gpu/command_buffer/common/gles2_cmd_utils_unittest.cc

   1 // Copyright (c) 2012 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 "gpu/command_buffer/common/gles2_cmd_utils.h"
   6
   7 #include <limits>
   8 #include <GLES2/gl2.h>
   9 #include <GLES2/gl2ext.h>
  10 #include <GLES2/gl2extchromium.h>
  11 #include <GLES3/gl3.h>
  12
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace gpu {
  16 namespace gles2 {
  17
  18 class GLES2UtilTest : public testing:: Test {
  19  protected:
  20   GLES2Util util_;
  21 };
  22
  23 TEST_F(GLES2UtilTest, SafeMultiplyUint32) {
  24   uint32_t result = 0;
  25   EXPECT_TRUE(SafeMultiplyUint32(2u, 3u, &result));
  26   EXPECT_EQ(6u, result);
  27   EXPECT_FALSE(SafeMultiplyUint32(0x80000000u, 2u, &result));
  28   EXPECT_EQ(0u, result);
  29   EXPECT_TRUE(SafeMultiplyUint32(0x2u, 0x7FFFFFFFu, &result));
  30   EXPECT_EQ(0xFFFFFFFEu, result);
  31   EXPECT_FALSE(SafeMultiplyUint32(2u, 0x80000000u, &result));
  32   EXPECT_EQ(0u, result);
  33 }
  34
  35 TEST_F(GLES2UtilTest, SafeAddUint32) {
  36   uint32_t result = 0;
  37   EXPECT_TRUE(SafeAddUint32(2u, 3u, &result));
  38   EXPECT_EQ(5u, result);
  39   EXPECT_FALSE(SafeAddUint32(0x80000000u, 0x80000000u, &result));
  40   EXPECT_EQ(0u, result);
  41   EXPECT_TRUE(SafeAddUint32(0xFFFFFFFEu, 0x1u, &result));
  42   EXPECT_EQ(0xFFFFFFFFu, result);
  43   EXPECT_FALSE(SafeAddUint32(0xFFFFFFFEu, 0x2u, &result));
  44   EXPECT_EQ(0u, result);
  45   EXPECT_TRUE(SafeAddUint32(0x1u, 0xFFFFFFFEu, &result));
  46   EXPECT_EQ(0xFFFFFFFFu, result);
  47   EXPECT_FALSE(SafeAddUint32(0x2u, 0xFFFFFFFEu, &result));
  48   EXPECT_EQ(0u, result);
  49 }
  50
  51 TEST_F(GLES2UtilTest, SafeAddInt32) {
  52   int32_t result = 0;
  53   const int32_t kMax = std::numeric_limits<int32_t>::max();
  54   const int32_t kMin = std::numeric_limits<int32_t>::min();
  55   EXPECT_TRUE(SafeAddInt32(2, 3, &result));
  56   EXPECT_EQ(5, result);
  57   EXPECT_FALSE(SafeAddInt32(kMax, 1, &result));
  58   EXPECT_EQ(0, result);
  59   EXPECT_TRUE(SafeAddInt32(kMin + 1, -1, &result));
  60   EXPECT_EQ(kMin, result);
  61   EXPECT_FALSE(SafeAddInt32(kMin, -1, &result));
  62   EXPECT_EQ(0, result);
  63   EXPECT_TRUE(SafeAddInt32(kMax - 1, 1, &result));
  64   EXPECT_EQ(kMax, result);
  65   EXPECT_FALSE(SafeAddInt32(1, kMax, &result));
  66   EXPECT_EQ(0, result);
  67   EXPECT_TRUE(SafeAddInt32(-1, kMin + 1, &result));
  68   EXPECT_EQ(kMin, result);
  69   EXPECT_FALSE(SafeAddInt32(-1, kMin, &result));
  70   EXPECT_EQ(0, result);
  71   EXPECT_TRUE(SafeAddInt32(1, kMax - 1, &result));
  72   EXPECT_EQ(kMax, result);
  73 }
  74
  75 TEST_F(GLES2UtilTest, GLGetNumValuesReturned) {
  76   EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
  77   EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
  78
  79   EXPECT_EQ(0, util_.num_compressed_texture_formats());
  80   EXPECT_EQ(0, util_.num_shader_binary_formats());
  81
  82   util_.set_num_compressed_texture_formats(1);
  83   util_.set_num_shader_binary_formats(2);
  84
  85   EXPECT_EQ(1, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
  86   EXPECT_EQ(2, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
  87
  88   EXPECT_EQ(1, util_.num_compressed_texture_formats());
  89   EXPECT_EQ(2, util_.num_shader_binary_formats());
  90 }
  91
  92 TEST_F(GLES2UtilTest, ComputeImageDataSizesFormats) {
  93   const uint32_t kWidth = 16;
  94   const uint32_t kHeight = 12;
  95   uint32_t size;
  96   uint32_t unpadded_row_size;
  97   uint32_t padded_row_size;
  98   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
  99       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_BYTE, 1,
 100       &size, &unpadded_row_size, &padded_row_size));
 101   EXPECT_EQ(kWidth * kHeight * 3, size);
 102   EXPECT_EQ(kWidth * 3, padded_row_size);
 103   EXPECT_EQ(padded_row_size, unpadded_row_size);
 104   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 105       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, &size,
 106       &unpadded_row_size, &padded_row_size));
 107   EXPECT_EQ(kWidth * kHeight * 4, size);
 108   EXPECT_EQ(kWidth * 4, padded_row_size);
 109   EXPECT_EQ(padded_row_size, unpadded_row_size);
 110   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 111       kWidth, kHeight, 1, GL_LUMINANCE, GL_UNSIGNED_BYTE, 1, &size,
 112       &unpadded_row_size, &padded_row_size));
 113   EXPECT_EQ(kWidth * kHeight * 1, size);
 114   EXPECT_EQ(kWidth * 1, padded_row_size);
 115   EXPECT_EQ(padded_row_size, unpadded_row_size);
 116   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 117       kWidth, kHeight, 1, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 1, &size,
 118       &unpadded_row_size, &padded_row_size));
 119   EXPECT_EQ(kWidth * kHeight * 2, size);
 120   EXPECT_EQ(kWidth * 2, padded_row_size);
 121   EXPECT_EQ(padded_row_size, unpadded_row_size);
 122   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 123       kWidth, kHeight, 1, GL_BGRA_EXT, GL_UNSIGNED_BYTE, 1, &size,
 124       &unpadded_row_size, &padded_row_size));
 125   EXPECT_EQ(kWidth * kHeight * 4, size);
 126   EXPECT_EQ(kWidth * 4, padded_row_size);
 127   EXPECT_EQ(padded_row_size, unpadded_row_size);
 128   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 129       kWidth, kHeight, 1, GL_ALPHA, GL_UNSIGNED_BYTE, 1, &size,
 130       &unpadded_row_size, &padded_row_size));
 131   EXPECT_EQ(kWidth * kHeight * 1, size);
 132   EXPECT_EQ(kWidth * 1, padded_row_size);
 133   EXPECT_EQ(padded_row_size, unpadded_row_size);
 134   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 135       kWidth, kHeight, 1, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 1, &size,
 136       &unpadded_row_size, &padded_row_size));
 137   EXPECT_EQ(kWidth * kHeight * 2, size);
 138   EXPECT_EQ(kWidth * 2, padded_row_size);
 139   EXPECT_EQ(padded_row_size, unpadded_row_size);
 140   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 141       kWidth, kHeight, 1, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, 1,
 142       &size, &unpadded_row_size, &padded_row_size));
 143   EXPECT_EQ(kWidth * kHeight * 4, size);
 144   EXPECT_EQ(kWidth * 4, padded_row_size);
 145   EXPECT_EQ(padded_row_size, unpadded_row_size);
 146   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 147       kWidth, kHeight, 1, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, 1,
 148       &size, &unpadded_row_size, &padded_row_size));
 149   EXPECT_EQ(kWidth * kHeight * 3, size);
 150   EXPECT_EQ(kWidth * 3, padded_row_size);
 151   EXPECT_EQ(padded_row_size, unpadded_row_size);
 152   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 153       kWidth, kHeight, 1, GL_RG, GL_UNSIGNED_BYTE, 1,
 154       &size, &unpadded_row_size, &padded_row_size));
 155   EXPECT_EQ(kWidth * kHeight * 2, size);
 156   EXPECT_EQ(kWidth * 2, padded_row_size);
 157   EXPECT_EQ(padded_row_size, unpadded_row_size);
 158   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 159       kWidth, kHeight, 1, GL_RG_INTEGER, GL_UNSIGNED_BYTE, 1,
 160       &size, &unpadded_row_size, &padded_row_size));
 161   EXPECT_EQ(kWidth * kHeight * 2, size);
 162   EXPECT_EQ(kWidth * 2, padded_row_size);
 163   EXPECT_EQ(padded_row_size, unpadded_row_size);
 164   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 165       kWidth, kHeight, 1, GL_RED, GL_UNSIGNED_BYTE, 1,
 166       &size, &unpadded_row_size, &padded_row_size));
 167   EXPECT_EQ(kWidth * kHeight * 1, size);
 168   EXPECT_EQ(kWidth * 1, padded_row_size);
 169   EXPECT_EQ(padded_row_size, unpadded_row_size);
 170   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 171       kWidth, kHeight, 1, GL_RED_INTEGER, GL_UNSIGNED_BYTE, 1,
 172       &size, &unpadded_row_size, &padded_row_size));
 173   EXPECT_EQ(kWidth * kHeight * 1, size);
 174   EXPECT_EQ(kWidth * 1, padded_row_size);
 175   EXPECT_EQ(padded_row_size, unpadded_row_size);
 176 }
 177
 178 TEST_F(GLES2UtilTest, ComputeImageDataSizeTypes) {
 179   const uint32_t kWidth = 16;
 180   const uint32_t kHeight = 12;
 181   uint32_t size;
 182   uint32_t unpadded_row_size;
 183   uint32_t padded_row_size;
 184   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 185       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, &size,
 186       &unpadded_row_size, &padded_row_size));
 187   EXPECT_EQ(kWidth * kHeight * 4, size);
 188   EXPECT_EQ(kWidth * 4, padded_row_size);
 189   EXPECT_EQ(padded_row_size, unpadded_row_size);
 190   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 191       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 1, &size,
 192       &unpadded_row_size, &padded_row_size));
 193   EXPECT_EQ(kWidth * kHeight * 2, size);
 194   EXPECT_EQ(kWidth * 2, padded_row_size);
 195   EXPECT_EQ(padded_row_size, unpadded_row_size);
 196   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 197       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 1, &size,
 198       &unpadded_row_size, &padded_row_size));
 199   EXPECT_EQ(kWidth * kHeight * 2, size);
 200   EXPECT_EQ(kWidth * 2, padded_row_size);
 201   EXPECT_EQ(padded_row_size, unpadded_row_size);
 202   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 203       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 1, &size,
 204       &unpadded_row_size, &padded_row_size));
 205   EXPECT_EQ(kWidth * kHeight * 2, size);
 206   EXPECT_EQ(kWidth * 2, padded_row_size);
 207   EXPECT_EQ(padded_row_size, unpadded_row_size);
 208   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 209       kWidth, kHeight, 1, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 1, &size,
 210       &unpadded_row_size, &padded_row_size));
 211   EXPECT_EQ(kWidth * kHeight * 4, size);
 212   EXPECT_EQ(kWidth * 4, padded_row_size);
 213   EXPECT_EQ(padded_row_size, unpadded_row_size);
 214   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 215       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 1, &size,
 216       &unpadded_row_size, &padded_row_size));
 217   EXPECT_EQ(kWidth * kHeight * 4, size);
 218   EXPECT_EQ(kWidth * 4, padded_row_size);
 219   EXPECT_EQ(padded_row_size, unpadded_row_size);
 220   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 221       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, 1, &size,
 222       &unpadded_row_size, &padded_row_size));
 223   EXPECT_EQ(kWidth * kHeight * 4, size);
 224   EXPECT_EQ(kWidth * 4, padded_row_size);
 225   EXPECT_EQ(padded_row_size, unpadded_row_size);
 226   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 227       kWidth, kHeight, 1, GL_RGBA, GL_UNSIGNED_INT_5_9_9_9_REV, 1, &size,
 228       &unpadded_row_size, &padded_row_size));
 229   EXPECT_EQ(kWidth * kHeight * 4, size);
 230   EXPECT_EQ(kWidth * 4, padded_row_size);
 231   EXPECT_EQ(padded_row_size, unpadded_row_size);
 232   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 233       kWidth, kHeight, 1, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV,
 234       1, &size, &unpadded_row_size, &padded_row_size));
 235   EXPECT_EQ(kWidth * kHeight * 8, size);
 236   EXPECT_EQ(kWidth * 8, padded_row_size);
 237   EXPECT_EQ(padded_row_size, unpadded_row_size);
 238   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 239       kWidth, kHeight, 1, GL_RGBA, GL_HALF_FLOAT,
 240       1, &size, &unpadded_row_size, &padded_row_size));
 241   EXPECT_EQ(kWidth * kHeight * 8, size);
 242   EXPECT_EQ(kWidth * 8, padded_row_size);
 243   EXPECT_EQ(padded_row_size, unpadded_row_size);
 244   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 245       kWidth, kHeight, 1, GL_RGBA, GL_HALF_FLOAT_OES,
 246       1, &size, &unpadded_row_size, &padded_row_size));
 247   EXPECT_EQ(kWidth * kHeight * 8, size);
 248   EXPECT_EQ(kWidth * 8, padded_row_size);
 249   EXPECT_EQ(padded_row_size, unpadded_row_size);
 250 }
 251
 252 TEST_F(GLES2UtilTest, ComputeImageDataSizesUnpackAlignment) {
 253   const uint32_t kWidth = 19;
 254   const uint32_t kHeight = 12;
 255   uint32_t size;
 256   uint32_t unpadded_row_size;
 257   uint32_t padded_row_size;
 258   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 259       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_BYTE, 1, &size,
 260       &unpadded_row_size, &padded_row_size));
 261   EXPECT_EQ(kWidth * kHeight * 3, size);
 262   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 263   EXPECT_EQ(kWidth * 3, padded_row_size);
 264   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 265       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_BYTE, 2, &size,
 266       &unpadded_row_size, &padded_row_size));
 267   EXPECT_EQ((kWidth * 3 + 1) * (kHeight - 1) +
 268             kWidth * 3, size);
 269   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 270   EXPECT_EQ(kWidth * 3 + 1, padded_row_size);
 271   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 272       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_BYTE, 4, &size,
 273       &unpadded_row_size, &padded_row_size));
 274   EXPECT_EQ((kWidth * 3 + 3) * (kHeight - 1) +
 275             kWidth * 3, size);
 276   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 277   EXPECT_EQ(kWidth * 3 + 3, padded_row_size);
 278   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 279       kWidth, kHeight, 1, GL_RGB, GL_UNSIGNED_BYTE, 8, &size,
 280       &unpadded_row_size, &padded_row_size));
 281   EXPECT_EQ((kWidth * 3 + 7) * (kHeight - 1) +
 282             kWidth * 3, size);
 283   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 284   EXPECT_EQ(kWidth * 3 + 7, padded_row_size);
 285 }
 286
 287 TEST_F(GLES2UtilTest, ComputeImageDataSizeDepth) {
 288   const uint32_t kWidth = 19;
 289   const uint32_t kHeight = 12;
 290   const uint32_t kDepth = 3;
 291   uint32_t size;
 292   uint32_t unpadded_row_size;
 293   uint32_t padded_row_size;
 294   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 295       kWidth, kHeight, kDepth, GL_RGB, GL_UNSIGNED_BYTE, 1, &size,
 296       &unpadded_row_size, &padded_row_size));
 297   EXPECT_EQ(kWidth * kHeight * kDepth * 3, size);
 298   EXPECT_EQ(kWidth * 3, padded_row_size);
 299   EXPECT_EQ(padded_row_size, unpadded_row_size);
 300   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 301       kWidth, kHeight, kDepth, GL_RGB, GL_UNSIGNED_BYTE, 2, &size,
 302       &unpadded_row_size, &padded_row_size));
 303   EXPECT_EQ((kWidth * 3 + 1) * (kHeight * kDepth - 1) +
 304             kWidth * 3, size);
 305   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 306   EXPECT_EQ(kWidth * 3 + 1, padded_row_size);
 307   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 308       kWidth, kHeight, kDepth, GL_RGB, GL_UNSIGNED_BYTE, 4, &size,
 309       &unpadded_row_size, &padded_row_size));
 310   EXPECT_EQ((kWidth * 3 + 3) * (kHeight * kDepth - 1) +
 311             kWidth * 3, size);
 312   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 313   EXPECT_EQ(kWidth * 3 + 3, padded_row_size);
 314   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 315       kWidth, kHeight, kDepth, GL_RGB, GL_UNSIGNED_BYTE, 8, &size,
 316       &unpadded_row_size, &padded_row_size));
 317   EXPECT_EQ((kWidth * 3 + 7) * (kHeight * kDepth - 1) +
 318             kWidth * 3, size);
 319   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 320   EXPECT_EQ(kWidth * 3 + 7, padded_row_size);
 321 }
 322
 323 TEST_F(GLES2UtilTest, RenderbufferBytesPerPixel) {
 324    EXPECT_EQ(1u, GLES2Util::RenderbufferBytesPerPixel(GL_STENCIL_INDEX8));
 325    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA4));
 326    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB565));
 327    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB5_A1));
 328    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH_COMPONENT16));
 329    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB));
 330    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA));
 331    EXPECT_EQ(
 332        4u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH24_STENCIL8_OES));
 333    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB8_OES));
 334    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA8_OES));
 335    EXPECT_EQ(
 336        4u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH_COMPONENT24_OES));
 337    EXPECT_EQ(0u, GLES2Util::RenderbufferBytesPerPixel(-1));
 338 }
 339
 340 TEST_F(GLES2UtilTest, GetChannelsForCompressedFormat) {
 341   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(GL_ETC1_RGB8_OES));
 342   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 343       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
 344   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 345       GL_COMPRESSED_RGBA_S3TC_DXT1_EXT));
 346   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 347       GL_COMPRESSED_RGBA_S3TC_DXT3_EXT));
 348   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 349       GL_COMPRESSED_RGBA_S3TC_DXT5_EXT));
 350   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(GL_ATC_RGB_AMD));
 351   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 352       GL_ATC_RGBA_EXPLICIT_ALPHA_AMD));
 353   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 354       GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD));
 355   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 356       GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG));
 357   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 358       GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG));
 359   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 360       GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG));
 361   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 362       GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG));
 363 }
 364
 365 namespace {
 366
 367 void CheckParseUniformName(
 368     const char* name,
 369     bool expected_success,
 370     size_t expected_array_pos,
 371     int expected_index,
 372     bool expected_getting_array) {
 373   int index = 1234;
 374   size_t array_pos = 1244;
 375   bool getting_array = false;
 376   bool success = GLES2Util::ParseUniformName(
 377       name, &array_pos, &index, &getting_array);
 378   EXPECT_EQ(expected_success, success);
 379   if (success) {
 380     EXPECT_EQ(expected_array_pos, array_pos);
 381     EXPECT_EQ(expected_index, index);
 382     EXPECT_EQ(expected_getting_array, getting_array);
 383   }
 384 }
 385
 386 }  // anonymous namespace
 387
 388 TEST_F(GLES2UtilTest, ParseUniformName) {
 389   CheckParseUniformName("u_name", true, std::string::npos, 0, false);
 390   CheckParseUniformName("u_name[]", false, std::string::npos, 0, false);
 391   CheckParseUniformName("u_name]", false, std::string::npos, 0, false);
 392   CheckParseUniformName("u_name[0a]", false, std::string::npos, 0, false);
 393   CheckParseUniformName("u_name[a0]", false, std::string::npos, 0, false);
 394   CheckParseUniformName("u_name[0a0]", false, std::string::npos, 0, false);
 395   CheckParseUniformName("u_name[0]", true, 6u, 0, true);
 396   CheckParseUniformName("u_name[2]", true, 6u, 2, true);
 397   CheckParseUniformName("u_name[02]", true, 6u, 2, true);
 398   CheckParseUniformName("u_name[20]", true, 6u, 20, true);
 399   CheckParseUniformName("u_name[020]", true, 6u, 20, true);
 400   CheckParseUniformName("u_name[0][0]", true, 9u, 0, true);
 401   CheckParseUniformName("u_name[3][2]", true, 9u, 2, true);
 402   CheckParseUniformName("u_name[03][02]", true, 10u, 2, true);
 403   CheckParseUniformName("u_name[30][20]", true, 10u, 20, true);
 404   CheckParseUniformName("u_name[030][020]", true, 11u, 20, true);
 405   CheckParseUniformName("", false, std::string::npos, 0, false);
 406 }
 407
 408 }  // namespace gles2
 409 }  // namespace gpu