--- /dev/null
+/*-------------------------------------------------------------------------
+ * Vulkan Conformance Tests
+ * ------------------------
+ *
+ * Copyright (c) 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *//*!
+ * \file
+ * \brief SPIR-V Assembly Tests for UBO matrix padding.
+ *//*--------------------------------------------------------------------*/
+
+#include "vktSpvAsmUboMatrixPaddingTests.hpp"
+#include "vktSpvAsmComputeShaderCase.hpp"
+#include "vktSpvAsmComputeShaderTestUtil.hpp"
+#include "vktSpvAsmGraphicsShaderTestUtil.hpp"
+
+namespace vkt
+{
+namespace SpirVAssembly
+{
+
+using namespace vk;
+using std::map;
+using std::string;
+using std::vector;
+using tcu::IVec3;
+using tcu::RGBA;
+using tcu::Vec4;
+
+namespace
+{
+
+void addComputeUboMatrixPaddingTest (tcu::TestCaseGroup* group)
+{
+ tcu::TestContext& testCtx = group->getTestContext();
+ de::Random rnd (deStringHash(group->getName()));
+ const int numElements = 128;
+
+ // Read input UBO containing and array of mat2x2 using no padding inside matrix. Output
+ // into output buffer containing floats. The input and output buffer data should match.
+ const string shaderSource =
+ " OpCapability Shader\n"
+ " %1 = OpExtInstImport \"GLSL.std.450\"\n"
+ " OpMemoryModel Logical GLSL450\n"
+ " OpEntryPoint GLCompute %main \"main\" %id\n"
+ " OpExecutionMode %main LocalSize 1 1 1\n"
+ " OpSource GLSL 430\n"
+ " OpDecorate %id BuiltIn GlobalInvocationId\n"
+ " OpDecorate %_arr_v4 ArrayStride 16\n"
+ " OpMemberDecorate %Output 0 Offset 0\n"
+ " OpDecorate %Output BufferBlock\n"
+ " OpDecorate %dataOutput DescriptorSet 0\n"
+ " OpDecorate %dataOutput Binding 1\n"
+ " OpDecorate %_arr_mat2v2 ArrayStride 16\n"
+ " OpMemberDecorate %Input 0 ColMajor\n"
+ " OpMemberDecorate %Input 0 Offset 0\n"
+ " OpMemberDecorate %Input 0 MatrixStride 8\n"
+ " OpDecorate %Input Block\n"
+ " OpDecorate %dataInput DescriptorSet 0\n"
+ " OpDecorate %dataInput Binding 0\n"
+ " %void = OpTypeVoid\n"
+ " %3 = OpTypeFunction %void\n"
+ " %u32 = OpTypeInt 32 0\n"
+ " %_ptr_Function_uint = OpTypePointer Function %u32\n"
+ " %v3uint = OpTypeVector %u32 3\n"
+ " %_ptr_Input_v3uint = OpTypePointer Input %v3uint\n"
+ " %id = OpVariable %_ptr_Input_v3uint Input\n"
+ " %i32 = OpTypeInt 32 1\n"
+ " %int_0 = OpConstant %i32 0\n"
+ " %int_1 = OpConstant %i32 1\n"
+ " %uint_0 = OpConstant %u32 0\n"
+ " %uint_1 = OpConstant %u32 1\n"
+ " %uint_2 = OpConstant %u32 2\n"
+ " %uint_3 = OpConstant %u32 3\n"
+ " %_ptr_Input_uint = OpTypePointer Input %u32\n"
+ " %f32 = OpTypeFloat 32\n"
+ " %v4float = OpTypeVector %f32 4\n"
+ " %uint_128 = OpConstant %u32 128\n"
+ " %_arr_v4 = OpTypeArray %v4float %uint_128\n"
+ " %Output = OpTypeStruct %_arr_v4\n"
+ "%_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
+ " %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
+ " %v2float = OpTypeVector %f32 2\n"
+ " %mat2v2float = OpTypeMatrix %v2float 2\n"
+ " %_arr_mat2v2 = OpTypeArray %mat2v2float %uint_128\n"
+ " %Input = OpTypeStruct %_arr_mat2v2\n"
+ " %_ptr_Uniform_Input = OpTypePointer Uniform %Input\n"
+ " %dataInput = OpVariable %_ptr_Uniform_Input Uniform\n"
+ " %_ptr_Uniform_float = OpTypePointer Uniform %f32\n"
+ " %main = OpFunction %void None %3\n"
+ " %5 = OpLabel\n"
+ " %i = OpVariable %_ptr_Function_uint Function\n"
+ " %14 = OpAccessChain %_ptr_Input_uint %id %uint_0\n"
+ " %15 = OpLoad %u32 %14\n"
+ " OpStore %i %15\n"
+ " %idx = OpLoad %u32 %i\n"
+ " %34 = OpAccessChain %_ptr_Uniform_float %dataInput %int_0 %idx %int_0 %uint_0\n"
+ " %35 = OpLoad %f32 %34\n"
+ " %36 = OpAccessChain %_ptr_Uniform_float %dataOutput %int_0 %idx %uint_0\n"
+ " OpStore %36 %35\n"
+ " %40 = OpAccessChain %_ptr_Uniform_float %dataInput %int_0 %idx %int_0 %uint_1\n"
+ " %41 = OpLoad %f32 %40\n"
+ " %42 = OpAccessChain %_ptr_Uniform_float %dataOutput %int_0 %idx %uint_1\n"
+ " OpStore %42 %41\n"
+ " %46 = OpAccessChain %_ptr_Uniform_float %dataInput %int_0 %idx %int_1 %uint_0\n"
+ " %47 = OpLoad %f32 %46\n"
+ " %49 = OpAccessChain %_ptr_Uniform_float %dataOutput %int_0 %idx %uint_2\n"
+ " OpStore %49 %47\n"
+ " %52 = OpAccessChain %_ptr_Uniform_float %dataInput %int_0 %idx %int_1 %uint_1\n"
+ " %53 = OpLoad %f32 %52\n"
+ " %55 = OpAccessChain %_ptr_Uniform_float %dataOutput %int_0 %idx %uint_3\n"
+ " OpStore %55 %53\n"
+ " OpReturn\n"
+ " OpFunctionEnd\n";
+
+ vector<tcu::Vec4> inputData;
+ ComputeShaderSpec spec;
+
+ inputData.reserve(numElements);
+ for (deUint32 numIdx = 0; numIdx < numElements; ++numIdx)
+ inputData.push_back(tcu::Vec4(rnd.getFloat(), rnd.getFloat(), rnd.getFloat(), rnd.getFloat()));
+
+ spec.assembly = shaderSource;
+ spec.numWorkGroups = IVec3(numElements, 1, 1);
+ spec.inputTypes[0] = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+
+ spec.inputs.push_back(BufferSp(new Vec4Buffer(inputData)));
+ // Shader is expected to pass the input data by treating the input vec4 as mat2x2
+ spec.outputs.push_back(BufferSp(new Vec4Buffer(inputData)));
+
+ group->addChild(new SpvAsmComputeShaderCase(testCtx, "mat2x2", "Tests mat2x2 member in UBO struct without padding (treated as vec4).", spec));
+ }
+}
+
+void addGraphicsUboMatrixPaddingTest (tcu::TestCaseGroup* group)
+{
+ de::Random rnd (deStringHash(group->getName()));
+ map<string, string> fragments;
+ const deUint32 numDataPoints = 128;
+ RGBA defaultColors[4];
+ GraphicsResources resources;
+ vector<tcu::Vec4> inputData;
+
+ inputData.reserve(numDataPoints);
+ for (deUint32 numIdx = 0; numIdx < numDataPoints; ++numIdx)
+ inputData.push_back(tcu::Vec4(rnd.getFloat(), rnd.getFloat(), rnd.getFloat(), rnd.getFloat()));
+
+ resources.inputs.push_back(std::make_pair(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, BufferSp(new Vec4Buffer(inputData))));
+ // Shader is expected to pass the input data by treating the input vec4 as mat2x2
+ resources.outputs.push_back(std::make_pair(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, BufferSp(new Vec4Buffer(inputData))));
+
+ getDefaultColors(defaultColors);
+
+ fragments["pre_main"] =
+ " %uint_128 = OpConstant %u32 128\n"
+ " %_arr_v4f_uint_128 = OpTypeArray %v4f32 %uint_128\n"
+ " %Output = OpTypeStruct %_arr_v4f_uint_128\n"
+ " %_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
+ " %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
+ " %mat2v2f = OpTypeMatrix %v2f32 2\n"
+ "%_arr_mat2v2f_uint_128 = OpTypeArray %mat2v2f %uint_128\n"
+ " %Input = OpTypeStruct %_arr_mat2v2f_uint_128\n"
+ " %_ptr_Uniform_Input = OpTypePointer Uniform %Input\n"
+ " %dataInput = OpVariable %_ptr_Uniform_Input Uniform\n"
+ " %_ptr_Uniform_f = OpTypePointer Uniform %f32\n"
+ " %c_i32_128 = OpConstant %i32 128\n";
+
+ fragments["decoration"] =
+ " OpDecorate %_arr_v4f_uint_128 ArrayStride 16\n"
+ " OpMemberDecorate %Output 0 Offset 0\n"
+ " OpDecorate %Output BufferBlock\n"
+ " OpDecorate %dataOutput DescriptorSet 0\n"
+ " OpDecorate %dataOutput Binding 1\n"
+ " OpDecorate %_arr_mat2v2f_uint_128 ArrayStride 16\n"
+ " OpMemberDecorate %Input 0 ColMajor\n"
+ " OpMemberDecorate %Input 0 Offset 0\n"
+ " OpMemberDecorate %Input 0 MatrixStride 8\n"
+ " OpDecorate %Input Block\n"
+ " OpDecorate %dataInput DescriptorSet 0\n"
+ " OpDecorate %dataInput Binding 0\n";
+
+ // Read input UBO containing and array of mat2x2 using no padding inside matrix. Output
+ // into output buffer containing floats. The input and output buffer data should match.
+ // The whole array is handled inside a for loop.
+ fragments["testfun"] =
+ " %test_code = OpFunction %v4f32 None %v4f32_function\n"
+ " %param = OpFunctionParameter %v4f32\n"
+
+ " %entry = OpLabel\n"
+ " %i = OpVariable %fp_i32 Function\n"
+ " OpStore %i %c_i32_0\n"
+ " OpBranch %loop\n"
+
+ " %loop = OpLabel\n"
+ " %15 = OpLoad %i32 %i\n"
+ " %lt = OpSLessThan %bool %15 %c_i32_128\n"
+ " OpLoopMerge %merge %inc None\n"
+ " OpBranchConditional %lt %write %merge\n"
+
+ " %write = OpLabel\n"
+ " %30 = OpLoad %i32 %i\n"
+ " %34 = OpAccessChain %_ptr_Uniform_f %dataInput %c_i32_0 %30 %c_i32_0 %c_u32_0\n"
+ " %35 = OpLoad %f32 %34\n"
+ " %36 = OpAccessChain %_ptr_Uniform_f %dataOutput %c_i32_0 %30 %c_u32_0\n"
+ " OpStore %36 %35\n"
+ " %40 = OpAccessChain %_ptr_Uniform_f %dataInput %c_i32_0 %30 %c_i32_0 %c_u32_1\n"
+ " %41 = OpLoad %f32 %40\n"
+ " %42 = OpAccessChain %_ptr_Uniform_f %dataOutput %c_i32_0 %30 %c_u32_1\n"
+ " OpStore %42 %41\n"
+ " %46 = OpAccessChain %_ptr_Uniform_f %dataInput %c_i32_0 %30 %c_i32_1 %c_u32_0\n"
+ " %47 = OpLoad %f32 %46\n"
+ " %49 = OpAccessChain %_ptr_Uniform_f %dataOutput %c_i32_0 %30 %c_u32_2\n"
+ " OpStore %49 %47\n"
+ " %52 = OpAccessChain %_ptr_Uniform_f %dataInput %c_i32_0 %30 %c_i32_1 %c_u32_1\n"
+ " %53 = OpLoad %f32 %52\n"
+ " %55 = OpAccessChain %_ptr_Uniform_f %dataOutput %c_i32_0 %30 %c_u32_3\n"
+ " OpStore %55 %53\n"
+ " OpBranch %inc\n"
+
+ " %inc = OpLabel\n"
+ " %37 = OpLoad %i32 %i\n"
+ " %39 = OpIAdd %i32 %37 %c_i32_1\n"
+ " OpStore %i %39\n"
+ " OpBranch %loop\n"
+
+ " %merge = OpLabel\n"
+ " OpReturnValue %param\n"
+
+ " OpFunctionEnd\n";
+
+ resources.inputs.back().first = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+
+ createTestsForAllStages("mat2x2", defaultColors, defaultColors, fragments, resources, vector<string>(), group);
+}
+
+tcu::TestCaseGroup* createUboMatrixPaddingComputeGroup (tcu::TestContext& testCtx)
+{
+ de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "ubo_padding", "Compute tests for UBO struct member packing."));
+ addComputeUboMatrixPaddingTest(group.get());
+
+ return group.release();
+}
+
+tcu::TestCaseGroup* createUboMatrixPaddingGraphicsGroup (tcu::TestContext& testCtx)
+{
+ de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "ubo_padding", "Graphics tests for UBO struct member packing."));
+ addGraphicsUboMatrixPaddingTest(group.get());
+
+ return group.release();
+}
+
+} // SpirVAssembly
+} // vkt
projects / platform / upstream / VK-GL-CTS.git / commitdiff