radv: Add EXT_acquire_xlib_display to radv driver [v2]
This extension adds the ability to borrow an X RandR output for temporary use directly by a Vulkan application to the radv driver. v2: Simplify addition of VK_USE_PLATFORM_XLIB_XRANDR_KHR to vulkan_wsi_args Suggested-by: Eric Engestrom <eric.engestrom@imgtec.com> Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
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@ -85,7 +85,14 @@ AM_CPPFLAGS += \
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-DVK_USE_PLATFORM_DISPLAY_KHR
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VULKAN_SOURCES += $(VULKAN_WSI_DISPLAY_FILES)
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endif
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if HAVE_XLIB_LEASE
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AM_CPPFLAGS += \
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-DVK_USE_PLATFORM_XLIB_XRANDR_EXT \
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$(XCB_RANDR_CFLAGS)
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VULKAN_LIB_DEPS += $(XCB_RANDR_LIBS)
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endif
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if HAVE_PLATFORM_X11
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@ -120,6 +120,11 @@ if with_platform_drm
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libradv_files += files('radv_wsi_display.c')
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endif
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if with_xlib_lease
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radv_deps += dep_xcb_xrandr
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radv_flags += '-DVK_USE_PLATFORM_XLIB_XRANDR_EXT'
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endif
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libvulkan_radeon = shared_library(
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'vulkan_radeon',
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[libradv_files, radv_entrypoints, radv_extensions_c, vk_format_table_c],
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@ -449,7 +449,10 @@ def get_entrypoints_defines(doc):
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for extension in doc.findall('./extensions/extension[@platform]'):
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platform = extension.attrib['platform']
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define = 'VK_USE_PLATFORM_' + platform.upper() + '_KHR'
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ext = '_KHR'
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if platform.upper() == 'XLIB_XRANDR':
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ext = '_EXT'
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define = 'VK_USE_PLATFORM_' + platform.upper() + ext
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for entrypoint in extension.findall('./require/command'):
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fullname = entrypoint.attrib['name']
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@ -88,6 +88,7 @@ EXTENSIONS = [
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Extension('VK_KHR_multiview', 1, True),
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Extension('VK_KHR_display', 23, 'VK_USE_PLATFORM_DISPLAY_KHR'),
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Extension('VK_EXT_direct_mode_display', 1, 'VK_USE_PLATFORM_DISPLAY_KHR'),
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Extension('VK_EXT_acquire_xlib_display', 1, 'VK_USE_PLATFORM_XLIB_XRANDR_EXT'),
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Extension('VK_EXT_debug_report', 9, True),
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Extension('VK_EXT_depth_range_unrestricted', 1, True),
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Extension('VK_EXT_descriptor_indexing', 2, True),
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@ -216,12 +217,12 @@ _TEMPLATE_C = Template(COPYRIGHT + """
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#include "vk_util.h"
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/* Convert the VK_USE_PLATFORM_* defines to booleans */
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%for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB', 'DISPLAY']:
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#ifdef VK_USE_PLATFORM_${platform}_KHR
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# undef VK_USE_PLATFORM_${platform}_KHR
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# define VK_USE_PLATFORM_${platform}_KHR true
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%for platform in ['ANDROID_KHR', 'WAYLAND_KHR', 'XCB_KHR', 'XLIB_KHR', 'DISPLAY_KHR', 'XLIB_XRANDR_EXT']:
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#ifdef VK_USE_PLATFORM_${platform}
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# undef VK_USE_PLATFORM_${platform}
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# define VK_USE_PLATFORM_${platform} true
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#else
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# define VK_USE_PLATFORM_${platform}_KHR false
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# define VK_USE_PLATFORM_${platform} false
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#endif
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%endfor
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@ -164,3 +164,33 @@ radv_ReleaseDisplayEXT(VkPhysicalDevice physical_device,
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&pdevice->wsi_device,
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display);
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}
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#ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
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VkResult
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radv_AcquireXlibDisplayEXT(VkPhysicalDevice physical_device,
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Display *dpy,
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VkDisplayKHR display)
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{
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RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
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return wsi_acquire_xlib_display(physical_device,
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&pdevice->wsi_device,
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dpy,
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display);
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}
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VkResult
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radv_GetRandROutputDisplayEXT(VkPhysicalDevice physical_device,
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Display *dpy,
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RROutput output,
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VkDisplayKHR *display)
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{
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RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
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return wsi_get_randr_output_display(physical_device,
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&pdevice->wsi_device,
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dpy,
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output,
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display);
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}
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#endif /* VK_USE_PLATFORM_XLIB_XRANDR_EXT */
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