[Mesa-dev] [PATCH v2] egl: add support for EGL_ANDROID_blob_cache

Tapani Pälli tapani.palli at intel.com
Fri Jan 19 07:10:45 UTC 2018


v2: cleanup, move callbacks to _egl_display struct (Emil Velikov)

Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
---
 src/egl/drivers/dri2/egl_dri2.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/egl/drivers/dri2/egl_dri2.h |  1 +
 src/egl/main/eglapi.c           | 30 ++++++++++++++++++++++++++++++
 src/egl/main/eglapi.h           |  4 ++++
 src/egl/main/egldisplay.h       |  4 ++++
 src/egl/main/eglentrypoint.h    |  1 +
 6 files changed, 79 insertions(+)

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index d5a4f72e86..c323a4989d 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -458,6 +458,7 @@ static const struct dri2_extension_match optional_core_extensions[] = {
    { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
    { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
    { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) },
+   { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) },
    { NULL, 0, 0 }
 };
 
@@ -727,6 +728,9 @@ dri2_setup_screen(_EGLDisplay *disp)
       }
    }
 
+   if (dri2_dpy->blob)
+      disp->Extensions.ANDROID_blob_cache = EGL_TRUE;
+
    disp->Extensions.KHR_reusable_sync = EGL_TRUE;
 
    if (dri2_dpy->image) {
@@ -1470,6 +1474,28 @@ dri2_surf_update_fence_fd(_EGLContext *ctx,
    dri2_surface_set_out_fence_fd(surf, fence_fd);
 }
 
+static void
+update_blob_cache_functions( _EGLDisplay *disp, _EGLContext *ctx)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+   struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
+
+   if (!ctx)
+      return;
+
+   /* No blob support. */
+   if (!dri2_dpy->blob)
+      return;
+
+   /* No functions to set. */
+   if (!disp->BlobCacheSet)
+      return;
+
+   dri2_dpy->blob->set_cache_funcs(dri2_ctx->dri_context,
+                                   disp->BlobCacheSet,
+                                   disp->BlobCacheGet);
+}
+
 /**
  * Called via eglMakeCurrent(), drv->API.MakeCurrent().
  */
@@ -1499,6 +1525,9 @@ dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
    if (old_ctx)
       dri2_gl_flush();
 
+   /* Make sure cache functions are set for new context. */
+   update_blob_cache_functions(disp, ctx);
+
    ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
    rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
    cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
@@ -3016,6 +3045,15 @@ dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
    return dup(sync->SyncFd);
 }
 
+static void
+dri2_set_blob_cache_funcs(_EGLDriver *drv, _EGLDisplay *dpy,
+                          EGLSetBlobFuncANDROID set,
+                          EGLGetBlobFuncANDROID get)
+{
+   _EGLContext *ctx = _eglGetCurrentContext();
+   update_blob_cache_functions(dpy, ctx);
+}
+
 static EGLint
 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
                       EGLint flags, EGLTime timeout)
@@ -3234,6 +3272,7 @@ _eglBuiltInDriver(void)
    dri2_drv->API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
    dri2_drv->API.GLInteropExportObject = dri2_interop_export_object;
    dri2_drv->API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
+   dri2_drv->API.SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs;
 
    dri2_drv->Name = "DRI2";
 
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index cc76c73eab..c49156fbb6 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -171,6 +171,7 @@ struct dri2_egl_display
    const __DRInoErrorExtension    *no_error;
    const __DRI2configQueryExtension *config;
    const __DRI2fenceExtension *fence;
+   const __DRI2blobExtension *blob;
    const __DRI2rendererQueryExtension *rendererQuery;
    const __DRI2interopExtension *interop;
    int                       fd;
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 5110688f2d..f2ba260060 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -476,6 +476,7 @@ _eglCreateExtensionsString(_EGLDisplay *dpy)
    char *exts = dpy->ExtensionsString;
 
    /* Please keep these sorted alphabetically. */
+   _EGL_CHECK_EXTENSION(ANDROID_blob_cache);
    _EGL_CHECK_EXTENSION(ANDROID_framebuffer_target);
    _EGL_CHECK_EXTENSION(ANDROID_image_native_buffer);
    _EGL_CHECK_EXTENSION(ANDROID_native_fence_sync);
@@ -2522,6 +2523,35 @@ eglQueryDmaBufModifiersEXT(EGLDisplay dpy, EGLint format, EGLint max_modifiers,
    RETURN_EGL_EVAL(disp, ret);
 }
 
+static void EGLAPIENTRY
+eglSetBlobCacheFuncsANDROID(EGLDisplay *dpy, EGLSetBlobFuncANDROID set,
+                            EGLGetBlobFuncANDROID get)
+{
+   _EGLDisplay *disp = _eglLockDisplay(dpy);
+   _EGLDriver *drv = _eglCheckDisplay(disp, __func__);
+
+   if (!set || !get) {
+      _eglError(EGL_BAD_PARAMETER,
+                "eglSetBlobCacheFuncsANDROID: NULL handler given");
+      _eglUnlockDisplay(disp);
+      return;
+   }
+
+   if (disp->BlobCacheSet) {
+      _eglError(EGL_BAD_PARAMETER,
+                "eglSetBlobCacheFuncsANDROID: functions already set");
+      _eglUnlockDisplay(disp);
+      return;
+   }
+
+   disp->BlobCacheSet = set;
+   disp->BlobCacheGet = get;
+
+   drv->API.SetBlobCacheFuncsANDROID(drv, disp, set, get);
+
+   _eglUnlockDisplay(disp);
+}
+
 __eglMustCastToProperFunctionPointerType EGLAPIENTRY
 eglGetProcAddress(const char *procname)
 {
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index 852a34584e..3f70377cd7 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -209,6 +209,10 @@ struct _egl_api
                                           EGLuint64KHR *modifiers,
                                           EGLBoolean *external_only,
                                           EGLint *num_modifiers);
+
+   void (*SetBlobCacheFuncsANDROID) (_EGLDriver *drv, _EGLDisplay *dpy,
+                                     EGLSetBlobFuncANDROID set,
+                                     EGLGetBlobFuncANDROID get);
 };
 
 #ifdef __cplusplus
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index addf430ffe..71400b9568 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -92,6 +92,7 @@ struct _egl_resource
 struct _egl_extensions
 {
    /* Please keep these sorted alphabetically. */
+   EGLBoolean ANDROID_blob_cache;
    EGLBoolean ANDROID_framebuffer_target;
    EGLBoolean ANDROID_image_native_buffer;
    EGLBoolean ANDROID_native_fence_sync;
@@ -181,6 +182,9 @@ struct _egl_display
    _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
 
    EGLLabelKHR Label;
+
+   EGLSetBlobFuncANDROID BlobCacheSet;
+   EGLGetBlobFuncANDROID BlobCacheGet;
 };
 
 
diff --git a/src/egl/main/eglentrypoint.h b/src/egl/main/eglentrypoint.h
index f7fe77410d..06749f6353 100644
--- a/src/egl/main/eglentrypoint.h
+++ b/src/egl/main/eglentrypoint.h
@@ -63,6 +63,7 @@ EGL_ENTRYPOINT(eglQuerySurface)
 EGL_ENTRYPOINT(eglQueryWaylandBufferWL)
 EGL_ENTRYPOINT(eglReleaseTexImage)
 EGL_ENTRYPOINT(eglReleaseThread)
+EGL_ENTRYPOINT(eglSetBlobCacheFuncsANDROID)
 EGL_ENTRYPOINT(eglSetDamageRegionKHR)
 EGL_ENTRYPOINT(eglSignalSyncKHR)
 EGL_ENTRYPOINT(eglSurfaceAttrib)
-- 
2.14.3



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