st/egl: Move the copy context to the native display structure

This makes it usable also for native helpers.
Also add inline functions to access the context and to
uninit the native display structure.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

9 files changed, 39 insertions, 20 deletions

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index 6107df48822..e60a56074dd 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -455,9 +455,6 @@ egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
 
    _eglReleaseDisplayResources(drv, dpy);
 
-   if (gdpy->pipe)
-      gdpy->pipe->destroy(gdpy->pipe);
-
    if (dpy->Configs) {
       _eglDestroyArray(dpy->Configs, egl_g3d_free_config);
       dpy->Configs = NULL;
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.h b/src/gallium/state_trackers/egl/common/egl_g3d.h
index 9873fee6ec2..301db3128ff 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.h
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.h
@@ -56,7 +56,6 @@ struct egl_g3d_display {
 
    const struct egl_g3d_loader *loader;
    struct st_manager *smapi;
-   struct pipe_context *pipe;
 };
 
 struct egl_g3d_context {
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
index c9f94a3c498..2068256dff2 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d_api.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
@@ -640,6 +640,7 @@ egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
    _EGLContext *ctx = _eglGetCurrentContext();
    struct native_surface *nsurf;
    struct pipe_resource *ptex;
+   struct pipe_context *pipe;
 
    if (!gsurf->render_texture)
       return EGL_TRUE;
@@ -655,22 +656,18 @@ egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
             PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
    }
 
-   /* create a pipe context to copy surfaces */
-   if (!gdpy->pipe) {
-      gdpy->pipe =
-         gdpy->native->screen->context_create(gdpy->native->screen, NULL);
-      if (!gdpy->pipe)
-         return EGL_FALSE;
-   }
+   pipe = ndpy_get_copy_context(gdpy->native);
+   if (!pipe)
+      return EGL_FALSE;
 
    ptex = get_pipe_resource(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT);
    if (ptex) {
       struct pipe_box src_box;
 
       u_box_origin_2d(ptex->width0, ptex->height0, &src_box);
-      gdpy->pipe->resource_copy_region(gdpy->pipe, ptex, 0, 0, 0, 0,
+      pipe->resource_copy_region(pipe, ptex, 0, 0, 0, 0,
             gsurf->render_texture, 0, &src_box);
-      gdpy->pipe->flush(gdpy->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+      pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
       nsurf->present(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT, FALSE, 0);
 
       pipe_resource_reference(&ptex, NULL);
diff --git a/src/gallium/state_trackers/egl/common/native.h b/src/gallium/state_trackers/egl/common/native.h
index 42889075a39..9246f8c32a4 100644
--- a/src/gallium/state_trackers/egl/common/native.h
+++ b/src/gallium/state_trackers/egl/common/native.h
@@ -142,6 +142,11 @@ struct native_display {
    struct pipe_screen *screen;
 
    /**
+    * Context used for copy operations.
+    */
+   struct pipe_context *pipe;
+
+   /**
     * Available for caller's use.
     */
    void *user_data;
@@ -223,6 +228,29 @@ native_attachment_mask_test(uint mask, enum native_attachment att)
    return !!(mask & (1 << att));
 }
 
+/**
+ * Get the display copy context
+ */
+static INLINE struct pipe_context *
+ndpy_get_copy_context(struct native_display *ndpy)
+{
+   if (!ndpy->pipe)
+      ndpy->pipe = ndpy->screen->context_create(ndpy->screen, NULL);
+   return ndpy->pipe;
+}
+
+/**
+ * Free display screen and context resources
+ */
+static INLINE void
+ndpy_uninit(struct native_display *ndpy)
+{
+   if (ndpy->pipe)
+      ndpy->pipe->destroy(ndpy->pipe);
+   if (ndpy->screen)
+      ndpy->screen->destroy(ndpy->screen);
+}
+
 struct native_platform {
    const char *name;
 
diff --git a/src/gallium/state_trackers/egl/drm/native_drm.c b/src/gallium/state_trackers/egl/drm/native_drm.c
index 6932f30a6a4..cdbb304c5ee 100644
--- a/src/gallium/state_trackers/egl/drm/native_drm.c
+++ b/src/gallium/state_trackers/egl/drm/native_drm.c
@@ -124,8 +124,7 @@ drm_display_destroy(struct native_display *ndpy)
 
    drm_display_fini_modeset(&drmdpy->base);
 
-   if (drmdpy->base.screen)
-      drmdpy->base.screen->destroy(drmdpy->base.screen);
+   ndpy_uninit(ndpy);
 
    if (drmdpy->fd >= 0)
       close(drmdpy->fd);
diff --git a/src/gallium/state_trackers/egl/fbdev/native_fbdev.c b/src/gallium/state_trackers/egl/fbdev/native_fbdev.c
index a1e91ba701c..4a96039ac39 100644
--- a/src/gallium/state_trackers/egl/fbdev/native_fbdev.c
+++ b/src/gallium/state_trackers/egl/fbdev/native_fbdev.c
@@ -320,7 +320,7 @@ fbdev_display_destroy(struct native_display *ndpy)
 {
    struct fbdev_display *fbdpy = fbdev_display(ndpy);
 
-   fbdpy->base.screen->destroy(fbdpy->base.screen);
+   ndpy_uninit(&fbdpy->base);
    close(fbdpy->fd);
    FREE(fbdpy);
 }
diff --git a/src/gallium/state_trackers/egl/gdi/native_gdi.c b/src/gallium/state_trackers/egl/gdi/native_gdi.c
index 3cc4aefa937..3c2475f84d8 100644
--- a/src/gallium/state_trackers/egl/gdi/native_gdi.c
+++ b/src/gallium/state_trackers/egl/gdi/native_gdi.c
@@ -363,7 +363,7 @@ gdi_display_destroy(struct native_display *ndpy)
    if (gdpy->configs)
       FREE(gdpy->configs);
 
-   gdpy->base.screen->destroy(gdpy->base.screen);
+   ndpy_uninit(ndpy);
 
    FREE(gdpy);
 }
diff --git a/src/gallium/state_trackers/egl/wayland/native_wayland.c b/src/gallium/state_trackers/egl/wayland/native_wayland.c
index d4d5f9c2ebb..b10fc54adb8 100644
--- a/src/gallium/state_trackers/egl/wayland/native_wayland.c
+++ b/src/gallium/state_trackers/egl/wayland/native_wayland.c
@@ -137,8 +137,7 @@ wayland_display_destroy(struct native_display *ndpy)
    if (display->config)
       FREE(display->config);
 
-   if (display->base.screen)
-      display->base.screen->destroy(display->base.screen);
+   ndpy_uninit(ndpy);
 
    FREE(display);
 }
diff --git a/src/gallium/state_trackers/egl/x11/native_ximage.c b/src/gallium/state_trackers/egl/x11/native_ximage.c
index d4f4dd04df4..8e32c6ff0c4 100644
--- a/src/gallium/state_trackers/egl/x11/native_ximage.c
+++ b/src/gallium/state_trackers/egl/x11/native_ximage.c
@@ -476,7 +476,7 @@ ximage_display_destroy(struct native_display *ndpy)
    if (xdpy->configs)
       FREE(xdpy->configs);
 
-   xdpy->base.screen->destroy(xdpy->base.screen);
+   ndpy_uninit(ndpy);
 
    x11_screen_destroy(xdpy->xscr);
    if (xdpy->own_dpy)