const GrVkImageView* GrVkImageView::Create(const GrVkGpu* gpu, VkImage image, VkFormat format,
Type viewType, uint32_t miplevels) {
VkImageView imageView;
// Create the VkImageView
VkImageViewCreateInfo viewInfo = {
VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, // sType
NULL, // pNext
0, // flags
image, // image
VK_IMAGE_VIEW_TYPE_2D, // viewType
format, // format
{ VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A }, // components
{ VK_IMAGE_ASPECT_COLOR_BIT, 0, miplevels, 0, 1 }, // subresourceRange
};
if (kStencil_Type == viewType) {
viewInfo.components.r = VK_COMPONENT_SWIZZLE_ZERO;
viewInfo.components.g = VK_COMPONENT_SWIZZLE_ZERO;
viewInfo.components.b = VK_COMPONENT_SWIZZLE_ZERO;
viewInfo.components.a = VK_COMPONENT_SWIZZLE_ZERO;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_STENCIL_BIT;
}
VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateImageView(gpu->device(), &viewInfo,
nullptr, &imageView));
if (err) {
return nullptr;
}
return new GrVkImageView(imageView);
}
TEST_F(VkImageTest, CreateImageViewTest) {
VkFormat fmt;
VkImageView imageView;
fmt = VK_FORMAT_R8G8B8A8_UINT;
CreateImage(512, 256);
// typedef struct VkImageViewCreateInfo_
// {
// VkStructureType sType; // Must be VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO
// const void* pNext; // Pointer to next structure
// VkImage image;
// VkImageViewType viewType;
// VkFormat format;
// VkComponentMapping channels;
// VkImageSubresourceRange subresourceRange;
// float minLod;
// } VkImageViewCreateInfo;
VkImageViewCreateInfo viewInfo = {};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = fmt;
viewInfo.components.r = VK_COMPONENT_SWIZZLE_R;
viewInfo.components.g = VK_COMPONENT_SWIZZLE_G;
viewInfo.components.b = VK_COMPONENT_SWIZZLE_B;
viewInfo.components.a = VK_COMPONENT_SWIZZLE_A;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
// VKAPI_ATTR VkResult VKAPI_CALL vkCreateImageView(
// VkDevice device,
// const VkImageViewCreateInfo* pCreateInfo,
// VkImageView* pView);
CreateImageView(&viewInfo, &imageView);
DestroyImageView(imageView);
DestroyImage();
}
