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Merge remote-tracking branch 'mesa/17.0' into marshmallow-x86
[android-x86/external-mesa.git] / src / gallium / state_trackers / dri / dri2.c
index 712203b..485a03d 100644 (file)
 
 #include <xf86drm.h>
 #include <dlfcn.h>
+#include <fcntl.h>
+#include "GL/mesa_glinterop.h"
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "util/u_debug.h"
 #include "state_tracker/drm_driver.h"
+#include "state_tracker/st_cb_bufferobjects.h"
+#include "state_tracker/st_cb_fbo.h"
+#include "state_tracker/st_cb_texture.h"
 #include "state_tracker/st_texture.h"
 #include "state_tracker/st_context.h"
 #include "pipe-loader/pipe_loader.h"
+#include "main/bufferobj.h"
 #include "main/texobj.h"
 
 #include "dri_screen.h"
@@ -70,6 +76,29 @@ static int convert_fourcc(int format, int *dri_components_p)
       format = __DRI_IMAGE_FORMAT_XBGR8888;
       dri_components = __DRI_IMAGE_COMPONENTS_RGB;
       break;
+   case __DRI_IMAGE_FOURCC_R8:
+      format = __DRI_IMAGE_FORMAT_R8;
+      dri_components = __DRI_IMAGE_COMPONENTS_R;
+      break;
+   case __DRI_IMAGE_FOURCC_GR88:
+      format = __DRI_IMAGE_FORMAT_GR88;
+      dri_components = __DRI_IMAGE_COMPONENTS_RG;
+      break;
+   /*
+    * For multi-planar YUV formats, we return the format of the first
+    * plane only.  Since there is only one caller which supports multi-
+    * planar YUV it gets to figure out the remaining planes on it's
+    * own.
+    */
+   case __DRI_IMAGE_FOURCC_YUV420:
+   case __DRI_IMAGE_FOURCC_YVU420:
+      format = __DRI_IMAGE_FORMAT_R8;
+      dri_components = __DRI_IMAGE_COMPONENTS_Y_U_V;
+      break;
+   case __DRI_IMAGE_FOURCC_NV12:
+      format = __DRI_IMAGE_FORMAT_R8;
+      dri_components = __DRI_IMAGE_COMPONENTS_Y_UV;
+      break;
    default:
       return -1;
    }
@@ -77,7 +106,12 @@ static int convert_fourcc(int format, int *dri_components_p)
    return format;
 }
 
-static int convert_to_fourcc(int format)
+/* NOTE this probably isn't going to do the right thing for YUV images
+ * (but I think the same can be said for intel_query_image()).  I think
+ * only needed for exporting dmabuf's, so I think I won't loose much
+ * sleep over it.
+ */
+int convert_to_fourcc(int format)
 {
    switch(format) {
    case __DRI_IMAGE_FORMAT_RGB565:
@@ -95,12 +129,49 @@ static int convert_to_fourcc(int format)
    case __DRI_IMAGE_FORMAT_XBGR8888:
       format = __DRI_IMAGE_FOURCC_XBGR8888;
       break;
+   case __DRI_IMAGE_FORMAT_R8:
+      format = __DRI_IMAGE_FOURCC_R8;
+      break;
+   case __DRI_IMAGE_FORMAT_GR88:
+      format = __DRI_IMAGE_FOURCC_GR88;
+      break;
    default:
       return -1;
    }
    return format;
 }
 
+static enum pipe_format dri2_format_to_pipe_format (int format)
+{
+   enum pipe_format pf;
+
+   switch (format) {
+   case __DRI_IMAGE_FORMAT_RGB565:
+      pf = PIPE_FORMAT_B5G6R5_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_XRGB8888:
+      pf = PIPE_FORMAT_BGRX8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ARGB8888:
+      pf = PIPE_FORMAT_BGRA8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ABGR8888:
+      pf = PIPE_FORMAT_RGBA8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_R8:
+      pf = PIPE_FORMAT_R8_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_GR88:
+      pf = PIPE_FORMAT_RG88_UNORM;
+      break;
+   default:
+      pf = PIPE_FORMAT_NONE;
+      break;
+   }
+
+   return pf;
+}
+
 /**
  * DRI2 flush extension.
  */
@@ -117,6 +188,7 @@ dri2_invalidate_drawable(__DRIdrawable *dPriv)
 
    dri2InvalidateDrawable(dPriv);
    drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
+   drawable->texture_mask = 0;
 
    p_atomic_inc(&drawable->base.stamp);
 }
@@ -188,10 +260,10 @@ dri2_drawable_get_buffers(struct dri_drawable *drawable,
        * may occur as the stvis->color_format.
        */
       switch(format) {
-      case PIPE_FORMAT_B8G8R8A8_UNORM:
+      case PIPE_FORMAT_BGRA8888_UNORM:
         depth = 32;
         break;
-      case PIPE_FORMAT_B8G8R8X8_UNORM:
+      case PIPE_FORMAT_BGRX8888_UNORM:
         depth = 24;
         break;
       case PIPE_FORMAT_B5G6R5_UNORM:
@@ -261,13 +333,13 @@ dri_image_drawable_get_buffers(struct dri_drawable *drawable,
       case PIPE_FORMAT_B5G6R5_UNORM:
          image_format = __DRI_IMAGE_FORMAT_RGB565;
          break;
-      case PIPE_FORMAT_B8G8R8X8_UNORM:
+      case PIPE_FORMAT_BGRX8888_UNORM:
          image_format = __DRI_IMAGE_FORMAT_XRGB8888;
          break;
-      case PIPE_FORMAT_B8G8R8A8_UNORM:
+      case PIPE_FORMAT_BGRA8888_UNORM:
          image_format = __DRI_IMAGE_FORMAT_ARGB8888;
          break;
-      case PIPE_FORMAT_R8G8B8A8_UNORM:
+      case PIPE_FORMAT_RGBA8888_UNORM:
          image_format = __DRI_IMAGE_FORMAT_ABGR8888;
          break;
       default:
@@ -314,10 +386,10 @@ dri2_allocate_buffer(__DRIscreen *sPriv,
 
    switch (format) {
       case 32:
-         pf = PIPE_FORMAT_B8G8R8A8_UNORM;
+         pf = PIPE_FORMAT_BGRA8888_UNORM;
          break;
       case 24:
-         pf = PIPE_FORMAT_B8G8R8X8_UNORM;
+         pf = PIPE_FORMAT_BGRX8888_UNORM;
          break;
       case 16:
          pf = PIPE_FORMAT_Z16_UNORM;
@@ -353,8 +425,9 @@ dri2_allocate_buffer(__DRIscreen *sPriv,
    else
       whandle.type = DRM_API_HANDLE_TYPE_KMS;
 
-   screen->base.screen->resource_get_handle(screen->base.screen,
-         buffer->resource, &whandle);
+   screen->base.screen->resource_get_handle(screen->base.screen, NULL,
+         buffer->resource, &whandle,
+         PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ);
 
    buffer->base.attachment = attachment;
    buffer->base.name = whandle.handle;
@@ -533,13 +606,15 @@ dri2_allocate_textures(struct dri_context *ctx,
          templ.bind = bind;
          whandle.handle = buf->name;
          whandle.stride = buf->pitch;
+         whandle.offset = 0;
          if (screen->can_share_buffer)
             whandle.type = DRM_API_HANDLE_TYPE_SHARED;
          else
             whandle.type = DRM_API_HANDLE_TYPE_KMS;
          drawable->textures[statt] =
             screen->base.screen->resource_from_handle(screen->base.screen,
-                  &templ, &whandle);
+                  &templ, &whandle,
+                  PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ);
          assert(drawable->textures[statt]);
       }
    }
@@ -690,7 +765,7 @@ dri2_update_tex_buffer(struct dri_drawable *drawable,
    /* no-op */
 }
 
-static __DRIimage *
+__DRIimage *
 dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
 {
    const __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
@@ -705,37 +780,23 @@ dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
    return img;
 }
 
-static __DRIimage *
+__DRIimage *
 dri2_create_image_from_winsys(__DRIscreen *_screen,
                               int width, int height, int format,
-                              struct winsys_handle *whandle, int pitch,
+                              int num_handles, struct winsys_handle *whandle,
                               void *loaderPrivate)
 {
    struct dri_screen *screen = dri_screen(_screen);
+   struct pipe_screen *pscreen = screen->base.screen;
    __DRIimage *img;
    struct pipe_resource templ;
    unsigned tex_usage;
    enum pipe_format pf;
+   int i;
 
    tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
 
-   switch (format) {
-   case __DRI_IMAGE_FORMAT_RGB565:
-      pf = PIPE_FORMAT_B5G6R5_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_XRGB8888:
-      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_ARGB8888:
-      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_ABGR8888:
-      pf = PIPE_FORMAT_R8G8B8A8_UNORM;
-      break;
-   default:
-      pf = PIPE_FORMAT_NONE;
-      break;
-   }
+   pf = dri2_format_to_pipe_format (format);
    if (pf == PIPE_FORMAT_NONE)
       return NULL;
 
@@ -745,26 +806,53 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
 
    memset(&templ, 0, sizeof(templ));
    templ.bind = tex_usage;
-   templ.format = pf;
    templ.target = screen->target;
    templ.last_level = 0;
-   templ.width0 = width;
-   templ.height0 = height;
    templ.depth0 = 1;
    templ.array_size = 1;
 
-   whandle->stride = pitch * util_format_get_blocksize(pf);
+   for (i = num_handles - 1; i >= 0; i--) {
+      struct pipe_resource *tex;
 
-   img->texture = screen->base.screen->resource_from_handle(screen->base.screen,
-         &templ, whandle);
-   if (!img->texture) {
-      FREE(img);
-      return NULL;
+      /* TODO: something a lot less ugly */
+      switch (i) {
+      case 0:
+         templ.width0 = width;
+         templ.height0 = height;
+         templ.format = pf;
+         break;
+      case 1:
+         templ.width0 = width / 2;
+         templ.height0 = height / 2;
+         templ.format = (num_handles == 2) ?
+               PIPE_FORMAT_RG88_UNORM :   /* NV12, etc */
+               PIPE_FORMAT_R8_UNORM;      /* I420, etc */
+         break;
+      case 2:
+         templ.width0 = width / 2;
+         templ.height0 = height / 2;
+         templ.format = PIPE_FORMAT_R8_UNORM;
+         break;
+      default:
+         unreachable("too many planes!");
+      }
+
+      tex = pscreen->resource_from_handle(pscreen,
+            &templ, &whandle[i], PIPE_HANDLE_USAGE_READ_WRITE);
+      if (!tex) {
+         pipe_resource_reference(&img->texture, NULL);
+         FREE(img);
+         return NULL;
+      }
+
+      tex->next = img->texture;
+      img->texture = tex;
    }
 
    img->level = 0;
    img->layer = 0;
    img->dri_format = format;
+   img->use = 0;
    img->loader_private = loaderPrivate;
 
    return img;
@@ -776,31 +864,91 @@ dri2_create_image_from_name(__DRIscreen *_screen,
                             int name, int pitch, void *loaderPrivate)
 {
    struct winsys_handle whandle;
+   enum pipe_format pf;
 
    memset(&whandle, 0, sizeof(whandle));
    whandle.type = DRM_API_HANDLE_TYPE_SHARED;
    whandle.handle = name;
 
+   pf = dri2_format_to_pipe_format (format);
+   if (pf == PIPE_FORMAT_NONE)
+      return NULL;
+
+   whandle.stride = pitch * util_format_get_blocksize(pf);
+
    return dri2_create_image_from_winsys(_screen, width, height, format,
-                                        &whandle, pitch, loaderPrivate);
+                                        1, &whandle, loaderPrivate);
 }
 
 static __DRIimage *
 dri2_create_image_from_fd(__DRIscreen *_screen,
-                          int width, int height, int format,
-                          int fd, int pitch, void *loaderPrivate)
+                          int width, int height, int fourcc,
+                          int *fds, int num_fds, int *strides,
+                          int *offsets, unsigned *error,
+                          int *dri_components, void *loaderPrivate)
 {
-   struct winsys_handle whandle;
+   struct winsys_handle whandles[3];
+   int format;
+   __DRIimage *img = NULL;
+   unsigned err = __DRI_IMAGE_ERROR_SUCCESS;
+   int expected_num_fds, i;
+
+   switch (fourcc) {
+   case __DRI_IMAGE_FOURCC_YUV420:
+   case __DRI_IMAGE_FOURCC_YVU420:
+      expected_num_fds = 3;
+      break;
+   case __DRI_IMAGE_FOURCC_NV12:
+      expected_num_fds = 2;
+      break;
+   default:
+      expected_num_fds = 1;
+      break;
+   }
 
-   if (fd < 0)
-      return NULL;
+   if (num_fds != expected_num_fds) {
+      err = __DRI_IMAGE_ERROR_BAD_MATCH;
+      goto exit;
+   }
 
-   memset(&whandle, 0, sizeof(whandle));
-   whandle.type = DRM_API_HANDLE_TYPE_FD;
-   whandle.handle = (unsigned)fd;
+   format = convert_fourcc(fourcc, dri_components);
+   if (format == -1) {
+      err = __DRI_IMAGE_ERROR_BAD_MATCH;
+      goto exit;
+   }
 
-   return dri2_create_image_from_winsys(_screen, width, height, format,
-                                        &whandle, pitch, loaderPrivate);
+   memset(whandles, 0, sizeof(whandles));
+
+   for (i = 0; i < num_fds; i++) {
+      if (fds[i] < 0) {
+         err = __DRI_IMAGE_ERROR_BAD_ALLOC;
+         goto exit;
+      }
+
+      whandles[i].type = DRM_API_HANDLE_TYPE_FD;
+      whandles[i].handle = (unsigned)fds[i];
+      whandles[i].stride = (unsigned)strides[i];
+      whandles[i].offset = (unsigned)offsets[i];
+   }
+
+   if (fourcc == __DRI_IMAGE_FOURCC_YVU420) {
+      /* convert to YUV420 by swapping 2nd and 3rd planes: */
+      struct winsys_handle tmp = whandles[1];
+      whandles[1] = whandles[2];
+      whandles[2] = tmp;
+      fourcc = __DRI_IMAGE_FOURCC_YUV420;
+   }
+
+   img = dri2_create_image_from_winsys(_screen, width, height, format,
+                                       num_fds, whandles, loaderPrivate);
+   if(img == NULL)
+      err = __DRI_IMAGE_ERROR_BAD_ALLOC;
+
+exit:
+   if (error)
+      *error = err;
+
+   return img;
 }
 
 static __DRIimage *
@@ -840,23 +988,7 @@ dri2_create_image(__DRIscreen *_screen,
       tex_usage |= PIPE_BIND_CURSOR;
    }
 
-   switch (format) {
-   case __DRI_IMAGE_FORMAT_RGB565:
-      pf = PIPE_FORMAT_B5G6R5_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_XRGB8888:
-      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_ARGB8888:
-      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
-      break;
-   case __DRI_IMAGE_FORMAT_ABGR8888:
-      pf = PIPE_FORMAT_R8G8B8A8_UNORM;
-      break;
-   default:
-      pf = PIPE_FORMAT_NONE;
-      break;
-   }
+   pf = dri2_format_to_pipe_format (format);
    if (pf == PIPE_FORMAT_NONE)
       return NULL;
 
@@ -884,6 +1016,7 @@ dri2_create_image(__DRIscreen *_screen,
    img->layer = 0;
    img->dri_format = format;
    img->dri_components = 0;
+   img->use = use;
 
    img->loader_private = loaderPrivate;
    return img;
@@ -893,31 +1026,40 @@ static GLboolean
 dri2_query_image(__DRIimage *image, int attrib, int *value)
 {
    struct winsys_handle whandle;
+   unsigned usage;
+
+   if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
+      usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ;
+   else
+      usage = PIPE_HANDLE_USAGE_READ_WRITE;
+
    memset(&whandle, 0, sizeof(whandle));
 
    switch (attrib) {
    case __DRI_IMAGE_ATTRIB_STRIDE:
       whandle.type = DRM_API_HANDLE_TYPE_KMS;
       image->texture->screen->resource_get_handle(image->texture->screen,
-            image->texture, &whandle);
+            NULL, image->texture, &whandle, usage);
       *value = whandle.stride;
       return GL_TRUE;
    case __DRI_IMAGE_ATTRIB_HANDLE:
       whandle.type = DRM_API_HANDLE_TYPE_KMS;
       image->texture->screen->resource_get_handle(image->texture->screen,
-         image->texture, &whandle);
+         NULL, image->texture, &whandle, usage);
       *value = whandle.handle;
       return GL_TRUE;
    case __DRI_IMAGE_ATTRIB_NAME:
       whandle.type = DRM_API_HANDLE_TYPE_SHARED;
       image->texture->screen->resource_get_handle(image->texture->screen,
-         image->texture, &whandle);
+         NULL, image->texture, &whandle, usage);
       *value = whandle.handle;
       return GL_TRUE;
    case __DRI_IMAGE_ATTRIB_FD:
       whandle.type= DRM_API_HANDLE_TYPE_FD;
-      image->texture->screen->resource_get_handle(image->texture->screen,
-         image->texture, &whandle);
+      if (!image->texture->screen->resource_get_handle(image->texture->screen,
+            NULL, image->texture, &whandle, usage))
+         return GL_FALSE;
+
       *value = whandle.handle;
       return GL_TRUE;
    case __DRI_IMAGE_ATTRIB_FORMAT:
@@ -986,22 +1128,24 @@ dri2_from_names(__DRIscreen *screen, int width, int height, int format,
                 void *loaderPrivate)
 {
    __DRIimage *img;
-   int stride, dri_components;
+   int dri_components;
+   struct winsys_handle whandle;
 
    if (num_names != 1)
       return NULL;
-   if (offsets[0] != 0)
-      return NULL;
 
    format = convert_fourcc(format, &dri_components);
    if (format == -1)
       return NULL;
 
-   /* Strides are in bytes not pixels. */
-   stride = strides[0] /4;
+   memset(&whandle, 0, sizeof(whandle));
+   whandle.type = DRM_API_HANDLE_TYPE_SHARED;
+   whandle.handle = names[0];
+   whandle.stride = strides[0];
+   whandle.offset = offsets[0];
 
-   img = dri2_create_image_from_name(screen, width, height, format,
-                                     names[0], stride, loaderPrivate);
+   img = dri2_create_image_from_winsys(screen, width, height, format,
+                                       1, &whandle, loaderPrivate);
    if (img == NULL)
       return NULL;
 
@@ -1029,7 +1173,7 @@ dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
    return img;
 }
 
-static __DRIimage *
+__DRIimage *
 dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
                          int depth, int level, unsigned *error,
                          void *loaderPrivate)
@@ -1101,22 +1245,11 @@ dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
               void *loaderPrivate)
 {
    __DRIimage *img;
-   int format, stride, dri_components;
-
-   if (num_fds != 1)
-      return NULL;
-   if (offsets[0] != 0)
-      return NULL;
-
-   format = convert_fourcc(fourcc, &dri_components);
-   if (format == -1)
-      return NULL;
-
-   /* Strides are in bytes not pixels. */
-   stride = strides[0] /4;
+   int dri_components;
 
-   img = dri2_create_image_from_fd(screen, width, height, format,
-                                   fds[0], stride, loaderPrivate);
+   img = dri2_create_image_from_fd(screen, width, height, fourcc,
+                                   fds, num_fds, strides, offsets, NULL,
+                                   &dri_components, loaderPrivate);
    if (img == NULL)
       return NULL;
 
@@ -1137,28 +1270,13 @@ dri2_from_dma_bufs(__DRIscreen *screen,
                    void *loaderPrivate)
 {
    __DRIimage *img;
-   int format, stride, dri_components;
-
-   if (num_fds != 1 || offsets[0] != 0) {
-      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
-      return NULL;
-   }
-
-   format = convert_fourcc(fourcc, &dri_components);
-   if (format == -1) {
-      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
-      return NULL;
-   }
-
-   /* Strides are in bytes not pixels. */
-   stride = strides[0] /4;
+   int dri_components;
 
-   img = dri2_create_image_from_fd(screen, width, height, format,
-                                   fds[0], stride, loaderPrivate);
-   if (img == NULL) {
-      *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
+   img = dri2_create_image_from_fd(screen, width, height, fourcc,
+                                   fds, num_fds, strides, offsets, error,
+                                   &dri_components, loaderPrivate);
+   if (img == NULL)
       return NULL;
-   }
 
    img->yuv_color_space = yuv_color_space;
    img->sample_range = sample_range;
@@ -1212,12 +1330,51 @@ dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
       screen = dri_screen(ctx->sPriv)->base.screen;
       pipe->flush_resource(pipe, dst->texture);
       ctx->st->flush(ctx->st, 0, &fence);
-      (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
+      (void) screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
       screen->fence_reference(screen, &fence, NULL);
    }
 }
 
+static void *
+dri2_map_image(__DRIcontext *context, __DRIimage *image,
+                int x0, int y0, int width, int height,
+                unsigned int flags, int *stride, void **data)
+{
+   struct dri_context *ctx = dri_context(context);
+   struct pipe_context *pipe = ctx->st->pipe;
+   enum pipe_transfer_usage pipe_access = 0;
+   struct pipe_transfer *trans;
+   void *map;
+
+   if (!image || !data || *data)
+      return NULL;
+
+   if (flags & __DRI_IMAGE_TRANSFER_READ)
+         pipe_access |= PIPE_TRANSFER_READ;
+   if (flags & __DRI_IMAGE_TRANSFER_WRITE)
+         pipe_access |= PIPE_TRANSFER_WRITE;
+
+   map = pipe_transfer_map(pipe, image->texture,
+                           0, 0, pipe_access, x0, y0, width, height,
+                           &trans);
+   if (map) {
+      *data = trans;
+      *stride = trans->stride;
+   }
+
+   return map;
+}
+
 static void
+dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
+{
+   struct dri_context *ctx = dri_context(context);
+   struct pipe_context *pipe = ctx->st->pipe;
+
+   pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
+}
+
+void
 dri2_destroy_image(__DRIimage *img)
 {
    pipe_resource_reference(&img->texture, NULL);
@@ -1234,7 +1391,7 @@ dri2_get_capabilities(__DRIscreen *_screen)
 
 /* The extension is modified during runtime if DRI_PRIME is detected */
 static __DRIimageExtension dri2ImageExtension = {
-    .base = { __DRI_IMAGE, 11 },
+    .base = { __DRI_IMAGE, 12 },
 
     .createImageFromName          = dri2_create_image_from_name,
     .createImageFromRenderbuffer  = dri2_create_image_from_renderbuffer,
@@ -1250,6 +1407,8 @@ static __DRIimageExtension dri2ImageExtension = {
     .createImageFromDmaBufs       = NULL,
     .blitImage                    = dri2_blit_image,
     .getCapabilities              = dri2_get_capabilities,
+    .mapImage                     = dri2_map_image,
+    .unmapImage                   = dri2_unmap_image,
 };
 
 
@@ -1298,6 +1457,18 @@ struct dri2_fence {
    void *cl_event;
 };
 
+static unsigned dri2_fence_get_caps(__DRIscreen *_screen)
+{
+   struct dri_screen *driscreen = dri_screen(_screen);
+   struct pipe_screen *screen = driscreen->base.screen;
+   unsigned caps = 0;
+
+   if (screen->get_param(screen, PIPE_CAP_NATIVE_FENCE_FD))
+      caps |= __DRI_FENCE_CAP_NATIVE_FD;
+
+   return caps;
+}
+
 static void *
 dri2_create_fence(__DRIcontext *_ctx)
 {
@@ -1319,6 +1490,39 @@ dri2_create_fence(__DRIcontext *_ctx)
 }
 
 static void *
+dri2_create_fence_fd(__DRIcontext *_ctx, int fd)
+{
+   struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
+   struct dri2_fence *fence = CALLOC_STRUCT(dri2_fence);
+
+   if (fd == -1) {
+      /* exporting driver created fence, flush: */
+      ctx->flush(ctx, &fence->pipe_fence,
+                 PIPE_FLUSH_DEFERRED | PIPE_FLUSH_FENCE_FD);
+   } else {
+      /* importing a foreign fence fd: */
+      ctx->create_fence_fd(ctx, &fence->pipe_fence, fd);
+   }
+   if (!fence->pipe_fence) {
+      FREE(fence);
+      return NULL;
+   }
+
+   fence->driscreen = dri_screen(_ctx->driScreenPriv);
+   return fence;
+}
+
+static int
+dri2_get_fence_fd(__DRIscreen *_screen, void *_fence)
+{
+   struct dri_screen *driscreen = dri_screen(_screen);
+   struct pipe_screen *screen = driscreen->base.screen;
+   struct dri2_fence *fence = (struct dri2_fence*)_fence;
+
+   return screen->fence_get_fd(screen, fence->pipe_fence);
+}
+
+static void *
 dri2_get_fence_from_cl_event(__DRIscreen *_screen, intptr_t cl_event)
 {
    struct dri_screen *driscreen = dri_screen(_screen);
@@ -1370,13 +1574,13 @@ dri2_client_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags,
    /* No need to flush. The context was flushed when the fence was created. */
 
    if (fence->pipe_fence)
-      return screen->fence_finish(screen, fence->pipe_fence, timeout);
+      return screen->fence_finish(screen, NULL, fence->pipe_fence, timeout);
    else if (fence->cl_event) {
       struct pipe_fence_handle *pipe_fence =
          driscreen->opencl_dri_event_get_fence(fence->cl_event);
 
       if (pipe_fence)
-         return screen->fence_finish(screen, pipe_fence, timeout);
+         return screen->fence_finish(screen, NULL, pipe_fence, timeout);
       else
          return driscreen->opencl_dri_event_wait(fence->cl_event, timeout);
    }
@@ -1389,23 +1593,289 @@ dri2_client_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags,
 static void
 dri2_server_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags)
 {
-   /* AFAIK, no driver currently supports parallel context execution. */
+   struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
+   struct dri2_fence *fence = (struct dri2_fence*)_fence;
+
+   if (ctx->fence_server_sync)
+      ctx->fence_server_sync(ctx, fence->pipe_fence);
 }
 
-static __DRI2fenceExtension dri2FenceExtension = {
-   .base = { __DRI2_FENCE, 1 },
+__DRI2fenceExtension dri2FenceExtension = {
+   .base = { __DRI2_FENCE, 2 },
 
    .create_fence = dri2_create_fence,
    .get_fence_from_cl_event = dri2_get_fence_from_cl_event,
    .destroy_fence = dri2_destroy_fence,
    .client_wait_sync = dri2_client_wait_sync,
-   .server_wait_sync = dri2_server_wait_sync
+   .server_wait_sync = dri2_server_wait_sync,
+   .get_capabilities = dri2_fence_get_caps,
+   .create_fence_fd = dri2_create_fence_fd,
+   .get_fence_fd = dri2_get_fence_fd,
 };
 
 static const __DRIrobustnessExtension dri2Robustness = {
    .base = { __DRI2_ROBUSTNESS, 1 }
 };
 
+static int
+dri2_interop_query_device_info(__DRIcontext *_ctx,
+                               struct mesa_glinterop_device_info *out)
+{
+   struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen;
+
+   /* There is no version 0, thus we do not support it */
+   if (out->version == 0)
+      return MESA_GLINTEROP_INVALID_VERSION;
+
+   out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP);
+   out->pci_bus = screen->get_param(screen, PIPE_CAP_PCI_BUS);
+   out->pci_device = screen->get_param(screen, PIPE_CAP_PCI_DEVICE);
+   out->pci_function = screen->get_param(screen, PIPE_CAP_PCI_FUNCTION);
+
+   out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID);
+   out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID);
+
+   /* Instruct the caller that we support up-to version one of the interface */
+   out->version = 1;
+
+   return MESA_GLINTEROP_SUCCESS;
+}
+
+static int
+dri2_interop_export_object(__DRIcontext *_ctx,
+                           struct mesa_glinterop_export_in *in,
+                           struct mesa_glinterop_export_out *out)
+{
+   struct st_context_iface *st = dri_context(_ctx)->st;
+   struct pipe_screen *screen = st->pipe->screen;
+   struct gl_context *ctx = ((struct st_context *)st)->ctx;
+   struct pipe_resource *res = NULL;
+   struct winsys_handle whandle;
+   unsigned target, usage;
+   boolean success;
+
+   /* There is no version 0, thus we do not support it */
+   if (in->version == 0 || out->version == 0)
+      return MESA_GLINTEROP_INVALID_VERSION;
+
+   /* Validate the target. */
+   switch (in->target) {
+   case GL_TEXTURE_BUFFER:
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_RECTANGLE:
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_TEXTURE_EXTERNAL_OES:
+   case GL_RENDERBUFFER:
+   case GL_ARRAY_BUFFER:
+      target = in->target;
+      break;
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+      target = GL_TEXTURE_CUBE_MAP;
+      break;
+   default:
+      return MESA_GLINTEROP_INVALID_TARGET;
+   }
+
+   /* Validate the simple case of miplevel. */
+   if ((target == GL_RENDERBUFFER || target == GL_ARRAY_BUFFER) &&
+       in->miplevel != 0)
+      return MESA_GLINTEROP_INVALID_MIP_LEVEL;
+
+   /* Validate the OpenGL object and get pipe_resource. */
+   mtx_lock(&ctx->Shared->Mutex);
+
+   if (target == GL_ARRAY_BUFFER) {
+      /* Buffer objects.
+       *
+       * The error checking is based on the documentation of
+       * clCreateFromGLBuffer from OpenCL 2.0 SDK.
+       */
+      struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, in->obj);
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLBuffer:
+       *  "CL_INVALID_GL_OBJECT if bufobj is not a GL buffer object or is
+       *   a GL buffer object but does not have an existing data store or
+       *   the size of the buffer is 0."
+       */
+      if (!buf || buf->Size == 0) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OBJECT;
+      }
+
+      res = st_buffer_object(buf)->buffer;
+      if (!res) {
+         /* this shouldn't happen */
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OBJECT;
+      }
+
+      out->buf_offset = 0;
+      out->buf_size = buf->Size;
+
+      buf->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
+   } else if (target == GL_RENDERBUFFER) {
+      /* Renderbuffers.
+       *
+       * The error checking is based on the documentation of
+       * clCreateFromGLRenderbuffer from OpenCL 2.0 SDK.
+       */
+      struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, in->obj);
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
+       *   "CL_INVALID_GL_OBJECT if renderbuffer is not a GL renderbuffer
+       *    object or if the width or height of renderbuffer is zero."
+       */
+      if (!rb || rb->Width == 0 || rb->Height == 0) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OBJECT;
+      }
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
+       *   "CL_INVALID_OPERATION if renderbuffer is a multi-sample GL
+       *    renderbuffer object."
+       */
+      if (rb->NumSamples > 1) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OPERATION;
+      }
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
+       *   "CL_OUT_OF_RESOURCES if there is a failure to allocate resources
+       *    required by the OpenCL implementation on the device."
+       */
+      res = st_renderbuffer(rb)->texture;
+      if (!res) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_OUT_OF_RESOURCES;
+      }
+
+      out->internal_format = rb->InternalFormat;
+      out->view_minlevel = 0;
+      out->view_numlevels = 1;
+      out->view_minlayer = 0;
+      out->view_numlayers = 1;
+   } else {
+      /* Texture objects.
+       *
+       * The error checking is based on the documentation of
+       * clCreateFromGLTexture from OpenCL 2.0 SDK.
+       */
+      struct gl_texture_object *obj = _mesa_lookup_texture(ctx, in->obj);
+
+      if (obj)
+         _mesa_test_texobj_completeness(ctx, obj);
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
+       *   "CL_INVALID_GL_OBJECT if texture is not a GL texture object whose
+       *    type matches texture_target, if the specified miplevel of texture
+       *    is not defined, or if the width or height of the specified
+       *    miplevel is zero or if the GL texture object is incomplete."
+       */
+      if (!obj ||
+          obj->Target != target ||
+          !obj->_BaseComplete ||
+          (in->miplevel > 0 && !obj->_MipmapComplete)) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OBJECT;
+      }
+
+      /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
+       *   "CL_INVALID_MIP_LEVEL if miplevel is less than the value of
+       *    levelbase (for OpenGL implementations) or zero (for OpenGL ES
+       *    implementations); or greater than the value of q (for both OpenGL
+       *    and OpenGL ES). levelbase and q are defined for the texture in
+       *    section 3.8.10 (Texture Completeness) of the OpenGL 2.1
+       *    specification and section 3.7.10 of the OpenGL ES 2.0."
+       */
+      if (in->miplevel < obj->BaseLevel || in->miplevel > obj->_MaxLevel) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_MIP_LEVEL;
+      }
+
+      if (!st_finalize_texture(ctx, st->pipe, obj, 0)) {
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_OUT_OF_RESOURCES;
+      }
+
+      res = st_get_texobj_resource(obj);
+      if (!res) {
+         /* Incomplete texture buffer object? This shouldn't really occur. */
+         mtx_unlock(&ctx->Shared->Mutex);
+         return MESA_GLINTEROP_INVALID_OBJECT;
+      }
+
+      if (target == GL_TEXTURE_BUFFER) {
+         out->internal_format = obj->BufferObjectFormat;
+         out->buf_offset = obj->BufferOffset;
+         out->buf_size = obj->BufferSize == -1 ? obj->BufferObject->Size :
+                                                 obj->BufferSize;
+
+         obj->BufferObject->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
+      } else {
+         out->internal_format = obj->Image[0][0]->InternalFormat;
+         out->view_minlevel = obj->MinLevel;
+         out->view_numlevels = obj->NumLevels;
+         out->view_minlayer = obj->MinLayer;
+         out->view_numlayers = obj->NumLayers;
+      }
+   }
+
+   /* Get the handle. */
+   switch (in->access) {
+   case MESA_GLINTEROP_ACCESS_READ_WRITE:
+      usage = PIPE_HANDLE_USAGE_READ_WRITE;
+      break;
+   case MESA_GLINTEROP_ACCESS_READ_ONLY:
+      usage = PIPE_HANDLE_USAGE_READ;
+      break;
+   case MESA_GLINTEROP_ACCESS_WRITE_ONLY:
+      usage = PIPE_HANDLE_USAGE_WRITE;
+      break;
+   default:
+      usage = 0;
+   }
+
+   memset(&whandle, 0, sizeof(whandle));
+   whandle.type = DRM_API_HANDLE_TYPE_FD;
+
+   success = screen->resource_get_handle(screen, st->pipe, res, &whandle,
+                                         usage);
+   mtx_unlock(&ctx->Shared->Mutex);
+
+   if (!success)
+      return MESA_GLINTEROP_OUT_OF_HOST_MEMORY;
+
+   out->dmabuf_fd = whandle.handle;
+   out->out_driver_data_written = 0;
+
+   if (res->target == PIPE_BUFFER)
+      out->buf_offset += whandle.offset;
+
+   /* Instruct the caller that we support up-to version one of the interface */
+   in->version = 1;
+   out->version = 1;
+
+   return MESA_GLINTEROP_SUCCESS;
+}
+
+static const __DRI2interopExtension dri2InteropExtension = {
+   .base = { __DRI2_INTEROP, 1 },
+   .query_device_info = dri2_interop_query_device_info,
+   .export_object = dri2_interop_export_object
+};
+
 /*
  * Backend function init_screen.
  */
@@ -1418,6 +1888,7 @@ static const __DRIextension *dri_screen_extensions[] = {
    &dri2ConfigQueryExtension.base,
    &dri2ThrottleExtension.base,
    &dri2FenceExtension.base,
+   &dri2InteropExtension.base,
    NULL
 };
 
@@ -1429,6 +1900,7 @@ static const __DRIextension *dri_robust_screen_extensions[] = {
    &dri2ConfigQueryExtension.base,
    &dri2ThrottleExtension.base,
    &dri2FenceExtension.base,
+   &dri2InteropExtension.base,
    &dri2Robustness.base,
    NULL
 };
@@ -1444,8 +1916,9 @@ dri2_init_screen(__DRIscreen * sPriv)
    const __DRIconfig **configs;
    struct dri_screen *screen;
    struct pipe_screen *pscreen = NULL;
-   const struct drm_conf_ret *throttle_ret = NULL;
-   const struct drm_conf_ret *dmabuf_ret = NULL;
+   const struct drm_conf_ret *throttle_ret;
+   const struct drm_conf_ret *dmabuf_ret;
+   int fd;
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
@@ -1457,19 +1930,15 @@ dri2_init_screen(__DRIscreen * sPriv)
 
    sPriv->driverPrivate = (void *)screen;
 
-#if GALLIUM_STATIC_TARGETS
-   pscreen = dd_create_screen(screen->fd);
+   if (screen->fd < 0 || (fd = fcntl(screen->fd, F_DUPFD_CLOEXEC, 3)) < 0)
+      goto free_screen;
 
-   throttle_ret = dd_configuration(DRM_CONF_THROTTLE);
-   dmabuf_ret = dd_configuration(DRM_CONF_SHARE_FD);
-#else
-   if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd)) {
-      pscreen = pipe_loader_create_screen(screen->dev, PIPE_SEARCH_DIR);
+   pscreen = load_pipe_screen(&screen->dev, screen->fd);
+   if (!pscreen)
+       goto release_pipe;
 
-      throttle_ret = pipe_loader_configuration(screen->dev, DRM_CONF_THROTTLE);
-      dmabuf_ret = pipe_loader_configuration(screen->dev, DRM_CONF_SHARE_FD);
-   }
-#endif // GALLIUM_STATIC_TARGETS
+   throttle_ret = pipe_loader_configuration(screen->dev, DRM_CONF_THROTTLE);
+   dmabuf_ret = pipe_loader_configuration(screen->dev, DRM_CONF_SHARE_FD);
 
    if (throttle_ret && throttle_ret->val.val_int != -1) {
       screen->throttling_enabled = TRUE;
@@ -1486,22 +1955,16 @@ dri2_init_screen(__DRIscreen * sPriv)
       }
    }
 
-   if (pscreen && pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
+   if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
       sPriv->extensions = dri_robust_screen_extensions;
       screen->has_reset_status_query = true;
    }
    else
       sPriv->extensions = dri_screen_extensions;
 
-   /* dri_init_screen_helper checks pscreen for us */
-
-#if GALLIUM_STATIC_TARGETS
-   configs = dri_init_screen_helper(screen, pscreen, dd_driver_name());
-#else
    configs = dri_init_screen_helper(screen, pscreen, screen->dev->driver_name);
-#endif // GALLIUM_STATIC_TARGETS
    if (!configs)
-      goto fail;
+      goto destroy_screen;
 
    screen->can_share_buffer = true;
    screen->auto_fake_front = dri_with_format(sPriv);
@@ -1509,12 +1972,17 @@ dri2_init_screen(__DRIscreen * sPriv)
    screen->lookup_egl_image = dri2_lookup_egl_image;
 
    return configs;
-fail:
+
+destroy_screen:
    dri_destroy_screen_helper(screen);
-#if !GALLIUM_STATIC_TARGETS
+
+release_pipe:
    if (screen->dev)
       pipe_loader_release(&screen->dev, 1);
-#endif // !GALLIUM_STATIC_TARGETS
+   else
+      close(fd);
+
+free_screen:
    FREE(screen);
    return NULL;
 }
@@ -1527,12 +1995,12 @@ fail:
 static const __DRIconfig **
 dri_kms_init_screen(__DRIscreen * sPriv)
 {
-#if GALLIUM_STATIC_TARGETS
 #if defined(GALLIUM_SOFTPIPE)
    const __DRIconfig **configs;
    struct dri_screen *screen;
    struct pipe_screen *pscreen = NULL;
    uint64_t cap;
+   int fd;
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
@@ -1543,7 +2011,14 @@ dri_kms_init_screen(__DRIscreen * sPriv)
 
    sPriv->driverPrivate = (void *)screen;
 
-   pscreen = kms_swrast_create_screen(screen->fd);
+   if (screen->fd < 0 || (fd = fcntl(screen->fd, F_DUPFD_CLOEXEC, 3)) < 0)
+      goto free_screen;
+
+   if (pipe_loader_sw_probe_kms(&screen->dev, fd))
+      pscreen = pipe_loader_create_screen(screen->dev);
+
+   if (!pscreen)
+       goto release_pipe;
 
    if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
           (cap & DRM_PRIME_CAP_IMPORT)) {
@@ -1553,10 +2028,9 @@ dri_kms_init_screen(__DRIscreen * sPriv)
 
    sPriv->extensions = dri_screen_extensions;
 
-   /* dri_init_screen_helper checks pscreen for us */
    configs = dri_init_screen_helper(screen, pscreen, "swrast");
    if (!configs)
-      goto fail;
+      goto destroy_screen;
 
    screen->can_share_buffer = false;
    screen->auto_fake_front = dri_with_format(sPriv);
@@ -1564,11 +2038,19 @@ dri_kms_init_screen(__DRIscreen * sPriv)
    screen->lookup_egl_image = dri2_lookup_egl_image;
 
    return configs;
-fail:
+
+destroy_screen:
    dri_destroy_screen_helper(screen);
+
+release_pipe:
+   if (screen->dev)
+      pipe_loader_release(&screen->dev, 1);
+   else
+      close(fd);
+
+free_screen:
    FREE(screen);
 #endif // GALLIUM_SOFTPIPE
-#endif // GALLIUM_STATIC_TARGETS
    return NULL;
 }
 
@@ -1637,6 +2119,7 @@ const __DRIextension *galliumdrm_driver_extensions[] = {
     &driImageDriverExtension.base,
     &driDRI2Extension.base,
     &gallium_config_options.base,
+    &dri2FenceExtension.base,
     NULL
 };