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glcontext_egl: add method to check if format supports a modifier
Makes _check_modifier from glupload reusable. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6792>
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d80477d769
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3 changed files with 57 additions and 35 deletions
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@ -57,6 +57,14 @@
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#include "../viv-fb/gstglwindow_viv_fb_egl.h"
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#endif
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#if GST_GL_HAVE_DMABUF
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#ifdef HAVE_LIBDRM
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#include <drm_fourcc.h>
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#endif
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#else
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#define DRM_FORMAT_MOD_LINEAR 0ULL
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#endif
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#define GST_CAT_DEFAULT gst_gl_context_debug
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typedef struct _GstGLDmaFormat GstGLDmaFormat;
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@ -1830,6 +1838,48 @@ beach:
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return FALSE;
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}
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/**
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* gst_gl_context_egl_format_supports_modifier: (skip)
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* @context: an EGL #GstGLContext
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* @fourcc: the FourCC format to look up
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* @modifier: the format modifier to check
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* @include_externam: whether to take external-only modifiers into account
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*
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* Returns: %TRUE if @fourcc supports @modifier.
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*
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* Since: 1.26
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*/
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gboolean
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gst_gl_context_egl_format_supports_modifier (GstGLContext * context,
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guint32 fourcc, guint64 modifier, gboolean include_external)
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{
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#if GST_GL_HAVE_DMABUF
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const GArray *dma_modifiers;
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guint i;
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g_return_val_if_fail (GST_IS_GL_CONTEXT_EGL (context), FALSE);
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if (!gst_gl_context_egl_get_format_modifiers (context, fourcc,
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&dma_modifiers))
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return FALSE;
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if (!dma_modifiers) {
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/* fourcc found, but no modifier info; consider only linear is supported */
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return (modifier == DRM_FORMAT_MOD_LINEAR);
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}
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for (i = 0; i < dma_modifiers->len; i++) {
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GstGLDmaModifier *mod = &g_array_index (dma_modifiers, GstGLDmaModifier, i);
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if (!mod->external_only || include_external) {
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if (mod->modifier == modifier)
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return TRUE;
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}
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}
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#endif
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return FALSE;
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}
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/**
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* gst_gl_context_egl_supports_modifier: (skip)
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* @context: an EGL #GStGLContext
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@ -113,6 +113,13 @@ G_GNUC_INTERNAL
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gboolean gst_gl_context_egl_get_format_modifiers (GstGLContext * context,
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gint fourcc,
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const GArray ** modifiers);
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G_GNUC_INTERNAL
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gboolean gst_gl_context_egl_format_supports_modifier (GstGLContext * context,
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guint32 fourcc,
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guint64 modifier,
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gboolean include_external);
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G_GNUC_INTERNAL
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gboolean gst_gl_context_egl_supports_modifier (GstGLContext * context);
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G_END_DECLS
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@ -867,41 +867,6 @@ _dma_buf_upload_new (GstGLUpload * upload)
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return dmabuf;
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}
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static gboolean
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_check_modifier (GstGLContext * context, guint32 fourcc,
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guint64 modifier, gboolean include_external)
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{
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const GArray *dma_modifiers;
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guint i;
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/* If no context provide, no further check. */
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if (!context)
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return TRUE;
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if (!gst_gl_context_egl_get_format_modifiers (context, fourcc,
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&dma_modifiers))
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return FALSE;
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if (!dma_modifiers) {
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/* recognize the fourcc but no modifier info, consider it as linear */
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if (modifier == DRM_FORMAT_MOD_LINEAR)
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return TRUE;
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return FALSE;
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}
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for (i = 0; i < dma_modifiers->len; i++) {
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GstGLDmaModifier *mod = &g_array_index (dma_modifiers, GstGLDmaModifier, i);
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if (!mod->external_only || include_external) {
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if (mod->modifier == modifier)
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return TRUE;
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}
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}
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return FALSE;
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}
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static void
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_set_default_formats_list (GstStructure * structure)
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{
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