src/gpu/command_buffer/service/vertex_attrib_manager_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/service/vertex_attrib_manager.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "gpu/command_buffer/service/buffer_manager.h"
   9 #include "gpu/command_buffer/service/error_state_mock.h"
  10 #include "gpu/command_buffer/service/feature_info.h"
  11 #include "gpu/command_buffer/service/gpu_service_test.h"
  12 #include "gpu/command_buffer/service/test_helper.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "ui/gl/gl_mock.h"
  15
  16 using ::testing::Pointee;
  17 using ::testing::_;
  18
  19 namespace gpu {
  20 namespace gles2 {
  21
  22 class VertexAttribManagerTest : public GpuServiceTest {
  23  public:
  24   static const uint32 kNumVertexAttribs = 8;
  25
  26   VertexAttribManagerTest() {
  27   }
  28
  29   ~VertexAttribManagerTest() override {}
  30
  31  protected:
  32   void SetUp() override {
  33     GpuServiceTest::SetUp();
  34
  35     for (uint32 ii = 0; ii < kNumVertexAttribs; ++ii) {
  36       EXPECT_CALL(*gl_, VertexAttrib4f(ii, 0.0f, 0.0f, 0.0f, 1.0f))
  37           .Times(1)
  38           .RetiresOnSaturation();
  39     }
  40
  41     manager_ = new VertexAttribManager();
  42     manager_->Initialize(kNumVertexAttribs, true);
  43   }
  44
  45   scoped_refptr<VertexAttribManager> manager_;
  46 };
  47
  48 // GCC requires these declarations, but MSVC requires they not be present
  49 #ifndef COMPILER_MSVC
  50 const uint32 VertexAttribManagerTest::kNumVertexAttribs;
  51 #endif
  52
  53 TEST_F(VertexAttribManagerTest, Basic) {
  54   EXPECT_TRUE(manager_->GetVertexAttrib(kNumVertexAttribs) == NULL);
  55   EXPECT_FALSE(manager_->HaveFixedAttribs());
  56
  57   const VertexAttribManager::VertexAttribList& enabled_attribs =
  58       manager_->GetEnabledVertexAttribs();
  59   EXPECT_EQ(0u, enabled_attribs.size());
  60
  61   for (uint32 ii = 0; ii < kNumVertexAttribs; ii += kNumVertexAttribs - 1) {
  62     VertexAttrib* attrib = manager_->GetVertexAttrib(ii);
  63     ASSERT_TRUE(attrib != NULL);
  64     EXPECT_EQ(ii, attrib->index());
  65     EXPECT_TRUE(attrib->buffer() == NULL);
  66     EXPECT_EQ(0, attrib->offset());
  67     EXPECT_EQ(4, attrib->size());
  68     EXPECT_EQ(static_cast<GLenum>(GL_FLOAT), attrib->type());
  69     EXPECT_EQ(GL_FALSE, attrib->normalized());
  70     EXPECT_EQ(0, attrib->gl_stride());
  71     EXPECT_FALSE(attrib->enabled());
  72     manager_->Enable(ii, true);
  73     EXPECT_TRUE(attrib->enabled());
  74   }
  75 }
  76
  77 TEST_F(VertexAttribManagerTest, Enable) {
  78   const VertexAttribManager::VertexAttribList& enabled_attribs =
  79       manager_->GetEnabledVertexAttribs();
  80
  81   VertexAttrib* attrib1 = manager_->GetVertexAttrib(1);
  82   VertexAttrib* attrib2 = manager_->GetVertexAttrib(3);
  83
  84   manager_->Enable(1, true);
  85   ASSERT_EQ(1u, enabled_attribs.size());
  86   EXPECT_TRUE(attrib1->enabled());
  87   manager_->Enable(3, true);
  88   ASSERT_EQ(2u, enabled_attribs.size());
  89   EXPECT_TRUE(attrib2->enabled());
  90
  91   manager_->Enable(1, false);
  92   ASSERT_EQ(1u, enabled_attribs.size());
  93   EXPECT_FALSE(attrib1->enabled());
  94
  95   manager_->Enable(3, false);
  96   ASSERT_EQ(0u, enabled_attribs.size());
  97   EXPECT_FALSE(attrib2->enabled());
  98 }
  99
 100 TEST_F(VertexAttribManagerTest, SetAttribInfo) {
 101   BufferManager buffer_manager(NULL, NULL);
 102   buffer_manager.CreateBuffer(1, 2);
 103   Buffer* buffer = buffer_manager.GetBuffer(1);
 104   ASSERT_TRUE(buffer != NULL);
 105
 106   VertexAttrib* attrib = manager_->GetVertexAttrib(1);
 107
 108   manager_->SetAttribInfo(1, buffer, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
 109
 110   EXPECT_EQ(buffer, attrib->buffer());
 111   EXPECT_EQ(4, attrib->offset());
 112   EXPECT_EQ(3, attrib->size());
 113   EXPECT_EQ(static_cast<GLenum>(GL_SHORT), attrib->type());
 114   EXPECT_EQ(GL_TRUE, attrib->normalized());
 115   EXPECT_EQ(32, attrib->gl_stride());
 116
 117   // The VertexAttribManager must be destroyed before the BufferManager
 118   // so it releases its buffers.
 119   manager_ = NULL;
 120   buffer_manager.Destroy(false);
 121 }
 122
 123 TEST_F(VertexAttribManagerTest, HaveFixedAttribs) {
 124   EXPECT_FALSE(manager_->HaveFixedAttribs());
 125   manager_->SetAttribInfo(1, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
 126   EXPECT_TRUE(manager_->HaveFixedAttribs());
 127   manager_->SetAttribInfo(3, NULL, 4, GL_FIXED, GL_FALSE, 0, 16, 0);
 128   EXPECT_TRUE(manager_->HaveFixedAttribs());
 129   manager_->SetAttribInfo(1, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
 130   EXPECT_TRUE(manager_->HaveFixedAttribs());
 131   manager_->SetAttribInfo(3, NULL, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
 132   EXPECT_FALSE(manager_->HaveFixedAttribs());
 133 }
 134
 135 TEST_F(VertexAttribManagerTest, CanAccess) {
 136   MockErrorState error_state;
 137   BufferManager buffer_manager(NULL, NULL);
 138   buffer_manager.CreateBuffer(1, 2);
 139   Buffer* buffer = buffer_manager.GetBuffer(1);
 140   ASSERT_TRUE(buffer != NULL);
 141
 142   VertexAttrib* attrib = manager_->GetVertexAttrib(1);
 143
 144   EXPECT_TRUE(attrib->CanAccess(0));
 145   manager_->Enable(1, true);
 146   EXPECT_FALSE(attrib->CanAccess(0));
 147
 148   manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
 149   EXPECT_FALSE(attrib->CanAccess(0));
 150
 151   EXPECT_TRUE(buffer_manager.SetTarget(buffer, GL_ARRAY_BUFFER));
 152   TestHelper::DoBufferData(
 153       gl_.get(), &error_state, &buffer_manager, buffer, 15, GL_STATIC_DRAW,
 154       NULL, GL_NO_ERROR);
 155
 156   EXPECT_FALSE(attrib->CanAccess(0));
 157   TestHelper::DoBufferData(
 158       gl_.get(), &error_state, &buffer_manager, buffer, 16, GL_STATIC_DRAW,
 159       NULL, GL_NO_ERROR);
 160   EXPECT_TRUE(attrib->CanAccess(0));
 161   EXPECT_FALSE(attrib->CanAccess(1));
 162
 163   manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 1);
 164   EXPECT_FALSE(attrib->CanAccess(0));
 165
 166   TestHelper::DoBufferData(
 167       gl_.get(), &error_state, &buffer_manager, buffer, 32, GL_STATIC_DRAW,
 168       NULL, GL_NO_ERROR);
 169   EXPECT_TRUE(attrib->CanAccess(0));
 170   EXPECT_FALSE(attrib->CanAccess(1));
 171   manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 16, 0);
 172   EXPECT_TRUE(attrib->CanAccess(1));
 173   manager_->SetAttribInfo(1, buffer, 4, GL_FLOAT, GL_FALSE, 0, 20, 0);
 174   EXPECT_TRUE(attrib->CanAccess(0));
 175   EXPECT_FALSE(attrib->CanAccess(1));
 176
 177   // The VertexAttribManager must be destroyed before the BufferManager
 178   // so it releases its buffers.
 179   manager_ = NULL;
 180   buffer_manager.Destroy(false);
 181 }
 182
 183 TEST_F(VertexAttribManagerTest, Unbind) {
 184   BufferManager buffer_manager(NULL, NULL);
 185   buffer_manager.CreateBuffer(1, 2);
 186   buffer_manager.CreateBuffer(3, 4);
 187   Buffer* buffer1 = buffer_manager.GetBuffer(1);
 188   Buffer* buffer2 = buffer_manager.GetBuffer(3);
 189   ASSERT_TRUE(buffer1 != NULL);
 190   ASSERT_TRUE(buffer2 != NULL);
 191
 192   VertexAttrib* attrib1 = manager_->GetVertexAttrib(1);
 193   VertexAttrib* attrib3 = manager_->GetVertexAttrib(3);
 194
 195   // Attach to 2 buffers.
 196   manager_->SetAttribInfo(1, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
 197   manager_->SetAttribInfo(3, buffer1, 3, GL_SHORT, GL_TRUE, 32, 32, 4);
 198   // Check they were attached.
 199   EXPECT_EQ(buffer1, attrib1->buffer());
 200   EXPECT_EQ(buffer1, attrib3->buffer());
 201   // Unbind unattached buffer.
 202   manager_->Unbind(buffer2);
 203   // Should be no-op.
 204   EXPECT_EQ(buffer1, attrib1->buffer());
 205   EXPECT_EQ(buffer1, attrib3->buffer());
 206   // Unbind buffer.
 207   manager_->Unbind(buffer1);
 208   // Check they were detached
 209   EXPECT_TRUE(NULL == attrib1->buffer());
 210   EXPECT_TRUE(NULL == attrib3->buffer());
 211
 212   // The VertexAttribManager must be destroyed before the BufferManager
 213   // so it releases its buffers.
 214   manager_ = NULL;
 215   buffer_manager.Destroy(false);
 216 }
 217
 218 // TODO(gman): Test ValidateBindings
 219 // TODO(gman): Test ValidateBindings with client side arrays.
 220
 221 }  // namespace gles2
 222 }  // namespace gpu
 223
 224