Repo created

libs/drape/drape_tests/uniform_value_tests.cpp

@@ -0,0 +1,157 @@
+#include "testing/testing.hpp"
+
+#include "drape/drape_global.hpp"
+#include "drape/gl_gpu_program.hpp"
+#include "drape/uniform_value.hpp"
+
+#include "drape/drape_tests/gl_mock_functions.hpp"
+
+#include <cstring>
+#include <string>
+#include <utility>
+
+#include <gmock/gmock.h>
+
+using ::testing::_;
+using ::testing::AnyOf;
+using ::testing::IgnoreResult;
+using ::testing::InSequence;
+using ::testing::Invoke;
+using ::testing::Return;
+using namespace dp;
+
+namespace uniform_value_tests
+{
+template <typename T>
+class MemoryComparer
+{
+public:
+  MemoryComparer(T const * memory, uint32_t size) : m_result(false), m_memory(memory), m_size(size) {}
+
+  void Compare(int32_t id, T const * memory) { m_result = memcmp(m_memory, memory, m_size) == 0; }
+
+  bool GetResult() const { return m_result; }
+
+private:
+  bool m_result;
+  T const * m_memory;
+  uint32_t m_size;
+};
+
+void mock_glGetActiveUniform(uint32_t programID, uint32_t index, int32_t * size, glConst * type, std::string & name)
+{
+  *size = 1;
+  if (index < 9)
+  {
+    static std::pair<std::string, glConst> mockUniforms[9] = {
+        {"position0", gl_const::GLIntType},   {"position1", gl_const::GLIntVec2},
+        {"position2", gl_const::GLIntVec3},   {"position3", gl_const::GLIntVec4},
+        {"position4", gl_const::GLFloatType}, {"position5", gl_const::GLFloatVec2},
+        {"position6", gl_const::GLFloatVec3}, {"position7", gl_const::GLFloatVec4},
+        {"viewModel", gl_const::GLFloatMat4}};
+    name = mockUniforms[index].first;
+    *type = mockUniforms[index].second;
+  }
+  else
+  {
+    ASSERT(false, ("Undefined index:", index));
+  }
+}
+
+UNIT_TEST(UniformValueTest)
+{
+  uint32_t constexpr VertexShaderID = 1;
+  uint32_t constexpr FragmentShaderID = 2;
+  uint32_t constexpr ProgramID = 2;
+  int32_t constexpr positionLoc = 10;
+  int32_t constexpr modelViewLoc = 11;
+
+  float matrix[16] = {1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f};
+
+  MemoryComparer<float> comparer(matrix, 16 * sizeof(float));
+
+  {
+    InSequence seq;
+    EXPECTGL(glCreateShader(gl_const::GLVertexShader)).WillOnce(Return(VertexShaderID));
+    EXPECTGL(glShaderSource(VertexShaderID, _)).Times(1);
+    EXPECTGL(glCompileShader(VertexShaderID, _)).WillOnce(Return(true));
+    EXPECTGL(glCreateShader(gl_const::GLFragmentShader)).WillOnce(Return(FragmentShaderID));
+    EXPECTGL(glShaderSource(FragmentShaderID, _)).Times(1);
+    EXPECTGL(glCompileShader(FragmentShaderID, _)).WillOnce(Return(true));
+
+    EXPECTGL(glCreateProgram()).WillOnce(Return(ProgramID));
+    EXPECTGL(glAttachShader(ProgramID, VertexShaderID));
+    EXPECTGL(glAttachShader(ProgramID, FragmentShaderID));
+
+    EXPECTGL(glLinkProgram(ProgramID, _)).WillOnce(Return(true));
+
+    EXPECTGL(glGetProgramiv(ProgramID, gl_const::GLActiveUniforms)).WillOnce(Return(9));
+    for (int i = 0; i < 9; i++)
+    {
+      EXPECTGL(glGetActiveUniform(ProgramID, _, _, _, _)).WillOnce(Invoke(mock_glGetActiveUniform));
+      EXPECTGL(glGetUniformLocation(ProgramID, _)).WillOnce(Return(i == 8 ? modelViewLoc : positionLoc));
+    }
+
+    EXPECTGL(glDetachShader(ProgramID, VertexShaderID));
+    EXPECTGL(glDetachShader(ProgramID, FragmentShaderID));
+
+    EXPECTGL(glUseProgram(ProgramID));
+
+    EXPECTGL(glUniformValuei(positionLoc, 1));
+
+    EXPECTGL(glUniformValuei(positionLoc, 1, 2));
+
+    EXPECTGL(glUniformValuei(positionLoc, 1, 2, 3));
+
+    EXPECTGL(glUniformValuei(positionLoc, 1, 2, 3, 4));
+
+    EXPECTGL(glUniformValuef(positionLoc, 1.0f));
+
+    EXPECTGL(glUniformValuef(positionLoc, 1.0f, 2.0f));
+
+    EXPECTGL(glUniformValuef(positionLoc, 1.0f, 2.0f, 3.0f));
+
+    EXPECTGL(glUniformValuef(positionLoc, 1.0f, 2.0f, 3.0f, 4.0f));
+
+    EXPECTGL(glUniformMatrix4x4Value(modelViewLoc, _)).WillOnce(Invoke(&comparer, &MemoryComparer<float>::Compare));
+
+    EXPECTGL(glUseProgram(0));
+    EXPECTGL(glDeleteProgram(ProgramID));
+    EXPECTGL(glDeleteShader(AnyOf(VertexShaderID, FragmentShaderID))).Times(2);
+  }
+
+  drape_ptr<Shader> vs = make_unique_dp<Shader>("", "void main() { gl_Position = vec4(0.0, 0.0, 0.0, 1.0); }", "",
+                                                Shader::Type::VertexShader);
+
+  drape_ptr<Shader> fs = make_unique_dp<Shader>("", "void main() { gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0); }", "",
+                                                Shader::Type::FragmentShader);
+
+  drape_ptr<GLGpuProgram> program = make_unique_dp<GLGpuProgram>("", make_ref(vs), make_ref(fs));
+
+  program->Bind();
+
+  UniformValue::ApplyRaw(positionLoc, 1);
+
+  UniformValue::ApplyRaw(positionLoc, glsl::ivec2(1, 2));
+
+  UniformValue::ApplyRaw(positionLoc, glsl::ivec3(1, 2, 3));
+
+  UniformValue::ApplyRaw(positionLoc, glsl::ivec4(1, 2, 3, 4));
+
+  UniformValue::ApplyRaw(positionLoc, 1.0f);
+
+  UniformValue::ApplyRaw(positionLoc, glsl::vec2(1.0f, 2.0f));
+
+  UniformValue::ApplyRaw(positionLoc, glsl::vec3(1.0f, 2.0f, 3.0f));
+
+  UniformValue::ApplyRaw(positionLoc, glsl::vec4(1.0f, 2.0f, 3.0f, 4.0f));
+
+  UniformValue::ApplyRaw(modelViewLoc, glsl::make_mat4(matrix));
+
+  program->Unbind();
+
+  program.reset();
+  vs.reset();
+  fs.reset();
+}
+}  // namespace uniform_value_tests