1 // VK tests
2 //
3 // Copyright (c) 2015-2016 The Khronos Group Inc.
4 // Copyright (c) 2015-2016 Valve Corporation
5 // Copyright (c) 2015-2016 LunarG, Inc.
6 // Copyright (c) 2015-2016 Google, Inc.
7 //
8 // Licensed under the Apache License, Version 2.0 (the "License");
9 // you may not use this file except in compliance with the License.
10 // You may obtain a copy of the License at
11 //
12 // http://www.apache.org/licenses/LICENSE-2.0
13 //
14 // Unless required by applicable law or agreed to in writing, software
15 // distributed under the License is distributed on an "AS IS" BASIS,
16 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 // See the License for the specific language governing permissions and
18 // limitations under the License.
19
20 #include "vktestframeworkandroid.h"
21 #include "shaderc/shaderc.hpp"
22 #include <android/log.h>
23
VkTestFramework()24 VkTestFramework::VkTestFramework() {}
~VkTestFramework()25 VkTestFramework::~VkTestFramework() {}
26
27 bool VkTestFramework::m_use_glsl = false;
28
GetFormat(VkInstance instance,vk_testing::Device * device)29 VkFormat VkTestFramework::GetFormat(VkInstance instance, vk_testing::Device *device) {
30 VkFormatProperties format_props;
31 vkGetPhysicalDeviceFormatProperties(device->phy().handle(), VK_FORMAT_B8G8R8A8_UNORM, &format_props);
32 if (format_props.linearTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT ||
33 format_props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) {
34 return VK_FORMAT_B8G8R8A8_UNORM;
35 }
36 vkGetPhysicalDeviceFormatProperties(device->phy().handle(), VK_FORMAT_R8G8B8A8_UNORM, &format_props);
37 if (format_props.linearTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT ||
38 format_props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) {
39 return VK_FORMAT_R8G8B8A8_UNORM;
40 }
41 printf("Error - device does not support VK_FORMAT_B8G8R8A8_UNORM nor VK_FORMAT_R8G8B8A8_UNORM - exiting\n");
42 exit(0);
43 }
44
InitArgs(int * argc,char * argv[])45 void VkTestFramework::InitArgs(int *argc, char *argv[]) {}
Finish()46 void VkTestFramework::Finish() {}
47
SetUp()48 void TestEnvironment::SetUp() { vk_testing::set_error_callback(test_error_callback); }
49
TearDown()50 void TestEnvironment::TearDown() {}
51
52 // Android specific helper functions for shaderc.
53 struct shader_type_mapping {
54 VkShaderStageFlagBits vkshader_type;
55 shaderc_shader_kind shaderc_type;
56 };
57
58 static const shader_type_mapping shader_map_table[] = {
59 {VK_SHADER_STAGE_VERTEX_BIT, shaderc_glsl_vertex_shader},
60 {VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, shaderc_glsl_tess_control_shader},
61 {VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, shaderc_glsl_tess_evaluation_shader},
62 {VK_SHADER_STAGE_GEOMETRY_BIT, shaderc_glsl_geometry_shader},
63 {VK_SHADER_STAGE_FRAGMENT_BIT, shaderc_glsl_fragment_shader},
64 {VK_SHADER_STAGE_COMPUTE_BIT, shaderc_glsl_compute_shader},
65 };
66
MapShadercType(VkShaderStageFlagBits vkShader)67 shaderc_shader_kind MapShadercType(VkShaderStageFlagBits vkShader) {
68 for (auto shader : shader_map_table) {
69 if (shader.vkshader_type == vkShader) {
70 return shader.shaderc_type;
71 }
72 }
73 assert(false);
74 return shaderc_glsl_infer_from_source;
75 }
76
77 // Compile a given string containing GLSL into SPIR-V
78 // Return value of false means an error was encountered
GLSLtoSPV(const VkShaderStageFlagBits shader_type,const char * pshader,std::vector<unsigned int> & spirv)79 bool VkTestFramework::GLSLtoSPV(const VkShaderStageFlagBits shader_type, const char *pshader, std::vector<unsigned int> &spirv) {
80
81 // On Android, use shaderc instead.
82 shaderc::Compiler compiler;
83 shaderc::SpvCompilationResult result =
84 compiler.CompileGlslToSpv(pshader, strlen(pshader), MapShadercType(shader_type), "shader");
85 if (result.GetCompilationStatus() != shaderc_compilation_status_success) {
86 __android_log_print(ANDROID_LOG_ERROR, "VkLayerValidationTest", "GLSLtoSPV compilation failed");
87 return false;
88 }
89
90 for (auto iter = result.begin(); iter != result.end(); iter++) {
91 spirv.push_back(*iter);
92 }
93
94 return true;
95 }
96