vo_gl3: move OSD code to gl_osd.c

Other OpenGL-using VOs can use this.

gl_osd.c includes some code for vo_gl.c. The next commit actually
makes use of it.

1 files changed, 41 insertions, 0 deletions

diff --git a/libvo/gl_osd.h b/libvo/gl_osd.h
new file mode 100644
index 0000000000..baebc3311c
--- /dev/null
+++ b/libvo/gl_osd.h
@@ -0,0 +1,41 @@
+#ifndef MPLAYER_GL_OSD_H
+#define MPLAYER_GL_OSD_H
+
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include "gl_common.h"
+#include "sub/sub.h"
+
+struct mpgl_osd_part {
+    enum sub_bitmap_format format;
+    int bitmap_id, bitmap_pos_id;
+    GLuint texture;
+    int w, h;
+    GLuint buffer;
+    int num_vertices;
+    void *vertices;
+    struct bitmap_packer *packer;
+};
+
+struct mpgl_osd {
+    GL *gl;
+    bool use_pbo;
+    struct mpgl_osd_part *parts[MAX_OSD_PARTS];
+    const struct osd_fmt_entry *fmt_table;
+    void *scratch;
+};
+
+struct mpgl_osd *mpgl_osd_init(GL *gl, bool legacy);
+void mpgl_osd_destroy(struct mpgl_osd *ctx);
+
+bool mpgl_osd_query_format(struct mpgl_osd *ctx, int osd_format);
+
+void mpgl_osd_draw_legacy(struct mpgl_osd *ctx, struct sub_bitmaps *b);
+struct mpgl_osd_part *mpgl_osd_generate(struct mpgl_osd *ctx,
+                                        struct sub_bitmaps *b);
+
+void mpgl_osd_gl_set_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p);
+void mpgl_osd_gl_unset_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p);
+
+#endif