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-rw-r--r--video/out/opengl/hwdec_vaglx.c202
1 files changed, 202 insertions, 0 deletions
diff --git a/video/out/opengl/hwdec_vaglx.c b/video/out/opengl/hwdec_vaglx.c
new file mode 100644
index 0000000000..ad7496b9be
--- /dev/null
+++ b/video/out/opengl/hwdec_vaglx.c
@@ -0,0 +1,202 @@
+/*
+ * 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 <string.h>
+#include <assert.h>
+
+#include <GL/glx.h>
+
+#include "video/out/x11_common.h"
+#include "hwdec.h"
+#include "video/vaapi.h"
+
+struct priv {
+ struct mp_log *log;
+ struct mp_vaapi_ctx *ctx;
+ VADisplay *display;
+ Display *xdisplay;
+ GLuint gl_texture;
+ GLXFBConfig fbc;
+ Pixmap pixmap;
+ GLXPixmap glxpixmap;
+ void (*glXBindTexImage)(Display *dpy, GLXDrawable draw, int buffer, int *a);
+ void (*glXReleaseTexImage)(Display *dpy, GLXDrawable draw, int buffer);
+};
+
+static void destroy_texture(struct gl_hwdec *hw)
+{
+ struct priv *p = hw->priv;
+ GL *gl = hw->gl;
+
+ if (p->glxpixmap) {
+ p->glXReleaseTexImage(p->xdisplay, p->glxpixmap, GLX_FRONT_EXT);
+ glXDestroyPixmap(p->xdisplay, p->glxpixmap);
+ }
+ p->glxpixmap = 0;
+
+ if (p->pixmap)
+ XFreePixmap(p->xdisplay, p->pixmap);
+ p->pixmap = 0;
+
+ gl->DeleteTextures(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->hwctx)
+ return -1;
+ Display *x11disp = glXGetCurrentDisplay();
+ if (!x11disp)
+ return -1;
+ int x11scr = DefaultScreen(x11disp);
+ struct priv *p = talloc_zero(hw, struct priv);
+ hw->priv = p;
+ p->log = hw->log;
+ p->xdisplay = x11disp;
+ const char *glxext = glXQueryExtensionsString(x11disp, x11scr);
+ if (!glxext || !strstr(glxext, "GLX_EXT_texture_from_pixmap"))
+ return -1;
+ p->glXBindTexImage =
+ (void*)glXGetProcAddressARB((void*)"glXBindTexImageEXT");
+ p->glXReleaseTexImage =
+ (void*)glXGetProcAddressARB((void*)"glXReleaseTexImageEXT");
+ if (!p->glXBindTexImage || !p->glXReleaseTexImage)
+ return -1;
+ p->display = vaGetDisplay(x11disp);
+ if (!p->display)
+ return -1;
+ p->ctx = va_initialize(p->display, p->log, true);
+ if (!p->ctx) {
+ vaTerminate(p->display);
+ return -1;
+ }
+ if (hw->reject_emulated && va_guess_if_emulated(p->ctx)) {
+ destroy(hw);
+ return -1;
+ }
+
+ int attribs[] = {
+ GLX_BIND_TO_TEXTURE_RGBA_EXT, True,
+ GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
+ GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
+ GLX_Y_INVERTED_EXT, True,
+ GLX_DOUBLEBUFFER, False,
+ GLX_RED_SIZE, 8,
+ GLX_GREEN_SIZE, 8,
+ GLX_BLUE_SIZE, 8,
+ GLX_ALPHA_SIZE, 0,
+ None
+ };
+
+ int fbcount;
+ GLXFBConfig *fbc = glXChooseFBConfig(x11disp, x11scr, attribs, &fbcount);
+ if (fbcount)
+ p->fbc = fbc[0];
+ if (fbc)
+ XFree(fbc);
+ if (!fbcount) {
+ MP_VERBOSE(p, "No texture-from-pixmap support.\n");
+ destroy(hw);
+ return -1;
+ }
+
+ hw->hwctx = &p->ctx->hwctx;
+ hw->converted_imgfmt = IMGFMT_RGB0;
+ return 0;
+}
+
+static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
+{
+ struct priv *p = hw->priv;
+ GL *gl = hw->gl;
+
+ destroy_texture(hw);
+
+ params->imgfmt = hw->driver->imgfmt;
+
+ 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->BindTexture(GL_TEXTURE_2D, 0);
+
+ p->pixmap = XCreatePixmap(p->xdisplay,
+ RootWindow(p->xdisplay, DefaultScreen(p->xdisplay)),
+ params->w, params->h, 24);
+ if (!p->pixmap) {
+ MP_FATAL(hw, "could not create pixmap\n");
+ return -1;
+ }
+
+ int attribs[] = {
+ GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
+ GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGB_EXT,
+ GLX_MIPMAP_TEXTURE_EXT, False,
+ None,
+ };
+ p->glxpixmap = glXCreatePixmap(p->xdisplay, p->fbc, p->pixmap, attribs);
+
+ gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
+ p->glXBindTexImage(p->xdisplay, p->glxpixmap, GLX_FRONT_EXT, NULL);
+ gl->BindTexture(GL_TEXTURE_2D, 0);
+
+ return 0;
+}
+
+static int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
+ GLuint *out_textures)
+{
+ struct priv *p = hw->priv;
+ VAStatus status;
+
+ if (!p->pixmap)
+ return -1;
+
+ va_lock(p->ctx);
+ status = vaPutSurface(p->display, va_surface_id(hw_image), p->pixmap,
+ 0, 0, hw_image->w, hw_image->h,
+ 0, 0, hw_image->w, hw_image->h,
+ NULL, 0,
+ va_get_colorspace_flag(hw_image->params.colorspace));
+ CHECK_VA_STATUS(p, "vaPutSurface()");
+ va_unlock(p->ctx);
+
+ out_textures[0] = p->gl_texture;
+ return 0;
+}
+
+const struct gl_hwdec_driver gl_hwdec_vaglx = {
+ .api_name = "vaapi",
+ .imgfmt = IMGFMT_VAAPI,
+ .create = create,
+ .reinit = reinit,
+ .map_image = map_image,
+ .destroy = destroy,
+};