DXGL r872 - Code Review

Repository:	DXGL
Revision:	< r871‎ \| r872 \| r873 >
Date:	23:48, 28 September 2018
Author:	admin
Status:	new
Tags:
Comment:	Add fallback stub functions for wglSwapIntervalEXT and wglGetSwapIntervalEXT for compatibility with old versions of Mesa.
Modified paths:	/ddraw/glExtensions.c (modified) (history)

Diff [purge]

Index: ddraw/glExtensions.c
—	—	@@ -19,6 +19,17 @@
20	20	#include "glExtensions.h"
21	21	extern DXGLCFG dxglcfg;
22	22
	23	+static int stubswapinterval = 1;
	24	+static BOOL APIENTRY wglSwapIntervalEXTStub(GLint interval)
	25	+{
	26	+ stubswapinterval = interval;
	27	+ return FALSE;
	28	+}
	29	+static GLint APIENTRY wglGetSwapIntervalEXTStub()
	30	+{
	31	+ return stubswapinterval;
	32	+}
	33	+
23	34	void glExtensions_Init(glExtensions *ext)
24	35	{
25	36	const GLubyte *glversion;
—	—	@@ -231,4 +242,9 @@
232	243	}
233	244	ext->wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
234	245	ext->wglGetSwapIntervalEXT = (PFNWGLGETSWAPINTERVALEXTPROC)wglGetProcAddress("wglGetSwapIntervalEXT");
	246	+ if((!ext->wglSwapIntervalEXT) \|\| (!ext->wglGetSwapIntervalEXT))
	247	+ {
	248	+ ext->wglSwapIntervalEXT = wglSwapIntervalEXTStub;
	249	+ ext->wglGetSwapIntervalEXT = wglGetSwapIntervalEXTStub;
	250	+ }
235	251	}