From 34da36e1cf5d7ce4fcb6a087b4ff7bf6682da0cb Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Fri, 20 May 2022 16:27:01 +0900
Subject: [PATCH] [gl_stub] Add a bunch of new stubs

Gets gl_stub working with recent changes to QF.
---
 tools/gl_stub/gl_stub.c   | 46 +++++++++++++++++++++++++++++++++++++++
 tools/gl_stub/gls_norm.c  | 42 ++++++++++++++++++++++++++++++-----
 tools/gl_stub/gls_trace.c | 43 ++++++++++++++++++++++++++++++------
 3 files changed, 118 insertions(+), 13 deletions(-)

diff --git a/tools/gl_stub/gl_stub.c b/tools/gl_stub/gl_stub.c
index 87ff057c3..97ccfd191 100644
--- a/tools/gl_stub/gl_stub.c
+++ b/tools/gl_stub/gl_stub.c
@@ -15,6 +15,7 @@
 
 typedef XID GLXDrawable;
 typedef struct __GLXcontextRec *GLXContext;
+typedef struct __GLXFBConfigRec *GLXFBConfig;
 
 #define TRACE do { \
 	puts (__FUNCTION__);\
@@ -149,3 +150,48 @@ glXGetConfig (Display *dpy, XVisualInfo *visual, int attrib, int *value )
 		TRACE;
     return 0;
 }
+
+GLXFBConfig *
+glXChooseFBConfig (Display *dpy, int screen, int *attribList, int *count)
+{
+	if (trace)
+		TRACE;
+	GLXFBConfig *cfg = calloc (1, sizeof (GLXFBConfig));
+	*cfg = (GLXFBConfig) (intptr_t) screen;
+	return cfg;
+}
+
+XVisualInfo *
+glXGetVisualFromFBConfig (Display *dpy, GLXFBConfig config)
+{
+	XVisualInfo template;
+	int         num_visuals;
+	int         template_mask;
+	int         screen;
+
+	if (trace)
+		TRACE;
+
+	screen = (intptr_t) config;
+	template_mask = 0;
+	template.visualid =
+		XVisualIDFromVisual (XDefaultVisual (dpy, screen));
+	template_mask = VisualIDMask;
+	return XGetVisualInfo (dpy, template_mask, &template, &num_visuals);
+}
+
+int
+glXGetFBConfigAttrib (Display *dpy, GLXFBConfig config, int attribute, int *value)
+{
+	if (trace)
+		TRACE;
+	return 0;
+}
+
+GLXContext
+glXCreateContextAttribsARB (Display *dpy, GLXFBConfig cfg, GLXContext ctx, Bool direct, const int *attribs)
+{
+	if (trace)
+		TRACE;
+	return (GLXContext)1;
+}
diff --git a/tools/gl_stub/gls_norm.c b/tools/gl_stub/gls_norm.c
index 3fe4c4c67..0a0b55d55 100644
--- a/tools/gl_stub/gls_norm.c
+++ b/tools/gl_stub/gls_norm.c
@@ -227,11 +227,6 @@ norm_glFramebufferRenderbuffer (GLenum target, GLenum attachment, GLenum renderb
 {
 }
 
-void
-norm_glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
-{
-}
-
 void
 norm_glGenBuffers (GLsizei n, GLuint* buffers)
 {
@@ -1196,7 +1191,7 @@ norm_glGetIntegerv (GLenum pname, GLint * params)
 {
 	switch (pname) {
 		case GL_MAX_TEXTURE_SIZE:
-			*params = 512;
+			*params = 2048;
 			break;
 		case GL_UNPACK_ALIGNMENT:
 		case GL_PACK_ALIGNMENT:
@@ -2466,3 +2461,38 @@ void
 norm_glPNTrianglesiATI (GLint x, GLint y)
 {
 }
+
+void
+norm_glFramebufferTexture1D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+}
+
+void
+norm_glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+}
+
+void
+norm_glFramebufferTexture3D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint layer)
+{
+}
+
+void
+norm_glFramebufferTexture (GLenum target, GLenum attachment, GLuint texture, GLint level)
+{
+}
+
+void
+norm_glNamedFramebufferTexture (GLuint framebuffer, GLenum attachment, GLuint texture, GLint level)
+{
+}
+
+void
+norm_glCreateVertexArrays (GLsizei n, GLuint *arrays)
+{
+}
+
+void
+norm_glBindVertexArray (GLuint array)
+{
+}
diff --git a/tools/gl_stub/gls_trace.c b/tools/gl_stub/gls_trace.c
index c34f69db9..bdc361249 100644
--- a/tools/gl_stub/gls_trace.c
+++ b/tools/gl_stub/gls_trace.c
@@ -256,12 +256,6 @@ trace_glFramebufferRenderbuffer (GLenum target, GLenum attachment, GLenum render
 	TRACE;
 }
 
-void
-trace_glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
-{
-	TRACE;
-}
-
 void
 trace_glGenBuffers (GLsizei n, GLuint* buffers)
 {
@@ -1413,7 +1407,7 @@ trace_glGetIntegerv (GLenum pname, GLint * params)
 	TRACE;
 	switch (pname) {
 		case GL_MAX_TEXTURE_SIZE:
-			*params = 512;
+			*params = 2048;
 			break;
 		case GL_UNPACK_ALIGNMENT:
 		case GL_PACK_ALIGNMENT:
@@ -2926,3 +2920,38 @@ trace_glPNTrianglesiATI (GLint x, GLint y)
 {
 	TRACE;
 }
+
+void
+trace_glFramebufferTexture1D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+}
+
+void
+trace_glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+}
+
+void
+trace_glFramebufferTexture3D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint layer)
+{
+}
+
+void
+trace_glFramebufferTexture (GLenum target, GLenum attachment, GLuint texture, GLint level)
+{
+}
+
+void
+trace_glNamedFramebufferTexture (GLuint framebuffer, GLenum attachment, GLuint texture, GLint level)
+{
+}
+
+void
+trace_glCreateVertexArrays (GLsizei n, GLuint *arrays)
+{
+}
+
+void
+trace_glBindVertexArray (GLuint array)
+{
+}