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From d107b52939ca0acb1f8dacf1275278edba64eebe Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
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Date: Tue, 1 Oct 2019 11:53:57 +0200
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Subject: [PATCH] renderer: Add API to check whether renderer is hardware
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accelerated
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Also expose an introspected variant via the MetaBackend.
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https://gitlab.gnome.org/GNOME/mutter/merge_requests/838
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---
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src/backends/meta-backend.c | 15 +++++++++++++++
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src/backends/meta-renderer.c | 27 +++++++++++++++++++++++++++
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src/backends/meta-renderer.h | 2 ++
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src/meta/meta-backend.h | 3 +++
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4 files changed, 47 insertions(+)
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diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
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index 72cfbdaf3..e61181f9a 100644
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--- a/src/backends/meta-backend.c
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+++ b/src/backends/meta-backend.c
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@@ -985,6 +985,21 @@ meta_backend_get_remote_access_controller (MetaBackend *backend)
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#endif
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}
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+/**
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+ * meta_backend_is_rendering_hardware_accelerated:
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+ * @backend: A #MetaBackend
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+ *
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+ * Returns: %TRUE if the rendering is hardware accelerated, otherwise
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+ * %FALSE.
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+ */
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+gboolean
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+meta_backend_is_rendering_hardware_accelerated (MetaBackend *backend)
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+{
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+ MetaRenderer *renderer = meta_backend_get_renderer (backend);
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+
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+ return meta_renderer_is_hardware_accelerated (renderer);
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+}
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+
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/**
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* meta_backend_grab_device: (skip)
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*/
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diff --git a/src/backends/meta-renderer.c b/src/backends/meta-renderer.c
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index 87ba9f9f0..470220fc8 100644
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--- a/src/backends/meta-renderer.c
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+++ b/src/backends/meta-renderer.c
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@@ -166,6 +166,33 @@ meta_renderer_get_view_from_logical_monitor (MetaRenderer *renderer,
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return NULL;
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}
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+gboolean
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+meta_renderer_is_hardware_accelerated (MetaRenderer *renderer)
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+{
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+ MetaRendererPrivate *priv = meta_renderer_get_instance_private (renderer);
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+ MetaBackend *backend = meta_get_backend ();
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+ ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
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+ CoglContext *cogl_context =
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+ clutter_backend_get_cogl_context (clutter_backend);
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+ CoglGpuInfo *info = &cogl_context->gpu;
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+
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+ switch (info->architecture)
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+ {
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+ case COGL_GPU_INFO_ARCHITECTURE_UNKNOWN:
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+ case COGL_GPU_INFO_ARCHITECTURE_SANDYBRIDGE:
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+ case COGL_GPU_INFO_ARCHITECTURE_SGX:
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+ case COGL_GPU_INFO_ARCHITECTURE_MALI:
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+ return TRUE;
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+ case COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE:
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+ case COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE:
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+ case COGL_GPU_INFO_ARCHITECTURE_SWRAST:
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+ return FALSE;
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+ }
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+
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+ g_assert_not_reached ();
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+ return FALSE;
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+}
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+
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static void
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meta_renderer_finalize (GObject *object)
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{
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diff --git a/src/backends/meta-renderer.h b/src/backends/meta-renderer.h
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index 478baee91..97bf36860 100644
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--- a/src/backends/meta-renderer.h
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+++ b/src/backends/meta-renderer.h
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@@ -59,4 +59,6 @@ GList * meta_renderer_get_views (MetaRenderer *renderer);
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MetaRendererView * meta_renderer_get_view_from_logical_monitor (MetaRenderer *renderer,
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MetaLogicalMonitor *logical_monitor);
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+gboolean meta_renderer_is_hardware_accelerated (MetaRenderer *renderer);
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+
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#endif /* META_RENDERER_H */
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diff --git a/src/meta/meta-backend.h b/src/meta/meta-backend.h
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index aaa6aae97..8edc0bf2c 100644
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--- a/src/meta/meta-backend.h
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+++ b/src/meta/meta-backend.h
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@@ -64,6 +64,9 @@ MetaSettings *meta_backend_get_settings (MetaBackend *backend);
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META_EXPORT
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MetaRemoteAccessController * meta_backend_get_remote_access_controller (MetaBackend *backend);
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+META_EXPORT
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+gboolean meta_backend_is_rendering_hardware_accelerated (MetaBackend *backend);
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+
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META_EXPORT
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void meta_clutter_init (void);
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--
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2.26.2
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