1 // Copyright 2020 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "DirectFBSurfaceEXT.hpp"
16
17 #include "Vulkan/VkDeviceMemory.hpp"
18 #include "Vulkan/VkImage.hpp"
19
20 namespace vk {
21
DirectFBSurfaceEXT(const VkDirectFBSurfaceCreateInfoEXT * pCreateInfo,void * mem)22 DirectFBSurfaceEXT::DirectFBSurfaceEXT(const VkDirectFBSurfaceCreateInfoEXT *pCreateInfo, void *mem)
23 : dfb(pCreateInfo->dfb)
24 , surface(pCreateInfo->surface)
25 {
26 }
27
destroySurface(const VkAllocationCallbacks * pAllocator)28 void DirectFBSurfaceEXT::destroySurface(const VkAllocationCallbacks *pAllocator)
29 {
30 }
31
ComputeRequiredAllocationSize(const VkDirectFBSurfaceCreateInfoEXT * pCreateInfo)32 size_t DirectFBSurfaceEXT::ComputeRequiredAllocationSize(const VkDirectFBSurfaceCreateInfoEXT *pCreateInfo)
33 {
34 return 0;
35 }
36
getSurfaceCapabilities(const void * pSurfaceInfoPNext,VkSurfaceCapabilitiesKHR * pSurfaceCapabilities,void * pSurfaceCapabilitiesPNext) const37 VkResult DirectFBSurfaceEXT::getSurfaceCapabilities(const void *pSurfaceInfoPNext, VkSurfaceCapabilitiesKHR *pSurfaceCapabilities, void *pSurfaceCapabilitiesPNext) const
38 {
39 int width, height;
40 surface->GetSize(surface, &width, &height);
41 VkExtent2D extent = { static_cast<uint32_t>(width), static_cast<uint32_t>(height) };
42
43 pSurfaceCapabilities->currentExtent = extent;
44 pSurfaceCapabilities->minImageExtent = extent;
45 pSurfaceCapabilities->maxImageExtent = extent;
46
47 setCommonSurfaceCapabilities(pSurfaceInfoPNext, pSurfaceCapabilities, pSurfaceCapabilitiesPNext);
48 return VK_SUCCESS;
49 }
50
attachImage(PresentImage * image)51 void DirectFBSurfaceEXT::attachImage(PresentImage *image)
52 {
53 DFBSurfaceDescription desc;
54 desc.flags = static_cast<DFBSurfaceDescriptionFlags>(DSDESC_PIXELFORMAT | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PREALLOCATED);
55 desc.pixelformat = DSPF_RGB32;
56 const VkExtent3D &extent = image->getImage()->getExtent();
57 desc.width = extent.width;
58 desc.height = extent.height;
59 desc.preallocated[0].data = image->getImageMemory()->getOffsetPointer(0);
60 desc.preallocated[0].pitch = image->getImage()->rowPitchBytes(VK_IMAGE_ASPECT_COLOR_BIT, 0);
61 IDirectFBSurface *dfbImage;
62 dfb->CreateSurface(dfb, &desc, &dfbImage);
63 imageMap[image] = dfbImage;
64 }
65
detachImage(PresentImage * image)66 void DirectFBSurfaceEXT::detachImage(PresentImage *image)
67 {
68 auto it = imageMap.find(image);
69 if(it != imageMap.end())
70 {
71 IDirectFBSurface *dfbImage = it->second;
72 dfbImage->Release(dfbImage);
73 imageMap.erase(it);
74 }
75 }
76
present(PresentImage * image)77 VkResult DirectFBSurfaceEXT::present(PresentImage *image)
78 {
79 auto it = imageMap.find(image);
80 if(it != imageMap.end())
81 {
82 IDirectFBSurface *dfbImage = it->second;
83 surface->Blit(surface, dfbImage, NULL, 0, 0);
84 surface->Flip(surface, NULL, DSFLIP_WAITFORSYNC);
85 }
86
87 return VK_SUCCESS;
88 }
89
90 } // namespace vk
91