xref: /aosp_15_r20/external/angle/src/libANGLE/renderer/vulkan/linux/gbm/DisplayVkGbm.cpp (revision 8975f5c5ed3d1c378011245431ada316dfb6f244) 
1 //
2 // Copyright 2022 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // DisplayVkGbm.cpp:
7 //    Implements the class methods for DisplayVkGbm.
8 //
9 
10 #include "libANGLE/renderer/vulkan/linux/gbm/DisplayVkGbm.h"
11 
12 #include <gbm.h>
13 
14 #include "common/linux/dma_buf_utils.h"
15 #include "libANGLE/Display.h"
16 #include "libANGLE/renderer/vulkan/vk_caps_utils.h"
17 
18 namespace rx
19 {
20 
DisplayVkGbm(const egl::DisplayState & state)21 DisplayVkGbm::DisplayVkGbm(const egl::DisplayState &state)
22     : DisplayVkLinux(state), mGbmDevice(nullptr)
23 {}
24 
initialize(egl::Display * display)25 egl::Error DisplayVkGbm::initialize(egl::Display *display)
26 {
27     mGbmDevice = reinterpret_cast<gbm_device *>(display->getNativeDisplayId());
28     if (!mGbmDevice)
29     {
30         ERR() << "Failed to retrieve GBM device";
31         return egl::EglNotInitialized();
32     }
33 
34     return DisplayVk::initialize(display);
35 }
36 
terminate()37 void DisplayVkGbm::terminate()
38 {
39     mGbmDevice = nullptr;
40     DisplayVk::terminate();
41 }
42 
isValidNativeWindow(EGLNativeWindowType window) const43 bool DisplayVkGbm::isValidNativeWindow(EGLNativeWindowType window) const
44 {
45     return (void *)window != nullptr;
46 }
47 
createWindowSurfaceVk(const egl::SurfaceState & state,EGLNativeWindowType window)48 SurfaceImpl *DisplayVkGbm::createWindowSurfaceVk(const egl::SurfaceState &state,
49                                                  EGLNativeWindowType window)
50 {
51     return nullptr;
52 }
53 
generateConfigs()54 egl::ConfigSet DisplayVkGbm::generateConfigs()
55 {
56     const std::array<GLenum, 1> kColorFormats = {GL_BGRA8_EXT};
57 
58     std::vector<GLenum> depthStencilFormats(
59         egl_vk::kConfigDepthStencilFormats,
60         egl_vk::kConfigDepthStencilFormats + ArraySize(egl_vk::kConfigDepthStencilFormats));
61 
62     if (getCaps().stencil8)
63     {
64         depthStencilFormats.push_back(GL_STENCIL_INDEX8);
65     }
66 
67     egl::ConfigSet cfgSet =
68         egl_vk::GenerateConfigs(kColorFormats.data(), kColorFormats.size(),
69                                 depthStencilFormats.data(), depthStencilFormats.size(), this);
70 
71     return cfgSet;
72 }
73 
checkConfigSupport(egl::Config * config)74 void DisplayVkGbm::checkConfigSupport(egl::Config *config) {}
75 
getWSIExtension() const76 const char *DisplayVkGbm::getWSIExtension() const
77 {
78     return nullptr;
79 }
80 
getWindowSystem() const81 angle::NativeWindowSystem DisplayVkGbm::getWindowSystem() const
82 {
83     return angle::NativeWindowSystem::Gbm;
84 }
85 
IsVulkanGbmDisplayAvailable()86 bool IsVulkanGbmDisplayAvailable()
87 {
88     return true;
89 }
90 
CreateVulkanGbmDisplay(const egl::DisplayState & state)91 DisplayImpl *CreateVulkanGbmDisplay(const egl::DisplayState &state)
92 {
93     return new DisplayVkGbm(state);
94 }
95 
96 }  // namespace rx
97