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c884df9cdc
mutter/hw-cursor-dumb-buffer.patch
Jonas Ådahl 35c7199873 Backport dumb buffer cursor support (EGLStream) 
Resolves: #2055015
2022-02-21 15:23:33 +01:00

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From acb3e966b26ea55019a148d6482f5aa4c05275a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 8 Feb 2022 15:58:33 +0100
Subject: [PATCH 1/4] drm-buffer: Keep track of handle as well
This handle is used by the legacy KMS API; lets avoid having to have GBM
specific code where this is done by letting the MetaDrmBuffer API, that
already has this information, expose it.
---
src/backends/native/meta-drm-buffer-dumb.c | 1 +
src/backends/native/meta-drm-buffer-gbm.c | 1 +
src/backends/native/meta-drm-buffer-import.c | 1 +
src/backends/native/meta-drm-buffer-private.h | 1 +
src/backends/native/meta-drm-buffer.c | 10 ++++++++++
src/backends/native/meta-drm-buffer.h | 2 ++
6 files changed, 16 insertions(+)
diff --git a/src/backends/native/meta-drm-buffer-dumb.c b/src/backends/native/meta-drm-buffer-dumb.c
index 373eb5c73581..b5e15528a1c6 100644
--- a/src/backends/native/meta-drm-buffer-dumb.c
+++ b/src/backends/native/meta-drm-buffer-dumb.c
@@ -194,6 +194,7 @@ init_dumb_buffer_in_impl (MetaKmsImpl *impl,
.width = data->width,
.height = data->height,
.format = data->format,
+ .handle = create_arg.handle,
.handles = { create_arg.handle },
.strides = { create_arg.pitch },
};
diff --git a/src/backends/native/meta-drm-buffer-gbm.c b/src/backends/native/meta-drm-buffer-gbm.c
index 48ee9eb048ba..fa45dd98b91e 100644
--- a/src/backends/native/meta-drm-buffer-gbm.c
+++ b/src/backends/native/meta-drm-buffer-gbm.c
@@ -119,6 +119,7 @@ init_fb_id (MetaDrmBufferGbm *buffer_gbm,
fb_args.width = gbm_bo_get_width (bo);
fb_args.height = gbm_bo_get_height (bo);
fb_args.format = gbm_bo_get_format (bo);
+ fb_args.handle = gbm_bo_get_handle (bo).u32;
if (!meta_drm_buffer_ensure_fb_id (META_DRM_BUFFER (buffer_gbm),
use_modifiers, &fb_args, error))
diff --git a/src/backends/native/meta-drm-buffer-import.c b/src/backends/native/meta-drm-buffer-import.c
index 1e5a38246172..ea744953cb9b 100644
--- a/src/backends/native/meta-drm-buffer-import.c
+++ b/src/backends/native/meta-drm-buffer-import.c
@@ -125,6 +125,7 @@ import_gbm_buffer (MetaDrmBufferImport *buffer_import,
fb_args.width = gbm_bo_get_width (primary_bo);
fb_args.height = gbm_bo_get_height (primary_bo);
fb_args.format = gbm_bo_get_format (primary_bo);
+ fb_args.handle = gbm_bo_get_handle (primary_bo).u32;
imported_bo = dmabuf_to_gbm_bo (importer,
dmabuf_fd,
diff --git a/src/backends/native/meta-drm-buffer-private.h b/src/backends/native/meta-drm-buffer-private.h
index 2c77eb957948..f660d3a7f363 100644
--- a/src/backends/native/meta-drm-buffer-private.h
+++ b/src/backends/native/meta-drm-buffer-private.h
@@ -33,6 +33,7 @@ typedef struct _MetaDrmFbArgs
uint32_t offsets[4];
uint32_t strides[4];
uint64_t modifiers[4];
+ uint32_t handle;
} MetaDrmFbArgs;
struct _MetaDrmBufferClass
diff --git a/src/backends/native/meta-drm-buffer.c b/src/backends/native/meta-drm-buffer.c
index 81a36196e528..a0f8055b3107 100644
--- a/src/backends/native/meta-drm-buffer.c
+++ b/src/backends/native/meta-drm-buffer.c
@@ -50,6 +50,7 @@ typedef struct _MetaDrmBufferPrivate
{
MetaKmsDevice *device;
uint32_t fb_id;
+ uint32_t handle;
} MetaDrmBufferPrivate;
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaDrmBuffer, meta_drm_buffer,
@@ -139,6 +140,7 @@ meta_drm_buffer_ensure_fb_in_impl (MetaDrmBuffer *buffer,
}
priv->fb_id = fb_id;
+ priv->handle = fb_args->handle;
return TRUE;
}
@@ -242,6 +244,14 @@ meta_drm_buffer_get_fb_id (MetaDrmBuffer *buffer)
return priv->fb_id;
}
+uint32_t
+meta_drm_buffer_get_handle (MetaDrmBuffer *buffer)
+{
+ MetaDrmBufferPrivate *priv = meta_drm_buffer_get_instance_private (buffer);
+
+ return priv->handle;
+}
+
int
meta_drm_buffer_get_width (MetaDrmBuffer *buffer)
{
diff --git a/src/backends/native/meta-drm-buffer.h b/src/backends/native/meta-drm-buffer.h
index 1647d399e7f2..476264ce753e 100644
--- a/src/backends/native/meta-drm-buffer.h
+++ b/src/backends/native/meta-drm-buffer.h
@@ -34,6 +34,8 @@ G_DECLARE_DERIVABLE_TYPE (MetaDrmBuffer,
uint32_t meta_drm_buffer_get_fb_id (MetaDrmBuffer *buffer);
+uint32_t meta_drm_buffer_get_handle (MetaDrmBuffer *buffer);
+
int meta_drm_buffer_get_width (MetaDrmBuffer *buffer);
int meta_drm_buffer_get_height (MetaDrmBuffer *buffer);
--
2.34.1
From bdd2f1dd0a67743085c84f6e060160fbd28122df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 8 Feb 2022 16:00:17 +0100
Subject: [PATCH 2/4] kms/impl-device/simple: Get the buffer handle from
MetaDrmBuffer
This avoids buffer implementation specific code where it shouldn't
matter.
---
src/backends/native/meta-kms-impl-device-simple.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/src/backends/native/meta-kms-impl-device-simple.c b/src/backends/native/meta-kms-impl-device-simple.c
index 1519962b8ed7..1663a2e9cacd 100644
--- a/src/backends/native/meta-kms-impl-device-simple.c
+++ b/src/backends/native/meta-kms-impl-device-simple.c
@@ -1182,20 +1182,9 @@ process_cursor_plane_assignment (MetaKmsImplDevice *impl_device,
height = plane_assignment->dst_rect.height;
if (plane_assignment->buffer)
- {
- MetaDrmBufferGbm *buffer_gbm =
- META_DRM_BUFFER_GBM (plane_assignment->buffer);
- struct gbm_bo *bo;
- union gbm_bo_handle handle;
-
- bo = meta_drm_buffer_gbm_get_bo (buffer_gbm);
- handle = gbm_bo_get_handle (bo);
- handle_u32 = handle.u32;
- }
+ handle_u32 = meta_drm_buffer_get_handle (plane_assignment->buffer);
else
- {
- handle_u32 = 0;
- }
+ handle_u32 = 0;
meta_topic (META_DEBUG_KMS,
"[simple] Setting HW cursor of CRTC %u (%s) to %u "
--
2.34.1
From d781f140b7197d3c9cd67f8fded4e2b58a4eda92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 8 Feb 2022 15:05:32 +0100
Subject: [PATCH 3/4] cursor-renderer/native: Move buffer creation to helper
---
.../native/meta-cursor-renderer-native.c | 134 ++++++++++++------
1 file changed, 89 insertions(+), 45 deletions(-)
diff --git a/src/backends/native/meta-cursor-renderer-native.c b/src/backends/native/meta-cursor-renderer-native.c
index 098ef24bdf2e..2bcbe6b2c8b0 100644
--- a/src/backends/native/meta-cursor-renderer-native.c
+++ b/src/backends/native/meta-cursor-renderer-native.c
@@ -1215,6 +1215,81 @@ ensure_cursor_priv (MetaCursorSprite *cursor_sprite)
return cursor_priv;
}
+static MetaDrmBuffer *
+create_cursor_drm_buffer_gbm (MetaGpuKms *gpu_kms,
+ uint8_t *pixels,
+ int width,
+ int height,
+ int stride,
+ int cursor_width,
+ int cursor_height,
+ uint32_t format,
+ GError **error)
+{
+ MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
+ struct gbm_device *gbm_device;
+ struct gbm_bo *bo;
+ uint8_t buf[4 * cursor_width * cursor_height];
+ int i;
+ MetaDrmBufferGbm *buffer_gbm;
+
+ gbm_device = meta_gbm_device_from_gpu (gpu_kms);
+ if (!gbm_device_is_format_supported (gbm_device, format,
+ GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE))
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Buffer format not supported");
+ return NULL;
+ }
+
+ bo = gbm_bo_create (gbm_device, cursor_width, cursor_height,
+ format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
+ if (!bo)
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Failed to allocate gbm_bo: %s", g_strerror (errno));
+ return NULL;
+ }
+
+ memset (buf, 0, sizeof (buf));
+ for (i = 0; i < height; i++)
+ memcpy (buf + i * 4 * cursor_width, pixels + i * stride, width * 4);
+ if (gbm_bo_write (bo, buf, cursor_width * cursor_height * 4) != 0)
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Failed write to gbm_bo: %s", g_strerror (errno));
+ gbm_bo_destroy (bo);
+ return NULL;
+ }
+
+ buffer_gbm = meta_drm_buffer_gbm_new_take (kms_device, bo, FALSE, error);
+ if (!buffer_gbm)
+ {
+ gbm_bo_destroy (bo);
+ return NULL;
+ }
+
+ return META_DRM_BUFFER (buffer_gbm);
+}
+
+static MetaDrmBuffer *
+create_cursor_drm_buffer (MetaGpuKms *gpu_kms,
+ uint8_t *pixels,
+ int width,
+ int height,
+ int stride,
+ int cursor_width,
+ int cursor_height,
+ uint32_t format,
+ GError **error)
+{
+ return create_cursor_drm_buffer_gbm (gpu_kms, pixels,
+ width, height, stride,
+ cursor_width, cursor_height,
+ format,
+ error);
+}
+
static void
load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
MetaGpuKms *gpu_kms,
@@ -1226,8 +1301,9 @@ load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
uint32_t gbm_format)
{
uint64_t cursor_width, cursor_height;
+ MetaDrmBuffer *buffer;
MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data;
- struct gbm_device *gbm_device;
+ g_autoptr (GError) error = NULL;
cursor_renderer_gpu_data =
meta_cursor_renderer_native_gpu_data_from_gpu (gpu_kms);
@@ -1244,52 +1320,20 @@ load_cursor_sprite_gbm_buffer_for_gpu (MetaCursorRendererNative *native,
return;
}
- gbm_device = meta_gbm_device_from_gpu (gpu_kms);
- 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);
- struct gbm_bo *bo;
- uint8_t buf[4 * cursor_width * cursor_height];
- uint i;
- g_autoptr (GError) error = NULL;
- MetaDrmBufferGbm *buffer_gbm;
-
- bo = gbm_bo_create (gbm_device, cursor_width, cursor_height,
- gbm_format, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
- if (!bo)
- {
- meta_warning ("Failed to allocate HW cursor buffer");
- return;
- }
-
- memset (buf, 0, sizeof(buf));
- for (i = 0; i < height; i++)
- memcpy (buf + i * 4 * cursor_width, pixels + i * rowstride, width * 4);
- if (gbm_bo_write (bo, buf, cursor_width * cursor_height * 4) != 0)
- {
- meta_warning ("Failed to write cursors buffer data: %s",
- g_strerror (errno));
- gbm_bo_destroy (bo);
- return;
- }
-
- buffer_gbm = meta_drm_buffer_gbm_new_take (kms_device, bo, FALSE, &error);
- if (!buffer_gbm)
- {
- meta_warning ("Failed to create DRM buffer wrapper: %s",
- error->message);
- gbm_bo_destroy (bo);
- return;
- }
-
- set_pending_cursor_sprite_buffer (cursor_sprite, gpu_kms,
- META_DRM_BUFFER (buffer_gbm));
- }
- else
+ buffer = create_cursor_drm_buffer (gpu_kms,
+ pixels,
+ width, height, rowstride,
+ cursor_width,
+ cursor_height,
+ gbm_format,
+ &error);
+ if (!buffer)
{
- meta_warning ("HW cursor for format %d not supported", gbm_format);
+ g_warning ("Realizing HW cursor failed: %s", error->message);
+ return;
}
+
+ set_pending_cursor_sprite_buffer (cursor_sprite, gpu_kms, buffer);
}
static gboolean
--
2.34.1
From 717baf8dc1dd2f043350dd354bc4905285ba3337 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 8 Feb 2022 15:38:37 +0100
Subject: [PATCH 4/4] cursor-renderer/native: Support allocating dumb buffers
---
.../native/meta-cursor-renderer-native.c | 88 ++++++++++++++-----
1 file changed, 67 insertions(+), 21 deletions(-)
diff --git a/src/backends/native/meta-cursor-renderer-native.c b/src/backends/native/meta-cursor-renderer-native.c
index 2bcbe6b2c8b0..18ffdf37dac4 100644
--- a/src/backends/native/meta-cursor-renderer-native.c
+++ b/src/backends/native/meta-cursor-renderer-native.c
@@ -39,6 +39,7 @@
#include "backends/meta-monitor-manager-private.h"
#include "backends/meta-output.h"
#include "backends/native/meta-crtc-kms.h"
+#include "backends/native/meta-drm-buffer-dumb.h"
#include "backends/native/meta-drm-buffer-gbm.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-plane.h"
@@ -1216,24 +1217,23 @@ ensure_cursor_priv (MetaCursorSprite *cursor_sprite)
}
static MetaDrmBuffer *
-create_cursor_drm_buffer_gbm (MetaGpuKms *gpu_kms,
- uint8_t *pixels,
- int width,
- int height,
- int stride,
- int cursor_width,
- int cursor_height,
- uint32_t format,
- GError **error)
+create_cursor_drm_buffer_gbm (MetaGpuKms *gpu_kms,
+ struct gbm_device *gbm_device,
+ uint8_t *pixels,
+ int width,
+ int height,
+ int stride,
+ int cursor_width,
+ int cursor_height,
+ uint32_t format,
+ GError **error)
{
MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
- struct gbm_device *gbm_device;
struct gbm_bo *bo;
uint8_t buf[4 * cursor_width * cursor_height];
int i;
MetaDrmBufferGbm *buffer_gbm;
- gbm_device = meta_gbm_device_from_gpu (gpu_kms);
if (!gbm_device_is_format_supported (gbm_device, format,
GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE))
{
@@ -1272,6 +1272,38 @@ create_cursor_drm_buffer_gbm (MetaGpuKms *gpu_kms,
return META_DRM_BUFFER (buffer_gbm);
}
+static MetaDrmBuffer *
+create_cursor_drm_buffer_dumb (MetaGpuKms *gpu_kms,
+ uint8_t *pixels,
+ int width,
+ int height,
+ int stride,
+ int cursor_width,
+ int cursor_height,
+ uint32_t format,
+ GError **error)
+{
+ MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
+ MetaDrmBufferDumb *buffer_dumb;
+ int i;
+ uint8_t *data;
+
+ buffer_dumb = meta_drm_buffer_dumb_new (kms_device,
+ cursor_width, cursor_height,
+ format,
+ error);
+ if (!buffer_dumb)
+ return NULL;
+
+ data = meta_drm_buffer_dumb_get_data (buffer_dumb);
+
+ memset (data, 0, cursor_width * cursor_height * 4);
+ for (i = 0; i < height; i++)
+ memcpy (data + i * 4 * cursor_width, pixels + i * stride, width * 4);
+
+ return META_DRM_BUFFER (buffer_dumb);
+}
+
static MetaDrmBuffer *
create_cursor_drm_buffer (MetaGpuKms *gpu_kms,
uint8_t *pixels,
@@ -1283,11 +1315,27 @@ create_cursor_drm_buffer (MetaGpuKms *gpu_kms,
uint32_t format,
GError **error)
{
- return create_cursor_drm_buffer_gbm (gpu_kms, pixels,
- width, height, stride,
- cursor_width, cursor_height,
- format,
- error);
+ struct gbm_device *gbm_device;
+
+ gbm_device = meta_gbm_device_from_gpu (gpu_kms);
+ if (gbm_device)
+ {
+ return create_cursor_drm_buffer_gbm (gpu_kms, gbm_device,
+ pixels,
+ width, height, stride,
+ cursor_width, cursor_height,
+ format,
+ error);
+ }
+ else
+ {
+ return create_cursor_drm_buffer_dumb (gpu_kms,
+ pixels,
+ width, height, stride,
+ cursor_width, cursor_height,
+ format,
+ error);
+ }
}
static void
@@ -1629,6 +1677,9 @@ realize_cursor_sprite_from_wl_buffer_for_gpu (MetaCursorRenderer *renderer,
}
gbm_device = meta_gbm_device_from_gpu (gpu_kms);
+ if (!gbm_device)
+ return;
+
bo = gbm_bo_import (gbm_device,
GBM_BO_IMPORT_WL_BUFFER,
buffer,
@@ -1807,13 +1858,8 @@ init_hw_cursor_support_for_gpu (MetaGpuKms *gpu_kms)
{
MetaKmsDevice *kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
MetaCursorRendererNativeGpuData *cursor_renderer_gpu_data;
- struct gbm_device *gbm_device;
uint64_t width, height;
- gbm_device = meta_gbm_device_from_gpu (gpu_kms);
- if (!gbm_device)
- return;
-
cursor_renderer_gpu_data =
meta_create_cursor_renderer_native_gpu_data (gpu_kms);
--
2.34.1
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