Module: Mesa
Branch: master
Commit: 5fc21c6044166b199d32006d37f94e6d54aef62a
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5fc21c6044166b199d32006d37f94e6d54aef62a

Author: Wu, Zhongmin <zhongmin...@intel.com>
Date:   Thu Jan 18 15:39:22 2018 +0800

egl/android: Implement the eglSwapinterval for Android.

Implement the eglSwapinterval for Android platform to
enable the async mode for some GFX benchmarks such as
Daimler C217, CityBench.

Results of the dEQP-EGL.*swap_interval tests

'dEQP-EGL.functional.query_config.get_config_attrib.max_swap_interval'..
'dEQP-EGL.functional.query_config.get_config_attrib.min_swap_interval'..
'dEQP-EGL.functional.choose_config.simple.selection_only.max_swap_interval'..
'dEQP-EGL.functional.choose_config.simple.selection_only.min_swap_interval'..
'dEQP-EGL.functional.choose_config.simple.selection_and_sort.max_swap_interval'..
'dEQP-EGL.functional.choose_config.simple.selection_and_sort.min_swap_interval'..
'dEQP-EGL.functional.negative_api.swap_interval'..

 Test run totals:
   Passed:        7/7 (100.0%)
   Failed:        0/7 (0.0%)
   Not supported: 0/7 (0.0%)
   Warnings:      0/7 (0.0%)

Signed-off-by: Zhongmin Wu <zhongmin...@intel.com>
Reviewed-by: Eric Engestrom <e...@engestrom.ch>
Reviewed-by: Emil Velikov <emil.veli...@collabora.com>
Reviewed-by: Tomasz Figa <tf...@chromium.org>
[Emil Velikov: polish inline comment, add dEQP stats, s/dpy/disp/]
Signed-off-by: Emil Velikov <emil.veli...@collabora.com>

---

 src/egl/drivers/dri2/platform_android.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/egl/drivers/dri2/platform_android.c 
b/src/egl/drivers/dri2/platform_android.c
index 4f25cb7469..7f1a496ea2 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -417,6 +417,20 @@ droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, 
_EGLSurface *surf)
    return EGL_TRUE;
 }
 
+static EGLBoolean
+droid_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy,
+                   _EGLSurface *surf, EGLint interval)
+{
+   struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
+   struct ANativeWindow *window = dri2_surf->window;
+
+   if (window->setSwapInterval(window, interval))
+      return EGL_FALSE;
+
+   surf->SwapInterval = interval;
+   return EGL_TRUE;
+}
+
 static int
 update_buffers(struct dri2_egl_surface *dri2_surf)
 {
@@ -1127,6 +1141,7 @@ static const struct dri2_egl_display_vtbl 
droid_display_vtbl = {
    .swap_buffers = droid_swap_buffers,
    .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, /* 
Android implements the function */
    .swap_buffers_region = dri2_fallback_swap_buffers_region,
+   .swap_interval = droid_swap_interval,
 #if ANDROID_API_LEVEL >= 23
    .set_damage_region = droid_set_damage_region,
 #else
@@ -1241,6 +1256,12 @@ dri2_initialize_android(_EGLDriver *drv, _EGLDisplay 
*disp)
 
    dri2_setup_screen(disp);
 
+   /* We set the maximum swap interval as 1 for Android platform, since it is
+    * the maximum value supported by Android according to the value of
+    * ANativeWindow::maxSwapInterval.
+    */
+   dri2_setup_swap_interval(disp, 1);
+
    if (!droid_add_configs_for_visuals(drv, disp)) {
       err = "DRI2: failed to add configs";
       goto cleanup;

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