88TEST(ShaderBundleTest, ParseShaderBundleConfigReturnsExpectedConfig) {
91 std::stringstream
error;
93 ASSERT_TRUE(
result.has_value());
94 ASSERT_STREQ(
error.str().c_str(),
"");
97 auto maybe_vertex =
result->find(
"UnlitVertex");
98 auto maybe_fragment =
result->find(
"UnlitFragment");
99 ASSERT_TRUE(maybe_vertex !=
result->end());
100 ASSERT_TRUE(maybe_fragment !=
result->end());
101 auto vertex = maybe_vertex->second;
102 auto fragment = maybe_fragment->second;
107 EXPECT_STREQ(vertex.entry_point.c_str(),
"main");
108 EXPECT_STREQ(vertex.source_file_name.c_str(),
109 "shaders/flutter_gpu_unlit.vert");
113 EXPECT_STREQ(fragment.entry_point.c_str(),
"main");
114 EXPECT_STREQ(fragment.source_file_name.c_str(),
115 "shaders/flutter_gpu_unlit.frag");
130TEST(ShaderBundleTest, GenerateShaderBundleFlatbufferProducesCorrectResult) {
133 "{\"UnlitFragment\": {\"type\": \"fragment\", \"file\": \"" +
135 "/flutter_gpu_unlit.frag\"}, \"UnlitVertex\": {\"type\": "
136 "\"vertex\", \"file\": \"" +
137 fixtures_path +
"/flutter_gpu_unlit.vert\"}}";
143 std::optional<fb::shaderbundle::ShaderBundleT> bundle =
145 ASSERT_TRUE(bundle.has_value());
148 const auto& shaders = bundle->shaders;
149 const auto* vertex =
FindByName(shaders,
"UnlitVertex");
150 const auto* fragment =
FindByName(shaders,
"UnlitFragment");
151 ASSERT_NE(vertex,
nullptr);
152 ASSERT_NE(fragment,
nullptr);
158 EXPECT_STREQ(vertex->metal_desktop->entrypoint.c_str(),
159 "flutter_gpu_unlit_vertex_main");
160 EXPECT_EQ(vertex->metal_desktop->stage,
161 fb::shaderbundle::ShaderStage::kVertex);
164 ASSERT_EQ(vertex->metal_desktop->inputs.size(), 1u);
165 const auto& v_in_position = vertex->metal_desktop->inputs[0];
166 EXPECT_STREQ(v_in_position->name.c_str(),
"position");
167 EXPECT_EQ(v_in_position->location, 0u);
168 EXPECT_EQ(v_in_position->set, 0u);
169 EXPECT_EQ(v_in_position->binding, 0u);
170 EXPECT_EQ(v_in_position->type, fb::shaderbundle::InputDataType::kFloat);
171 EXPECT_EQ(v_in_position->bit_width, 32u);
172 EXPECT_EQ(v_in_position->vec_size, 2u);
173 EXPECT_EQ(v_in_position->columns, 1u);
174 EXPECT_EQ(v_in_position->offset, 0u);
177 ASSERT_EQ(vertex->metal_desktop->uniform_structs.size(), 1u);
178 const auto* vert_info =
179 FindByName(vertex->metal_desktop->uniform_structs,
"VertInfo");
180 ASSERT_NE(vert_info,
nullptr);
181 EXPECT_EQ(vert_info->ext_res_0, 0u);
182 EXPECT_EQ(vert_info->set, 0u);
183 EXPECT_EQ(vert_info->binding, 0u);
184 ASSERT_EQ(vert_info->fields.size(), 2u);
185 const auto& mvp = vert_info->fields[0];
186 EXPECT_STREQ(mvp->name.c_str(),
"mvp");
187 EXPECT_EQ(mvp->type, fb::shaderbundle::UniformDataType::kFloat);
188 EXPECT_EQ(mvp->offset_in_bytes, 0u);
189 EXPECT_EQ(mvp->element_size_in_bytes, 64u);
190 EXPECT_EQ(mvp->total_size_in_bytes, 64u);
191 EXPECT_EQ(mvp->array_elements, 0u);
192 const auto&
color = vert_info->fields[1];
193 EXPECT_STREQ(
color->name.c_str(),
"color");
194 EXPECT_EQ(
color->type, fb::shaderbundle::UniformDataType::kFloat);
195 EXPECT_EQ(
color->offset_in_bytes, 64u);
196 EXPECT_EQ(
color->element_size_in_bytes, 16u);
197 EXPECT_EQ(
color->total_size_in_bytes, 16u);
198 EXPECT_EQ(
color->array_elements, 0u);
204 EXPECT_STREQ(fragment->metal_desktop->entrypoint.c_str(),
205 "flutter_gpu_unlit_fragment_main");
206 EXPECT_EQ(fragment->metal_desktop->stage,
207 fb::shaderbundle::ShaderStage::kFragment);
210 ASSERT_EQ(fragment->metal_desktop->inputs.size(), 0u);
213 ASSERT_EQ(fragment->metal_desktop->inputs.size(), 0u);
const uint8_t uint32_t uint32_t GError ** error