diff options
Diffstat (limited to 'gst-libs/gst/gl/gstglmemory.c')
-rw-r--r-- | gst-libs/gst/gl/gstglmemory.c | 198 |
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, ¶ms, - &src->info, &src->valign, src->plane, NULL, NULL); + dest = _gl_mem_new (src->mem.mem.allocator, NULL, src->mem.context, + src->tex_target, ¶ms, &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, ¶ms, - &src->info, &src->valign, src->plane, NULL, NULL); + _gl_mem_init (dest, src->mem.mem.allocator, NULL, src->mem.context, + src->tex_target, ¶ms, &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; |