radv: Expose VK_KHR_imageless_framebuffer.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

docs/relnotes/19.2.0.html

@@ -44,6 +44,7 @@ TBD.
 <li>EGL_EXT_platform_device</li>
 <li>VK_EXT_queue_family_foreign for radv</li>
 <li>VK_EXT_shader_demote_to_helper_invocation on Intel.</li>
+<li>VK_KHR_imageless_framebuffer for radv</li>
 <li>VK_KHR_shader_atomic_int64 for radv</li>
 </ul>
 

src/amd/vulkan/radv_device.c

@@ -1010,6 +1010,12 @@ void radv_GetPhysicalDeviceFeatures2(
 			features->indexTypeUint8 = pdevice->rad_info.chip_class >= GFX8;
 			break;
 		}
+		case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGELESS_FRAMEBUFFER_FEATURES_KHR: {
+			VkPhysicalDeviceImagelessFramebufferFeaturesKHR *features =
+				(VkPhysicalDeviceImagelessFramebufferFeaturesKHR *)ext;
+			features->imagelessFramebuffer = true;
+			break;
+		}
 		default:
 			break;
 		}

src/amd/vulkan/radv_extensions.py

@@ -75,6 +75,7 @@ EXTENSIONS = [
     Extension('VK_KHR_get_physical_device_properties2',   1, True),
     Extension('VK_KHR_get_surface_capabilities2',         1, 'RADV_HAS_SURFACE'),
     Extension('VK_KHR_image_format_list',                 1, True),
+    Extension('VK_KHR_imageless_framebuffer',             1, True),
     Extension('VK_KHR_incremental_present',               1, 'RADV_HAS_SURFACE'),
     Extension('VK_KHR_maintenance1',                      1, True),
     Extension('VK_KHR_maintenance2',                      1, True),