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 kMaxRectangleTextureSize = 64;
  42   static const GLint kNumVertexAttribs = 16;
  43   static const GLint kNumTextureUnits = 8;
  44   static const GLint kMaxTextureImageUnits = 8;
  45   static const GLint kMaxVertexTextureImageUnits = 2;
  46   static const GLint kMaxFragmentUniformVectors = 16;
  47   static const GLint kMaxFragmentUniformComponents =
  48       kMaxFragmentUniformVectors * 4;
  49   static const GLint kMaxVaryingVectors = 8;
  50   static const GLint kMaxVaryingFloats = kMaxVaryingVectors * 4;
  51   static const GLint kMaxVertexUniformVectors = 128;
  52   static const GLint kMaxVertexUniformComponents = kMaxVertexUniformVectors * 4;
  53
  54   struct AttribInfo {
  55     const char* name;
  56     GLint size;
  57     GLenum type;
  58     GLint location;
  59   };
  60
  61   struct UniformInfo {
  62     const char* name;
  63     GLint size;
  64     GLenum type;
  65     GLint fake_location;
  66     GLint real_location;
  67     GLint desired_location;
  68     const char* good_name;
  69   };
  70
  71   static void SetupContextGroupInitExpectations(
  72       ::gfx::MockGLInterface* gl,
  73       const DisallowedFeatures& disallowed_features,
  74       const char* extensions,
  75       const char* gl_version,
  76       bool bind_generates_resource);
  77   static void SetupFeatureInfoInitExpectations(
  78       ::gfx::MockGLInterface* gl, const char* extensions);
  79   static void SetupFeatureInfoInitExpectationsWithGLVersion(
  80       ::gfx::MockGLInterface* gl,
  81       const char* extensions,
  82       const char* gl_renderer,
  83       const char* gl_version);
  84   static void SetupTextureManagerInitExpectations(::gfx::MockGLInterface* gl,
  85                                                   const char* extensions,
  86                                                   bool use_default_textures);
  87   static void SetupTextureManagerDestructionExpectations(
  88       ::gfx::MockGLInterface* gl,
  89       const char* extensions,
  90       bool use_default_textures);
  91
  92   static void SetupExpectationsForClearingUniforms(
  93       ::gfx::MockGLInterface* gl, UniformInfo* uniforms, size_t num_uniforms);
  94
  95   static void SetupShader(
  96       ::gfx::MockGLInterface* gl,
  97       AttribInfo* attribs, size_t num_attribs,
  98       UniformInfo* uniforms, size_t num_uniforms,
  99       GLuint service_id);
 100
 101   static void SetupProgramSuccessExpectations(::gfx::MockGLInterface* gl,
 102       AttribInfo* attribs, size_t num_attribs,
 103       UniformInfo* uniforms, size_t num_uniforms,
 104       GLuint service_id);
 105
 106   static void DoBufferData(
 107       ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 108       BufferManager* manager, Buffer* buffer, GLsizeiptr size, GLenum usage,
 109       const GLvoid* data, GLenum error);
 110
 111   static void SetTexParameteriWithExpectations(
 112       ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 113       TextureManager* manager, TextureRef* texture_ref,
 114       GLenum pname, GLint value, GLenum error);
 115
 116   static void SetShaderStates(
 117       ::gfx::MockGLInterface* gl, Shader* shader,
 118       bool expected_valid,
 119       const std::string* const expected_log_info,
 120       const std::string* const expected_translated_source,
 121       const AttributeMap* const expected_attrib_map,
 122       const UniformMap* const expected_uniform_map,
 123       const VaryingMap* const expected_varying_map,
 124       const NameMap* const expected_name_map);
 125
 126   static void SetShaderStates(
 127       ::gfx::MockGLInterface* gl, Shader* shader, bool valid);
 128
 129   static sh::Attribute ConstructAttribute(
 130       GLenum type, GLint array_size, GLenum precision,
 131       bool static_use, const std::string& name);
 132   static sh::Uniform ConstructUniform(
 133       GLenum type, GLint array_size, GLenum precision,
 134       bool static_use, const std::string& name);
 135   static sh::Varying ConstructVarying(
 136       GLenum type, GLint array_size, GLenum precision,
 137       bool static_use, const std::string& name);
 138
 139  private:
 140   static void SetupTextureInitializationExpectations(::gfx::MockGLInterface* gl,
 141                                                      GLenum target,
 142                                                      bool use_default_textures);
 143   static void SetupTextureDestructionExpectations(::gfx::MockGLInterface* gl,
 144                                                   GLenum target,
 145                                                   bool use_default_textures);
 146
 147   static std::vector<std::string> split_extensions_;
 148 };
 149
 150 // This object temporaritly Sets what gfx::GetGLImplementation returns. During
 151 // testing the GLImplementation is set to kGLImplemenationMockGL but lots of
 152 // code branches based on what gfx::GetGLImplementation returns.
 153 class ScopedGLImplementationSetter {
 154  public:
 155   explicit ScopedGLImplementationSetter(gfx::GLImplementation implementation);
 156   ~ScopedGLImplementationSetter();
 157
 158  private:
 159   gfx::GLImplementation old_implementation_;
 160 };
 161
 162 }  // namespace gles2
 163 }  // namespace gpu
 164
 165 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEST_HELPER_H_
 166