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Diffstat (limited to 'gst-libs/gst/gl/gstglmemory.c')
-rw-r--r--gst-libs/gst/gl/gstglmemory.c198
1 files changed, 147 insertions, 51 deletions
diff --git a/gst-libs/gst/gl/gstglmemory.c b/gst-libs/gst/gl/gstglmemory.c
index 0a528ec16..a1c884c44 100644
--- a/gst-libs/gst/gl/gstglmemory.c
+++ b/gst-libs/gst/gl/gstglmemory.c
@@ -108,6 +108,13 @@ static GstAllocator *_gl_allocator;
#define GL_UNPACK_ROW_LENGTH 0x0CF2
#endif
+#ifndef GL_TEXTURE_RECTANGLE
+#define GL_TEXTURE_RECTANGLE 0x84F5
+#endif
+#ifndef GL_TEXTURE_EXTERNAL_OES
+#define GL_TEXTURE_EXTERNAL_OES 0x8D65
+#endif
+
G_DEFINE_TYPE (GstGLAllocator, gst_gl_allocator,
GST_TYPE_GL_BASE_BUFFER_ALLOCATOR);
@@ -119,7 +126,7 @@ typedef struct
guint out_width, out_height;
guint out_stride;
gboolean respecify;
- guint tex_target;
+ GstGLTextureTarget tex_target;
/* inout */
guint tex_id;
/* out */
@@ -360,6 +367,67 @@ gst_gl_sized_gl_format_from_gl_format_type (GstGLContext * context,
return 0;
}
+const gchar *
+gst_gl_texture_target_to_string (GstGLTextureTarget target)
+{
+ switch (target) {
+ case GST_GL_TEXTURE_TARGET_2D:
+ return GST_GL_TEXTURE_TARGET_2D_STR;
+ case GST_GL_TEXTURE_TARGET_RECTANGLE:
+ return GST_GL_TEXTURE_TARGET_RECTANGLE_STR;
+ case GST_GL_TEXTURE_TARGET_EXTERNAL_OES:
+ return GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR;
+ default:
+ return NULL;
+ }
+}
+
+GstGLTextureTarget
+gst_gl_texture_target_from_string (const gchar * str)
+{
+ if (!str)
+ return GST_GL_TEXTURE_TARGET_NONE;
+
+ if (g_strcmp0 (str, GST_GL_TEXTURE_TARGET_2D_STR) == 0)
+ return GST_GL_TEXTURE_TARGET_2D;
+ if (g_strcmp0 (str, GST_GL_TEXTURE_TARGET_RECTANGLE_STR) == 0)
+ return GST_GL_TEXTURE_TARGET_RECTANGLE;
+ if (g_strcmp0 (str, GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR) == 0)
+ return GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
+
+ return GST_GL_TEXTURE_TARGET_NONE;
+}
+
+guint
+gst_gl_texture_target_to_gl (GstGLTextureTarget target)
+{
+ switch (target) {
+ case GST_GL_TEXTURE_TARGET_2D:
+ return GL_TEXTURE_2D;
+ case GST_GL_TEXTURE_TARGET_RECTANGLE:
+ return GL_TEXTURE_RECTANGLE;
+ case GST_GL_TEXTURE_TARGET_EXTERNAL_OES:
+ return GL_TEXTURE_EXTERNAL_OES;
+ default:
+ return 0;
+ }
+}
+
+GstGLTextureTarget
+gst_gl_texture_target_from_gl (guint target)
+{
+ switch (target) {
+ case GL_TEXTURE_2D:
+ return GST_GL_TEXTURE_TARGET_2D;
+ case GL_TEXTURE_RECTANGLE:
+ return GST_GL_TEXTURE_TARGET_RECTANGLE;
+ case GL_TEXTURE_EXTERNAL_OES:
+ return GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
+ default:
+ return GST_GL_TEXTURE_TARGET_NONE;
+ }
+}
+
static inline guint
_get_plane_width (GstVideoInfo * info, guint plane)
{
@@ -432,7 +500,7 @@ _upload_memory (GstGLMemory * gl_mem, GstMapInfo * info, gsize maxsize)
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;
+ gl_target = gst_gl_texture_target_to_gl (gl_mem->tex_target);
if (USING_OPENGL (context) || USING_GLES3 (context)
|| USING_OPENGL3 (context)) {
@@ -560,14 +628,17 @@ _new_texture (GstGLContext * context, guint target, guint internal_format,
gl->GenTextures (1, &tex_id);
gl->BindTexture (target, tex_id);
- gl->TexImage2D (target, 0, internal_format, width, height, 0, format, type,
- NULL);
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_RECTANGLE)
+ gl->TexImage2D (target, 0, internal_format, width, height, 0, format, type,
+ NULL);
gl->TexParameteri (target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ gl->BindTexture (target, 0);
+
return tex_id;
}
@@ -594,8 +665,9 @@ _gl_mem_create (GstGLMemory * gl_mem, GError ** error)
if (!gl_mem->texture_wrapped) {
gl_mem->tex_id =
- _new_texture (context, gl_mem->tex_target, internal_format, tex_format,
- tex_type, gl_mem->tex_width, GL_MEM_HEIGHT (gl_mem));
+ _new_texture (context, gst_gl_texture_target_to_gl (gl_mem->tex_target),
+ internal_format, tex_format, tex_type, gl_mem->tex_width,
+ GL_MEM_HEIGHT (gl_mem));
}
GST_LOG ("generated texture id:%d", gl_mem->tex_id);
@@ -617,10 +689,12 @@ _gl_mem_create (GstGLMemory * gl_mem, GError ** error)
static void
_gl_mem_init (GstGLMemory * mem, GstAllocator * allocator, GstMemory * parent,
- GstGLContext * context, GstAllocationParams * params, GstVideoInfo * info,
+ GstGLContext * context, GstGLTextureTarget target,
+ GstAllocationParams * params, GstVideoInfo * info,
GstVideoAlignment * valign, guint plane, gpointer user_data,
GDestroyNotify notify)
{
+ const gchar *target_str;
gsize size;
g_return_if_fail (plane < GST_VIDEO_INFO_N_PLANES (info));
@@ -649,7 +723,7 @@ _gl_mem_init (GstGLMemory * mem, GstAllocator * allocator, GstMemory * parent,
size = gst_gl_get_plane_data_size (info, valign, plane);
/* we always operate on 2D textures unless we're dealing with wrapped textures */
- mem->tex_target = GL_TEXTURE_2D;
+ mem->tex_target = target;
mem->tex_type =
gst_gl_texture_type_from_format (context, GST_VIDEO_INFO_FORMAT (info),
plane);
@@ -663,15 +737,17 @@ _gl_mem_init (GstGLMemory * mem, GstAllocator * allocator, GstMemory * parent,
gst_gl_base_buffer_init ((GstGLBaseBuffer *) mem, allocator, parent, context,
params, size);
- GST_DEBUG ("new GL texture context:%" GST_PTR_FORMAT " memory:%p format:%u "
- "dimensions:%ux%u stride:%u size:%" G_GSIZE_FORMAT, context, mem,
- mem->tex_type, mem->tex_width, GL_MEM_HEIGHT (mem), GL_MEM_STRIDE (mem),
- mem->mem.mem.size);
+ target_str = gst_gl_texture_target_to_string (target);
+ GST_DEBUG ("new GL texture context:%" GST_PTR_FORMAT " memory:%p target:%s "
+ "format:%u dimensions:%ux%u stride:%u size:%" G_GSIZE_FORMAT, context,
+ mem, target_str, mem->tex_type, mem->tex_width, GL_MEM_HEIGHT (mem),
+ GL_MEM_STRIDE (mem), mem->mem.mem.size);
}
static GstGLMemory *
_gl_mem_new (GstAllocator * allocator, GstMemory * parent,
- GstGLContext * context, GstAllocationParams * params, GstVideoInfo * info,
+ GstGLContext * context, GstGLTextureTarget target,
+ GstAllocationParams * params, GstVideoInfo * info,
GstVideoAlignment * valign, guint plane, gpointer user_data,
GDestroyNotify notify)
{
@@ -679,8 +755,8 @@ _gl_mem_new (GstAllocator * allocator, GstMemory * parent,
mem = g_slice_new0 (GstGLMemory);
mem->texture_wrapped = FALSE;
- _gl_mem_init (mem, allocator, parent, context, params, info, valign, plane,
- user_data, notify);
+ _gl_mem_init (mem, allocator, parent, context, target, params, info, valign,
+ plane, user_data, notify);
return mem;
}
@@ -703,7 +779,7 @@ _gl_mem_read_pixels (GstGLMemory * gl_mem, gpointer read_pointer)
gl->BindFramebuffer (GL_FRAMEBUFFER, fbo);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
- gl_mem->tex_target, gl_mem->tex_id, 0);
+ gst_gl_texture_target_to_gl (gl_mem->tex_target), gl_mem->tex_id, 0);
if (!gst_gl_context_check_framebuffer_status (context)) {
GST_CAT_WARNING (GST_CAT_GL_MEMORY,
@@ -799,6 +875,7 @@ _gl_mem_download_get_tex_image (GstGLMemory * gl_mem, GstMapInfo * info,
if (info->flags & GST_MAP_READ
&& gl_mem->transfer_state & GST_GL_MEMORY_TRANSFER_NEED_DOWNLOAD) {
guint format, type;
+ guint target;
GST_CAT_TRACE (GST_CAT_GL_MEMORY, "attempting download of texture %u "
"using glGetTexImage", gl_mem->tex_id);
@@ -808,9 +885,10 @@ _gl_mem_download_get_tex_image (GstGLMemory * gl_mem, GstMapInfo * info,
if (gl_mem->tex_type == GST_VIDEO_GL_TEXTURE_TYPE_RGB16)
type = GL_UNSIGNED_SHORT_5_6_5;
- gl->BindTexture (gl_mem->tex_target, gl_mem->tex_id);
- gl->GetTexImage (gl_mem->tex_target, 0, format, type, gl_mem->mem.data);
- gl->BindTexture (gl_mem->tex_target, 0);
+ target = gst_gl_texture_target_to_gl (gl_mem->tex_target);
+ gl->BindTexture (target, gl_mem->tex_id);
+ gl->GetTexImage (target, 0, format, type, gl_mem->mem.data);
+ gl->BindTexture (target, 0);
}
return gl_mem->mem.data;
@@ -863,6 +941,9 @@ _gl_mem_map_buffer (GstGLMemory * gl_mem, GstMapInfo * info, gsize maxsize)
GST_GL_BASE_BUFFER_ALLOCATOR_CLASS (gst_gl_allocator_parent_class);
if ((info->flags & GST_MAP_GL) == GST_MAP_GL) {
+ if (gl_mem->tex_target == GST_GL_TEXTURE_TARGET_EXTERNAL_OES)
+ return &gl_mem->tex_id;
+
if ((info->flags & GST_MAP_READ) == GST_MAP_READ) {
GST_TRACE ("mapping GL texture:%u for reading", gl_mem->tex_id);
@@ -883,6 +964,11 @@ _gl_mem_map_buffer (GstGLMemory * gl_mem, GstMapInfo * info, gsize maxsize)
data = &gl_mem->tex_id;
} else { /* not GL */
+ if (gl_mem->tex_target == GST_GL_TEXTURE_TARGET_EXTERNAL_OES) {
+ GST_CAT_ERROR (GST_CAT_GL_MEMORY, "Cannot map External OES textures");
+ return NULL;
+ }
+
data = _gl_mem_map_cpu_access (gl_mem, info, maxsize);
if (info->flags & GST_MAP_WRITE)
gl_mem->transfer_state |= GST_GL_MEMORY_TRANSFER_NEED_UPLOAD;
@@ -931,7 +1017,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
GstGLMemoryCopyParams *copy_params;
GstGLMemory *src;
guint tex_id;
- GLuint out_tex_target;
+ guint out_tex_target;
GLuint fboId;
gsize out_width, out_height, out_stride;
GLuint out_gl_format, out_gl_type;
@@ -941,7 +1027,7 @@ _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_tex_target = gst_gl_texture_target_to_gl (copy_params->tex_target);
out_width = copy_params->out_width;
out_height = copy_params->out_height;
out_stride = copy_params->out_stride;
@@ -987,8 +1073,9 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
out_gl_type);
tex_id =
- _new_texture (context, out_tex_target, internal_format, out_gl_format,
- out_gl_type, copy_params->out_width, copy_params->out_height);
+ _new_texture (context, out_tex_target,
+ internal_format, out_gl_format, out_gl_type, copy_params->out_width,
+ copy_params->out_height);
}
if (!tex_id) {
@@ -1004,7 +1091,7 @@ _gl_mem_copy_thread (GstGLContext * context, gpointer data)
gl->BindFramebuffer (GL_FRAMEBUFFER, fboId);
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
- src->tex_target, src->tex_id, 0);
+ gst_gl_texture_target_to_gl (src->tex_target), src->tex_id, 0);
// if (!gst_gl_context_check_framebuffer_status (src->context))
// goto fbo_error;
@@ -1080,6 +1167,11 @@ _gl_mem_copy (GstGLMemory * src, gssize offset, gssize size)
GstGLAllocator *allocator = (GstGLAllocator *) src->mem.mem.allocator;
GstMemory *ret = NULL;
+ if (src->tex_target == GST_GL_TEXTURE_TARGET_EXTERNAL_OES) {
+ GST_CAT_ERROR (GST_CAT_GL_MEMORY, "Cannot copy External OES textures");
+ return NULL;
+ }
+
/* If not doing a full copy, then copy to sysmem, the 2D represention of the
* texture would become wrong */
if (offset > 0 || size < src->mem.mem.size) {
@@ -1088,8 +1180,9 @@ _gl_mem_copy (GstGLMemory * src, gssize offset, gssize size)
GstAllocationParams params = { 0, src->mem.mem.align, 0, 0 };
GstGLMemory *dest;
- dest = _gl_mem_new (src->mem.mem.allocator, NULL, src->mem.context, &params,
- &src->info, &src->valign, src->plane, NULL, NULL);
+ dest = _gl_mem_new (src->mem.mem.allocator, NULL, src->mem.context,
+ src->tex_target, &params, &src->info, &src->valign, src->plane, NULL,
+ NULL);
dest = (GstGLMemory *) gst_gl_base_buffer_alloc_data ((GstGLBaseBuffer *)
dest);
@@ -1127,8 +1220,9 @@ _gl_mem_copy (GstGLMemory * src, gssize offset, gssize size)
dest = g_slice_new0 (GstGLMemory);
/* don't create our own texture */
dest->texture_wrapped = TRUE;
- _gl_mem_init (dest, src->mem.mem.allocator, NULL, src->mem.context, &params,
- &src->info, &src->valign, src->plane, NULL, NULL);
+ _gl_mem_init (dest, src->mem.mem.allocator, NULL, src->mem.context,
+ src->tex_target, &params, &src->info, &src->valign, src->plane, NULL,
+ NULL);
dest->texture_wrapped = FALSE;
dest->tex_id = copy_params.tex_id;
@@ -1242,13 +1336,13 @@ gst_gl_allocator_init (GstGLAllocator * allocator)
*/
gboolean
gst_gl_memory_copy_into_texture (GstGLMemory * gl_mem, guint tex_id,
- GstVideoGLTextureType tex_type, gint width, gint height, gint stride,
- gboolean respecify)
+ GstGLTextureTarget target, GstVideoGLTextureType tex_type, gint width,
+ gint height, gint stride, gboolean respecify)
{
GstGLMemoryCopyParams copy_params;
copy_params.src = gl_mem;
- copy_params.tex_target = gl_mem->tex_target;
+ copy_params.tex_target = target;
copy_params.tex_id = tex_id;
copy_params.out_format = tex_type;
copy_params.out_width = width;
@@ -1278,7 +1372,7 @@ gst_gl_memory_copy_into_texture (GstGLMemory * gl_mem, guint tex_id,
*/
GstGLMemory *
gst_gl_memory_wrapped_texture (GstGLContext * context,
- guint texture_id, guint texture_target,
+ guint texture_id, GstGLTextureTarget target,
GstVideoInfo * info, guint plane, GstVideoAlignment * valign,
gpointer user_data, GDestroyNotify notify)
{
@@ -1289,10 +1383,8 @@ gst_gl_memory_wrapped_texture (GstGLContext * context,
mem->tex_id = texture_id;
mem->texture_wrapped = TRUE;
- _gl_mem_init (mem, _gl_allocator, NULL, context, NULL, info, valign, plane,
- user_data, notify);
-
- mem->tex_target = texture_target;
+ _gl_mem_init (mem, _gl_allocator, NULL, context, target, NULL, info, valign,
+ plane, user_data, notify);
mem = (GstGLMemory *) gst_gl_base_buffer_alloc_data ((GstGLBaseBuffer *) mem);
GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_BUFFER_FLAG_NEED_DOWNLOAD);
@@ -1315,13 +1407,15 @@ gst_gl_memory_wrapped_texture (GstGLContext * context,
* from @context
*/
GstMemory *
-gst_gl_memory_alloc (GstGLContext * context, GstAllocationParams * params,
- GstVideoInfo * info, guint plane, GstVideoAlignment * valign)
+gst_gl_memory_alloc (GstGLContext * context, GstGLTextureTarget target,
+ GstAllocationParams * params, GstVideoInfo * info, guint plane,
+ GstVideoAlignment * valign)
{
GstGLMemory *mem;
- mem = _gl_mem_new (_gl_allocator, NULL, context, params, info, valign, plane,
- NULL, NULL);
+ mem =
+ _gl_mem_new (_gl_allocator, NULL, context, target, params, info, valign,
+ plane, NULL, NULL);
mem = (GstGLMemory *) gst_gl_base_buffer_alloc_data ((GstGLBaseBuffer *) mem);
return (GstMemory *) mem;
@@ -1344,14 +1438,14 @@ gst_gl_memory_alloc (GstGLContext * context, GstAllocationParams * params,
* from @context and contents specified by @data
*/
GstGLMemory *
-gst_gl_memory_wrapped (GstGLContext * context, GstVideoInfo * info,
- guint plane, GstVideoAlignment * valign, gpointer data, gpointer user_data,
- GDestroyNotify notify)
+gst_gl_memory_wrapped (GstGLContext * context, GstGLTextureTarget target,
+ GstVideoInfo * info, guint plane, GstVideoAlignment * valign, gpointer data,
+ gpointer user_data, GDestroyNotify notify)
{
GstGLMemory *mem;
- mem = _gl_mem_new (_gl_allocator, NULL, context, NULL, info, valign, plane,
- user_data, notify);
+ mem = _gl_mem_new (_gl_allocator, NULL, context, target, NULL, info, valign,
+ plane, user_data, notify);
if (!mem)
return NULL;
@@ -1482,7 +1576,7 @@ gst_is_gl_memory (GstMemory * mem)
* Returns: whether the memory's were sucessfully added.
*/
gboolean
-gst_gl_memory_setup_buffer (GstGLContext * context,
+gst_gl_memory_setup_buffer (GstGLContext * context, GstGLTextureTarget target,
GstAllocationParams * params, GstVideoInfo * info,
GstVideoAlignment * valign, GstBuffer * buffer)
{
@@ -1500,7 +1594,7 @@ gst_gl_memory_setup_buffer (GstGLContext * context,
for (v = 0; v < views; v++) {
for (i = 0; i < n_mem; i++) {
gl_mem[i] =
- (GstGLMemory *) gst_gl_memory_alloc (context, params, info, i,
+ (GstGLMemory *) gst_gl_memory_alloc (context, target, params, info, i,
valign);
if (gl_mem[i] == NULL)
return FALSE;
@@ -1533,16 +1627,18 @@ gst_gl_memory_setup_buffer (GstGLContext * context,
* Returns: whether the memory's were sucessfully created.
*/
gboolean
-gst_gl_memory_setup_wrapped (GstGLContext * context, GstVideoInfo * info,
- GstVideoAlignment * valign, gpointer data[GST_VIDEO_MAX_PLANES],
+gst_gl_memory_setup_wrapped (GstGLContext * context, GstGLTextureTarget target,
+ GstVideoInfo * info, GstVideoAlignment * valign,
+ gpointer data[GST_VIDEO_MAX_PLANES],
GstGLMemory * textures[GST_VIDEO_MAX_PLANES], gpointer user_data,
GDestroyNotify notify)
{
gint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
- textures[i] = (GstGLMemory *) gst_gl_memory_wrapped (context, info, i,
- valign, data[i], user_data, notify);
+ textures[i] =
+ (GstGLMemory *) gst_gl_memory_wrapped (context, target, info, i, valign,
+ data[i], user_data, notify);
}
return TRUE;