Mercurial > sdl-ios-xcode
annotate test/testdyngl.c @ 1192:54aa9aa32327
To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Fri, 18 Nov 2005 23:39:02 +0100
Subject: [SDL] Mouse position bugs on Mac OS X
The attached patch fixes a few bugs in SDL related to the mouse position
in windowed mode on Mac OS X, reproduced using the attached minimal test
program - at least here on 10.3.9, with SDL CVS from today. Could anyone
test whether the bugs exist and are fixed by the patch on 10.2 and 10.4?
1. When using OpenGL, the vertical mouse positions obtained through
events or SDL_GetMouseState() are off by one.
2. When using OpenGL, SDL_WarpMouse() inverts the y coordinate.
3. Clicks on the topmost pixel row of the window are not recognized.
1 and 2 do not occur in non-OpenGL mode, while 3 does. All three only
occur in windowed mode, not in fullscreen.
The cause for 1 and 3 is that in Cocoa, "the location of the mouse"
seems to be defined as "the location of the top left corner of the mouse
pointer's hot pixel" (this is not documented, it's just what I found out
here), which together with the fact that Cocoa's usual y coordinates
start at the bottom and increase upwards means that the y coordinate of
the mouse runs from 1 to h, not from 0 to h-1, in a window of height h.
If it does work on 10.2 and 10.4 (I'll try to test it as soon as I can,
but at the moment all I have at hand is 10.3.9), can this be applied to
the CVS?
-Christian
To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Mon, 28 Nov 2005 10:41:51 +0100
Subject: [SDL] Re: Mouse position bugs on Mac OS X
I wrote:
> I'll try to test it as soon as I can, but at the moment all I have at hand is 10.3.9
So, here are the results of my tests (with patched and unpatched
frameworks compiled with Xcode 1.5 (gcc 3.3) on 10.3.9):
On 10.1.5, my test program doesn't run because of "Undefined symbols:
SDL undefined reference to _CGMainDisplayID expected to be defined in
Carbon". I guess not supporting 10.1 was a deliberate decision then and
that's OK with me.
On 10.2.8, 10.3.9, and 10.4.0, the bugs exist as described in my
original post and are fixed by my patch. That is, there is no difference
between pre/post 10.3 and the patched version works correctly in all
combinations of GL/non-GL and windowed/fullscreen.
I therefore recommend the patch for inclusion.
-Christian
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Mon, 28 Nov 2005 13:58:26 +0000 |
parents | be9c9c8f6d53 |
children | 2b7e0180a72c |
rev | line source |
---|---|
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
1 /* |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
2 * Small SDL example to demonstrate dynamically loading |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
3 * OpenGL lib and functions |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
4 * |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
5 * (FYI it was supposed to look like snow in the wind or something...) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
6 * |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
7 * Compile with : |
847
0afe0e38e02c
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
842
diff
changeset
|
8 * gcc testdyngl.c `sdl-config --libs --cflags` -o testdyngl -DHAVE_OPENGL |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
9 * |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
10 * You can specify a different OpenGL lib on the command line, i.e. : |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
11 * ./testdyngl /usr/X11R6/lib/libGL.so.1.2 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
12 * or |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
13 * ./testdyngl /usr/lib/libGL.so.1.0.4496 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
14 * |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
15 */ |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
16 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
17 #include <stdio.h> |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
18 #include <stdlib.h> |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
19 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
20 #include "SDL.h" |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
21 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
22 #ifdef HAVE_OPENGL |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
23 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
24 #include "SDL_opengl.h" |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
25 |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
26 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
27 static void quit(int rc) |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
28 { |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
29 SDL_Quit(); |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
30 exit(rc); |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
31 } |
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
32 |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
33 void* get_funcaddr(const char* p) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
34 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
35 void* f=SDL_GL_GetProcAddress(p); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
36 if (f) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
37 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
38 return f; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
39 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
40 else |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
41 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
42 printf("Unable to get function pointer for %s\n",p); |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
43 quit(1); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
44 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
45 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
46 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
47 typedef struct |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
48 { |
885
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
49 void(APIENTRY*glBegin)(GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
50 void(APIENTRY*glEnd)(); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
51 void(APIENTRY*glVertex3f)(GLfloat, GLfloat, GLfloat); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
52 void(APIENTRY*glClearColor)(GLfloat, GLfloat, GLfloat, GLfloat); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
53 void(APIENTRY*glClear)(GLbitfield); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
54 void(APIENTRY*glDisable)(GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
55 void(APIENTRY*glEnable)(GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
56 void(APIENTRY*glColor4ub)(GLubyte,GLubyte,GLubyte,GLubyte); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
57 void(APIENTRY*glPointSize)(GLfloat); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
58 void(APIENTRY*glHint)(GLenum,GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
59 void(APIENTRY*glBlendFunc)(GLenum,GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
60 void(APIENTRY*glMatrixMode)(GLenum); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
61 void(APIENTRY*glLoadIdentity)(); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
62 void(APIENTRY*glOrtho)(GLdouble,GLdouble,GLdouble,GLdouble,GLdouble,GLdouble); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
63 void(APIENTRY*glRotatef)(GLfloat,GLfloat,GLfloat,GLfloat); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
64 void(APIENTRY*glViewport)(GLint,GLint,GLsizei,GLsizei); |
9f6ad2286011
Date: Wed, 28 Apr 2004 16:52:41 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
847
diff
changeset
|
65 void(APIENTRY*glFogf)(GLenum,GLfloat); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
66 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
67 glfuncs; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
68 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
69 void init_glfuncs(glfuncs* f) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
70 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
71 f->glBegin=get_funcaddr("glBegin"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
72 f->glEnd=get_funcaddr("glEnd"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
73 f->glVertex3f=get_funcaddr("glVertex3f"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
74 f->glClearColor=get_funcaddr("glClearColor"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
75 f->glClear=get_funcaddr("glClear"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
76 f->glDisable=get_funcaddr("glDisable"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
77 f->glEnable=get_funcaddr("glEnable"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
78 f->glColor4ub=get_funcaddr("glColor4ub"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
79 f->glPointSize=get_funcaddr("glPointSize"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
80 f->glHint=get_funcaddr("glHint"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
81 f->glBlendFunc=get_funcaddr("glBlendFunc"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
82 f->glMatrixMode=get_funcaddr("glMatrixMode"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
83 f->glLoadIdentity=get_funcaddr("glLoadIdentity"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
84 f->glOrtho=get_funcaddr("glOrtho"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
85 f->glRotatef=get_funcaddr("glRotatef"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
86 f->glViewport=get_funcaddr("glViewport"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
87 f->glFogf=get_funcaddr("glFogf"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
88 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
89 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
90 #define NB_PIXELS 1000 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
91 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
92 int main(int argc,char *argv[]) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
93 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
94 glfuncs f; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
95 int i; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
96 SDL_Event event; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
97 int done=0; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
98 GLfloat pixels[NB_PIXELS*3]; |
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
99 #if defined(_WIN32) |
842
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
100 char *gl_library = "OpenGL32.DLL"; |
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
101 #elif defined(__QNXNTO__) |
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
102 char *gl_library = "libGL.so.3"; |
842
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
103 #else |
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
104 char *gl_library = "libGL.so.1"; |
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
105 #endif |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
106 |
842
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
107 if (argv[1]) { |
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
108 gl_library = argv[1]; |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
109 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
110 |
842
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
111 if (SDL_Init(SDL_INIT_VIDEO)<0) |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
112 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
113 printf("Unable to init SDL : %s\n",SDL_GetError()); |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
114 return(1); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
115 } |
990
8e20c48a9c13
Restore everything when a function pointer is NULL
Patrice Mandin <patmandin@gmail.com>
parents:
910
diff
changeset
|
116 |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
117 if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1)<0) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
118 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
119 printf("Unable to set GL attribute : %s\n",SDL_GetError()); |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
120 quit(1); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
121 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
122 |
842
0eec9985767d
Load the correct library on Windows
Sam Lantinga <slouken@libsdl.org>
parents:
839
diff
changeset
|
123 if (SDL_GL_LoadLibrary(gl_library)<0) |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
124 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
125 printf("Unable to dynamically open GL lib : %s\n",SDL_GetError()); |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
126 quit(1); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
127 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
128 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
129 if (SDL_SetVideoMode(640,480,0,SDL_OPENGL)==NULL) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
130 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
131 printf("Unable to open video mode : %s\n",SDL_GetError()); |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
990
diff
changeset
|
132 quit(1); |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
133 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
134 |
910
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
135 /* Set the window manager title bar */ |
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
136 SDL_WM_SetCaption( "SDL Dynamic OpenGL Loading Test", "testdyngl" ); |
4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
885
diff
changeset
|
137 |
839
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
138 init_glfuncs(&f); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
139 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
140 for(i=0;i<NB_PIXELS;i++) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
141 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
142 pixels[3*i]=rand()%250-125; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
143 pixels[3*i+1]=rand()%250-125; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
144 pixels[3*i+2]=rand()%250-125; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
145 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
146 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
147 f.glViewport(0,0,640,480); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
148 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
149 f.glMatrixMode(GL_PROJECTION); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
150 f.glLoadIdentity(); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
151 f.glOrtho(-100,100,-100,100,-500,500); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
152 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
153 f.glMatrixMode(GL_MODELVIEW); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
154 f.glLoadIdentity(); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
155 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
156 f.glEnable(GL_DEPTH_TEST); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
157 f.glDisable(GL_TEXTURE_2D); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
158 f.glEnable(GL_BLEND); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
159 f.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
160 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
161 f.glClearColor(0.0f,0.0f,0.0f,0.0f); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
162 f.glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
163 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
164 f.glEnable(GL_POINT_SMOOTH); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
165 f.glHint(GL_POINT_SMOOTH_HINT,GL_NICEST); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
166 f.glPointSize(5.0f); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
167 f.glEnable(GL_FOG); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
168 f.glFogf(GL_FOG_START,-500); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
169 f.glFogf(GL_FOG_END,500); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
170 f.glFogf(GL_FOG_DENSITY,0.005); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
171 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
172 do |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
173 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
174 f.glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
175 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
176 f.glRotatef(2.0,1.0,1.0,1.0); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
177 f.glRotatef(1.0,0.0,1.0,1.0); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
178 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
179 f.glColor4ub(255,255,255,255); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
180 f.glBegin(GL_POINTS); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
181 for(i=0;i<NB_PIXELS;i++) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
182 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
183 f.glVertex3f(pixels[3*i],pixels[3*i+1],pixels[3*i+2]); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
184 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
185 f.glEnd(); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
186 SDL_GL_SwapBuffers(); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
187 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
188 while(SDL_PollEvent(&event)) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
189 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
190 if(event.type & SDL_KEYDOWN) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
191 done=1; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
192 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
193 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
194 SDL_Delay(20); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
195 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
196 while(!done); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
197 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
198 SDL_Quit(); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
199 return 0; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
200 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
201 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
202 #else /* HAVE_OPENGL */ |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
203 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
204 int main(int argc, char *argv[]) |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
205 { |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
206 printf("No OpenGL support on this system\n"); |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
207 return 1; |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
208 } |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
209 |
7b255f0290da
Added a test program for dynamically loading OpenGL
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
210 #endif /* HAVE_OPENGL */ |