From fbb0a2559c0c5f6b5ff7ff80d028bb72b9cc4ad4 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 22 May 2018 01:31:16 +0000
Subject: [PATCH] Remove use of glPolygonStipple - it will need to be
 reimplemented in the shader using discard, or drawn as an overlay over the
 area.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12429 d7cf8633-e32d-0410-b094-e92efae38249
---
 cl_screen.c  | 29 +++--------------------------
 cl_video.c   | 27 +++------------------------
 glquake.h    |  2 --
 vid_sdl.c    |  1 -
 vid_shared.c |  3 ---
 5 files changed, 6 insertions(+), 56 deletions(-)

diff --git a/cl_screen.c b/cl_screen.c
index d86c9686..197e632e 100644
--- a/cl_screen.c
+++ b/cl_screen.c
@@ -2818,34 +2818,11 @@ void CL_UpdateScreen(void)
 	// calculate r_refdef.view.quality
 	r_refdef.view.quality = cl_updatescreen_quality;
 
-#ifndef USE_GLES2
-	if (qglPolygonStipple)
+	if(scr_stipple.integer)
 	{
-		if(scr_stipple.integer)
-		{
-			GLubyte stipple[128];
-			int i, s, width, parts;
-			static int frame = 0;
-			++frame;
-	
-			s = scr_stipple.integer;
-			parts = (s & 007);
-			width = (s & 070) >> 3;
-	
-			qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
-			for(i = 0; i < 128; ++i)
-			{
-				int line = i/4;
-				stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
-			}
-			qglPolygonStipple(stipple);CHECKGLERROR
-		}
-		else
-		{
-			qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
-		}
+		Con_Print("FIXME: scr_stipple not implemented\n");
+		Cvar_SetValueQuick(&scr_stipple, 0);
 	}
-#endif
 
 #ifndef USE_GLES2
 	if (R_Stereo_Active())
diff --git a/cl_video.c b/cl_video.c
index 7543c306..9e5ca0d6 100644
--- a/cl_video.c
+++ b/cl_video.c
@@ -533,25 +533,12 @@ void CL_DrawVideo(void)
 	if (cl_video_stipple.integer || px != 0 || py != 0 || sx != vid_conwidth.integer || sy != vid_conheight.integer)
 		DrawQ_Fill(0, 0, vid_conwidth.integer, vid_conheight.integer, 0, 0, 0, 1, 0);
 
-#ifndef USE_GLES2
 	// enable video-only polygon stipple (of global stipple is not active)
-	if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
+	if (!scr_stipple.integer && cl_video_stipple.integer)
 	{
-		GLubyte stipple[128];
-		int s, width, parts;
-	
-		s = cl_video_stipple.integer;
-		parts = (s & 007);
-		width = (s & 070) >> 3;
-		qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
-		for(i = 0; i < 128; ++i)
-		{
-			int line = i/4;
-			stipple[i] = ((line >> width) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
-		}
-		qglPolygonStipple(stipple);CHECKGLERROR
+		Con_Print("FIXME: cl_video_stipple not implemented\n");
+		Cvar_SetValueQuick(&cl_video_stipple, 0);
 	}
-#endif
 
 	// draw video
 	if (v_glslgamma_video.value >= 1)
@@ -563,14 +550,6 @@ void CL_DrawVideo(void)
 			DrawQ_SuperPic(px, py, video->cachepic, sx, sy, st[0], st[1], b, b, b, v_glslgamma_video.value, st[2], st[3], b, b, b, v_glslgamma_video.value, st[4], st[5], b, b, b, v_glslgamma_video.value, st[6], st[7], b, b, b, v_glslgamma_video.value, 0);
 	}
 
-#ifndef USE_GLES2
-	// disable video-only stipple
-	if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
-	{
-		qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
-	}
-#endif
-
 	// VorteX: draw subtitle_text
 	if (!video->subtitles || !cl_video_subtitles.integer)
 		return;
diff --git a/glquake.h b/glquake.h
index c3cd3d5a..38ec3d7c 100644
--- a/glquake.h
+++ b/glquake.h
@@ -837,7 +837,6 @@ extern void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, G
 extern void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
 extern void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
 extern void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
-extern void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
 #ifndef GL_PROGRAM_OBJECT
 #define GL_PROGRAM_OBJECT					0x8B40
 #define GL_DELETE_STATUS					0x8B80
@@ -1183,7 +1182,6 @@ void GL_PrintError(int errornumber, const char *filename, int linenumber);
 #define qglPointSize glPointSize
 //#define qglPolygonMode glPolygonMode
 #define qglPolygonOffset glPolygonOffset
-//#define qglPolygonStipple glPolygonStipple
 #define qglReadBuffer glReadBuffer
 #define qglReadPixels glReadPixels
 #define qglRenderbufferStorage glRenderbufferStorage
diff --git a/vid_sdl.c b/vid_sdl.c
index 0e4e7b86..0b6ce5ac 100644
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -1599,7 +1599,6 @@ void GLES_Init(void)
 	qglPointSize = wrapglPointSize;
 //	qglPolygonMode = wrapglPolygonMode;
 	qglPolygonOffset = wrapglPolygonOffset;
-//	qglPolygonStipple = wrapglPolygonStipple;
 	qglReadBuffer = wrapglReadBuffer;
 	qglReadPixels = wrapglReadPixels;
 	qglRenderbufferStorage = wrapglRenderbufferStorage;
diff --git a/vid_shared.c b/vid_shared.c
index 6041fec2..04702096 100644
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -275,7 +275,6 @@ void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
 
 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
-void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
 
 void (GLAPIENTRY *qglPointSize)(GLfloat size);
 
@@ -575,7 +574,6 @@ static dllfunction_t openglfuncs[] =
 	{"glScissor", (void **) &qglScissor},
 	{"glPolygonOffset", (void **) &qglPolygonOffset},
 	{"glPolygonMode", (void **) &qglPolygonMode},
-	{"glPolygonStipple", (void **) &qglPolygonStipple},
 	{"glActiveTexture", (void **) &qglActiveTexture},
 	{"glTexImage3D", (void **) &qglTexImage3D},
 	{"glTexSubImage3D", (void **) &qglTexSubImage3D},
@@ -784,7 +782,6 @@ void VID_ClearExtensions(void)
 #ifndef USE_GLES2
 	// this is a complete list of all functions that are directly checked in the renderer
 	qglDrawBuffer = NULL;
-	qglPolygonStipple = NULL;
 	qglFlush = NULL;
 	qglActiveTexture = NULL;
 	qglGetCompressedTexImageARB = NULL;
-- 
2.39.2