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drm-buffer: Create from MetaDeviceFile instead of MetaKmsDevice

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The DRM buffers aren't really tied to mode setting, so they shouldn't
need to have an associated mode setting device. Now that we have a
device file level object that can fill this role, port over
MetaDrmBuffer and friends away from MetaKmsDevice to MetaDeviceFile.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1828>
This commit is contained in:
Jonas Ådahl
2021-04-12 16:13:29 +02:00
parent 6613463f58
commit 10c4bc6e3f
14 changed files with 185 additions and 260 deletions
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44
src/backends/native/meta-cursor-renderer-native.c
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@ -38,7 +38,9 @@
#include "backends/meta-monitor.h"
#include "backends/meta-monitor-manager-private.h"
#include "backends/meta-output.h"
#include "backends/native/meta-backend-native-private.h"
#include "backends/native/meta-crtc-kms.h"
#include "backends/native/meta-device-pool.h"
#include "backends/native/meta-drm-buffer-gbm.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-plane.h"
@ -1225,6 +1227,8 @@ load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
int rowstride,
uint32_t gbm_format)
{
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (native);
uint64_t cursor_width, cursor_height;
MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data;
struct gbm_device *gbm_device;
@ -1248,13 +1252,28 @@ load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
if (gbm_device_is_format_supported (gbm_device, gbm_format,
GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE))
{
MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (priv->backend);
MetaDevicePool *device_pool =
meta_backend_native_get_device_pool (backend_native);
g_autoptr (MetaDeviceFile) device_file = NULL;
struct gbm_bo *bo;
uint8_t buf[4 * cursor_width * cursor_height];
uint i;
g_autoptr (GError) error = NULL;
MetaDrmBufferGbm *buffer_gbm;
device_file = meta_device_pool_open (device_pool,
meta_gpu_kms_get_file_path (gpu_kms),
META_DEVICE_FILE_FLAG_TAKE_CONTROL,
&error);
if (!device_file)
{
g_warning ("Failed to open '%s' for updating the cursor: %s",
meta_gpu_kms_get_file_path (gpu_kms),
error->message);
return;
}
bo = gbm_bo_create (gbm_device, cursor_width, cursor_height,
gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!bo)
@ -1274,7 +1293,7 @@ load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
return;
}
buffer_gbm = meta_drm_buffer_gbm_new_take (kms_device, bo, FALSE, &error);
buffer_gbm = meta_drm_buffer_gbm_new_take (device_file, bo, FALSE, &error);
if (!buffer_gbm)
{
meta_warning ("Failed to create DRM buffer wrapper: %s",
@ -1468,6 +1487,8 @@ realize_cursor_sprite_from_wl_buffer_for_gpu (MetaCursorRenderer *renderer,
MetaCursorSpriteWayland *sprite_wayland)
{
MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer);
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (native);
MetaCursorSprite *cursor_sprite = META_CURSOR_SPRITE (sprite_wayland);
MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data;
uint64_t cursor_width, cursor_height;
@ -1559,12 +1580,27 @@ realize_cursor_sprite_from_wl_buffer_for_gpu (MetaCursorRenderer *renderer,
}
else
{
MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (priv->backend);
MetaDevicePool *device_pool =
meta_backend_native_get_device_pool (backend_native);
g_autoptr (MetaDeviceFile) device_file = NULL;
struct gbm_device *gbm_device;
struct gbm_bo *bo;
g_autoptr (GError) error = NULL;
MetaDrmBufferGbm *buffer_gbm;
device_file = meta_device_pool_open (device_pool,
meta_gpu_kms_get_file_path (gpu_kms),
META_DEVICE_FILE_FLAG_TAKE_CONTROL,
&error);
if (!device_file)
{
g_warning ("Failed to open '%s' for updating the cursor: %s",
meta_gpu_kms_get_file_path (gpu_kms),
error->message);
return;
}
/* HW cursors have a predefined size (at least 64x64), which usually is
* bigger than cursor theme size, so themed cursors must be padded with
* transparent pixels to fill the overlay. This is trivial if we have CPU
@ -1597,7 +1633,7 @@ realize_cursor_sprite_from_wl_buffer_for_gpu (MetaCursorRenderer *renderer,
unset_can_preprocess (cursor_sprite);
buffer_gbm = meta_drm_buffer_gbm_new_take (kms_device, bo, FALSE, &error);
buffer_gbm = meta_drm_buffer_gbm_new_take (device_file, bo, FALSE, &error);
if (!buffer_gbm)
{
meta_warning ("Failed to create DRM buffer wrapper: %s",