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glcontext_egl: add method to check if format supports a modifier

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Makes _check_modifier from glupload reusable.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6792>
This commit is contained in:
Jakub Adam 2024-09-02 20:46:23 +02:00 committed by Nicolas Dufresne
parent d80477d769
commit 270e186311
3 changed files with 57 additions and 35 deletions
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50
subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.c
View file

@ -57,6 +57,14 @@
#include "../viv-fb/gstglwindow_viv_fb_egl.h"
#endif
#if GST_GL_HAVE_DMABUF
#ifdef HAVE_LIBDRM
#include <drm_fourcc.h>
#endif
#else
#define DRM_FORMAT_MOD_LINEAR 0ULL
#endif
#define GST_CAT_DEFAULT gst_gl_context_debug
typedef struct _GstGLDmaFormat GstGLDmaFormat;
@ -1830,6 +1838,48 @@ beach:
return FALSE;
}
/**
* gst_gl_context_egl_format_supports_modifier: (skip)
* @context: an EGL #GstGLContext
* @fourcc: the FourCC format to look up
* @modifier: the format modifier to check
* @include_externam: whether to take external-only modifiers into account
*
* Returns: %TRUE if @fourcc supports @modifier.
*
* Since: 1.26
*/
gboolean
gst_gl_context_egl_format_supports_modifier (GstGLContext * context,
guint32 fourcc, guint64 modifier, gboolean include_external)
{
#if GST_GL_HAVE_DMABUF
const GArray *dma_modifiers;
guint i;
g_return_val_if_fail (GST_IS_GL_CONTEXT_EGL (context), FALSE);
if (!gst_gl_context_egl_get_format_modifiers (context, fourcc,
&dma_modifiers))
return FALSE;
if (!dma_modifiers) {
/* fourcc found, but no modifier info; consider only linear is supported */
return (modifier == DRM_FORMAT_MOD_LINEAR);
}
for (i = 0; i < dma_modifiers->len; i++) {
GstGLDmaModifier *mod = &g_array_index (dma_modifiers, GstGLDmaModifier, i);
if (!mod->external_only || include_external) {
if (mod->modifier == modifier)
return TRUE;
}
}
#endif
return FALSE;
}
/**
* gst_gl_context_egl_supports_modifier: (skip)
* @context: an EGL #GStGLContext

7
subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.h
View file

@ -113,6 +113,13 @@ G_GNUC_INTERNAL
gboolean gst_gl_context_egl_get_format_modifiers (GstGLContext * context,
gint fourcc,
const GArray ** modifiers);
G_GNUC_INTERNAL
gboolean gst_gl_context_egl_format_supports_modifier (GstGLContext * context,
guint32 fourcc,
guint64 modifier,
gboolean include_external);
G_GNUC_INTERNAL
gboolean gst_gl_context_egl_supports_modifier (GstGLContext * context);
G_END_DECLS

35
subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c
View file

@ -867,41 +867,6 @@ _dma_buf_upload_new (GstGLUpload * upload)
return dmabuf;
}
static gboolean
_check_modifier (GstGLContext * context, guint32 fourcc,
guint64 modifier, gboolean include_external)
{
const GArray *dma_modifiers;
guint i;
/* If no context provide, no further check. */
if (!context)
return TRUE;
if (!gst_gl_context_egl_get_format_modifiers (context, fourcc,
&dma_modifiers))
return FALSE;
if (!dma_modifiers) {
/* recognize the fourcc but no modifier info, consider it as linear */
if (modifier == DRM_FORMAT_MOD_LINEAR)
return TRUE;
return FALSE;
}
for (i = 0; i < dma_modifiers->len; i++) {
GstGLDmaModifier *mod = &g_array_index (dma_modifiers, GstGLDmaModifier, i);
if (!mod->external_only || include_external) {
if (mod->modifier == modifier)
return TRUE;
}
}
return FALSE;
}
static void
_set_default_formats_list (GstStructure * structure)
{