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egl_dri2: Flush before context switch and swap buffers.

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DRI does not define any callback to flush the current context.  GLX
loader simply calls glFlush.  Follow the GLX loader here.
This commit is contained in:
Chia-I Wu 2010-04-06 19:52:39 +08:00 • committed by Kristian Høgsberg
parent f8a500d96b
commit 5a27e8e2ae
1 changed files with 18 additions and 0 deletions
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18
src/egl/drivers/dri2/egl_dri2.c
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@ -54,6 +54,8 @@
struct dri2_egl_driver
{
_EGLDriver base;
void (*glFlush)(void);
};
struct dri2_egl_display
@ -923,6 +925,7 @@ static EGLBoolean
dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
_EGLSurface *rsurf, _EGLContext *ctx)
{
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
@ -934,6 +937,10 @@ dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
if (!_eglBindContext(&ctx, &dsurf, &rsurf))
return EGL_FALSE;
/* flush before context switch */
if (ctx && dri2_drv->glFlush)
dri2_drv->glFlush();
ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
@ -1061,10 +1068,18 @@ dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
static EGLBoolean
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
_EGLContext *ctx;
xcb_dri2_copy_region_cookie_t cookie;
if (dri2_drv->glFlush) {
ctx = _eglGetCurrentContext();
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
#if 0
@ -1403,5 +1418,8 @@ _eglMain(const char *args)
dri2_drv->base.Name = "DRI2";
dri2_drv->base.Unload = dri2_unload;
dri2_drv->glFlush =
(void (*)(void)) dri2_get_proc_address(&dri2_drv->base, "glFlush");
return &dri2_drv->base;
}