gpu/command_buffer/service/test_helper.h

   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 #ifndef GPU_COMMAND_BUFFER_SERVICE_TEST_HELPER_H_
   6 #define GPU_COMMAND_BUFFER_SERVICE_TEST_HELPER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "gpu/command_buffer/service/shader_translator.h"
  12 #include "ui/gl/gl_implementation.h"
  13 #include "ui/gl/gl_mock.h"
  14
  15 namespace gpu {
  16 namespace gles2 {
  17
  18 struct DisallowedFeatures;
  19 class Buffer;
  20 class BufferManager;
  21 class MockErrorState;
  22 class Shader;
  23 class TextureRef;
  24 class TextureManager;
  25
  26 class TestHelper {
  27  public:
  28   static const GLuint kServiceBlackTexture2dId = 701;
  29   static const GLuint kServiceDefaultTexture2dId = 702;
  30   static const GLuint kServiceBlackTextureCubemapId = 703;
  31   static const GLuint kServiceDefaultTextureCubemapId = 704;
  32   static const GLuint kServiceBlackExternalTextureId = 705;
  33   static const GLuint kServiceDefaultExternalTextureId = 706;
  34   static const GLuint kServiceBlackRectangleTextureId = 707;
  35   static const GLuint kServiceDefaultRectangleTextureId = 708;
  36
  37   static const GLint kMaxSamples = 4;
  38   static const GLint kMaxRenderbufferSize = 1024;
  39   static const GLint kMaxTextureSize = 2048;
  40   static const GLint kMaxCubeMapTextureSize = 256;
  41   static const GLint kMax3DTextureSize = 256;
  42   static const GLint kMaxRectangleTextureSize = 64;
  43   static const GLint kNumVertexAttribs = 16;
  44   static const GLint kNumTextureUnits = 8;
  45   static const GLint kMaxTextureImageUnits = 8;
  46   static const GLint kMaxVertexTextureImageUnits = 2;
  47   static const GLint kMaxFragmentUniformVectors = 16;
  48   static const GLint kMaxFragmentUniformComponents =
  49       kMaxFragmentUniformVectors * 4;
  50   static const GLint kMaxVaryingVectors = 8;
  51   static const GLint kMaxVaryingFloats = kMaxVaryingVectors * 4;
  52   static const GLint kMaxVertexUniformVectors = 128;
  53   static const GLint kMaxVertexUniformComponents = kMaxVertexUniformVectors * 4;
  54
  55   struct AttribInfo {
  56     const char* name;
  57     GLint size;
  58     GLenum type;
  59     GLint location;
  60   };
  61
  62   struct UniformInfo {
  63     const char* name;
  64     GLint size;
  65     GLenum type;
  66     GLint fake_location;
  67     GLint real_location;
  68     GLint desired_location;
  69     const char* good_name;
  70   };
  71
  72   static void SetupContextGroupInitExpectations(
  73       ::gfx::MockGLInterface* gl,
  74       const DisallowedFeatures& disallowed_features,
  75       const char* extensions,
  76       const char* gl_version,
  77       bool bind_generates_resource);
  78   static void SetupFeatureInfoInitExpectations(
  79       ::gfx::MockGLInterface* gl, const char* extensions);
  80   static void SetupFeatureInfoInitExpectationsWithGLVersion(
  81       ::gfx::MockGLInterface* gl,
  82       const char* extensions,
  83       const char* gl_renderer,
  84       const char* gl_version);
  85   static void SetupTextureManagerInitExpectations(::gfx::MockGLInterface* gl,
  86                                                   const char* extensions,
  87                                                   bool use_default_textures);
  88   static void SetupTextureManagerDestructionExpectations(
  89       ::gfx::MockGLInterface* gl,
  90       const char* extensions,
  91       bool use_default_textures);
  92
  93   static void SetupExpectationsForClearingUniforms(
  94       ::gfx::MockGLInterface* gl, UniformInfo* uniforms, size_t num_uniforms);
  95
  96   static void SetupShader(
  97       ::gfx::MockGLInterface* gl,
  98       AttribInfo* attribs, size_t num_attribs,
  99       UniformInfo* uniforms, size_t num_uniforms,
 100       GLuint service_id);
 101
 102   static void SetupProgramSuccessExpectations(::gfx::MockGLInterface* gl,
 103       AttribInfo* attribs, size_t num_attribs,
 104       UniformInfo* uniforms, size_t num_uniforms,
 105       GLuint service_id);
 106
 107   static void DoBufferData(
 108       ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 109       BufferManager* manager, Buffer* buffer, GLenum target, GLsizeiptr size,
 110       GLenum usage, const GLvoid* data, GLenum error);
 111
 112   static void SetTexParameteriWithExpectations(
 113       ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 114       TextureManager* manager, TextureRef* texture_ref,
 115       GLenum pname, GLint value, GLenum error);
 116
 117   static void SetShaderStates(
 118       ::gfx::MockGLInterface* gl, Shader* shader,
 119       bool expected_valid,
 120       const std::string* const expected_log_info,
 121       const std::string* const expected_translated_source,
 122       const int* const expected_shader_version,
 123       const AttributeMap* const expected_attrib_map,
 124       const UniformMap* const expected_uniform_map,
 125       const VaryingMap* const expected_varying_map,
 126       const NameMap* const expected_name_map);
 127
 128   static void SetShaderStates(
 129       ::gfx::MockGLInterface* gl, Shader* shader, bool valid);
 130
 131   static sh::Attribute ConstructAttribute(
 132       GLenum type, GLint array_size, GLenum precision,
 133       bool static_use, const std::string& name);
 134   static sh::Uniform ConstructUniform(
 135       GLenum type, GLint array_size, GLenum precision,
 136       bool static_use, const std::string& name);
 137   static sh::Varying ConstructVarying(
 138       GLenum type, GLint array_size, GLenum precision,
 139       bool static_use, const std::string& name);
 140
 141  private:
 142   static void SetupTextureInitializationExpectations(::gfx::MockGLInterface* gl,
 143                                                      GLenum target,
 144                                                      bool use_default_textures);
 145   static void SetupTextureDestructionExpectations(::gfx::MockGLInterface* gl,
 146                                                   GLenum target,
 147                                                   bool use_default_textures);
 148
 149   static std::vector<std::string> split_extensions_;
 150 };
 151
 152 // This object temporaritly Sets what gfx::GetGLImplementation returns. During
 153 // testing the GLImplementation is set to kGLImplemenationMockGL but lots of
 154 // code branches based on what gfx::GetGLImplementation returns.
 155 class ScopedGLImplementationSetter {
 156  public:
 157   explicit ScopedGLImplementationSetter(gfx::GLImplementation implementation);
 158   ~ScopedGLImplementationSetter();
 159
 160  private:
 161   gfx::GLImplementation old_implementation_;
 162 };
 163
 164 }  // namespace gles2
 165 }  // namespace gpu
 166
 167 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEST_HELPER_H_
 168