[Mesa-dev] [PATCH mesa 1/3] egl: deduplicate swap interval clamping logic
Eric Engestrom
eric.engestrom at imgtec.com
Tue Aug 1 12:55:35 UTC 2017
Signed-off-by: Eric Engestrom <eric.engestrom at imgtec.com>
Reviewed-by: Daniel Stone <daniels at collabora.com>
---
src/egl/drivers/dri2/platform_wayland.c | 14 +-------------
src/egl/drivers/dri2/platform_x11.c | 9 +--------
src/egl/main/eglapi.c | 12 +++++++++++-
src/egl/main/eglsurface.c | 19 +------------------
4 files changed, 14 insertions(+), 40 deletions(-)
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index ff35507d25..02db473c8c 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -63,10 +63,6 @@ enum wl_drm_format_flags {
HAS_RGB565 = 4,
};
-static EGLBoolean
-dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
- EGLint interval);
-
static int
roundtrip(struct dri2_egl_display *dri2_dpy)
{
@@ -230,8 +226,7 @@ dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
goto cleanup_surf;
}
- dri2_wl_swap_interval(drv, disp, &dri2_surf->base,
- dri2_dpy->default_swap_interval);
+ dri2_surf->base.SwapInterval = dri2_dpy->default_swap_interval;
return &dri2_surf->base;
@@ -1150,13 +1145,6 @@ dri2_wl_swap_interval(_EGLDriver *drv,
_EGLSurface *surf,
EGLint interval)
{
- if (interval > surf->Config->MaxSwapInterval)
- interval = surf->Config->MaxSwapInterval;
- else if (interval < surf->Config->MinSwapInterval)
- interval = surf->Config->MinSwapInterval;
-
- surf->SwapInterval = interval;
-
return EGL_TRUE;
}
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index b01f739010..35c62a4975 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -956,16 +956,9 @@ dri2_x11_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
- if (interval > surf->Config->MaxSwapInterval)
- interval = surf->Config->MaxSwapInterval;
- else if (interval < surf->Config->MinSwapInterval)
- interval = surf->Config->MinSwapInterval;
-
- if (interval != surf->SwapInterval && dri2_dpy->swap_available)
+ if (dri2_dpy->swap_available)
xcb_dri2_swap_interval(dri2_dpy->conn, dri2_surf->drawable, interval);
- surf->SwapInterval = interval;
-
return EGL_TRUE;
}
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 000368a46a..c5e3955c48 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -1201,7 +1201,17 @@ eglSwapInterval(EGLDisplay dpy, EGLint interval)
if (_eglGetSurfaceHandle(surf) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
- ret = drv->API.SwapInterval(drv, disp, surf, interval);
+ interval = CLAMP(interval,
+ surf->Config->MinSwapInterval,
+ surf->Config->MaxSwapInterval);
+
+ if (surf->SwapInterval != interval)
+ ret = drv->API.SwapInterval(drv, disp, surf, interval);
+ else
+ ret = EGL_TRUE;
+
+ if (ret)
+ surf->SwapInterval = interval;
RETURN_EGL_EVAL(disp, ret);
}
diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index f6e41f10d7..3bd14a8cd0 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -45,22 +45,6 @@
#include "eglsurface.h"
-static void
-_eglClampSwapInterval(_EGLSurface *surf, EGLint interval)
-{
- EGLint bound = surf->Config->MaxSwapInterval;
- if (interval >= bound) {
- interval = bound;
- }
- else {
- bound = surf->Config->MinSwapInterval;
- if (interval < bound)
- interval = bound;
- }
- surf->SwapInterval = interval;
-}
-
-
/**
* Parse the list of surface attributes and return the proper error code.
*/
@@ -319,7 +303,7 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
surf->BufferAgeRead = EGL_FALSE;
/* the default swap interval is 1 */
- _eglClampSwapInterval(surf, 1);
+ surf->SwapInterval = 1;
err = _eglParseSurfaceAttribList(surf, attrib_list);
if (err != EGL_SUCCESS)
@@ -565,6 +549,5 @@ EGLBoolean
_eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
EGLint interval)
{
- _eglClampSwapInterval(surf, interval);
return EGL_TRUE;
}
--
Cheers,
Eric
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