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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// 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.
#include "VkSurfaceKHR.hpp"
#include "Vulkan/VkDestroy.hpp"
#include <algorithm>
namespace {
static const VkSurfaceFormatKHR surfaceFormats[] = {
{ VK_FORMAT_B8G8R8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR },
{ VK_FORMAT_B8G8R8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR },
};
static const VkPresentModeKHR presentModes[] = {
// FIXME(b/124265819): Make present modes behave correctly. Currently we use XPutImage
// with no synchronization, which behaves more like VK_PRESENT_MODE_IMMEDIATE_KHR. We
// should convert to using the Present extension, which allows us to request presentation
// at particular msc values. Will need a similar solution on Windows - possibly interact
// with DXGI directly.
VK_PRESENT_MODE_FIFO_KHR,
VK_PRESENT_MODE_MAILBOX_KHR,
};
} // namespace
namespace vk {
VkResult PresentImage::createImage(VkDevice device, const VkImageCreateInfo &createInfo)
{
VkImage image;
VkResult status = vkCreateImage(device, &createInfo, nullptr, &image);
if(status != VK_SUCCESS)
{
return status;
}
this->image = Cast(image);
return status;
}
VkResult PresentImage::allocateAndBindImageMemory(VkDevice device, const VkMemoryAllocateInfo &allocateInfo)
{
ASSERT(image);
VkDeviceMemory deviceMemory;
VkResult status = vkAllocateMemory(device, &allocateInfo, nullptr, &deviceMemory);
if(status != VK_SUCCESS)
{
return status;
}
imageMemory = Cast(deviceMemory);
vkBindImageMemory(device, *image, deviceMemory, 0);
imageStatus = AVAILABLE;
return VK_SUCCESS;
}
void PresentImage::release()
{
if(imageMemory)
{
vk::destroy(static_cast<VkDeviceMemory>(*imageMemory), nullptr);
imageMemory = nullptr;
}
if(image)
{
vk::destroy(static_cast<VkImage>(*image), nullptr);
image = nullptr;
}
imageStatus = NONEXISTENT;
}
VkImage PresentImage::asVkImage() const
{
return image ? static_cast<VkImage>(*image) : VkImage({ VK_NULL_HANDLE });
}
uint32_t SurfaceKHR::getSurfaceFormatsCount() const
{
return static_cast<uint32_t>(sizeof(surfaceFormats) / sizeof(surfaceFormats[0]));
}
VkResult SurfaceKHR::getSurfaceFormats(uint32_t *pSurfaceFormatCount, VkSurfaceFormatKHR *pSurfaceFormats) const
{
uint32_t count = getSurfaceFormatsCount();
uint32_t i;
for(i = 0; i < std::min(*pSurfaceFormatCount, count); i++)
{
pSurfaceFormats[i] = surfaceFormats[i];
}
*pSurfaceFormatCount = i;
if(*pSurfaceFormatCount < count)
{
return VK_INCOMPLETE;
}
return VK_SUCCESS;
}
uint32_t SurfaceKHR::getPresentModeCount() const
{
return static_cast<uint32_t>(sizeof(presentModes) / sizeof(presentModes[0]));
}
VkResult SurfaceKHR::getPresentModes(uint32_t *pPresentModeCount, VkPresentModeKHR *pPresentModes) const
{
uint32_t count = getPresentModeCount();
uint32_t i;
for(i = 0; i < std::min(*pPresentModeCount, count); i++)
{
pPresentModes[i] = presentModes[i];
}
*pPresentModeCount = i;
if(*pPresentModeCount < count)
{
return VK_INCOMPLETE;
}
return VK_SUCCESS;
}
void SurfaceKHR::associateSwapchain(SwapchainKHR *swapchain)
{
associatedSwapchain = swapchain;
}
void SurfaceKHR::disassociateSwapchain()
{
associatedSwapchain = nullptr;
}
bool SurfaceKHR::hasAssociatedSwapchain()
{
return (associatedSwapchain != nullptr);
}
VkResult SurfaceKHR::getPresentRectangles(uint32_t *pRectCount, VkRect2D *pRects) const
{
if(!pRects)
{
*pRectCount = 1;
return VK_SUCCESS;
}
if(*pRectCount < 1)
{
return VK_INCOMPLETE;
}
VkSurfaceCapabilitiesKHR capabilities;
getSurfaceCapabilities(&capabilities);
pRects[0].offset = { 0, 0 };
pRects[0].extent = capabilities.currentExtent;
*pRectCount = 1;
return VK_SUCCESS;
}
void SurfaceKHR::setCommonSurfaceCapabilities(VkSurfaceCapabilitiesKHR *pSurfaceCapabilities)
{
pSurfaceCapabilities->minImageCount = 1;
pSurfaceCapabilities->maxImageCount = 0;
pSurfaceCapabilities->maxImageArrayLayers = 1;
pSurfaceCapabilities->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
pSurfaceCapabilities->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
pSurfaceCapabilities->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
pSurfaceCapabilities->supportedUsageFlags =
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT;
}
} // namespace vk