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render-device: Update DMA-BUF allocation API to allow modifiers

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meta_render_device_gbm_allocate_dma_buf() function is updated to take a
list of modifiers. If no modifiers are specified, the modifier is
selected by the allocator, and implicit modifiers are used to import the
created DMA-BUF.

Co-authored-by: Jonas Ådahl <jadahl@gmail.com>
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3537>
This commit is contained in:
Doğukan Korkmaztürk 2024-01-19 17:28:15 -05:00
parent ab1322781d
commit 34d00d769e
12 changed files with 76 additions and 22 deletions
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6
cogl/cogl/cogl-renderer.c
View File

@ -758,6 +758,8 @@ cogl_renderer_foreach_output (CoglRenderer *renderer,
CoglDmaBufHandle *
cogl_renderer_create_dma_buf (CoglRenderer *renderer,
CoglPixelFormat format,
uint64_t *modifiers,
int n_modifiers,
int width,
int height,
GError **error)
@ -765,7 +767,9 @@ cogl_renderer_create_dma_buf (CoglRenderer *renderer,
const CoglWinsysVtable *winsys = _cogl_renderer_get_winsys (renderer);
if (winsys->renderer_create_dma_buf)
return winsys->renderer_create_dma_buf (renderer, format,
return winsys->renderer_create_dma_buf (renderer,
format,
modifiers, n_modifiers,
width, height,
error);

7
cogl/cogl/cogl-renderer.h
View File

@ -347,6 +347,8 @@ cogl_renderer_foreach_output (CoglRenderer *renderer,
* cogl_renderer_create_dma_buf: (skip)
* @renderer: A #CoglRenderer
* @format: A #CoglPixelFormat
* @modifiers: array of DRM format modifiers
* @n_modifiers: length of modifiers array
* @width: width of the new
* @height: height of the new
* @error: (nullable): return location for a #GError
@ -355,6 +357,9 @@ cogl_renderer_foreach_output (CoglRenderer *renderer,
* format @format, and exports the new framebuffer's DMA buffer
* handle.
*
* Passing an empty modifier array (passing a 0 n_modifiers) means implicit
* modifiers will be used.
*
* Returns: (nullable)(transfer full): a #CoglDmaBufHandle. The
* return result must be released with cogl_dma_buf_handle_free()
* after use.
@ -362,6 +367,8 @@ cogl_renderer_foreach_output (CoglRenderer *renderer,
COGL_EXPORT CoglDmaBufHandle *
cogl_renderer_create_dma_buf (CoglRenderer *renderer,
CoglPixelFormat format,
uint64_t *modifiers,
int n_modifiers,
int width,
int height,
GError **error);

2
cogl/cogl/winsys/cogl-winsys-private.h
View File

@ -91,6 +91,8 @@ typedef struct _CoglWinsysVtable
CoglDmaBufHandle *
(*renderer_create_dma_buf) (CoglRenderer *renderer,
CoglPixelFormat format,
uint64_t *modifiers,
int n_modifiers,
int width,
int height,
GError **error);

1
src/backends/meta-screen-cast.c
View File

@ -129,6 +129,7 @@ meta_screen_cast_create_dma_buf_handle (MetaScreenCast *screen_cast,
dmabuf_handle = cogl_renderer_create_dma_buf (cogl_renderer,
format,
NULL, 0,
width, height,
&error);
if (!dmabuf_handle)

1
src/backends/native/meta-backend-native.c
View File

@ -186,6 +186,7 @@ maybe_disable_screen_cast_dma_bufs (MetaBackendNative *native)
dmabuf_handle = cogl_renderer_create_dma_buf (cogl_renderer,
COGL_PIXEL_FORMAT_BGRX_8888,
NULL, 0,
1, 1,
&error);
if (!dmabuf_handle)

4
src/backends/native/meta-onscreen-native.c
View File

@ -941,6 +941,7 @@ copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscre
int dmabuf_fd;
g_autoptr (GError) error = NULL;
const MetaFormatInfo *format_info;
uint64_t modifier;
COGL_TRACE_BEGIN_SCOPED (CopySharedFramebufferPrimaryGpu,
"copy_shared_framebuffer_primary_gpu()");
@ -977,13 +978,14 @@ copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscre
return NULL;
}
modifier = DRM_FORMAT_MOD_LINEAR;
dmabuf_fb =
meta_renderer_native_create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width,
height,
stride,
0, DRM_FORMAT_MOD_LINEAR,
0, &modifier,
drm_format,
&error);

20
src/backends/native/meta-render-device-gbm.c
View File

@ -150,6 +150,8 @@ meta_render_device_gbm_allocate_dma_buf (MetaRenderDevice *render_device,
int width,
int height,
uint32_t format,
uint64_t *modifiers,
int n_modifiers,
MetaDrmBufferFlags flags,
GError **error)
{
@ -159,9 +161,21 @@ meta_render_device_gbm_allocate_dma_buf (MetaRenderDevice *render_device,
struct gbm_bo *gbm_bo;
MetaDrmBufferGbm *buffer_gbm;
gbm_bo = gbm_bo_create (render_device_gbm->gbm_device,
width, height, format,
GBM_BO_USE_RENDERING | GBM_BO_USE_LINEAR);
if (n_modifiers == 0)
{
gbm_bo = gbm_bo_create (render_device_gbm->gbm_device,
width, height, format,
GBM_BO_USE_RENDERING);
}
else
{
g_warn_if_fail (!(flags & META_DRM_BUFFER_FLAG_DISABLE_MODIFIERS));
gbm_bo = gbm_bo_create_with_modifiers2 (render_device_gbm->gbm_device,
width, height, format,
modifiers, n_modifiers,
GBM_BO_USE_RENDERING);
}
if (!gbm_bo)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,

2
src/backends/native/meta-render-device-private.h
View File

@ -37,6 +37,8 @@ struct _MetaRenderDeviceClass
int width,
int height,
uint32_t format,
uint64_t *modifiers,
int n_modifiers,
MetaDrmBufferFlags flags,
GError **error);
MetaDrmBuffer * (* import_dma_buf) (MetaRenderDevice *render_device,

6
src/backends/native/meta-render-device.c
View File

@ -345,6 +345,8 @@ meta_render_device_allocate_dma_buf (MetaRenderDevice *render_device,
int width,
int height,
uint32_t format,
uint64_t *modifiers,
int n_modifiers,
MetaDrmBufferFlags flags,
GError **error)
{
@ -353,7 +355,9 @@ meta_render_device_allocate_dma_buf (MetaRenderDevice *render_device,
if (klass->allocate_dma_buf)
{
return klass->allocate_dma_buf (render_device,
width, height, format,
width, height,
format,
modifiers, n_modifiers,
flags,
error);
}

2
src/backends/native/meta-render-device.h
View File

@ -42,6 +42,8 @@ MetaDrmBuffer * meta_render_device_allocate_dma_buf (MetaRenderDevice *render
int width,
int height,
uint32_t format,
uint64_t *modifiers,
int n_modifiers,
MetaDrmBufferFlags flags,
GError **error);

2
src/backends/native/meta-renderer-native-private.h
View File

@ -97,7 +97,7 @@ CoglFramebuffer * meta_renderer_native_create_dma_buf_framebuffer (MetaRendererN
uint32_t height,
uint32_t stride,
uint32_t offset,
uint64_t modifier,
uint64_t *modifier,
uint32_t drm_format,
GError **error);

45
src/backends/native/meta-renderer-native.c
View File

@ -633,7 +633,7 @@ meta_renderer_native_create_dma_buf_framebuffer (MetaRendererNative *renderer_n
uint32_t height,
uint32_t stride,
uint32_t offset,
uint64_t modifier,
uint64_t *modifier,
uint32_t drm_format,
GError **error)
{
@ -647,7 +647,6 @@ meta_renderer_native_create_dma_buf_framebuffer (MetaRendererNative *renderer_n
EGLImageKHR egl_image;
uint32_t strides[1];
uint32_t offsets[1];
uint64_t modifiers[1];
CoglPixelFormat cogl_format;
CoglEglImageFlags flags;
CoglTexture *cogl_tex;
@ -660,7 +659,6 @@ meta_renderer_native_create_dma_buf_framebuffer (MetaRendererNative *renderer_n
strides[0] = stride;
offsets[0] = offset;
modifiers[0] = modifier;
egl_image = meta_egl_create_dmabuf_image (egl,
egl_display,
width,
@ -670,7 +668,7 @@ meta_renderer_native_create_dma_buf_framebuffer (MetaRendererNative *renderer_n
&dmabuf_fd,
strides,
offsets,
modifiers,
modifier,
error);
if (egl_image == EGL_NO_IMAGE_KHR)
return NULL;
@ -945,6 +943,8 @@ meta_renderer_native_queue_mode_set_update (MetaRendererNative *renderer_native,
static CoglDmaBufHandle *
meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
CoglPixelFormat format,
uint64_t *modifiers,
int n_modifiers,
int width,
int height,
GError **error)
@ -964,7 +964,6 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
uint32_t stride;
uint32_t offset;
uint32_t bpp;
uint64_t modifier;
uint32_t drm_format;
CoglFramebuffer *dmabuf_fb;
CoglDmaBufHandle *dmabuf_handle;
@ -985,6 +984,7 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
buffer = meta_render_device_allocate_dma_buf (render_device,
width, height,
drm_format,
modifiers, n_modifiers,
flags,
error);
if (!buffer)
@ -997,17 +997,32 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
stride = meta_drm_buffer_get_stride (buffer);
offset = meta_drm_buffer_get_offset (buffer, 0);
bpp = meta_drm_buffer_get_bpp (buffer);
modifier = meta_drm_buffer_get_modifier (buffer);
if (n_modifiers)
{
uint64_t modifier = meta_drm_buffer_get_modifier (buffer);
dmabuf_fb =
meta_renderer_native_create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width, height,
stride,
offset,
modifier,
drm_format,
error);
dmabuf_fb =
meta_renderer_native_create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width, height,
stride,
offset,
&modifier,
drm_format,
error);
}
else
{
dmabuf_fb =
meta_renderer_native_create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width, height,
stride,
offset,
NULL,
drm_format,
error);
}
if (!dmabuf_fb)
{