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Add WebGPU support to X11

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This commit is contained in:
Sebastian Emanuel Dawid 2025-08-15 23:57:40 +02:00
parent 37812b7e36
commit 205bf6c768
3 changed files with 51 additions and 1 deletions
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3
src/x11_init.c
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@ -1246,7 +1246,8 @@ GLFWbool _glfwConnectX11(int platformID, _GLFWplatform* platform)
.getEGLNativeWindow = _glfwGetEGLNativeWindowX11,
.getRequiredInstanceExtensions = _glfwGetRequiredInstanceExtensionsX11,
.getPhysicalDevicePresentationSupport = _glfwGetPhysicalDevicePresentationSupportX11,
.createWindowSurface = _glfwCreateWindowSurfaceX11
.createWindowSurface = _glfwCreateWindowSurfaceX11,
.createWindowWGPUSurface = _glfwCreateWindowWGPUSurfaceX11
};
// HACK: If the application has left the locale as "C" then both wide

2
src/x11_platform.h
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@ -963,6 +963,8 @@ void _glfwGetRequiredInstanceExtensionsX11(char** extensions);
GLFWbool _glfwGetPhysicalDevicePresentationSupportX11(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily);
VkResult _glfwCreateWindowSurfaceX11(VkInstance instance, _GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface);
WGPUSurface _glfwCreateWindowWGPUSurfaceX11(WGPUInstance instance, _GLFWwindow* window);
void _glfwFreeMonitorX11(_GLFWmonitor* monitor);
void _glfwGetMonitorPosX11(_GLFWmonitor* monitor, int* xpos, int* ypos);
void _glfwGetMonitorContentScaleX11(_GLFWmonitor* monitor, float* xscale, float* yscale);

47
src/x11_window.c
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@ -3282,6 +3282,53 @@ VkResult _glfwCreateWindowSurfaceX11(VkInstance instance,
}
}
typedef struct WGPUSurfaceSourceXCBWindow {
WGPUChainedStruct chain;
void * connection;
uint32_t window;
} WGPUSurfaceSourceXCBWindow;
typedef struct WGPUSurfaceSourceXlibWindow {
WGPUChainedStruct chain;
void * display;
uint64_t window;
} WGPUSurfaceSourceXlibWindow;
WGPUSurface _glfwCreateWindowWGPUSurfaceX11(WGPUInstance instance, _GLFWwindow* window)
{
WGPUSurfaceDescriptor surfaceDescriptor;
if (_glfw.x11.x11xcb.handle)
{
WGPUSurfaceSourceXCBWindow xcbSurface;
xcbSurface.chain.sType = WGPUSType_SurfaceSourceXCBWindow;
xcbSurface.chain.next = NULL;
xcb_connection_t* connection = XGetXCBConnection(_glfw.x11.display);
if (!connection)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to retrieve XCB connection");
return NULL;
}
xcbSurface.connection = connection;
xcbSurface.window = window->x11.handle;
surfaceDescriptor.nextInChain = &xcbSurface.chain;
}
else
{
WGPUSurfaceSourceXlibWindow xlibSurface;
xlibSurface.chain.sType = WGPUSType_SurfaceSourceXlibWindow;
xlibSurface.chain.next = NULL;
xlibSurface.display = _glfw.x11.display;
xlibSurface.window = window->x11.handle;
surfaceDescriptor.nextInChain = &xlibSurface.chain;
}
surfaceDescriptor.label = (WGPUStringView){ NULL, SIZE_MAX };
return wgpuInstanceCreateSurface(instance, &surfaceDescriptor);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////