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egl/drm: flatten codeflow

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Rework the code to return early and drop an indentation level.
It should be easier to read.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Emil Velikov
2017-05-22 17:28:12 +01:00
committed by Emil Velikov
parent 4db5e83227
commit 1398ece02c
1 changed files with 19 additions and 18 deletions
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src/egl/drivers/dri2/platform_drm.c
+19 -18
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@@ -428,30 +428,31 @@ dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
if (!dri2_dpy->flush) {
dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
} else {
if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
if (dri2_surf->current)
_eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
if (dri2_surf->color_buffers[i].age > 0)
dri2_surf->color_buffers[i].age++;
return EGL_TRUE;
}
/* Make sure we have a back buffer in case we're swapping without
* ever rendering. */
if (get_back_bo(dri2_surf) < 0) {
_eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
return EGL_FALSE;
}
if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
if (dri2_surf->current)
_eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
if (dri2_surf->color_buffers[i].age > 0)
dri2_surf->color_buffers[i].age++;
dri2_surf->current = dri2_surf->back;
dri2_surf->current->age = 1;
dri2_surf->back = NULL;
/* Make sure we have a back buffer in case we're swapping without
* ever rendering. */
if (get_back_bo(dri2_surf) < 0) {
_eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
return EGL_FALSE;
}
dri2_flush_drawable_for_swapbuffers(disp, draw);
dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
dri2_surf->current = dri2_surf->back;
dri2_surf->current->age = 1;
dri2_surf->back = NULL;
}
dri2_flush_drawable_for_swapbuffers(disp, draw);
dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
return EGL_TRUE;
}