[PATCH weston 2/4] clients & tests: use eglGetPlatformDisplayEXT when supported
Jonny Lamb
jonny.lamb at collabora.co.uk
Fri Mar 20 07:26:51 PDT 2015
Reviewed-by: Derek Foreman <derekf at osg.samsung.com>
Reviewed-by: Bryce Harrington <bryce at osg.samsung.com>
---
Makefile.am | 4 ++-
clients/nested-client.c | 4 ++-
clients/simple-egl.c | 6 +++-
clients/subsurfaces.c | 5 ++-
clients/window.c | 5 ++-
clients/window.h | 1 +
shared/platform.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++
tests/buffer-count-test.c | 9 ++++--
8 files changed, 105 insertions(+), 8 deletions(-)
create mode 100644 shared/platform.h
diff --git a/Makefile.am b/Makefile.am
index c509f6e..863adb2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -74,6 +74,7 @@ weston_SOURCES = \
shared/matrix.c \
shared/matrix.h \
shared/zalloc.h \
+ shared/platform.h \
src/weston-egl-ext.h
nodist_weston_SOURCES = \
@@ -166,7 +167,8 @@ westoninclude_HEADERS = \
src/timeline-object.h \
shared/matrix.h \
shared/config-parser.h \
- shared/zalloc.h
+ shared/zalloc.h \
+ shared/platform.h
if ENABLE_EGL
module_LTLIBRARIES += gl-renderer.la
diff --git a/clients/nested-client.c b/clients/nested-client.c
index 7f237e6..96cf1c8 100644
--- a/clients/nested-client.c
+++ b/clients/nested-client.c
@@ -277,7 +277,9 @@ nested_client_create(void)
/* get globals */
wl_display_roundtrip(client->display);
- client->egl_display = eglGetDisplay(client->display);
+ client->egl_display =
+ weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
+ client->display, NULL);
if (client->egl_display == NULL)
return NULL;
diff --git a/clients/simple-egl.c b/clients/simple-egl.c
index 3040caa..33e02e7 100644
--- a/clients/simple-egl.c
+++ b/clients/simple-egl.c
@@ -46,6 +46,8 @@
#include "protocol/ivi-application-client-protocol.h"
#define IVI_SURFACE_ID 9000
+#include "../shared/platform.h"
+
#ifndef EGL_EXT_swap_buffers_with_damage
#define EGL_EXT_swap_buffers_with_damage 1
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC)(EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
@@ -151,7 +153,9 @@ init_egl(struct display *display, struct window *window)
if (window->opaque || window->buffer_size == 16)
config_attribs[9] = 0;
- display->egl.dpy = eglGetDisplay(display->display);
+ display->egl.dpy =
+ weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
+ display->display, NULL);
assert(display->egl.dpy);
ret = eglInitialize(display->egl.dpy, &major, &minor);
diff --git a/clients/subsurfaces.c b/clients/subsurfaces.c
index fcbe496..5b8fd8d 100644
--- a/clients/subsurfaces.c
+++ b/clients/subsurfaces.c
@@ -38,6 +38,7 @@
#include <wayland-egl.h>
#include <GLES2/gl2.h>
#include <EGL/egl.h>
+#include <EGL/eglext.h>
#include "window.h"
@@ -215,7 +216,9 @@ egl_state_create(struct wl_display *display)
egl = calloc(1, sizeof *egl);
assert(egl);
- egl->dpy = eglGetDisplay(display);
+ egl->dpy =
+ weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
+ display, NULL);
assert(egl->dpy);
ret = eglInitialize(egl->dpy, &major, &minor);
diff --git a/clients/window.c b/clients/window.c
index b84d3b2..2858281 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -5392,7 +5392,10 @@ init_egl(struct display *d)
EGLint api = EGL_OPENGL_API;
#endif
- d->dpy = eglGetDisplay(d->display);
+ d->dpy =
+ weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
+ d->display, NULL);
+
if (!eglInitialize(d->dpy, &major, &minor)) {
fprintf(stderr, "failed to initialize EGL\n");
return -1;
diff --git a/clients/window.h b/clients/window.h
index 5247f19..0686c3f 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -30,6 +30,7 @@
#include <cairo.h>
#include "../shared/config-parser.h"
#include "../shared/zalloc.h"
+#include "../shared/platform.h"
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
diff --git a/shared/platform.h b/shared/platform.h
new file mode 100644
index 0000000..7f847fa
--- /dev/null
+++ b/shared/platform.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright © 2015 Collabora, Ltd.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef WESTON_PLATFORM_H
+#define WESTON_PLATFORM_H
+
+#include <string.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef EGL_EXT_platform_base
+static PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display_ext = NULL;
+
+#ifndef EGL_PLATFORM_WAYLAND_KHR
+#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
+#endif
+#endif /* EGL_EXT_platform_base */
+
+static inline void
+weston_platform_get_egl_proc_addresses(void)
+{
+#ifdef EGL_EXT_platform_base
+ if (!get_platform_display_ext) {
+ const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
+
+ if (strstr(extensions, "EGL_EXT_platform_wayland")
+ || strstr(extensions, "EGL_KHR_platform_wayland")) {
+ get_platform_display_ext =
+ (void *) eglGetProcAddress("eglGetPlatformDisplayEXT");
+ }
+ }
+#endif
+}
+
+static inline EGLDisplay
+weston_platform_get_egl_display(EGLenum platform, void *native_display,
+ const EGLint *attrib_list)
+{
+#ifdef EGL_EXT_platform_base
+ if (!get_platform_display_ext)
+ weston_platform_get_egl_proc_addresses();
+
+ if (get_platform_display_ext)
+ return get_platform_display_ext(platform,
+ native_display, attrib_list);
+ else
+#endif
+ return eglGetDisplay((EGLNativeDisplayType) native_display);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WESTON_PLATFORM_H */
diff --git a/tests/buffer-count-test.c b/tests/buffer-count-test.c
index 43fb089..815e1cc 100644
--- a/tests/buffer-count-test.c
+++ b/tests/buffer-count-test.c
@@ -29,6 +29,7 @@
#include <GLES2/gl2.h>
#include "weston-test-client-helper.h"
+#include "../shared/platform.h"
#define fail(msg) { fprintf(stderr, "%s failed\n", msg); return -1; }
@@ -66,10 +67,12 @@ init_egl(struct test_data *test_data)
EGLint major, minor, n;
EGLBoolean ret;
- test_data->egl_dpy = eglGetDisplay((EGLNativeDisplayType)
- test_data->client->wl_display);
+ test_data->egl_dpy =
+ weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
+ test_data->client->wl_display,
+ NULL);
if (!test_data->egl_dpy)
- fail("eglGetDisplay");
+ fail("eglGetPlatformDisplay or eglGetDisplay");
if (eglInitialize(test_data->egl_dpy, &major, &minor) != EGL_TRUE)
fail("eglInitialize");
--
2.1.4
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