1 files changed, 27 insertions, 20 deletions

diff --git a/video/out/opengl/hwdec.h b/video/out/opengl/hwdec.h
index 5126d7f0fa..29ccd18a42 100644
--- a/video/out/opengl/hwdec.h
+++ b/video/out/opengl/hwdec.h
@@ -4,54 +4,61 @@
 #include "common.h"
 #include "video/hwdec.h"
 
-struct mp_hwdec_info;
-
 struct gl_hwdec {
     const struct gl_hwdec_driver *driver;
     struct mp_log *log;
     struct mpv_global *global;
     GL *gl;
-    struct mp_hwdec_ctx *hwctx;
+    struct mp_hwdec_devices *devs;
+    // GLSL extensions required to sample textures from this.
+    const char **glsl_extensions;
     // For free use by hwdec driver
     void *priv;
     // For working around the vdpau vs. vaapi mess.
     bool probing;
-    // hwdec backends must set this to an IMGFMT_ that has an equivalent
-    // internal representation in gl_video.c as the hardware texture.
-    // It's used to build the rendering chain. For example, setting it to
-    // IMGFMT_RGB0 indicates that the video texture is RGB.
-    int converted_imgfmt;
-    // Normally this is GL_TEXTURE_2D, but the hwdec driver can set it to
-    // GL_TEXTURE_RECTANGLE. This is needed because VideoToolbox is shit.
-    GLenum gl_texture_target;
+};
+
+struct gl_hwdec_plane {
+    GLuint gl_texture;
+    GLenum gl_target;
+    int tex_w, tex_h; // allocated texture size
+    char swizzle[5]; // component order (if length is 0, use defaults)
+};
+
+struct gl_hwdec_frame {
+    struct gl_hwdec_plane planes[4];
+    bool vdpau_fields;
 };
 
 struct gl_hwdec_driver {
-    // Name of the interop backend. This is used for logging only.
+    // Name of the interop backend. This is used for informational purposes only.
     const char *name;
     // Used to explicitly request a specific API.
     enum hwdec_type api;
     // The hardware surface IMGFMT_ that must be passed to map_image later.
     int imgfmt;
-    // Create the hwdec device. It must fill in hw->info, if applicable.
-    // This also must set hw->converted_imgfmt.
+    // Create the hwdec device. It must add it to hw->devs, if applicable.
     int (*create)(struct gl_hwdec *hw);
     // Prepare for rendering video. (E.g. create textures.)
     // Called on initialization, and every time the video size changes.
     // *params must be set to the format the hw textures return.
-    // This also can update hw->converted_imgfmt.
     int (*reinit)(struct gl_hwdec *hw, struct mp_image_params *params);
     // Return textures that contain a copy or reference of the given hw_image.
-    int (*map_image)(struct gl_hwdec *hw, struct mp_image *hw_image,
-                     GLuint *out_textures);
+    // The textures mirror the format returned by the reinit params argument.
+    // The textures must remain valid until unmap is called.
+    // hw_image remains referenced by the caller until unmap is called.
+    int (*map_frame)(struct gl_hwdec *hw, struct mp_image *hw_image,
+                     struct gl_hwdec_frame *out_frame);
+    // Must be idempotent.
+    void (*unmap)(struct gl_hwdec *hw);
 
     void (*destroy)(struct gl_hwdec *hw);
 };
 
 struct gl_hwdec *gl_hwdec_load_api(struct mp_log *log, GL *gl,
-                                   struct mpv_global *g, const char *api_name);
-struct gl_hwdec *gl_hwdec_load_api_id(struct mp_log *log, GL *gl,
-                                      struct mpv_global *g, int id);
+                                   struct mpv_global *g,
+                                   struct mp_hwdec_devices *devs,
+                                   enum hwdec_type api);
 
 void gl_hwdec_uninit(struct gl_hwdec *hwdec);