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gl: initial support for texture targets other than GL_TEXTURE_2D

Browse source 
Make GstGLMemory hold the texture target (tex_target) the texture it represents
(tex_id) is bound to. Modify gst_gl_memory_wrapped_texture and
gst_gl_download_perform_with_data to take the texture target as an argument.

This change is needed to support wrapping textures created outside libgstgl,
which might be bound to a target other than GL_TEXTURE_2D. For example on OSX
textures coming from VideoToolbox have target GL_TEXTURE_RECTANGLE.

With this change we still keep (and sometimes imply) GL_TEXTURE_2D as the
target of textures created with libgstgl.

API: modify GstGLMemory
API: modify gst_gl_memory_wrapped_texture
API: gst_gl_download_perform_with_data
This commit is contained in:
Alessandro Decina 2015-01-28 00:13:46 +11:00
parent 12e8bb4a66
commit 5f547c5600
9 changed files with 79 additions and 48 deletions
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9
ext/gl/gstglmixer.c
View file

@ -1127,7 +1127,7 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
{
guint i;
GList *walk;
guint out_tex;
guint out_tex, out_tex_target;
gboolean res = TRUE;
guint array_index = 0;
GstVideoFrame out_frame;
@ -1153,6 +1153,8 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
if (!to_download) {
out_tex = *(guint *) out_frame.data[0];
out_tex_target =
((GstGLMemory *) gst_buffer_peek_memory (outbuf, 0))->tex_target;
} else {
GST_INFO ("Output Buffer does not contain correct memory, "
"attempting to wrap for download");
@ -1162,6 +1164,7 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
gst_gl_download_set_format (mix->download, &out_frame.info);
out_tex = mix->out_tex_id;
out_tex_target = GL_TEXTURE_2D;
}
GST_OBJECT_LOCK (mix);
@ -1215,8 +1218,8 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
g_mutex_unlock (&priv->gl_resource_lock);
if (to_download) {
if (!gst_gl_download_perform_with_data (mix->download, out_tex,
out_frame.data)) {
if (!gst_gl_download_perform_with_data (mix->download,
out_tex, out_tex_target, out_frame.data)) {
GST_ELEMENT_ERROR (mix, RESOURCE, NOT_FOUND, ("%s",
"Failed to download video frame"), (NULL));
res = FALSE;

9
ext/gl/gstgltestsrc.c
View file

@ -599,7 +599,7 @@ gst_gl_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
gint width, height;
GstVideoFrame out_frame;
GstGLSyncMeta *sync_meta;
guint out_tex;
guint out_tex, out_tex_target;
gboolean to_download =
gst_caps_features_is_equal (GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY,
gst_caps_get_features (src->out_caps, 0));
@ -634,6 +634,8 @@ gst_gl_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
if (!to_download) {
out_tex = *(guint *) out_frame.data[0];
out_tex_target =
((GstGLMemory *) gst_buffer_peek_memory (buffer, 0))->tex_target;
} else {
GST_INFO ("Output Buffer does not contain correct meta, "
"attempting to wrap for download");
@ -649,6 +651,7 @@ gst_gl_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
GST_VIDEO_FRAME_HEIGHT (&out_frame));
}
out_tex = src->out_tex_id;
out_tex_target = GL_TEXTURE_2D;
}
gst_buffer_replace (&src->buffer, buffer);
@ -661,8 +664,8 @@ gst_gl_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
}
if (to_download) {
if (!gst_gl_download_perform_with_data (src->download, out_tex,
out_frame.data)) {
if (!gst_gl_download_perform_with_data (src->download,
out_tex, out_tex_target, out_frame.data)) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, ("%s",
"Failed to init upload format"), (NULL));
return FALSE;

13
gst-libs/gst/gl/gstglcolorconvert.c
View file

@ -1549,14 +1549,15 @@ _do_convert_draw (GstGLContext * context, GstGLColorConvert * convert)
for (i = c_info->in_n_textures - 1; i >= 0; i--) {
gchar *scale_name = g_strdup_printf ("tex_scale%u", i);
GstGLMemory *m = convert->priv->in_tex[i];
guint tex_target = m->tex_target;
gl->ActiveTexture (GL_TEXTURE0 + i);
gl->BindTexture (GL_TEXTURE_2D, convert->priv->in_tex[i]->tex_id);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl->BindTexture (tex_target, convert->priv->in_tex[i]->tex_id);
gl->TexParameteri (tex_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (tex_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (tex_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (tex_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gst_gl_shader_set_uniform_2fv (convert->shader, scale_name, 1,
convert->priv->in_tex[i]->tex_scaling);

17
gst-libs/gst/gl/gstgldownload.c
View file

@ -47,7 +47,8 @@ static gboolean _do_download (GstGLDownload * download, guint texture_id,
gpointer data[GST_VIDEO_MAX_PLANES]);
static gboolean _init_download (GstGLDownload * download);
static gboolean _gst_gl_download_perform_with_data_unlocked (GstGLDownload *
download, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]);
download, GLuint texture_id, GLuint texture_target,
gpointer data[GST_VIDEO_MAX_PLANES]);
static void gst_gl_download_reset (GstGLDownload * download);
/* *INDENT-ON* */
@ -183,6 +184,7 @@ gst_gl_download_set_format (GstGLDownload * download, GstVideoInfo * out_info)
* gst_gl_download_perform_with_data:
* @download: a #GstGLDownload
* @texture_id: the texture id to download
* @texture_target: the GL texture target
* @data: (out): where the downloaded data should go
*
* Downloads @texture_id into @data. @data size and format is specified by
@ -191,7 +193,8 @@ gst_gl_download_set_format (GstGLDownload * download, GstVideoInfo * out_info)
* Returns: whether the download was successful
*/
gboolean
gst_gl_download_perform_with_data (GstGLDownload * download, GLuint texture_id,
gst_gl_download_perform_with_data (GstGLDownload * download,
GLuint texture_id, GLuint texture_target,
gpointer data[GST_VIDEO_MAX_PLANES])
{
gboolean ret;
@ -200,7 +203,8 @@ gst_gl_download_perform_with_data (GstGLDownload * download, GLuint texture_id,
GST_OBJECT_LOCK (download);
ret =
_gst_gl_download_perform_with_data_unlocked (download, texture_id, data);
_gst_gl_download_perform_with_data_unlocked (download,
texture_id, texture_target, data);
GST_OBJECT_UNLOCK (download);
return ret;
@ -208,7 +212,8 @@ gst_gl_download_perform_with_data (GstGLDownload * download, GLuint texture_id,
static gboolean
_gst_gl_download_perform_with_data_unlocked (GstGLDownload * download,
GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES])
GLuint texture_id, GLuint texture_target,
gpointer data[GST_VIDEO_MAX_PLANES])
{
guint i;
@ -231,8 +236,8 @@ _gst_gl_download_perform_with_data_unlocked (GstGLDownload * download,
GST_VIDEO_INFO_HEIGHT (&download->info));
download->priv->in_tex[0] =
gst_gl_memory_wrapped_texture (download->context, texture_id,
&temp_info, 0, NULL, NULL, NULL);
gst_gl_memory_wrapped_texture (download->context,
texture_id, texture_target, &temp_info, 0, NULL, NULL, NULL);
}
download->priv->in_tex[0]->tex_id = texture_id;

3
gst-libs/gst/gl/gstgldownload.h
View file

@ -74,7 +74,8 @@ GstGLDownload * gst_gl_download_new (GstGLContext * context);
void gst_gl_download_set_format (GstGLDownload * download, GstVideoInfo * out_info);
gboolean gst_gl_download_perform_with_data (GstGLDownload * download, GLuint texture_id,
gboolean gst_gl_download_perform_with_data (GstGLDownload * download,
GLuint texture_id, GLuint texture_target,
gpointer data[GST_VIDEO_MAX_PLANES]);
G_END_DECLS

10
gst-libs/gst/gl/gstglfilter.c
View file

@ -1222,7 +1222,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstGLFilterClass *filter_class;
guint in_tex, out_tex;
guint in_tex, out_tex, out_tex_target;
GstVideoFrame gl_frame, out_frame;
GstVideoInfo gl_info;
gboolean ret;
@ -1261,7 +1261,6 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
}
in_tex = *(guint *) gl_frame.data[0];
to_download |= !gst_is_gl_memory (gst_buffer_peek_memory (outbuf, 0));
if (!to_download)
@ -1275,6 +1274,8 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
if (!to_download) {
out_tex = *(guint *) out_frame.data[0];
out_tex_target =
((GstGLMemory *) gst_buffer_peek_memory (outbuf, 0))->tex_target;
} else {
GST_LOG ("Output Buffer does not contain correct memory, "
"attempting to wrap for download");
@ -1285,6 +1286,7 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
gst_gl_download_set_format (filter->download, &out_frame.info);
out_tex = filter->out_tex_id;
out_tex_target = GL_TEXTURE_2D;
}
GST_DEBUG ("calling filter_texture with textures in:%i out:%i", in_tex,
@ -1294,8 +1296,8 @@ gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
ret = filter_class->filter_texture (filter, in_tex, out_tex);
if (to_download) {
if (!gst_gl_download_perform_with_data (filter->download, out_tex,
out_frame.data)) {
if (!gst_gl_download_perform_with_data (filter->download,
out_tex, out_tex_target, out_frame.data)) {
GST_ELEMENT_ERROR (filter, RESOURCE, NOT_FOUND,
("%s", "Failed to download video frame"), (NULL));
ret = FALSE;

57
gst-libs/gst/gl/gstglmemory.c
View file

@ -112,6 +112,7 @@ typedef struct
guint out_width, out_height;
guint out_stride;
gboolean respecify;
guint tex_target;
/* inout */
guint tex_id;
/* out */
@ -372,6 +373,7 @@ _get_plane_height (GstVideoInfo * info, guint plane)
typedef struct _GenTexture
{
guint width, height;
GLenum gl_target;
GLenum gl_format;
GLenum gl_type;
guint result;
@ -391,14 +393,14 @@ _generate_texture (GstGLContext * context, GenTexture * data)
_sized_gl_format_from_gl_format_type (data->gl_format, data->gl_type);
gl->GenTextures (1, &data->result);
gl->BindTexture (GL_TEXTURE_2D, data->result);
gl->TexImage2D (GL_TEXTURE_2D, 0, internal_format, data->width,
gl->BindTexture (data->gl_target, data->result);
gl->TexImage2D (data->gl_target, 0, internal_format, data->width,
data->height, 0, data->gl_format, data->gl_type, NULL);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl->TexParameteri (data->gl_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (data->gl_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (data->gl_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (data->gl_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
GST_CAT_LOG (GST_CAT_GL_MEMORY, "generated texture id:%d", data->result);
}
@ -427,7 +429,7 @@ static void
_upload_memory (GstGLContext * context, GstGLMemory * gl_mem)
{
const GstGLFuncs *gl;
GLenum gl_format, gl_type;
GLenum gl_format, gl_type, gl_target;
gpointer data;
gsize plane_start;
@ -442,6 +444,7 @@ _upload_memory (GstGLContext * context, GstGLMemory * gl_mem)
gl_type = GL_UNSIGNED_SHORT_5_6_5;
gl_format = _gst_gl_format_from_gl_texture_type (gl_mem->tex_type);
gl_target = gl_mem->tex_target;
if (USING_OPENGL (context) || USING_GLES3 (context)
|| USING_OPENGL3 (context)) {
@ -464,8 +467,8 @@ _upload_memory (GstGLContext * context, GstGLMemory * gl_mem)
data = (gpointer) ((gintptr) plane_start + (gintptr) gl_mem->data);
}
gl->BindTexture (GL_TEXTURE_2D, gl_mem->tex_id);
gl->TexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, gl_mem->tex_width,
gl->BindTexture (gl_target, gl_mem->tex_id);
gl->TexSubImage2D (gl_target, 0, 0, 0, gl_mem->tex_width,
GL_MEM_HEIGHT (gl_mem), gl_format, gl_type, data);
if (gl_mem->transfer_pbo && CONTEXT_SUPPORTS_PBO_UPLOAD (context))
@ -478,7 +481,7 @@ _upload_memory (GstGLContext * context, GstGLMemory * gl_mem)
gl->PixelStorei (GL_UNPACK_ALIGNMENT, 4);
}
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->BindTexture (gl_target, 0);
GST_GL_MEMORY_FLAG_UNSET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD);
}
@ -688,9 +691,9 @@ _download_memory (GstGLContext * context, GstGLMemory * gl_mem)
if (gl_mem->tex_type == GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE
|| gl_mem->tex_type == GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA) {
gl->BindTexture (GL_TEXTURE_2D, gl_mem->tex_id);
gl->GetTexImage (GL_TEXTURE_2D, 0, format, type, gl_mem->data);
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->BindTexture (gl_mem->tex_target, gl_mem->tex_id);
gl->GetTexImage (gl_mem->tex_target, 0, format, type, gl_mem->data);
gl->BindTexture (gl_mem->tex_target, 0);
} else if (gl_mem->transfer_pbo && CONTEXT_SUPPORTS_PBO_DOWNLOAD (context)) {
gsize size = ((GstMemory *) gl_mem)->maxsize;
gpointer map_data = NULL;
@ -717,7 +720,7 @@ _download_memory (GstGLContext * context, GstGLMemory * gl_mem)
gl->BindFramebuffer (GL_FRAMEBUFFER, fboId);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, gl_mem->tex_id, 0);
gl_mem->tex_target, gl_mem->tex_id, 0);
if (!gst_gl_context_check_framebuffer_status (context))
goto fbo_error;
@ -759,6 +762,8 @@ _gl_mem_init (GstGLMemory * mem, GstAllocator * allocator, GstMemory * parent,
mem->tex_type =
gst_gl_texture_type_from_format (context, GST_VIDEO_INFO_FORMAT (info),
plane);
/* we always operate on 2D textures unless we're dealing with wrapped textures */
mem->tex_target = GL_TEXTURE_2D;
mem->plane = plane;
mem->notify = notify;
mem->user_data = user_data;
@ -789,6 +794,7 @@ _gl_mem_new (GstAllocator * allocator, GstMemory * parent,
data.height = GL_MEM_HEIGHT (mem);
data.gl_format = _gst_gl_format_from_gl_texture_type (mem->tex_type);
data.gl_type = GL_UNSIGNED_BYTE;
data.gl_target = mem->tex_target;
if (mem->tex_type == GST_VIDEO_GL_TEXTURE_TYPE_RGB16)
data.gl_type = GL_UNSIGNED_SHORT_5_6_5;
@ -802,6 +808,7 @@ _gl_mem_new (GstAllocator * allocator, GstMemory * parent,
GST_CAT_TRACE (GST_CAT_GL_MEMORY, "created texture %u", data.result);
mem->tex_id = data.result;
mem->tex_target = data.gl_target;
return mem;
}
@ -897,6 +904,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
GstGLMemoryCopyParams *copy_params;
GstGLMemory *src;
guint tex_id;
GLuint out_tex_target;
GLuint fboId;
gsize out_width, out_height, out_stride;
GLuint out_gl_format, out_gl_type;
@ -906,6 +914,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
copy_params = (GstGLMemoryCopyParams *) data;
src = copy_params->src;
tex_id = copy_params->tex_id;
out_tex_target = copy_params->tex_target;
out_width = copy_params->out_width;
out_height = copy_params->out_height;
out_stride = copy_params->out_stride;
@ -942,6 +951,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
GenTexture data = { 0, };
data.width = copy_params->out_width;
data.height = copy_params->out_height;
data.gl_target = out_tex_target;
data.gl_format = out_gl_format;
data.gl_type = GL_UNSIGNED_BYTE;
if (copy_params->out_format == GST_VIDEO_GL_TEXTURE_TYPE_RGB16)
@ -965,17 +975,17 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
gl->BindFramebuffer (GL_FRAMEBUFFER, fboId);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, src->tex_id, 0);
src->tex_target, src->tex_id, 0);
// if (!gst_gl_context_check_framebuffer_status (src->context))
// goto fbo_error;
gl->BindTexture (GL_TEXTURE_2D, tex_id);
gl->BindTexture (out_tex_target, tex_id);
if (copy_params->respecify) {
if (!gl->GenBuffers) {
gst_gl_context_set_error (context, "Cannot reinterpret texture contents "
"without buffer objects");
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->BindTexture (out_tex_target, 0);
goto fbo_error;
}
@ -983,7 +993,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
&& (in_gl_format != GL_RGBA || in_gl_type != GL_UNSIGNED_BYTE)) {
gst_gl_context_set_error (context, "Cannot copy non RGBA/UNSIGNED_BYTE "
"textures on GLES2");
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->BindTexture (out_tex_target, 0);
goto fbo_error;
}
@ -1002,16 +1012,16 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
gl->BindBuffer (GL_PIXEL_PACK_BUFFER, 0);
gl->BindBuffer (GL_PIXEL_UNPACK_BUFFER, src->pbo);
gl->TexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, out_width, out_height,
gl->TexSubImage2D (out_tex_target, 0, 0, 0, out_width, out_height,
out_gl_format, out_gl_type, 0);
gl->BindBuffer (GL_PIXEL_UNPACK_BUFFER, 0);
} else { /* different sizes */
gl->CopyTexImage2D (GL_TEXTURE_2D, 0, out_gl_format, 0, 0, out_width,
gl->CopyTexImage2D (out_tex_target, 0, out_gl_format, 0, 0, out_width,
out_height, 0);
}
gl->BindTexture (GL_TEXTURE_2D, 0);
gl->BindTexture (out_tex_target, 0);
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
gl->DeleteFramebuffers (1, &fboId);
@ -1203,6 +1213,7 @@ gst_gl_memory_copy_into_texture (GstGLMemory * gl_mem, guint tex_id,
* gst_gl_memory_wrapped_texture:
* @context: a #GstGLContext
* @texture_id: the GL texture handle
* @texture_target: the GL texture target
* @info: the #GstVideoInfo of the memory
* @plane: The plane this memory will represent
* @user_data: user data
@ -1213,7 +1224,8 @@ gst_gl_memory_copy_into_texture (GstGLMemory * gl_mem, guint tex_id,
* Returns: a newly allocated #GstGLMemory
*/
GstGLMemory *
gst_gl_memory_wrapped_texture (GstGLContext * context, guint texture_id,
gst_gl_memory_wrapped_texture (GstGLContext * context,
guint texture_id, guint texture_target,
GstVideoInfo * info, guint plane, GstVideoAlignment * valign,
gpointer user_data, GDestroyNotify notify)
{
@ -1224,6 +1236,7 @@ gst_gl_memory_wrapped_texture (GstGLContext * context, guint texture_id,
NULL);
mem->tex_id = texture_id;
mem->tex_target = texture_target;
mem->texture_wrapped = TRUE;
mem->data = g_try_malloc (mem->mem.maxsize);
if (mem->data == NULL) {

3
gst-libs/gst/gl/gstglmemory.h
View file

@ -84,6 +84,7 @@ struct _GstGLMemory
GstGLContext *context;
guint tex_id;
guint tex_target;
GstVideoGLTextureType tex_type;
GstVideoInfo info;
GstVideoAlignment valign;
@ -158,7 +159,7 @@ GstMemory * gst_gl_memory_alloc (GstGLContext * context, GstVideoInfo * info
GstGLMemory * gst_gl_memory_wrapped (GstGLContext * context, GstVideoInfo * info, guint plane,
GstVideoAlignment *valign, gpointer data,
gpointer user_data, GDestroyNotify notify);
GstGLMemory * gst_gl_memory_wrapped_texture (GstGLContext * context, guint texture_id,
GstGLMemory * gst_gl_memory_wrapped_texture (GstGLContext * context, guint texture_id, guint texture_target,
GstVideoInfo * info, guint plane, GstVideoAlignment *valign,
gpointer user_data, GDestroyNotify notify);

6
gst-libs/gst/gl/gstgluploadmeta.c
View file

@ -221,9 +221,11 @@ _perform_with_gl_memory (GstGLUploadMeta * upload, GstVideoGLTextureUploadMeta *
GstGLMemory *out_mem;
gint mem_width, mem_height;
if (!upload->priv->out_tex[i])
if (!upload->priv->out_tex[i]) {
/* the GL upload meta creates GL_TEXTURE_2D textures */
upload->priv->out_tex[i] = gst_gl_memory_wrapped_texture (upload->context,
texture_id[i], &upload->info, i, NULL, NULL, NULL);
texture_id[i], GL_TEXTURE_2D, &upload->info, i, NULL, NULL, NULL);
}
out_mem = upload->priv->out_tex[i];