engine: get rid of stupid XASH_VULKAN. Vulkan support must be decided by the platform-code, not during build-time, and available if possible. Otherwise it can always return nothingness and refuse to create REF_VULKAN context

engine/client/ref_common.c

@@ -385,11 +385,9 @@ static ref_api_t gEngfuncs =
 	pfnDrawTransparentTriangles,
 	&clgame.drawFuncs,
 
-#ifdef XASH_VULKAN
 	XVK_GetInstanceExtensions,
 	XVK_GetVkGetInstanceProcAddr,
 	XVK_CreateSurface,
-#endif
 };
 
 static void R_UnloadProgs( void )

engine/platform/sdl/vid_sdl.c

@@ -14,9 +14,7 @@ GNU General Public License for more details.
 */
 #if !XASH_DEDICATED
 #include <SDL.h>
-#ifdef XASH_VULKAN
 #include <SDL_vulkan.h>
-#endif
 #include "common.h"
 #include "client.h"
 #include "mod_local.h"
@@ -641,11 +639,9 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
 		case REF_GL:
 			wndFlags |= SDL_WINDOW_OPENGL;
 			break;
-#ifdef XASH_VULKAN
 		case REF_VULKAN:
 			wndFlags |= SDL_WINDOW_VULKAN;
 			break;
-#endif
 	}
 
 	if( !fullscreen )
@@ -972,7 +968,6 @@ int GL_GetAttribute( int attr, int *val )
 #define EGL_LIB NULL
 #endif
 
-#ifdef XASH_VULKAN
 int XVK_GetInstanceExtensions( unsigned int count, const char **pNames )
 {
 	if (!SDL_Vulkan_GetInstanceExtensions(host.hWnd, &count, pNames))
@@ -1001,7 +996,6 @@ VkSurfaceKHR XVK_CreateSurface( VkInstance instance )
 
 	return surface;
 }
-#endif
 
 /*
 ==================
@@ -1050,10 +1044,8 @@ qboolean R_Init_Video( const int type )
 			return false;
 		}
 		break;
-#ifdef XASH_VULKAN
 	case REF_VULKAN:
 		break;
-#endif
 	default:
 		Host_Error( "Can't initialize unknown context type %d!\n", type );
 		break;

engine/ref_api.h

@@ -433,11 +433,9 @@ typedef struct ref_api_s
 	void	(*pfnDrawTransparentTriangles)( void );
 	render_interface_t	*drawFuncs;
 
-#ifdef XASH_VULKAN
 	int (*XVK_GetInstanceExtensions)( unsigned int count, const char **pNames );
 	void *(*XVK_GetVkGetInstanceProcAddr)( void );
 	VkSurfaceKHR (*XVK_CreateSurface)( VkInstance instance );
-#endif
 } ref_api_t;
 
 struct mip_s;

engine/ref_vulkan.h

@@ -1,6 +1,5 @@
-#pragma once
-
-#ifdef XASH_VULKAN
+#ifndef REF_VULKAN_H
+#define REF_VULKAN_H
 
 // Define Vulkan handles without depending on vulkan.h
 #ifndef VULKAN_H_
@@ -22,4 +21,4 @@ int XVK_GetInstanceExtensions( unsigned int count, const char **pNames );
 void *XVK_GetVkGetInstanceProcAddr( void );
 VkSurfaceKHR XVK_CreateSurface( VkInstance instance );
 
-#endif // ifdef XASH_VULKAN
+#endif /* REF_VULKAN_H */

engine/wscript

@@ -97,7 +97,6 @@ def configure(conf):
 	conf.define_cond('XASH_64BIT', conf.env.DEST_SIZEOF_VOID_P != 4)
 	conf.define_cond('DBGHELP', conf.env.DEST_OS == 'win32')
 	conf.define_cond('PSAPI_VERSION', conf.env.DEST_OS == 'win32') # will be defined as 1
-	conf.define_cond('XASH_VULKAN', conf.options.VK)
 
 def build(bld):
 	is_cxx_link = False

ref_vk/wscript

@@ -39,7 +39,6 @@ def configure(conf):
 	conf.load('glslc')
 
 	conf.define('REF_DLL', 1)
-	conf.define('XASH_VULKAN', 1)
 
 	if conf.options.NSIGHT_AFTERMATH_SDK:
 		conf.start_msg('Nvidia Nsight Aftermath SDK')
@@ -63,6 +62,9 @@ def configure(conf):
 	# TODO if debug
 	conf.env.GLSLCFLAGS += ['-g']
 
+	if '-Werror=declaration-after-statement' in conf.env.CFLAGS:
+		conf.env.CFLAGS.remove('-Werror=declaration-after-statement')
+
 def build(bld):
 	if not bld.env.VK:
 		return

wscript

@@ -148,8 +148,6 @@ def configure(conf):
 		conf.options.NANOGL = True
 		conf.options.GLWES  = True
 		conf.options.GL     = False
-		# Vulkan is not supported on Android yet for CI reasons: requres NDK>12, glslc lookup etc.
-		conf.options.VK     = False
 	elif conf.env.MAGX:
 		conf.options.USE_SELECT       = True
 		conf.options.SDL12            = True
@@ -163,8 +161,6 @@ def configure(conf):
 		enforce_pic = False
 	elif conf.env.DEST_OS == 'dos':
 		conf.options.SINGLE_BINARY = True
-	else:
-		conf.options.VK = True
 
 	if conf.env.STATIC_LINKING:
 		enforce_pic = False # PIC may break full static builds