void setup_vk_attachment_description(VkAttachmentDescription* attachment,
const AttachmentDesc& desc,
VkImageLayout layout) {
attachment->flags = 0;
attachment->format = desc.fFormat;
SkAssertResult(GrSampleCountToVkSampleCount(desc.fSamples, &attachment->samples));
switch (layout) {
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
attachment->loadOp = desc.fLoadStoreOps.fLoadOp;
attachment->storeOp = desc.fLoadStoreOps.fStoreOp;
attachment->stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment->stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
attachment->loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment->storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment->stencilLoadOp = desc.fLoadStoreOps.fLoadOp;
attachment->stencilStoreOp = desc.fLoadStoreOps.fStoreOp;
break;
default:
SkFAIL("Unexpected attachment layout");
}
attachment->initialLayout = layout;
attachment->finalLayout = layout;
}
bool GrVkImage::InitImageInfo(const GrVkGpu* gpu, const ImageDesc& imageDesc, GrVkImageInfo* info) {
VkImage image = 0;
GrVkAlloc alloc;
bool isLinear = VK_IMAGE_TILING_LINEAR == imageDesc.fImageTiling;
VkImageLayout initialLayout = isLinear ? VK_IMAGE_LAYOUT_PREINITIALIZED
: VK_IMAGE_LAYOUT_UNDEFINED;
// Create Image
VkSampleCountFlagBits vkSamples;
if (!GrSampleCountToVkSampleCount(imageDesc.fSamples, &vkSamples)) {
return false;
}
SkASSERT(VK_IMAGE_TILING_OPTIMAL == imageDesc.fImageTiling ||
VK_SAMPLE_COUNT_1_BIT == vkSamples);
// sRGB format images may need to be aliased to linear for various reasons (legacy mode):
VkImageCreateFlags createFlags = GrVkFormatIsSRGB(imageDesc.fFormat, nullptr)
? VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT : 0;
const VkImageCreateInfo imageCreateInfo = {
VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // sType
NULL, // pNext
createFlags, // VkImageCreateFlags
imageDesc.fImageType, // VkImageType
imageDesc.fFormat, // VkFormat
{ imageDesc.fWidth, imageDesc.fHeight, 1 }, // VkExtent3D
imageDesc.fLevels, // mipLevels
1, // arrayLayers
vkSamples, // samples
imageDesc.fImageTiling, // VkImageTiling
imageDesc.fUsageFlags, // VkImageUsageFlags
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode
0, // queueFamilyCount
0, // pQueueFamilyIndices
initialLayout // initialLayout
};
GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateImage(gpu->device(), &imageCreateInfo, nullptr,
&image));
if (!GrVkMemory::AllocAndBindImageMemory(gpu, image, isLinear, &alloc)) {
VK_CALL(gpu, DestroyImage(gpu->device(), image, nullptr));
return false;
}
info->fImage = image;
info->fAlloc = alloc;
info->fImageTiling = imageDesc.fImageTiling;
info->fImageLayout = initialLayout;
info->fFormat = imageDesc.fFormat;
info->fLevelCount = imageDesc.fLevels;
return true;
}
static void setup_multisample_state(int numSamples,
VkPipelineMultisampleStateCreateInfo* multisampleInfo) {
memset(multisampleInfo, 0, sizeof(VkPipelineMultisampleStateCreateInfo));
multisampleInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampleInfo->pNext = nullptr;
multisampleInfo->flags = 0;
SkAssertResult(GrSampleCountToVkSampleCount(numSamples,
&multisampleInfo->rasterizationSamples));
multisampleInfo->sampleShadingEnable = VK_FALSE;
multisampleInfo->minSampleShading = 0.0f;
multisampleInfo->pSampleMask = nullptr;
multisampleInfo->alphaToCoverageEnable = VK_FALSE;
multisampleInfo->alphaToOneEnable = VK_FALSE;
}
void setup_multisample_state(const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
const GrCaps* caps,
VkPipelineMultisampleStateCreateInfo* multisampleInfo) {
memset(multisampleInfo, 0, sizeof(VkPipelineMultisampleStateCreateInfo));
multisampleInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampleInfo->pNext = nullptr;
multisampleInfo->flags = 0;
int numSamples = pipeline.getRenderTarget()->numColorSamples();
SkAssertResult(GrSampleCountToVkSampleCount(numSamples,
&multisampleInfo->rasterizationSamples));
float sampleShading = primProc.getSampleShading();
SkASSERT(sampleShading == 0.0f || caps->sampleShadingSupport());
multisampleInfo->sampleShadingEnable = sampleShading > 0.0f;
multisampleInfo->minSampleShading = sampleShading;
multisampleInfo->pSampleMask = nullptr;
multisampleInfo->alphaToCoverageEnable = VK_FALSE;
multisampleInfo->alphaToOneEnable = VK_FALSE;
}
