1 files changed, 140 insertions, 0 deletions
diff --git a/video/out/gl_hwdec_vaglx.c b/video/out/gl_hwdec_vaglx.c
new file mode 100644
index 0000000000..9e1030fe49
--- /dev/null
+++ b/video/out/gl_hwdec_vaglx.c
@@ -0,0 +1,140 @@
+/*
+ * This file is part of mpv.
+ *
+ * Parts based on the MPlayer VA-API patch (see vo_vaapi.c).
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stddef.h>
+#include <assert.h>
+
+#include <GL/glx.h>
+#include <va/va_glx.h>
+
+#include "x11_common.h"
+#include "gl_common.h"
+#include "video/vaapi.h"
+#include "video/decode/dec_video.h"
+
+struct priv {
+    struct mp_vaapi_ctx *ctx;
+    VADisplay *display;
+    GLuint gl_texture;
+    void *vaglx_surface;
+};
+
+static bool query_format(int imgfmt)
+{
+    return imgfmt == IMGFMT_VAAPI;
+}
+
+static void destroy_texture(struct gl_hwdec *hw)
+{
+    struct priv *p = hw->priv;
+    VAStatus status;
+
+    if (p->vaglx_surface) {
+        status = vaDestroySurfaceGLX(p->display, p->vaglx_surface);
+        check_va_status(status, "vaDestroySurfaceGLX()");
+        p->vaglx_surface = NULL;
+    }
+
+    glDeleteTextures(1, &p->gl_texture);
+    p->gl_texture = 0;
+}
+
+static void destroy(struct gl_hwdec *hw)
+{
+    struct priv *p = hw->priv;
+    destroy_texture(hw);
+    va_destroy(p->ctx);
+}
+
+static int create(struct gl_hwdec *hw)
+{
+    if (hw->info->vaapi_ctx)
+        return -1;
+    if (!hw->mpgl->vo->x11 || !glXGetCurrentContext())
+        return -1;
+    struct priv *p = talloc_zero(hw, struct priv);
+    hw->priv = p;
+    p->display = vaGetDisplayGLX(hw->mpgl->vo->x11->display);
+    if (!p->display)
+        return -1;
+    p->ctx = va_initialize(p->display);
+    if (!p->ctx) {
+        vaTerminate(p->display);
+        return -1;
+    }
+    hw->info->vaapi_ctx = p->ctx;
+    hw->converted_imgfmt = IMGFMT_RGBA;
+    return 0;
+}
+
+static int reinit(struct gl_hwdec *hw, int w, int h)
+{
+    struct priv *p = hw->priv;
+    GL *gl = hw->mpgl->gl;
+    VAStatus status;
+
+    destroy_texture(hw);
+
+    gl->GenTextures(1, &p->gl_texture);
+    gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
+    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0,
+                   GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+    gl->BindTexture(GL_TEXTURE_2D, 0);
+
+    status = vaCreateSurfaceGLX(p->display, GL_TEXTURE_2D,
+                                p->gl_texture, &p->vaglx_surface);
+    return check_va_status(status, "vaCreateSurfaceGLX()") ? 0 : -1;
+}
+
+static int load_image(struct gl_hwdec *hw, struct mp_image *hw_image,
+                      GLuint *out_textures)
+{
+    struct priv *p = hw->priv;
+    VAStatus status;
+
+    if (!p->vaglx_surface)
+        return -1;
+
+    status = vaCopySurfaceGLX(p->display, p->vaglx_surface,
+                              va_surface_id_in_mp_image(hw_image),
+                              va_get_colorspace_flag(hw_image->colorspace));
+    if (!check_va_status(status, "vaCopySurfaceGLX()"))
+        return -1;
+
+    out_textures[0] = p->gl_texture;
+    return 0;
+}
+
+static void unload_image(struct gl_hwdec *hw)
+{
+}
+
+const struct gl_hwdec_driver gl_hwdec_vaglx = {
+    .api_name = "vaapi",
+    .query_format = query_format,
+    .create = create,
+    .reinit = reinit,
+    .load_image = load_image,
+    .unload_image = unload_image,
+    .destroy = destroy,
+};