[waffle] [PATCH 2/7] egl: Update wegl_platform_init signature

[Chad Versace]

No intended change in behavior.  Prepares for eventual use of
eglGetPlatformDisplay.

Add an `EGLenum egl_platform` parameter to wegl_platform_init() and
store it at wegl_platform::egl_platform.
---
 src/waffle/egl/wegl_platform.c        | 5 ++++-
 src/waffle/egl/wegl_platform.h        | 5 ++++-
 src/waffle/gbm/wgbm_platform.c        | 2 +-
 src/waffle/wayland/wayland_platform.c | 2 +-
 src/waffle/xegl/xegl_platform.c       | 2 +-
 5 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/waffle/egl/wegl_platform.c b/src/waffle/egl/wegl_platform.c
index 492f0da..7f030bd 100644
--- a/src/waffle/egl/wegl_platform.c
+++ b/src/waffle/egl/wegl_platform.c
@@ -54,8 +54,9 @@ wegl_platform_teardown(struct wegl_platform *self)
     ok &= wcore_platform_teardown(&self->wcore);
     return ok;
 }
+
 bool
-wegl_platform_init(struct wegl_platform *self)
+wegl_platform_init(struct wegl_platform *self, EGLenum egl_platform)
 {
     bool ok;
 
@@ -63,6 +64,8 @@ wegl_platform_init(struct wegl_platform *self)
     if (!ok)
         goto error;
 
+    self->egl_platform = egl_platform;
+
     // Most Waffle platforms will call eglCreateWindowSurface.
     self->egl_surface_type_mask = EGL_WINDOW_BIT;
 
diff --git a/src/waffle/egl/wegl_platform.h b/src/waffle/egl/wegl_platform.h
index 00c3b8e..a3f9a79 100644
--- a/src/waffle/egl/wegl_platform.h
+++ b/src/waffle/egl/wegl_platform.h
@@ -35,6 +35,9 @@
 struct wegl_platform {
     struct wcore_platform wcore;
 
+    // An EGL_PLATFORM_* enum, such as EGL_PLATFORM_GBM_KHR.
+    EGLenum egl_platform;
+
     /// @brief Value of EGLConfig attribute EGL_SURFACE_TYPE
     ///
     /// When calling eglChooseConfig, Waffle sets the EGL_SURFACE_TYPE attribute
@@ -92,4 +95,4 @@ bool
 wegl_platform_teardown(struct wegl_platform *self);
 
 bool
-wegl_platform_init(struct wegl_platform *self);
+wegl_platform_init(struct wegl_platform *self, EGLenum egl_platform);
diff --git a/src/waffle/gbm/wgbm_platform.c b/src/waffle/gbm/wgbm_platform.c
index 2b7f3bc..ee25a26 100644
--- a/src/waffle/gbm/wgbm_platform.c
+++ b/src/waffle/gbm/wgbm_platform.c
@@ -92,7 +92,7 @@ wgbm_platform_init(struct wgbm_platform *self)
 {
     bool ok = true;
 
-    ok = wegl_platform_init(&self->wegl);
+    ok = wegl_platform_init(&self->wegl, EGL_PLATFORM_GBM_KHR);
     if (!ok)
         goto error;
 
diff --git a/src/waffle/wayland/wayland_platform.c b/src/waffle/wayland/wayland_platform.c
index 2746ca1..3627c88 100644
--- a/src/waffle/wayland/wayland_platform.c
+++ b/src/waffle/wayland/wayland_platform.c
@@ -90,7 +90,7 @@ wayland_platform_create(void)
     if (self == NULL)
         return NULL;
 
-    ok = wegl_platform_init(&self->wegl);
+    ok = wegl_platform_init(&self->wegl, EGL_PLATFORM_WAYLAND_KHR);
     if (!ok)
         goto error;
 
diff --git a/src/waffle/xegl/xegl_platform.c b/src/waffle/xegl/xegl_platform.c
index e36a41b..66d7ed6 100644
--- a/src/waffle/xegl/xegl_platform.c
+++ b/src/waffle/xegl/xegl_platform.c
@@ -71,7 +71,7 @@ xegl_platform_create(void)
     if (self == NULL)
         return NULL;
 
-    ok = wegl_platform_init(&self->wegl);
+    ok = wegl_platform_init(&self->wegl, EGL_PLATFORM_X11_KHR);
     if (!ok)
         goto error;
 
-- 
2.10.0