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-rw-r--r--video/out/opengl/hwdec.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/video/out/opengl/hwdec.h b/video/out/opengl/hwdec.h
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+++ b/video/out/opengl/hwdec.h
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+#ifndef MPGL_HWDEC_H_
+#define MPGL_HWDEC_H_
+
+#include "common.h"
+#include "video/hwdec.h"
+
+struct mp_hwdec_info;
+
+struct gl_hwdec {
+ const struct gl_hwdec_driver *driver;
+ struct mp_log *log;
+ GL *gl;
+ struct mp_hwdec_ctx *hwctx;
+ // For free use by hwdec driver
+ void *priv;
+ // For working around the vdpau vs. vaapi mess.
+ bool reject_emulated;
+ // 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 VDA is shit.
+ GLenum gl_texture_target;
+};
+
+struct gl_hwdec_driver {
+ // Same name as used by mp_hwdec_info->load_api()
+ const char *api_name;
+ // 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.
+ 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.
+ 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);
+
+ void (*destroy)(struct gl_hwdec *hw);
+};
+
+struct gl_hwdec *gl_hwdec_load_api(struct mp_log *log, GL *gl,
+ const char *api_name);
+struct gl_hwdec *gl_hwdec_load_api_id(struct mp_log *log, GL *gl, int id);
+
+void gl_hwdec_uninit(struct gl_hwdec *hwdec);
+
+#endif