[Mesa-dev] EGL/android: pbuffer implementation.

Liu Zhiquan zhiquan.liu at intel.com
Thu Nov 10 11:48:15 UTC 2016


mesa android path didn't support pbuffer, so add pbuffer support to
fix most deqp and cts pbuffer test cases fail;
add support of front buffer and single buffer config.

Test status: android CTS EGL pbuffer test can run without native crash.
test:[DEQP,EGL]all deqp pbuffer case passed.

Signed-off-by: Liu Zhiquan <zhiquan.liu at intel.com>
---
 src/egl/drivers/dri2/egl_dri2.h         |   3 +-
 src/egl/drivers/dri2/platform_android.c | 169 +++++++++++++++++++++++---------
 2 files changed, 124 insertions(+), 48 deletions(-)

diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index 3add32e..f3d09dc 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -290,7 +290,8 @@ struct dri2_egl_surface
 #ifdef HAVE_ANDROID_PLATFORM
    struct ANativeWindow *window;
    struct ANativeWindowBuffer *buffer;
-   __DRIimage *dri_image;
+   __DRIimage *dri_image_back;
+   __DRIimage *dri_image_front;
 
    /* EGL-owned buffers */
    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
index ec52a02..79fe81a 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -204,9 +204,9 @@ droid_window_enqueue_buffer(_EGLDisplay *disp, struct dri2_egl_surface *dri2_sur
 
    mtx_lock(&disp->Mutex);
 
-   if (dri2_surf->dri_image) {
-      dri2_dpy->image->destroyImage(dri2_surf->dri_image);
-      dri2_surf->dri_image = NULL;
+   if (dri2_surf->dri_image_back) {
+      dri2_dpy->image->destroyImage(dri2_surf->dri_image_back);
+      dri2_surf->dri_image_back = NULL;
    }
 
    return EGL_TRUE;
@@ -295,7 +295,7 @@ droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
       window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
    }
 
-   config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
+   config = dri2_get_dri_config(dri2_conf, type,
                                 dri2_surf->base.GLColorspace);
    if (!config)
       goto cleanup_surface;
@@ -353,6 +353,18 @@ droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
       dri2_surf->window->common.decRef(&dri2_surf->window->common);
    }
 
+   if (dri2_surf->dri_image_back) {
+       _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_back", __func__, __LINE__);
+      dri2_dpy->image->destroyImage(dri2_surf->dri_image_back);
+      dri2_surf->dri_image_back = NULL;
+   }
+
+   if (dri2_surf->dri_image_front) {
+       _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_front", __func__, __LINE__);
+      dri2_dpy->image->destroyImage(dri2_surf->dri_image_front);
+      dri2_surf->dri_image_front = NULL;
+   }
+
    (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
 
    free(dri2_surf);
@@ -384,49 +396,114 @@ update_buffers(struct dri2_egl_surface *dri2_surf)
 }
 
 static int
-get_back_bo(struct dri2_egl_surface *dri2_surf)
+droid_get_front_bo(struct dri2_egl_surface *dri2_surf, unsigned int format)
 {
    struct dri2_egl_display *dri2_dpy =
       dri2_egl_display(dri2_surf->base.Resource.Display);
-   int fourcc, pitch;
-   int offset = 0, fd;
 
-   if (dri2_surf->dri_image)
-	   return 0;
+   if (dri2_surf->dri_image_front) {
+      _eglLog(_EGL_WARNING, "%s:%d dri2_image_front allocated !\n", __func__, __LINE__);
+      return 0;
+   }
 
-   if (!dri2_surf->buffer)
+   if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
+       /* According current EGL spec,
+        * front buffer rendering for window surface is not supported now */
+       _eglLog(_EGL_WARNING, "%s:%d front buffer rendering for window surface is not supported!\n",
+               __func__, __LINE__);
+       return -1;
+
+   } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) {
+       dri2_surf->dri_image_front =
+          dri2_dpy->image->createImage(dri2_dpy->dri_screen,
+                                              dri2_surf->base.Width,
+                                              dri2_surf->base.Height,
+                                              format,
+                                              0,
+                                              dri2_surf);
+
+
+   } else {
+      _eglLog(_EGL_WARNING, "%s:%d pixmap is not supported now !\n", __func__, __LINE__);
       return -1;
+   }
 
-   fd = get_native_buffer_fd(dri2_surf->buffer);
-   if (fd < 0) {
-      _eglLog(_EGL_WARNING, "Could not get native buffer FD");
+   if (!dri2_surf->dri_image_front) {
+      _eglLog(_EGL_WARNING, "%s:%d dri2_image_front allocation failed !\n", __func__, __LINE__);
       return -1;
    }
 
-   fourcc = get_fourcc(dri2_surf->buffer->format);
+   return 0;
+}
 
-   pitch = dri2_surf->buffer->stride *
-      get_format_bpp(dri2_surf->buffer->format);
+static int
+droid_get_back_bo(struct dri2_egl_surface *dri2_surf, unsigned int format)
+{
+   struct dri2_egl_display *dri2_dpy =
+      dri2_egl_display(dri2_surf->base.Resource.Display);
+   int fourcc, pitch;
+   int offset = 0, fd;
 
-   if (fourcc == -1 || pitch == 0) {
-      _eglLog(_EGL_WARNING, "Invalid buffer fourcc(%x) or pitch(%d)",
-              fourcc, pitch);
-      return -1;
+   if (dri2_surf->dri_image_back) {
+      _eglLog(_EGL_WARNING, "%s:%d dri_image_back allocated !\n", __func__, __LINE__);
+      return 0;
    }
 
-   dri2_surf->dri_image =
-      dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
-                                          dri2_surf->base.Width,
-                                          dri2_surf->base.Height,
-                                          fourcc,
-                                          &fd,
-                                          1,
-                                          &pitch,
-                                          &offset,
-                                          dri2_surf);
-   if (!dri2_surf->dri_image)
+   if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
+
+      if (!dri2_surf->buffer) {
+         _eglLog(_EGL_WARNING, "Could not get native buffer");
+         return -1;
+      }
+
+      fd = get_native_buffer_fd(dri2_surf->buffer);
+      if (fd < 0) {
+         _eglLog(_EGL_WARNING, "Could not get native buffer FD");
+         return -1;
+      }
+
+      fourcc = get_fourcc(dri2_surf->buffer->format);
+
+      pitch = dri2_surf->buffer->stride *
+         get_format_bpp(dri2_surf->buffer->format);
+
+      if (fourcc == -1 || pitch == 0) {
+         _eglLog(_EGL_WARNING, "Invalid buffer fourcc(%x) or pitch(%d)",
+                 fourcc, pitch);
+         return -1;
+      }
+
+      dri2_surf->dri_image_back =
+         dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
+                                             dri2_surf->base.Width,
+                                             dri2_surf->base.Height,
+                                             fourcc,
+                                             &fd,
+                                             1,
+                                             &pitch,
+                                             &offset,
+                                             dri2_surf);
+   } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) {
+      /* Current implementation pass FRONT mask for pbuffer, as it is single buffer config.
+       * But according to EGL spec,  pbuffer is back buffer, add below code for logic
+       * completeness.
+       */
+      dri2_surf->dri_image_back =
+         dri2_dpy->image->createImage(dri2_dpy->dri_screen,
+                                             dri2_surf->base.Width,
+                                             dri2_surf->base.Height,
+                                             format,
+                                             0,
+                                             dri2_surf);
+   } else {
+      _eglLog(_EGL_WARNING, "%s:%d pixmap is not supported now !\n", __func__, __LINE__);
       return -1;
+   }
 
+   if (!dri2_surf->dri_image_back) {
+      _eglLog(_EGL_WARNING, "%s:%d dri2_image allocation failed !\n", __func__, __LINE__);
+      return -1;
+   }
    return 0;
 }
 
@@ -441,23 +518,29 @@ droid_image_get_buffers(__DRIdrawable *driDrawable,
    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 
    images->image_mask = 0;
+   images->front = NULL;
+   images->back = NULL;
 
-   if (update_buffers(dri2_surf) < 0)
+     if (update_buffers(dri2_surf) < 0)
       return 0;
 
    if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) {
-      /*
-       * We don't support front buffers and GLES doesn't require them for
-       * window surfaces, but some DRI drivers will request them anyway.
-       * We just ignore such request as other platforms backends do.
-       */
+      if (droid_get_front_bo(dri2_surf, format) < 0) {
+         _eglError(EGL_BAD_PARAMETER, "droid_get_front_bo");
+         return 0;
+      }
+
+      images->front = dri2_surf->dri_image_front;
+      images->image_mask |= __DRI_IMAGE_BUFFER_FRONT;
    }
 
    if (buffer_mask & __DRI_IMAGE_BUFFER_BACK) {
-      if (get_back_bo(dri2_surf) < 0)
+      if (droid_get_back_bo(dri2_surf, format) < 0) {
+         _eglError(EGL_BAD_PARAMETER, "droid_get_back_bo");
          return 0;
+      }
 
-      images->back = dri2_surf->dri_image;
+      images->back = dri2_surf->dri_image_back;
       images->image_mask |= __DRI_IMAGE_BUFFER_BACK;
    }
 
@@ -775,14 +858,6 @@ droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
    for (i = 0; dri2_dpy->driver_configs[i]; i++) {
       const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
       struct dri2_egl_config *dri2_conf;
-      unsigned int double_buffered = 0;
-
-      dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
-         __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
-
-      /* support only double buffered configs */
-      if (!double_buffered)
-         continue;
 
       for (j = 0; j < ARRAY_SIZE(visuals); j++) {
          config_attrs[1] = visuals[j].format;
-- 
1.9.1



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