Add libva to chromium third_party.

third_party/libva/va/x11/va_x11.c

+/*
+ * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define _GNU_SOURCE 1
+#include "sysdeps.h"
+#include "va.h"
+#include "va_backend.h"
+#include "va_trace.h"
+#include "va_fool.h"
+#include "va_x11.h"
+#include "va_dri2.h"
+#include "va_dricommon.h"
+#include "va_nvctrl.h"
+#include "va_fglrx.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+static int va_DisplayContextIsValid (
+    VADisplayContextP pDisplayContext
+)
+{
+    return (pDisplayContext != NULL && 
+            pDisplayContext->pDriverContext != NULL);
+}
+
+static void va_DisplayContextDestroy (
+    VADisplayContextP pDisplayContext
+)
+{
+    VADriverContextP ctx;
+    struct dri_state *dri_state;
+
+    if (pDisplayContext == NULL)
+        return;
+
+    ctx = pDisplayContext->pDriverContext;
+    dri_state = ctx->dri_state;
+
+    if (dri_state && dri_state->close)
+        dri_state->close(ctx);
+
+    free(pDisplayContext->pDriverContext->dri_state);
+    free(pDisplayContext->pDriverContext);
+    free(pDisplayContext);
+}
+
+
+static VAStatus va_DRI2GetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+
+    if (!isDRI2Connected(ctx, driver_name))
+        return VA_STATUS_ERROR_UNKNOWN;
+
+    return VA_STATUS_SUCCESS;
+}
+
+static VAStatus va_NVCTRL_GetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    int direct_capable, driver_major, driver_minor, driver_patch;
+    Bool result;
+
+    result = VA_NVCTRLQueryDirectRenderingCapable(ctx->native_dpy, ctx->x11_screen,
+                                                  &direct_capable);
+    if (!result || !direct_capable)
+        return VA_STATUS_ERROR_UNKNOWN;
+
+    result = VA_NVCTRLGetClientDriverName(ctx->native_dpy, ctx->x11_screen,
+                                          &driver_major, &driver_minor,
+                                          &driver_patch, driver_name);
+    if (!result)
+        return VA_STATUS_ERROR_UNKNOWN;
+
+    return VA_STATUS_SUCCESS;
+}
+
+static VAStatus va_FGLRX_GetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    int driver_major, driver_minor, driver_patch;
+    Bool result;
+
+    result = VA_FGLRXGetClientDriverName(ctx->native_dpy, ctx->x11_screen,
+                                         &driver_major, &driver_minor,
+                                         &driver_patch, driver_name);
+    if (!result)
+        return VA_STATUS_ERROR_UNKNOWN;
+
+    return VA_STATUS_SUCCESS;
+}
+
+static VAStatus va_DisplayContextGetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VAStatus vaStatus;
+
+    if (driver_name)
+        *driver_name = NULL;
+
+    vaStatus = va_DRI2GetDriverName(pDisplayContext, driver_name);
+    if (vaStatus != VA_STATUS_SUCCESS)
+        vaStatus = va_NVCTRL_GetDriverName(pDisplayContext, driver_name);
+    if (vaStatus != VA_STATUS_SUCCESS)
+        vaStatus = va_FGLRX_GetDriverName(pDisplayContext, driver_name);
+    return vaStatus;
+}
+
+static VAStatus va_CreateNativePixmap(
+    VADisplayContextP pDisplayContext,
+    unsigned int width,
+    unsigned int height,
+    void **native_pixmap)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    Window root_window;
+    XWindowAttributes wattr;
+    Pixmap pixmap = None;
+
+    root_window = RootWindow(ctx->native_dpy, ctx->x11_screen);
+    XGetWindowAttributes(ctx->native_dpy, root_window, &wattr);
+
+    if (wattr.depth != 24 && wattr.depth != 32)
+        return VA_STATUS_ERROR_INVALID_DISPLAY;
+
+    pixmap = XCreatePixmap(
+        ctx->native_dpy,
+        root_window,
+        width,
+        height,
+        wattr.depth
+    );
+
+    *native_pixmap = (void *)pixmap;
+
+    return !pixmap ? VA_STATUS_ERROR_UNKNOWN : VA_STATUS_SUCCESS;
+}
+
+static VAStatus va_FreeNativePixmap(
+    VADisplayContextP pDisplayContext,
+    void *native_pixmap)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    Pixmap pixmap = (Pixmap)native_pixmap;
+
+    XFreePixmap(ctx->native_dpy, pixmap);
+
+    return VA_STATUS_SUCCESS;
+}
+
+VADisplay vaGetDisplay (
+    Display *native_dpy /* implementation specific */
+)
+{
+  VADisplay dpy = NULL;
+  VADisplayContextP pDisplayContext;
+
+  if (!native_dpy)
+      return NULL;
+
+  if (!dpy)
+  {
+      /* create new entry */
+      VADriverContextP pDriverContext;
+      struct dri_state *dri_state;
+      pDisplayContext = calloc(1, sizeof(*pDisplayContext));
+      pDriverContext  = calloc(1, sizeof(*pDriverContext));
+      dri_state       = calloc(1, sizeof(*dri_state));
+      if (pDisplayContext && pDriverContext && dri_state)
+      {
+          pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;          
+
+          pDriverContext->native_dpy       = (void *)native_dpy;
+          pDisplayContext->pDriverContext  = pDriverContext;
+          pDisplayContext->vaIsValid       = va_DisplayContextIsValid;
+          pDisplayContext->vaDestroy       = va_DisplayContextDestroy;
+          pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
+          pDisplayContext->opaque          = NULL;
+          pDisplayContext->vaCreateNativePixmap = va_CreateNativePixmap;
+          pDisplayContext->vaFreeNativePixmap   = va_FreeNativePixmap;
+          pDriverContext->dri_state        = dri_state;
+          dpy                              = (VADisplay)pDisplayContext;
+      }
+      else
+      {
+          if (pDisplayContext)
+              free(pDisplayContext);
+          if (pDriverContext)
+              free(pDriverContext);
+          if (dri_state)
+              free(dri_state);
+      }
+  }
+  
+  return dpy;
+}
+
+#define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
+#define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
+
+void va_TracePutSurface (
+    VADisplay dpy,
+    VASurfaceID surface,
+    void *draw, /* the target Drawable */
+    short srcx,
+    short srcy,
+    unsigned short srcw,
+    unsigned short srch,
+    short destx,
+    short desty,
+    unsigned short destw,
+    unsigned short desth,
+    VARectangle *cliprects, /* client supplied clip list */
+    unsigned int number_cliprects, /* number of clip rects in the clip list */
+    unsigned int flags /* de-interlacing flags */
+);
+
+
+VAStatus vaPutSurface (
+    VADisplay dpy,
+    VASurfaceID surface,
+    Drawable draw, /* X Drawable */
+    short srcx,
+    short srcy,
+    unsigned short srcw,
+    unsigned short srch,
+    short destx,
+    short desty,
+    unsigned short destw,
+    unsigned short desth,
+    VARectangle *cliprects, /* client supplied clip list */
+    unsigned int number_cliprects, /* number of clip rects in the clip list */
+    unsigned int flags /* de-interlacing flags */
+)
+{
+  VADriverContextP ctx;
+
+  if (fool_postp)
+      return VA_STATUS_SUCCESS;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  
+  VA_TRACE_FUNC(va_TracePutSurface, dpy, surface, (void *)draw, srcx, srcy, srcw, srch,
+                destx, desty, destw, desth,
+           cliprects, number_cliprects, flags );
+  
+  return ctx->vtable->vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch,
+                                   destx, desty, destw, desth,
+                                   cliprects, number_cliprects, flags );
+}