gbm dev, setup display plane, etc,.
but only when we come here for the first time,
and only if it's not a VK window. */
@ -1781,19 +1798,24 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
goto cleanup;
}
/* Manually load the EGL library. KMSDRM_EGL_LoadLibrary() has already
/* Manually load the GL library. KMSDRM_EGL_LoadLibrary() has already
been called by SDL_CreateWindow() but we don't do anything there,
precisely to be able to load it here.
If we let SDL_CreateWindow() load the lib, it will be loaded
before we call KMSDRM_GBMInit(), causing GLES programs to fail. */
if (!_this->egl_data) {
egl_display = (NativeDisplayType)((SDL_VideoData *)_this->driverdata)->gbm_dev;
if ((ret = SDL_EGL_LoadLibrary(_this, NULL, egl_display, EGL_PLATFORM_GBM_MESA))) {
if (SDL_EGL_LoadLibrary(_this, NULL, egl_display, EGL_PLATFORM_GBM_MESA)) {
goto cleanup;
}
}
/* Can't init mouse stuff sooner because cursor plane is not ready. */
if (SDL_GL_LoadLibrary(NULL) < 0) {
goto cleanup;
}
}
/* Can't init mouse stuff sooner because cursor plane is not ready,
so we do it here. */
KMSDRM_InitMouse(_this);
/* Since we take cursor buffer way from the cursor plane and