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weston/0001-gl-renderer-Take-a-list-of-acceptable-formats-in-cre.patch
Adam Jackson ae11f13b26 weston 1.7.92 
- Backport patches to fall back to argb buffer if no xrgb is available
2015-05-26 12:47:04 -04:00

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From e76f185050e86116ad03fdc0119505dd8c3b367a Mon Sep 17 00:00:00 2001
From: Derek Foreman <derekf@osg.samsung.com>
Date: Fri, 15 May 2015 12:12:39 -0500
Subject: [PATCH 1/2] gl-renderer: Take a list of acceptable formats in create
functions
Currently we pass either a single format or no formats to the gl renderer
create and output_create functions. We extend this to any number of
formats so we can allow fallback formats if we don't get our first pick.
Reviewed-By: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-By: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
---
src/compositor-drm.c | 5 ++--
src/compositor-fbdev.c | 4 +--
src/compositor-wayland.c | 12 ++++----
src/compositor-x11.c | 5 ++--
src/gl-renderer.c | 71 ++++++++++++++++++++++++++++++++----------------
src/gl-renderer.h | 6 ++--
6 files changed, 66 insertions(+), 37 deletions(-)
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 0cdb8f4..69bdcfd 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -1398,7 +1398,7 @@ drm_compositor_create_gl_renderer(struct drm_compositor *ec)
format = ec->format;
if (gl_renderer->create(&ec->base, EGL_PLATFORM_GBM_KHR, (void *) ec->gbm,
- gl_renderer->opaque_attribs, &format) < 0) {
+ gl_renderer->opaque_attribs, &format, 1) < 0) {
return -1;
}
@@ -1620,7 +1620,8 @@ drm_output_init_egl(struct drm_output *output, struct drm_compositor *ec)
(EGLNativeDisplayType)output->surface,
output->surface,
gl_renderer->opaque_attribs,
- &format) < 0) {
+ &format,
+ 1) < 0) {
weston_log("failed to create gl renderer output state\n");
gbm_surface_destroy(output->surface);
return -1;
diff --git a/src/compositor-fbdev.c b/src/compositor-fbdev.c
index 7c505ce..3f3394f 100644
--- a/src/compositor-fbdev.c
+++ b/src/compositor-fbdev.c
@@ -570,7 +570,7 @@ fbdev_output_create(struct fbdev_compositor *compositor,
if (gl_renderer->output_create(&output->base,
(EGLNativeWindowType)NULL, NULL,
gl_renderer->opaque_attribs,
- NULL) < 0) {
+ NULL, 0) < 0) {
weston_log("gl_renderer_output_create failed.\n");
goto out_shadow_surface;
}
@@ -871,7 +871,7 @@ fbdev_compositor_create(struct wl_display *display, int *argc, char *argv[],
if (gl_renderer->create(&compositor->base, NO_EGL_PLATFORM,
EGL_DEFAULT_DISPLAY,
gl_renderer->opaque_attribs,
- NULL) < 0) {
+ NULL, 0) < 0) {
weston_log("gl_renderer_create failed.\n");
goto out_launcher;
}
diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
index 303151c..c9983e0 100644
--- a/src/compositor-wayland.c
+++ b/src/compositor-wayland.c
@@ -648,7 +648,8 @@ wayland_output_init_gl_renderer(struct wayland_output *output)
output->gl.egl_window,
output->gl.egl_window,
gl_renderer->alpha_attribs,
- NULL) < 0)
+ NULL,
+ 0) < 0)
goto cleanup_window;
return 0;
@@ -1970,10 +1971,11 @@ wayland_compositor_create(struct wl_display *display, int use_pixman,
if (!c->use_pixman) {
if (gl_renderer->create(&c->base,
- EGL_PLATFORM_WAYLAND_KHR,
- c->parent.wl_display,
- gl_renderer->alpha_attribs,
- NULL) < 0) {
+ EGL_PLATFORM_WAYLAND_KHR,
+ c->parent.wl_display,
+ gl_renderer->alpha_attribs,
+ NULL,
+ 0) < 0) {
weston_log("Failed to initialize the GL renderer; "
"falling back to pixman.\n");
c->use_pixman = 1;
diff --git a/src/compositor-x11.c b/src/compositor-x11.c
index 5129e85..3565677 100644
--- a/src/compositor-x11.c
+++ b/src/compositor-x11.c
@@ -906,7 +906,8 @@ x11_compositor_create_output(struct x11_compositor *c, int x, int y,
(EGLNativeWindowType) output->window,
&xid,
gl_renderer->opaque_attribs,
- NULL);
+ NULL,
+ 0);
if (ret < 0)
return NULL;
}
@@ -1493,7 +1494,7 @@ init_gl_renderer(struct x11_compositor *c)
return -1;
ret = gl_renderer->create(&c->base, EGL_PLATFORM_X11_KHR, (void *) c->dpy,
- gl_renderer->opaque_attribs, NULL);
+ gl_renderer->opaque_attribs, NULL, 0);
return ret;
}
diff --git a/src/gl-renderer.c b/src/gl-renderer.c
index ae3122f..248c8aa 100644
--- a/src/gl-renderer.c
+++ b/src/gl-renderer.c
@@ -1898,14 +1898,38 @@ log_egl_config_info(EGLDisplay egldpy, EGLConfig eglconfig)
}
static int
+match_config_to_visual(EGLDisplay egl_display,
+ EGLint visual_id,
+ EGLConfig *configs,
+ int count)
+{
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ EGLint id;
+
+ if (!eglGetConfigAttrib(egl_display,
+ configs[i], EGL_NATIVE_VISUAL_ID,
+ &id))
+ continue;
+
+ if (id == visual_id)
+ return i;
+ }
+
+ weston_log("Unable to find an appropriate EGL config.\n");
+ return -1;
+}
+
+static int
egl_choose_config(struct gl_renderer *gr, const EGLint *attribs,
- const EGLint *visual_id,
+ const EGLint *visual_id, const int n_ids,
EGLConfig *config_out)
{
EGLint count = 0;
EGLint matched = 0;
EGLConfig *configs;
- int i;
+ int i, config_index = -1;
if (!eglGetConfigs(gr->egl_display, NULL, 0, &count) || count < 1)
return -1;
@@ -1915,31 +1939,27 @@ egl_choose_config(struct gl_renderer *gr, const EGLint *attribs,
return -1;
if (!eglChooseConfig(gr->egl_display, attribs, configs,
- count, &matched))
+ count, &matched) || !matched)
goto out;
- for (i = 0; i < matched; ++i) {
- EGLint id;
+ if (!visual_id)
+ config_index = 0;
- if (visual_id) {
- if (!eglGetConfigAttrib(gr->egl_display,
- configs[i], EGL_NATIVE_VISUAL_ID,
- &id))
- continue;
+ for (i = 0; config_index == -1 && i < n_ids; i++)
+ config_index = match_config_to_visual(gr->egl_display,
+ visual_id[i],
+ configs,
+ matched);
- if (id != 0 && id != *visual_id)
- continue;
- }
-
- *config_out = configs[i];
-
- free(configs);
- return 0;
- }
+ if (config_index != -1)
+ *config_out = configs[config_index];
out:
free(configs);
- return -1;
+ if (config_index == -1)
+ return -1;
+
+ return 0;
}
static void
@@ -1976,7 +1996,8 @@ gl_renderer_output_create(struct weston_output *output,
EGLNativeWindowType window_for_legacy,
void *window_for_platform,
const EGLint *attribs,
- const EGLint *visual_id)
+ const EGLint *visual_id,
+ int n_ids)
{
struct weston_compositor *ec = output->compositor;
struct gl_renderer *gr = get_renderer(ec);
@@ -1984,7 +2005,8 @@ gl_renderer_output_create(struct weston_output *output,
EGLConfig egl_config;
int i;
- if (egl_choose_config(gr, attribs, visual_id, &egl_config) == -1) {
+ if (egl_choose_config(gr, attribs, visual_id,
+ n_ids, &egl_config) == -1) {
weston_log("failed to choose EGL config for output\n");
return -1;
}
@@ -2260,7 +2282,7 @@ platform_to_extension(EGLenum platform)
static int
gl_renderer_create(struct weston_compositor *ec, EGLenum platform,
void *native_window, const EGLint *attribs,
- const EGLint *visual_id)
+ const EGLint *visual_id, int n_ids)
{
struct gl_renderer *gr;
EGLint major, minor;
@@ -2323,7 +2345,8 @@ gl_renderer_create(struct weston_compositor *ec, EGLenum platform,
goto err_egl;
}
- if (egl_choose_config(gr, attribs, visual_id, &gr->egl_config) < 0) {
+ if (egl_choose_config(gr, attribs, visual_id,
+ n_ids, &gr->egl_config) < 0) {
weston_log("failed to choose EGL config\n");
goto err_egl;
}
diff --git a/src/gl-renderer.h b/src/gl-renderer.h
index ebc139f..ceb4206 100644
--- a/src/gl-renderer.h
+++ b/src/gl-renderer.h
@@ -76,7 +76,8 @@ struct gl_renderer_interface {
EGLenum platform,
void *native_window,
const EGLint *attribs,
- const EGLint *visual_id);
+ const EGLint *visual_id,
+ const int n_ids);
EGLDisplay (*display)(struct weston_compositor *ec);
@@ -84,7 +85,8 @@ struct gl_renderer_interface {
EGLNativeWindowType window_for_legacy,
void *window_for_platform,
const EGLint *attribs,
- const EGLint *visual_id);
+ const EGLint *visual_id,
+ const int n_ids);
void (*output_destroy)(struct weston_output *output);
--
2.4.1
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