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Revert "windows: Use wglSwapLayerBuffers if available."

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This reverts commit f286558bae.
This commit is contained in:
Ryan C. Gordon 2025-07-13 21:40:42 -04:00
parent 536126fdcf
commit 2d8fd6bee1
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GPG key ID: FA148B892AB48044
2 changed files with 2 additions and 13 deletions
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13
src/video/windows/SDL_windowsopengl.c
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@ -141,9 +141,6 @@ bool WIN_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path)
SDL_LoadFunction(handle, "wglMakeCurrent");
_this->gl_data->wglShareLists = (BOOL (WINAPI *)(HGLRC, HGLRC))
SDL_LoadFunction(handle, "wglShareLists");
_this->gl_data->wglSwapLayerBuffers = (BOOL (WINAPI *)(HDC, UINT))
SDL_LoadFunction(handle, "wglSwapLayerBuffers");
/* *INDENT-ON* */ // clang-format on
#if defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES)
@ -889,14 +886,8 @@ bool WIN_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window)
{
HDC hdc = window->internal->hdc;
if (_this->gl_data->wglSwapLayerBuffers) {
if (!_this->gl_data->wglSwapLayerBuffers(hdc, WGL_SWAP_MAIN_PLANE)) {
return WIN_SetError("wglSwapLayerBuffers()");
}
} else {
if (!SwapBuffers(hdc)) {
return WIN_SetError("SwapBuffers()");
}
if (!SwapBuffers(hdc)) {
return WIN_SetError("SwapBuffers()");
}
return true;
}

2
src/video/windows/SDL_windowsopengl.h
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@ -85,8 +85,6 @@ struct SDL_GLDriverData
BOOL (WINAPI *wglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
BOOL (WINAPI *wglSwapIntervalEXT)(int interval);
int (WINAPI *wglGetSwapIntervalEXT)(void);
BOOL (WINAPI *wglSwapLayerBuffers)(HDC hdc, UINT flags);
#if defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES)
BOOL (WINAPI *wglSwapBuffers)(HDC hdc);
int (WINAPI *wglDescribePixelFormat)(HDC hdc,