remoting/android/java/src/org/chromium/chromoting/cardboard/TextureHelper.java - Issue 2252123002: [Remoting Android] Remove Cardboard Code

Side by Side Diff: remoting/android/java/src/org/chromium/chromoting/cardboard/TextureHelper.java

Issue 2252123002: [Remoting Android] Remove Cardboard Code (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Reviewer's Feedback - Removed unused const and strings Created 4 years, 4 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 // Copyright 2015 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 package org.chromium.chromoting.cardboard;

6

7 import static android.opengl.GLES20.GL_LINEAR;

8 import static android.opengl.GLES20.GL_NEAREST;

9 import static android.opengl.GLES20.GL_TEXTURE_2D;

10 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP;

11 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_NEGATIVE_X;

12 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y;

13 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;

14 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_POSITIVE_X;

15 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_POSITIVE_Y;

16 import static android.opengl.GLES20.GL_TEXTURE_CUBE_MAP_POSITIVE_Z;

17 import static android.opengl.GLES20.GL_TEXTURE_MAG_FILTER;

18 import static android.opengl.GLES20.GL_TEXTURE_MIN_FILTER;

19 import static android.opengl.GLES20.glBindTexture;

20 import static android.opengl.GLES20.glDeleteTextures;

21 import static android.opengl.GLES20.glGenTextures;

22 import static android.opengl.GLES20.glTexParameteri;

23 import static android.opengl.GLUtils.texImage2D;

24

25 import android.graphics.Bitmap;

26

27 /**

28 * Helper class for working with OpenGL textures.

29 */

30 public class TextureHelper {

31 /**

32 * Create new texture handle.

33 * @return New texture handle.

34 */

35 public static int createTextureHandle() {

36 int[] textureDataHandle = new int[1];

37 glGenTextures(1, textureDataHandle, 0);

38 if (textureDataHandle[0] != 0) {

39 return textureDataHandle[0];

40 } else {

41 throw new RuntimeException("Error generating texture handle.");

42 }

43 }

44

45 /**

46 * Link desktop texture with a handle.

47 * @param textureDataHandle the handle to attach texture to

48 */

49 public static void linkTexture(int textureDataHandle, Bitmap bitmap) {

50 // Delete previously attached texture.

51 glDeleteTextures(1, new int[]{textureDataHandle}, 0);

52

53 // Bind to the texture in OpenGL.

54 glBindTexture(GL_TEXTURE_2D, textureDataHandle);

55

56 glTexParameteri(GL_TEXTURE_2D,

57 GL_TEXTURE_MIN_FILTER, GL_NEAREST);

58 glTexParameteri(GL_TEXTURE_2D,

59 GL_TEXTURE_MAG_FILTER, GL_NEAREST);

60

61 // Load the bitmap into the bound texture.

62 texImage2D(GL_TEXTURE_2D, 0, bitmap, 0);

63 }

64

65 /**

66 * Link the cubemap images with a given texture handle.

67 */

68 public static void linkCubeMap(int textureDataHandle, Bitmap[] cubeBitmaps) {

69 glBindTexture(GL_TEXTURE_CUBE_MAP, textureDataHandle);

70

71 // Linear filtering for minification and magnification.

72 glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

73 glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

74

75 // Link left, right, bottom, top, back and front image in order.

76 texImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, cubeBitmaps[0], 0);

77 texImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, cubeBitmaps[1], 0);

78

79 texImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, cubeBitmaps[2], 0);

80 texImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, cubeBitmaps[3], 0);

81

82 texImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, cubeBitmaps[4], 0);

83 texImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, cubeBitmaps[5], 0);

84 }

85 }

OLD	NEW