--- /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 OpBranchConditional instruction.
+ *//*--------------------------------------------------------------------*/
+
+#include "vktSpvAsmConditionalBranchTests.hpp"
+#include "vktSpvAsmComputeShaderCase.hpp"
+#include "vktSpvAsmComputeShaderTestUtil.hpp"
+#include "vktSpvAsmGraphicsShaderTestUtil.hpp"
+
+#include "tcuStringTemplate.hpp"
+
+namespace vkt
+{
+namespace SpirVAssembly
+{
+
+using namespace vk;
+using std::map;
+using std::string;
+using std::vector;
+using tcu::RGBA;
+using tcu::IVec3;
+using tcu::StringTemplate;
+
+namespace
+{
+
+static const string conditions[] = { "true", "false" };
+
+void addComputeSameLabelsTest (tcu::TestCaseGroup* group)
+{
+ tcu::TestContext& testCtx = group->getTestContext();
+ const int numItems = 128;
+ vector<deUint32> outputData;
+
+ outputData.reserve(numItems);
+ for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
+ outputData.push_back(numIdx);
+
+ for (int conditionIdx = 0; conditionIdx < DE_LENGTH_OF_ARRAY(conditions); ++conditionIdx)
+ {
+ ComputeShaderSpec spec;
+ map<string, string> specs;
+ string testName = string("same_labels_") + conditions[conditionIdx];
+
+ const StringTemplate shaderSource (
+ " OpCapability Shader\n"
+ " %1 = OpExtInstImport \"GLSL.std.450\"\n"
+ " OpMemoryModel Logical GLSL450\n"
+ " OpEntryPoint GLCompute %main \"main\" %gl_GlobalInvocationID\n"
+ " OpExecutionMode %main LocalSize 1 1 1\n"
+ " OpSource GLSL 430\n"
+ " OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId\n"
+ " OpDecorate %_arr_uint_uint_128 ArrayStride 4\n"
+ " OpMemberDecorate %Output 0 Offset 0\n"
+ " OpDecorate %Output BufferBlock\n"
+ " OpDecorate %dataOutput DescriptorSet 0\n"
+ " OpDecorate %dataOutput Binding 0\n"
+ " %void = OpTypeVoid\n"
+ " %3 = OpTypeFunction %void\n"
+ " %uint = OpTypeInt 32 0\n"
+ " %_ptr_Function_uint = OpTypePointer Function %uint\n"
+ " %v3uint = OpTypeVector %uint 3\n"
+ " %_ptr_Input_v3uint = OpTypePointer Input %v3uint\n"
+ "%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input\n"
+ " %uint_0 = OpConstant %uint 0\n"
+ " %_ptr_Input_uint = OpTypePointer Input %uint\n"
+ " %bool = OpTypeBool\n"
+ " %true = OpConstantTrue %bool\n"
+ " %false = OpConstantFalse %bool\n"
+ " %uint_128 = OpConstant %uint 128\n"
+ " %_arr_uint_uint_128 = OpTypeArray %uint %uint_128\n"
+ " %Output = OpTypeStruct %_arr_uint_uint_128\n"
+ " %_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
+ " %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
+ " %_ptr_Uniform_uint = OpTypePointer Uniform %uint\n"
+ " %uint_dummy = OpConstant %uint 2863311530\n"
+ " %main = OpFunction %void None %3\n"
+ " %5 = OpLabel\n"
+ " %i = OpVariable %_ptr_Function_uint Function\n"
+ " %14 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %uint_0\n"
+ " %15 = OpLoad %uint %14\n"
+ " OpStore %i %15\n"
+ " %uint_i = OpLoad %uint %i\n"
+ " OpSelectionMerge %merge None\n"
+ " OpBranchConditional %${condition} %live %live\n"
+ " %live = OpLabel\n"
+ " %31 = OpAccessChain %_ptr_Uniform_uint %dataOutput %uint_0 %uint_i\n"
+ " OpStore %31 %uint_i\n"
+ " OpBranch %merge\n"
+ " %dead = OpLabel\n"
+ " %35 = OpAccessChain %_ptr_Uniform_uint %dataOutput %uint_0 %uint_i\n"
+ " OpStore %35 %uint_dummy\n"
+ " OpBranch %merge\n"
+ " %merge = OpLabel\n"
+ " OpReturn\n"
+ " OpFunctionEnd\n");
+
+ specs["condition"] = conditions[conditionIdx];
+ spec.assembly = shaderSource.specialize(specs);
+ spec.numWorkGroups = IVec3(numItems, 1, 1);
+
+ spec.outputs.push_back(BufferSp(new Buffer<deUint32>(outputData)));
+
+ group->addChild(new SpvAsmComputeShaderCase(testCtx, testName.c_str(), "Tests both labels pointing to a same branch.", spec));
+ }
+}
+
+void addGraphicsSameLabelsTest (tcu::TestCaseGroup* group)
+{
+ const deUint32 numItems = 128;
+ RGBA defaultColors[4];
+ GraphicsResources resources;
+ vector<deUint32> outputData;
+
+ outputData.reserve(numItems);
+ for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
+ outputData.push_back(numIdx);
+
+ resources.outputs.push_back(std::make_pair(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, BufferSp(new Buffer<deUint32>(outputData))));
+
+ getDefaultColors(defaultColors);
+
+ for (int conditionIdx = 0; conditionIdx < DE_LENGTH_OF_ARRAY(conditions); ++conditionIdx)
+ {
+ map<string, string> fragments;
+ map<string, string> specs;
+ string testName = string("same_labels_") + conditions[conditionIdx];
+
+ fragments["pre_main"] =
+ " %c_u32_128 = OpConstant %u32 128\n"
+ " %3 = OpTypeFunction %void\n"
+ " %true = OpConstantTrue %bool\n"
+ " %false = OpConstantFalse %bool\n"
+ " %_arr_uint_uint_128 = OpTypeArray %u32 %c_u32_128\n"
+ " %Output = OpTypeStruct %_arr_uint_uint_128\n"
+ "%_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
+ " %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
+ " %_ptr_Uniform_uint = OpTypePointer Uniform %u32\n"
+ " %fp_u32 = OpTypePointer Function %u32\n"
+ " %uint_dummy = OpConstant %u32 2863311530\n";
+
+ fragments["decoration"] =
+ " OpDecorate %_arr_uint_uint_128 ArrayStride 4\n"
+ " OpMemberDecorate %Output 0 Offset 0\n"
+ " OpDecorate %Output BufferBlock\n"
+ " OpDecorate %dataOutput DescriptorSet 0\n"
+ " OpDecorate %dataOutput Binding 0\n";
+
+ const StringTemplate testFun (
+ " %test_code = OpFunction %v4f32 None %v4f32_function\n"
+ " %param = OpFunctionParameter %v4f32\n"
+
+ " %entry = OpLabel\n"
+ " %i = OpVariable %fp_u32 Function\n"
+ " OpStore %i %c_u32_0\n"
+ " OpBranch %loop\n"
+
+ " %loop = OpLabel\n"
+ " %15 = OpLoad %u32 %i\n"
+ " %lt = OpSLessThan %bool %15 %c_u32_128\n"
+ " OpLoopMerge %merge %inc None\n"
+ " OpBranchConditional %lt %write %merge\n"
+
+ " %write = OpLabel\n"
+ " %uint_i = OpLoad %u32 %i\n"
+ " OpSelectionMerge %condmerge None\n"
+ " OpBranchConditional %${condition} %live %live\n"
+ " %live = OpLabel\n"
+ " %31 = OpAccessChain %_ptr_Uniform_uint %dataOutput %c_u32_0 %uint_i\n"
+ " OpStore %31 %uint_i\n"
+ " OpBranch %condmerge\n"
+ " %dead = OpLabel\n"
+ " %35 = OpAccessChain %_ptr_Uniform_uint %dataOutput %c_u32_0 %uint_i\n"
+ " OpStore %35 %uint_dummy\n"
+ " OpBranch %condmerge\n"
+ " %condmerge = OpLabel\n"
+ " OpBranch %inc\n"
+
+ " %inc = OpLabel\n"
+ " %37 = OpLoad %u32 %i\n"
+ " %39 = OpIAdd %u32 %37 %c_u32_1\n"
+ " OpStore %i %39\n"
+ " OpBranch %loop\n"
+
+ " %merge = OpLabel\n"
+ " OpReturnValue %param\n"
+
+ " OpFunctionEnd\n");
+
+ specs["condition"] = conditions[conditionIdx];
+ fragments["testfun"] = testFun.specialize(specs);
+
+ createTestsForAllStages(testName.c_str(), defaultColors, defaultColors, fragments, resources, vector<string>(), group);
+ }
+}
+
+} // anonymous
+
+tcu::TestCaseGroup* createConditionalBranchComputeGroup (tcu::TestContext& testCtx)
+{
+ de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "conditional_branch", "Compute tests for OpBranchConditional."));
+ addComputeSameLabelsTest(group.get());
+
+ return group.release();
+}
+
+tcu::TestCaseGroup* createConditionalBranchGraphicsGroup (tcu::TestContext& testCtx)
+{
+ de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "conditional_branch", "Graphics tests for OpBranchConditional."));
+ addGraphicsSameLabelsTest(group.get());
+
+ return group.release();
+}
+
+} // SpirVAssembly
+} // vkt
projects / platform / upstream / VK-GL-CTS.git / commitdiff