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screen-cast: Move cursor metadata setting to generic source
Make the monitor implementation do things strictly related to its own source type, leaving the Spa related logic and cursor read back in the generic layer, later to be reused by the window source type implementation. https://gitlab.gnome.org/GNOME/mutter/merge_requests/413
This commit is contained in:
Jonas Ådahl
parent
bf12a2497b
commit
9be189daa7
@ -344,64 +344,6 @@ meta_screen_cast_monitor_stream_src_record_frame (MetaScreenCastStreamSrc *src,
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return TRUE;
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}
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static gboolean
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draw_cursor_sprite_via_offscreen (MetaScreenCastMonitorStreamSrc *monitor_src,
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CoglTexture *cursor_texture,
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int bitmap_width,
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int bitmap_height,
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uint32_t *bitmap_data,
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GError **error)
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{
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MetaBackend *backend = get_backend (monitor_src);
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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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CoglTexture2D *bitmap_texture;
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CoglOffscreen *offscreen;
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CoglFramebuffer *fb;
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CoglPipeline *pipeline;
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CoglColor clear_color;
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bitmap_texture = cogl_texture_2d_new_with_size (cogl_context,
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bitmap_width, bitmap_height);
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cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (bitmap_texture),
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FALSE);
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if (!cogl_texture_allocate (COGL_TEXTURE (bitmap_texture), error))
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{
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cogl_object_unref (bitmap_texture);
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return FALSE;
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}
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offscreen = cogl_offscreen_new_with_texture (COGL_TEXTURE (bitmap_texture));
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fb = COGL_FRAMEBUFFER (offscreen);
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cogl_object_unref (bitmap_texture);
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if (!cogl_framebuffer_allocate (fb, error))
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{
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cogl_object_unref (fb);
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return FALSE;
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}
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pipeline = cogl_pipeline_new (cogl_context);
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cogl_pipeline_set_layer_texture (pipeline, 0, cursor_texture);
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cogl_pipeline_set_layer_filters (pipeline, 0,
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COGL_PIPELINE_FILTER_LINEAR,
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COGL_PIPELINE_FILTER_LINEAR);
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cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 0);
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cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR, &clear_color);
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cogl_framebuffer_draw_rectangle (fb, pipeline,
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-1, 1, 1, -1);
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cogl_object_unref (pipeline);
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cogl_framebuffer_read_pixels (fb,
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0, 0,
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bitmap_width, bitmap_height,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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(uint8_t *) bitmap_data);
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cogl_object_unref (fb);
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return TRUE;
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}
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static void
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meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor)
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@ -412,10 +354,7 @@ meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc
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MetaCursorRenderer *cursor_renderer =
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meta_backend_get_cursor_renderer (backend);
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MetaRenderer *renderer = meta_backend_get_renderer (backend);
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MetaSpaType *spa_type = meta_screen_cast_stream_src_get_spa_type (src);
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GError *error = NULL;
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MetaCursorSprite *cursor_sprite;
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CoglTexture *cursor_texture;
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MetaMonitor *monitor;
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MetaLogicalMonitor *logical_monitor;
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MetaRectangle logical_monitor_layout;
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@ -423,17 +362,14 @@ meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc
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MetaRendererView *view;
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float view_scale;
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ClutterPoint cursor_position;
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struct spa_meta_bitmap *spa_meta_bitmap;
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int x, y;
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cursor_sprite = meta_cursor_renderer_get_cursor (cursor_renderer);
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if (cursor_sprite)
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cursor_texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
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else
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cursor_texture = NULL;
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if (!is_cursor_in_stream (monitor_src))
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{
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spa_meta_cursor->id = 0;
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meta_screen_cast_stream_src_unset_cursor_metadata (src,
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spa_meta_cursor);
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return;
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}
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@ -456,86 +392,38 @@ meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc
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cursor_position.x *= view_scale;
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cursor_position.y *= view_scale;
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spa_meta_cursor->id = 1;
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spa_meta_cursor->position.x = (int32_t) roundf (cursor_position.x);
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spa_meta_cursor->position.y = (int32_t) roundf (cursor_position.y);
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x = (int) roundf (cursor_position.x);
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y = (int) roundf (cursor_position.y);
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if (!monitor_src->cursor_bitmap_invalid)
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if (monitor_src->cursor_bitmap_invalid)
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{
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spa_meta_cursor->hotspot.x = 0;
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spa_meta_cursor->hotspot.y = 0;
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spa_meta_cursor->bitmap_offset = 0;
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return;
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}
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monitor_src->cursor_bitmap_invalid = FALSE;
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spa_meta_cursor->bitmap_offset = sizeof (struct spa_meta_cursor);
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spa_meta_bitmap = SPA_MEMBER (spa_meta_cursor,
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spa_meta_cursor->bitmap_offset,
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struct spa_meta_bitmap);
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spa_meta_bitmap->format = spa_type->video_format.RGBA;
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spa_meta_bitmap->offset = sizeof (struct spa_meta_bitmap);
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if (cursor_texture)
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if (cursor_sprite)
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{
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float cursor_scale;
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float bitmap_scale;
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int hotspot_x, hotspot_y;
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int texture_width, texture_height;
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int bitmap_width, bitmap_height;
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uint32_t *bitmap_data;
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float scale;
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cursor_scale = meta_cursor_sprite_get_texture_scale (cursor_sprite);
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bitmap_scale = view_scale * cursor_scale;
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meta_cursor_sprite_get_hotspot (cursor_sprite, &hotspot_x, &hotspot_y);
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spa_meta_cursor->hotspot.x = (int32_t) roundf (hotspot_x * bitmap_scale);
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spa_meta_cursor->hotspot.y = (int32_t) roundf (hotspot_y * bitmap_scale);
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texture_width = cogl_texture_get_width (cursor_texture);
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texture_height = cogl_texture_get_height (cursor_texture);
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bitmap_width = texture_width * bitmap_scale;
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bitmap_height = texture_height * bitmap_scale;
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spa_meta_bitmap->size.width = bitmap_width;
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spa_meta_bitmap->size.height = bitmap_height;
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spa_meta_bitmap->stride = bitmap_width * 4;
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bitmap_data = SPA_MEMBER (spa_meta_bitmap,
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spa_meta_bitmap->offset,
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uint32_t);
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if (texture_width == bitmap_width &&
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texture_height == bitmap_height)
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{
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cogl_texture_get_data (cursor_texture,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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texture_width * 4,
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(uint8_t *) bitmap_data);
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scale = view_scale * cursor_scale;
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meta_screen_cast_stream_src_set_cursor_sprite_metadata (src,
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spa_meta_cursor,
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cursor_sprite,
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x, y,
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scale);
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}
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else
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{
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if (!draw_cursor_sprite_via_offscreen (monitor_src,
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cursor_texture,
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bitmap_width,
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bitmap_height,
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bitmap_data,
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&error))
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{
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g_warning ("Failed to draw cursor via offscreen: %s",
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error->message);
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g_error_free (error);
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spa_meta_cursor->id = 0;
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}
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meta_screen_cast_stream_src_set_empty_cursor_sprite_metadata (src,
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spa_meta_cursor,
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x, y);
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}
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monitor_src->cursor_bitmap_invalid = FALSE;
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}
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else
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{
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spa_meta_cursor->hotspot.x = 0;
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spa_meta_cursor->hotspot.y = 0;
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*spa_meta_bitmap = (struct spa_meta_bitmap) { 0 };
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meta_screen_cast_stream_src_set_cursor_position_metadata (src,
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spa_meta_cursor,
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x, y);
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}
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}
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@ -32,6 +32,7 @@
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#include <stdint.h>
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#include <sys/mman.h>
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#include "backends/meta-screen-cast-session.h"
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#include "backends/meta-screen-cast-stream.h"
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#include "clutter/clutter-mutter.h"
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#include "core/meta-fraction.h"
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@ -159,6 +160,201 @@ meta_screen_cast_stream_src_get_spa_type (MetaScreenCastStreamSrc *src)
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return &priv->spa_type;
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}
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static gboolean
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draw_cursor_sprite_via_offscreen (MetaScreenCastStreamSrc *src,
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CoglTexture *cursor_texture,
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int bitmap_width,
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int bitmap_height,
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uint32_t *bitmap_data,
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GError **error)
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{
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MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src);
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MetaScreenCastSession *session = meta_screen_cast_stream_get_session (stream);
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MetaScreenCast *screen_cast =
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meta_screen_cast_session_get_screen_cast (session);
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MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
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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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CoglTexture2D *bitmap_texture;
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CoglOffscreen *offscreen;
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CoglFramebuffer *fb;
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CoglPipeline *pipeline;
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CoglColor clear_color;
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bitmap_texture = cogl_texture_2d_new_with_size (cogl_context,
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bitmap_width, bitmap_height);
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cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (bitmap_texture),
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FALSE);
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if (!cogl_texture_allocate (COGL_TEXTURE (bitmap_texture), error))
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{
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cogl_object_unref (bitmap_texture);
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return FALSE;
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}
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offscreen = cogl_offscreen_new_with_texture (COGL_TEXTURE (bitmap_texture));
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fb = COGL_FRAMEBUFFER (offscreen);
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cogl_object_unref (bitmap_texture);
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if (!cogl_framebuffer_allocate (fb, error))
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{
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cogl_object_unref (fb);
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return FALSE;
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}
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pipeline = cogl_pipeline_new (cogl_context);
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cogl_pipeline_set_layer_texture (pipeline, 0, cursor_texture);
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cogl_pipeline_set_layer_filters (pipeline, 0,
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COGL_PIPELINE_FILTER_LINEAR,
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COGL_PIPELINE_FILTER_LINEAR);
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cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 0);
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cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR, &clear_color);
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cogl_framebuffer_draw_rectangle (fb, pipeline,
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-1, 1, 1, -1);
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cogl_object_unref (pipeline);
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cogl_framebuffer_read_pixels (fb,
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0, 0,
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bitmap_width, bitmap_height,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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(uint8_t *) bitmap_data);
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cogl_object_unref (fb);
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return TRUE;
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}
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void
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meta_screen_cast_stream_src_unset_cursor_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor)
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{
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spa_meta_cursor->id = 1;
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}
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void
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meta_screen_cast_stream_src_set_cursor_position_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
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int x,
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int y)
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{
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spa_meta_cursor->id = 1;
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spa_meta_cursor->position.x = x;
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spa_meta_cursor->position.y = y;
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spa_meta_cursor->hotspot.x = 0;
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spa_meta_cursor->hotspot.y = 0;
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spa_meta_cursor->bitmap_offset = 0;
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}
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void
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meta_screen_cast_stream_src_set_empty_cursor_sprite_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
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int x,
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int y)
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{
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MetaScreenCastStreamSrcPrivate *priv =
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meta_screen_cast_stream_src_get_instance_private (src);
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MetaSpaType *spa_type = &priv->spa_type;
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struct spa_meta_bitmap *spa_meta_bitmap;
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spa_meta_cursor->id = 1;
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spa_meta_cursor->position.x = x;
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spa_meta_cursor->position.y = y;
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spa_meta_cursor->bitmap_offset = sizeof (struct spa_meta_cursor);
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spa_meta_bitmap = SPA_MEMBER (spa_meta_cursor,
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spa_meta_cursor->bitmap_offset,
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struct spa_meta_bitmap);
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spa_meta_bitmap->format = spa_type->video_format.RGBA;
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spa_meta_bitmap->offset = sizeof (struct spa_meta_bitmap);
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spa_meta_cursor->hotspot.x = 0;
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spa_meta_cursor->hotspot.y = 0;
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*spa_meta_bitmap = (struct spa_meta_bitmap) { 0 };
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}
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void
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meta_screen_cast_stream_src_set_cursor_sprite_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
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MetaCursorSprite *cursor_sprite,
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int x,
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int y,
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float scale)
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{
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MetaScreenCastStreamSrcPrivate *priv =
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meta_screen_cast_stream_src_get_instance_private (src);
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MetaSpaType *spa_type = &priv->spa_type;
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CoglTexture *cursor_texture;
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struct spa_meta_bitmap *spa_meta_bitmap;
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int hotspot_x, hotspot_y;
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int texture_width, texture_height;
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int bitmap_width, bitmap_height;
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uint32_t *bitmap_data;
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cursor_texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
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if (!cursor_texture)
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{
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meta_screen_cast_stream_src_set_empty_cursor_sprite_metadata (src,
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spa_meta_cursor,
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x, y);
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return;
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}
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spa_meta_cursor->id = 1;
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spa_meta_cursor->position.x = x;
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spa_meta_cursor->position.y = y;
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spa_meta_cursor->bitmap_offset = sizeof (struct spa_meta_cursor);
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spa_meta_bitmap = SPA_MEMBER (spa_meta_cursor,
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spa_meta_cursor->bitmap_offset,
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struct spa_meta_bitmap);
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spa_meta_bitmap->format = spa_type->video_format.RGBA;
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spa_meta_bitmap->offset = sizeof (struct spa_meta_bitmap);
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meta_cursor_sprite_get_hotspot (cursor_sprite, &hotspot_x, &hotspot_y);
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spa_meta_cursor->hotspot.x = (int32_t) roundf (hotspot_x * scale);
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spa_meta_cursor->hotspot.y = (int32_t) roundf (hotspot_y * scale);
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texture_width = cogl_texture_get_width (cursor_texture);
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texture_height = cogl_texture_get_height (cursor_texture);
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bitmap_width = texture_width * scale;
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bitmap_height = texture_height * scale;
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spa_meta_bitmap->size.width = bitmap_width;
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spa_meta_bitmap->size.height = bitmap_height;
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spa_meta_bitmap->stride = bitmap_width * 4;
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bitmap_data = SPA_MEMBER (spa_meta_bitmap,
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spa_meta_bitmap->offset,
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uint32_t);
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if (texture_width == bitmap_width &&
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texture_height == bitmap_height)
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{
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cogl_texture_get_data (cursor_texture,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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texture_width * 4,
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(uint8_t *) bitmap_data);
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}
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else
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{
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GError *error = NULL;
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if (!draw_cursor_sprite_via_offscreen (src,
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cursor_texture,
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bitmap_width,
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bitmap_height,
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bitmap_data,
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&error))
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{
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g_warning ("Failed to draw cursor via offscreen: %s",
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error->message);
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g_error_free (error);
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spa_meta_cursor->id = 0;
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}
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}
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}
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static void
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add_cursor_metadata (MetaScreenCastStreamSrc *src,
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struct spa_buffer *spa_buffer)
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@ -76,4 +76,24 @@ MetaScreenCastStream * meta_screen_cast_stream_src_get_stream (MetaScreenCastStr
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MetaSpaType * meta_screen_cast_stream_src_get_spa_type (MetaScreenCastStreamSrc *src);
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void meta_screen_cast_stream_src_unset_cursor_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor);
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void meta_screen_cast_stream_src_set_cursor_position_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
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int x,
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int y);
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void meta_screen_cast_stream_src_set_empty_cursor_sprite_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
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int x,
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int y);
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void meta_screen_cast_stream_src_set_cursor_sprite_metadata (MetaScreenCastStreamSrc *src,
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struct spa_meta_cursor *spa_meta_cursor,
|
||||
MetaCursorSprite *cursor_sprite,
|
||||
int x,
|
||||
int y,
|
||||
float scale);
|
||||
|
||||
#endif /* META_SCREEN_CAST_STREAM_SRC_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user