android_webview/test/shell/src/draw_gl/draw_gl.cc

   1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <jni.h>
   6
   7 #include "android_webview/public/browser/draw_gl.h"
   8
   9 extern "C" {
  10
  11 JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
  12   return JNI_VERSION_1_4;
  13 }
  14
  15 // This code goes into its own dynamic library, so we cannot depend on
  16 // any other components like base.
  17 JNIEXPORT void JNICALL
  18     Java_org_chromium_android_1webview_shell_DrawGL_nativeDrawGL(
  19         JNIEnv*,
  20         jclass,
  21         jlong draw_gl,
  22         jlong view,
  23         jint width,
  24         jint height,
  25         jint scroll_x,
  26         jint scroll_y,
  27         jint mode) {
  28    AwDrawGLInfo draw_info;
  29    draw_info.mode = static_cast<AwDrawGLInfo::Mode>(mode);
  30    draw_info.version = kAwDrawGLInfoVersion;
  31    draw_info.is_layer = false;
  32    draw_info.width = width;
  33    draw_info.height = height;
  34    draw_info.clip_left = 0;
  35    draw_info.clip_top = 0;
  36    draw_info.clip_bottom = height;
  37    draw_info.clip_right = width;
  38    draw_info.transform[0] = 1.0;
  39    draw_info.transform[1] = 0.0;
  40    draw_info.transform[2] = 0.0;
  41    draw_info.transform[3] = 0.0;
  42
  43    draw_info.transform[4] = 0.0;
  44    draw_info.transform[5] = 1.0;
  45    draw_info.transform[6] = 0.0;
  46    draw_info.transform[7] = 0.0;
  47
  48    draw_info.transform[8] = 0.0;
  49    draw_info.transform[9] = 0.0;
  50    draw_info.transform[10] = 1.0;
  51    draw_info.transform[11] = 0.0;
  52
  53    draw_info.transform[12] = -scroll_x;
  54    draw_info.transform[13] = -scroll_y;
  55    draw_info.transform[14] = 0.0;
  56    draw_info.transform[15] = 1.0;
  57    AwDrawGLFunction* draw_func = reinterpret_cast<AwDrawGLFunction*>(draw_gl);
  58    draw_func(view, &draw_info, 0);
  59 }
  60
  61 }