ShaderModuleManager()
{
m_usedSetupIF = &m_defaultSetupIF;
m_supportsExtendedInclude = true;
#if USESHADERC
m_shadercCompiler = shaderc_compiler_initialize();
m_shadercOptions = shaderc_compile_options_initialize();
#endif
}
bool GrVkPipelineStateBuilder::CreateVkShaderModule(const GrVkGpu* gpu,
VkShaderStageFlagBits stage,
const GrGLSLShaderBuilder& builder,
VkShaderModule* shaderModule,
VkPipelineShaderStageCreateInfo* stageInfo) {
SkString shaderString;
for (int i = 0; i < builder.fCompilerStrings.count(); ++i) {
if (builder.fCompilerStrings[i]) {
shaderString.append(builder.fCompilerStrings[i]);
shaderString.append("\n");
}
}
VkShaderModuleCreateInfo moduleCreateInfo;
memset(&moduleCreateInfo, 0, sizeof(VkShaderModuleCreateInfo));
moduleCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
moduleCreateInfo.pNext = nullptr;
moduleCreateInfo.flags = 0;
shaderc_compilation_result_t result = nullptr;
if (gpu->vkCaps().canUseGLSLForShaderModule()) {
moduleCreateInfo.codeSize = strlen(shaderString.c_str());
moduleCreateInfo.pCode = (const uint32_t*)shaderString.c_str();
} else {
shaderc_compiler_t compiler = gpu->shadercCompiler();
shaderc_compile_options_t options = shaderc_compile_options_initialize();
shaderc_shader_kind shadercStage = vk_shader_stage_to_shaderc_kind(stage);
result = shaderc_compile_into_spv(compiler,
shaderString.c_str(),
strlen(shaderString.c_str()),
shadercStage,
"shader",
"main",
options);
shaderc_compile_options_release(options);
#ifdef SK_DEBUG
if (shaderc_result_get_num_errors(result)) {
SkDebugf("%s\n", shaderString.c_str());
SkDebugf("%s\n", shaderc_result_get_error_message(result));
return false;
}
#endif
moduleCreateInfo.codeSize = shaderc_result_get_length(result);
moduleCreateInfo.pCode = (const uint32_t*)shaderc_result_get_bytes(result);
}
VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateShaderModule(gpu->device(),
&moduleCreateInfo,
nullptr,
shaderModule));
if (!gpu->vkCaps().canUseGLSLForShaderModule()) {
shaderc_result_release(result);
}
if (err) {
return false;
}
memset(stageInfo, 0, sizeof(VkPipelineShaderStageCreateInfo));
stageInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
stageInfo->pNext = nullptr;
stageInfo->flags = 0;
stageInfo->stage = stage;
stageInfo->module = *shaderModule;
stageInfo->pName = "main";
stageInfo->pSpecializationInfo = nullptr;
return true;
}
CompileOptions() {
options_ = shaderc_compile_options_initialize();
}