cc/resources/texture_uploader_unittest.cc

   1 // Copyright 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 "cc/resources/texture_uploader.h"
   6
   7 #include "cc/base/util.h"
   8 #include "cc/resources/prioritized_resource.h"
   9 #include "gpu/command_buffer/client/gles2_interface_stub.h"
  10 #include "testing/gmock/include/gmock/gmock.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12 #include "third_party/khronos/GLES2/gl2.h"
  13 #include "third_party/khronos/GLES2/gl2ext.h"
  14
  15 namespace cc {
  16 namespace {
  17
  18 class TextureUploadTestContext : public gpu::gles2::GLES2InterfaceStub {
  19  public:
  20   TextureUploadTestContext() : result_available_(0), unpack_alignment_(4) {}
  21
  22   void PixelStorei(GLenum pname, GLint param) override {
  23     switch (pname) {
  24       case GL_UNPACK_ALIGNMENT:
  25         // Param should be a power of two <= 8.
  26         EXPECT_EQ(0, param & (param - 1));
  27         EXPECT_GE(8, param);
  28         switch (param) {
  29           case 1:
  30           case 2:
  31           case 4:
  32           case 8:
  33             unpack_alignment_ = param;
  34             break;
  35           default:
  36             break;
  37         }
  38         break;
  39       default:
  40         break;
  41     }
  42   }
  43
  44   void GetQueryObjectuivEXT(GLuint, GLenum type, GLuint* value) override {
  45     switch (type) {
  46       case GL_QUERY_RESULT_AVAILABLE_EXT:
  47         *value = result_available_;
  48         break;
  49       default:
  50         *value = 0;
  51         break;
  52     }
  53   }
  54
  55   void TexSubImage2D(GLenum target,
  56                      GLint level,
  57                      GLint xoffset,
  58                      GLint yoffset,
  59                      GLsizei width,
  60                      GLsizei height,
  61                      GLenum format,
  62                      GLenum type,
  63                      const void* pixels) override {
  64     EXPECT_EQ(static_cast<unsigned>(GL_TEXTURE_2D), target);
  65     EXPECT_EQ(0, level);
  66     EXPECT_LE(0, width);
  67     EXPECT_LE(0, height);
  68     EXPECT_LE(0, xoffset);
  69     EXPECT_LE(0, yoffset);
  70     EXPECT_LE(0, width);
  71     EXPECT_LE(0, height);
  72
  73     // Check for allowed format/type combination.
  74     unsigned int bytes_per_pixel = 0;
  75     switch (format) {
  76       case GL_ALPHA:
  77         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
  78         bytes_per_pixel = 1;
  79         break;
  80       case GL_RGB:
  81         EXPECT_NE(static_cast<unsigned>(GL_UNSIGNED_SHORT_4_4_4_4), type);
  82         EXPECT_NE(static_cast<unsigned>(GL_UNSIGNED_SHORT_5_5_5_1), type);
  83         switch (type) {
  84           case GL_UNSIGNED_BYTE:
  85             bytes_per_pixel = 3;
  86             break;
  87           case GL_UNSIGNED_SHORT_5_6_5:
  88             bytes_per_pixel = 2;
  89             break;
  90         }
  91         break;
  92       case GL_RGBA:
  93         EXPECT_NE(static_cast<unsigned>(GL_UNSIGNED_SHORT_5_6_5), type);
  94         switch (type) {
  95           case GL_UNSIGNED_BYTE:
  96             bytes_per_pixel = 4;
  97             break;
  98           case GL_UNSIGNED_SHORT_4_4_4_4:
  99             bytes_per_pixel = 2;
 100             break;
 101           case GL_UNSIGNED_SHORT_5_5_5_1:
 102             bytes_per_pixel = 2;
 103             break;
 104         }
 105         break;
 106       case GL_LUMINANCE:
 107         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
 108         bytes_per_pixel = 1;
 109         break;
 110       case GL_LUMINANCE_ALPHA:
 111         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
 112         bytes_per_pixel = 2;
 113         break;
 114       case GL_RED_EXT:
 115         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
 116         bytes_per_pixel = 1;
 117         break;
 118       case GL_RG_EXT:
 119         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
 120         bytes_per_pixel = 2;
 121         break;
 122     }
 123
 124     // If NULL, we aren't checking texture contents.
 125     if (pixels == NULL)
 126       return;
 127
 128     const uint8* bytes = static_cast<const uint8*>(pixels);
 129     // We'll expect the first byte of every row to be 0x1, and the last byte to
 130     // be 0x2.
 131     const unsigned int stride =
 132         RoundUp(bytes_per_pixel * width, unpack_alignment_);
 133     for (GLsizei row = 0; row < height; ++row) {
 134       const uint8* row_bytes =
 135           bytes + (xoffset * bytes_per_pixel + (yoffset + row) * stride);
 136       EXPECT_EQ(0x1, row_bytes[0]);
 137       EXPECT_EQ(0x2, row_bytes[width * bytes_per_pixel - 1]);
 138     }
 139   }
 140
 141   void SetResultAvailable(unsigned result_available) {
 142     result_available_ = result_available;
 143   }
 144
 145  private:
 146   unsigned result_available_;
 147   unsigned unpack_alignment_;
 148
 149   DISALLOW_COPY_AND_ASSIGN(TextureUploadTestContext);
 150 };
 151
 152 void UploadTexture(TextureUploader* uploader,
 153                    ResourceFormat format,
 154                    const gfx::Size& size,
 155                    const uint8* data) {
 156   uploader->Upload(
 157       data, gfx::Rect(size), gfx::Rect(size), gfx::Vector2d(), format, size);
 158 }
 159
 160 TEST(TextureUploaderTest, NumBlockingUploads) {
 161   TextureUploadTestContext context;
 162   scoped_ptr<TextureUploader> uploader = TextureUploader::Create(&context);
 163
 164   context.SetResultAvailable(0);
 165   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 166   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 167   EXPECT_EQ(1u, uploader->NumBlockingUploads());
 168   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 169   EXPECT_EQ(2u, uploader->NumBlockingUploads());
 170
 171   context.SetResultAvailable(1);
 172   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 173   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 174   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 175   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 176   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 177   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 178 }
 179
 180 TEST(TextureUploaderTest, MarkPendingUploadsAsNonBlocking) {
 181   TextureUploadTestContext context;
 182   scoped_ptr<TextureUploader> uploader = TextureUploader::Create(&context);
 183
 184   context.SetResultAvailable(0);
 185   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 186   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 187   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 188   EXPECT_EQ(2u, uploader->NumBlockingUploads());
 189
 190   uploader->MarkPendingUploadsAsNonBlocking();
 191   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 192   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 193   EXPECT_EQ(1u, uploader->NumBlockingUploads());
 194
 195   context.SetResultAvailable(1);
 196   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 197   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(), NULL);
 198   uploader->MarkPendingUploadsAsNonBlocking();
 199   EXPECT_EQ(0u, uploader->NumBlockingUploads());
 200 }
 201
 202 TEST(TextureUploaderTest, UploadContentsTest) {
 203   TextureUploadTestContext context;
 204   scoped_ptr<TextureUploader> uploader = TextureUploader::Create(&context);
 205
 206   uint8 buffer[256 * 256 * 4];
 207
 208   // Upload a tightly packed 256x256 RGBA texture.
 209   memset(buffer, 0, sizeof(buffer));
 210   for (int i = 0; i < 256; ++i) {
 211     // Mark the beginning and end of each row, for the test.
 212     buffer[i * 4 * 256] = 0x1;
 213     buffer[(i + 1) * 4 * 256 - 1] = 0x2;
 214   }
 215   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(256, 256), buffer);
 216
 217   // Upload a tightly packed 41x43 RGBA texture.
 218   memset(buffer, 0, sizeof(buffer));
 219   for (int i = 0; i < 43; ++i) {
 220     // Mark the beginning and end of each row, for the test.
 221     buffer[i * 4 * 41] = 0x1;
 222     buffer[(i + 1) * 4 * 41 - 1] = 0x2;
 223   }
 224   UploadTexture(uploader.get(), RGBA_8888, gfx::Size(41, 43), buffer);
 225
 226   // Upload a tightly packed 41x86 ALPHA texture.
 227   memset(buffer, 0, sizeof(buffer));
 228   for (int i = 0; i < 86; ++i) {
 229     // Mark the beginning and end of each row, for the test.
 230     buffer[i * 1 * 41] = 0x1;
 231     buffer[(i + 1) * 41 - 1] = 0x2;
 232   }
 233   UploadTexture(uploader.get(), ALPHA_8, gfx::Size(41, 86), buffer);
 234
 235   // Upload a tightly packed 82x86 LUMINANCE texture.
 236   memset(buffer, 0, sizeof(buffer));
 237   for (int i = 0; i < 86; ++i) {
 238     // Mark the beginning and end of each row, for the test.
 239     buffer[i * 1 * 82] = 0x1;
 240     buffer[(i + 1) * 82 - 1] = 0x2;
 241   }
 242   UploadTexture(uploader.get(), LUMINANCE_8, gfx::Size(82, 86), buffer);
 243
 244   // Upload a tightly packed 82x86 RED texture.
 245   memset(buffer, 0, sizeof(buffer));
 246   for (int i = 0; i < 86; ++i) {
 247     // Mark the beginning and end of each row, for the test.
 248     buffer[i * 1 * 82] = 0x1;
 249     buffer[(i + 1) * 82 - 1] = 0x2;
 250   }
 251   UploadTexture(uploader.get(), RED_8, gfx::Size(82, 86), buffer);
 252 }
 253
 254 }  // namespace
 255 }  // namespace cc