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* Copyright (C) 2016 Red Hat Inc.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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#include "backends/meta-renderer-view.h"
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#include "backends/meta-renderer.h"
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#include "clutter/clutter-mutter.h"
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static GParamSpec *obj_props[PROP_LAST];
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struct _MetaRendererView
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ClutterStageViewCogl parent;
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MetaMonitorTransform transform;
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MetaLogicalMonitor *logical_monitor;
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G_DEFINE_TYPE (MetaRendererView, meta_renderer_view,
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CLUTTER_TYPE_STAGE_VIEW_COGL)
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meta_renderer_view_get_logical_monitor (MetaRendererView *view)
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return view->logical_monitor;
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meta_renderer_view_get_transform (MetaRendererView *view)
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return view->transform;
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meta_renderer_view_get_offscreen_transformation_matrix (ClutterStageView *view,
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MetaRendererView *renderer_view = META_RENDERER_VIEW (view);
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cogl_matrix_init_identity (matrix);
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switch (renderer_view->transform)
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case META_MONITOR_TRANSFORM_NORMAL:
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case META_MONITOR_TRANSFORM_90:
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cogl_matrix_rotate (matrix, 90, 0, 0, 1);
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cogl_matrix_translate (matrix, 0, -1, 0);
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case META_MONITOR_TRANSFORM_180:
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cogl_matrix_rotate (matrix, 180, 0, 0, 1);
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cogl_matrix_translate (matrix, -1, -1, 0);
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case META_MONITOR_TRANSFORM_270:
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cogl_matrix_rotate (matrix, 270, 0, 0, 1);
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cogl_matrix_translate (matrix, -1, 0, 0);
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case META_MONITOR_TRANSFORM_FLIPPED:
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cogl_matrix_scale (matrix, -1, 1, 1);
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cogl_matrix_translate (matrix, -1, 0, 0);
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case META_MONITOR_TRANSFORM_FLIPPED_90:
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cogl_matrix_scale (matrix, -1, 1, 1);
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cogl_matrix_rotate (matrix, 90, 0, 0, 1);
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case META_MONITOR_TRANSFORM_FLIPPED_180:
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cogl_matrix_scale (matrix, -1, 1, 1);
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cogl_matrix_rotate (matrix, 180, 0, 0, 1);
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cogl_matrix_translate (matrix, 0, -1, 0);
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case META_MONITOR_TRANSFORM_FLIPPED_270:
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cogl_matrix_scale (matrix, -1, 1, 1);
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cogl_matrix_rotate (matrix, 270, 0, 0, 1);
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cogl_matrix_translate (matrix, -1, -1, 0);
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meta_renderer_view_setup_offscreen_blit_pipeline (ClutterStageView *view,
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CoglPipeline *pipeline)
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meta_renderer_view_get_offscreen_transformation_matrix (view, &matrix);
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cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
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meta_renderer_view_set_transform (MetaRendererView *view,
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MetaMonitorTransform transform)
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if (view->transform == transform)
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view->transform = transform;
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clutter_stage_view_invalidate_offscreen_blit_pipeline (CLUTTER_STAGE_VIEW (view));
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meta_renderer_view_get_property (GObject *object,
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MetaRendererView *view = META_RENDERER_VIEW (object);
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case PROP_MONITOR_INFO:
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g_value_set_pointer (value, view->logical_monitor);
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g_value_set_uint (value, view->transform);
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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meta_renderer_view_set_property (GObject *object,
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MetaRendererView *view = META_RENDERER_VIEW (object);
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case PROP_MONITOR_INFO:
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view->logical_monitor = g_value_get_pointer (value);
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meta_renderer_view_set_transform (view, g_value_get_uint (value));
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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meta_renderer_view_init (MetaRendererView *view)
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meta_renderer_view_class_init (MetaRendererViewClass *klass)
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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ClutterStageViewClass *view_class = CLUTTER_STAGE_VIEW_CLASS (klass);
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view_class->setup_offscreen_blit_pipeline =
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meta_renderer_view_setup_offscreen_blit_pipeline;
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view_class->get_offscreen_transformation_matrix =
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meta_renderer_view_get_offscreen_transformation_matrix;
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object_class->get_property = meta_renderer_view_get_property;
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object_class->set_property = meta_renderer_view_set_property;
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obj_props[PROP_MONITOR_INFO] =
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g_param_spec_pointer ("logical-monitor",
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"MetaLogicalMonitor",
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"The logical monitor of the view",
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G_PARAM_STATIC_STRINGS |
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G_PARAM_CONSTRUCT_ONLY);
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obj_props[PROP_TRANSFORM] =
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g_param_spec_uint ("transform",
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"Transform to apply to the view",
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META_MONITOR_TRANSFORM_NORMAL,
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META_MONITOR_TRANSFORM_FLIPPED_270,
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META_MONITOR_TRANSFORM_NORMAL,
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, PROP_LAST, obj_props);