Mercurial > sdl-ios-xcode
annotate test/testgl.c @ 4271:c57d816eb9c5 SDL-1.2
Updated version for mingw32 build
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 02 Oct 2009 11:12:04 +0000 |
parents | 9d940db55a91 |
children | c121d94672cb |
rev | line source |
---|---|
0 | 1 #include <stdlib.h> |
2 #include <stdio.h> | |
3 #include <string.h> | |
4 #include <math.h> | |
5 | |
6 #include "SDL.h" | |
7 | |
1815
871090feb7ad
Fixed building with CodeWarrior on MacOS Classic
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
8 #ifdef __MACOS__ |
871090feb7ad
Fixed building with CodeWarrior on MacOS Classic
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
9 #define HAVE_OPENGL |
871090feb7ad
Fixed building with CodeWarrior on MacOS Classic
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
10 #endif |
871090feb7ad
Fixed building with CodeWarrior on MacOS Classic
Sam Lantinga <slouken@libsdl.org>
parents:
1737
diff
changeset
|
11 |
0 | 12 #ifdef HAVE_OPENGL |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
13 |
214
0e5d6dd77bda
Added platform independent OpenGL header - SDL_opengl.h
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
14 #include "SDL_opengl.h" |
0 | 15 |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
16 /* Undefine this if you want a flat cube instead of a rainbow cube */ |
0 | 17 #define SHADED_CUBE |
18 | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
19 /* Define this to be the name of the logo image to use with -logo */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
20 #define LOGO_FILE "icon.bmp" |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
21 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
22 /* The SDL_OPENGLBLIT interface is deprecated. |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
23 The code is still available for benchmark purposes though. |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
24 */ |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
25 |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
26 static SDL_bool USE_DEPRECATED_OPENGLBLIT = SDL_FALSE; |
0 | 27 |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
28 static SDL_Surface *global_image = NULL; |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
29 static GLuint global_texture = 0; |
933
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
30 static GLuint cursor_texture = 0; |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
31 |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
32 /**********************************************************************/ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
33 |
0 | 34 void HotKey_ToggleFullScreen(void) |
35 { | |
36 SDL_Surface *screen; | |
37 | |
38 screen = SDL_GetVideoSurface(); | |
39 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
40 printf("Toggled fullscreen mode - now %s\n", | |
41 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
42 } else { | |
43 printf("Unable to toggle fullscreen mode\n"); | |
44 } | |
45 } | |
46 | |
47 void HotKey_ToggleGrab(void) | |
48 { | |
49 SDL_GrabMode mode; | |
50 | |
51 printf("Ctrl-G: toggling input grab!\n"); | |
52 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
53 if ( mode == SDL_GRAB_ON ) { | |
54 printf("Grab was on\n"); | |
55 } else { | |
56 printf("Grab was off\n"); | |
57 } | |
58 mode = SDL_WM_GrabInput(!mode); | |
59 if ( mode == SDL_GRAB_ON ) { | |
60 printf("Grab is now on\n"); | |
61 } else { | |
62 printf("Grab is now off\n"); | |
63 } | |
64 } | |
65 | |
66 void HotKey_Iconify(void) | |
67 { | |
68 printf("Ctrl-Z: iconifying window!\n"); | |
69 SDL_WM_IconifyWindow(); | |
70 } | |
71 | |
72 int HandleEvent(SDL_Event *event) | |
73 { | |
74 int done; | |
75 | |
76 done = 0; | |
77 switch( event->type ) { | |
78 case SDL_ACTIVEEVENT: | |
79 /* See what happened */ | |
80 printf( "app %s ", event->active.gain ? "gained" : "lost" ); | |
81 if ( event->active.state & SDL_APPACTIVE ) { | |
82 printf( "active " ); | |
83 } else if ( event->active.state & SDL_APPMOUSEFOCUS ) { | |
84 printf( "mouse " ); | |
85 } else if ( event->active.state & SDL_APPINPUTFOCUS ) { | |
86 printf( "input " ); | |
87 } | |
88 printf( "focus\n" ); | |
89 break; | |
90 | |
91 | |
92 case SDL_KEYDOWN: | |
93 if ( event->key.keysym.sym == SDLK_ESCAPE ) { | |
94 done = 1; | |
95 } | |
96 if ( (event->key.keysym.sym == SDLK_g) && | |
97 (event->key.keysym.mod & KMOD_CTRL) ) { | |
98 HotKey_ToggleGrab(); | |
99 } | |
100 if ( (event->key.keysym.sym == SDLK_z) && | |
101 (event->key.keysym.mod & KMOD_CTRL) ) { | |
102 HotKey_Iconify(); | |
103 } | |
104 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
105 (event->key.keysym.mod & KMOD_ALT) ) { | |
106 HotKey_ToggleFullScreen(); | |
107 } | |
108 printf("key '%s' pressed\n", | |
109 SDL_GetKeyName(event->key.keysym.sym)); | |
110 break; | |
111 case SDL_QUIT: | |
112 done = 1; | |
113 break; | |
114 } | |
115 return(done); | |
116 } | |
117 | |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
118 void SDL_GL_Enter2DMode() |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
119 { |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
120 SDL_Surface *screen = SDL_GetVideoSurface(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
121 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
122 /* Note, there may be other things you need to change, |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
123 depending on how you have your OpenGL state set up. |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
124 */ |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
125 glPushAttrib(GL_ENABLE_BIT); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
126 glDisable(GL_DEPTH_TEST); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
127 glDisable(GL_CULL_FACE); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
128 glEnable(GL_TEXTURE_2D); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
129 |
243
cf4944faad96
Fixed testgl so that SDL_GL_Enter2DMode() allows alpha blending
Sam Lantinga <slouken@libsdl.org>
parents:
234
diff
changeset
|
130 /* This allows alpha blending of 2D textures with the scene */ |
cf4944faad96
Fixed testgl so that SDL_GL_Enter2DMode() allows alpha blending
Sam Lantinga <slouken@libsdl.org>
parents:
234
diff
changeset
|
131 glEnable(GL_BLEND); |
cf4944faad96
Fixed testgl so that SDL_GL_Enter2DMode() allows alpha blending
Sam Lantinga <slouken@libsdl.org>
parents:
234
diff
changeset
|
132 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
cf4944faad96
Fixed testgl so that SDL_GL_Enter2DMode() allows alpha blending
Sam Lantinga <slouken@libsdl.org>
parents:
234
diff
changeset
|
133 |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
134 glViewport(0, 0, screen->w, screen->h); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
135 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
136 glMatrixMode(GL_PROJECTION); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
137 glPushMatrix(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
138 glLoadIdentity(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
139 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
140 glOrtho(0.0, (GLdouble)screen->w, (GLdouble)screen->h, 0.0, 0.0, 1.0); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
141 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
142 glMatrixMode(GL_MODELVIEW); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
143 glPushMatrix(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
144 glLoadIdentity(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
145 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
146 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
147 } |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
148 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
149 void SDL_GL_Leave2DMode() |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
150 { |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
151 glMatrixMode(GL_MODELVIEW); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
152 glPopMatrix(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
153 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
154 glMatrixMode(GL_PROJECTION); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
155 glPopMatrix(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
156 |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
157 glPopAttrib(); |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
158 } |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
159 |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
160 /* Quick utility function for texture creation */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
161 static int power_of_two(int input) |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
162 { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
163 int value = 1; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
164 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
165 while ( value < input ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
166 value <<= 1; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
167 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
168 return value; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
169 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
170 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
171 GLuint SDL_GL_LoadTexture(SDL_Surface *surface, GLfloat *texcoord) |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
172 { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
173 GLuint texture; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
174 int w, h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
175 SDL_Surface *image; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
176 SDL_Rect area; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
177 Uint32 saved_flags; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
178 Uint8 saved_alpha; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
179 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
180 /* Use the surface width and height expanded to powers of 2 */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
181 w = power_of_two(surface->w); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
182 h = power_of_two(surface->h); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
183 texcoord[0] = 0.0f; /* Min X */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
184 texcoord[1] = 0.0f; /* Min Y */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
185 texcoord[2] = (GLfloat)surface->w / w; /* Max X */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
186 texcoord[3] = (GLfloat)surface->h / h; /* Max Y */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
187 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
188 image = SDL_CreateRGBSurface( |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
189 SDL_SWSURFACE, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
190 w, h, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
191 32, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
192 #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
193 0x000000FF, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
194 0x0000FF00, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
195 0x00FF0000, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
196 0xFF000000 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
197 #else |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
198 0xFF000000, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
199 0x00FF0000, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
200 0x0000FF00, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
201 0x000000FF |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
202 #endif |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
203 ); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
204 if ( image == NULL ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
205 return 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
206 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
207 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
208 /* Save the alpha blending attributes */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
209 saved_flags = surface->flags&(SDL_SRCALPHA|SDL_RLEACCELOK); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
210 saved_alpha = surface->format->alpha; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
211 if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
212 SDL_SetAlpha(surface, 0, 0); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
213 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
214 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
215 /* Copy the surface into the GL texture image */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
216 area.x = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
217 area.y = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
218 area.w = surface->w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
219 area.h = surface->h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
220 SDL_BlitSurface(surface, &area, image, &area); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
221 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
222 /* Restore the alpha blending attributes */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
223 if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
224 SDL_SetAlpha(surface, saved_flags, saved_alpha); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
225 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
226 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
227 /* Create an OpenGL texture for the image */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
228 glGenTextures(1, &texture); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
229 glBindTexture(GL_TEXTURE_2D, texture); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
230 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
231 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
232 glTexImage2D(GL_TEXTURE_2D, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
233 0, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
234 GL_RGBA, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
235 w, h, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
236 0, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
237 GL_RGBA, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
238 GL_UNSIGNED_BYTE, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
239 image->pixels); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
240 SDL_FreeSurface(image); /* No longer needed */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
241 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
242 return texture; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
243 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
244 |
933
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
245 void DrawLogoCursor(void) |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
246 { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
247 static GLfloat texMinX, texMinY; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
248 static GLfloat texMaxX, texMaxY; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
249 static int w, h; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
250 int x, y; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
251 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
252 if ( ! cursor_texture ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
253 SDL_Surface *image; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
254 GLfloat texcoord[4]; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
255 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
256 /* Load the image (could use SDL_image library here) */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
257 image = SDL_LoadBMP(LOGO_FILE); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
258 if ( image == NULL ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
259 return; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
260 } |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
261 w = image->w; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
262 h = image->h; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
263 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
264 /* Convert the image into an OpenGL texture */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
265 cursor_texture = SDL_GL_LoadTexture(image, texcoord); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
266 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
267 /* Make texture coordinates easy to understand */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
268 texMinX = texcoord[0]; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
269 texMinY = texcoord[1]; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
270 texMaxX = texcoord[2]; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
271 texMaxY = texcoord[3]; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
272 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
273 /* We don't need the original image anymore */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
274 SDL_FreeSurface(image); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
275 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
276 /* Make sure that the texture conversion is okay */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
277 if ( ! cursor_texture ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
278 return; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
279 } |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
280 } |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
281 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
282 /* Move the image around */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
283 SDL_GetMouseState(&x, &y); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
284 x -= w/2; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
285 y -= h/2; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
286 |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
287 /* Show the image on the screen */ |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
288 SDL_GL_Enter2DMode(); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
289 glBindTexture(GL_TEXTURE_2D, cursor_texture); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
290 glBegin(GL_TRIANGLE_STRIP); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
291 glTexCoord2f(texMinX, texMinY); glVertex2i(x, y ); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
292 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y ); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
293 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
294 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
295 glEnd(); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
296 SDL_GL_Leave2DMode(); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
297 } |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
298 |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
299 void DrawLogoTexture(void) |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
300 { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
301 static GLfloat texMinX, texMinY; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
302 static GLfloat texMaxX, texMaxY; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
303 static int x = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
304 static int y = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
305 static int w, h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
306 static int delta_x = 1; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
307 static int delta_y = 1; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
308 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
309 SDL_Surface *screen = SDL_GetVideoSurface(); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
310 |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
311 if ( ! global_texture ) { |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
312 SDL_Surface *image; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
313 GLfloat texcoord[4]; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
314 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
315 /* Load the image (could use SDL_image library here) */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
316 image = SDL_LoadBMP(LOGO_FILE); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
317 if ( image == NULL ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
318 return; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
319 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
320 w = image->w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
321 h = image->h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
322 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
323 /* Convert the image into an OpenGL texture */ |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
324 global_texture = SDL_GL_LoadTexture(image, texcoord); |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
325 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
326 /* Make texture coordinates easy to understand */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
327 texMinX = texcoord[0]; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
328 texMinY = texcoord[1]; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
329 texMaxX = texcoord[2]; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
330 texMaxY = texcoord[3]; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
331 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
332 /* We don't need the original image anymore */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
333 SDL_FreeSurface(image); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
334 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
335 /* Make sure that the texture conversion is okay */ |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
336 if ( ! global_texture ) { |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
337 return; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
338 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
339 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
340 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
341 /* Move the image around */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
342 x += delta_x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
343 if ( x < 0 ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
344 x = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
345 delta_x = -delta_x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
346 } else |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
347 if ( (x+w) > screen->w ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
348 x = screen->w-w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
349 delta_x = -delta_x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
350 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
351 y += delta_y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
352 if ( y < 0 ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
353 y = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
354 delta_y = -delta_y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
355 } else |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
356 if ( (y+h) > screen->h ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
357 y = screen->h-h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
358 delta_y = -delta_y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
359 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
360 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
361 /* Show the image on the screen */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
362 SDL_GL_Enter2DMode(); |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
363 glBindTexture(GL_TEXTURE_2D, global_texture); |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
364 glBegin(GL_TRIANGLE_STRIP); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
365 glTexCoord2f(texMinX, texMinY); glVertex2i(x, y ); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
366 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y ); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
367 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
368 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
369 glEnd(); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
370 SDL_GL_Leave2DMode(); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
371 } |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
372 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
373 /* This code is deprecated, but available for speed comparisons */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
374 void DrawLogoBlit(void) |
0 | 375 { |
376 static int x = 0; | |
377 static int y = 0; | |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
378 static int w, h; |
0 | 379 static int delta_x = 1; |
380 static int delta_y = 1; | |
381 | |
382 SDL_Rect dst; | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
383 SDL_Surface *screen = SDL_GetVideoSurface(); |
0 | 384 |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
385 if ( global_image == NULL ) { |
0 | 386 SDL_Surface *temp; |
387 | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
388 /* Load the image (could use SDL_image library here) */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
389 temp = SDL_LoadBMP(LOGO_FILE); |
0 | 390 if ( temp == NULL ) { |
391 return; | |
392 } | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
393 w = temp->w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
394 h = temp->h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
395 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
396 /* Convert the image into the screen format */ |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
397 global_image = SDL_CreateRGBSurface( |
0 | 398 SDL_SWSURFACE, |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
399 w, h, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
400 screen->format->BitsPerPixel, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
401 screen->format->Rmask, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
402 screen->format->Gmask, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
403 screen->format->Bmask, |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
404 screen->format->Amask); |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
405 if ( global_image ) { |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
406 SDL_BlitSurface(temp, NULL, global_image, NULL); |
0 | 407 } |
408 SDL_FreeSurface(temp); | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
409 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
410 /* Make sure that the texture conversion is okay */ |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
411 if ( ! global_image ) { |
0 | 412 return; |
413 } | |
414 } | |
415 | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
416 /* Move the image around |
0 | 417 Note that we do not clear the old position. This is because we |
418 perform a glClear() which clears the framebuffer and then only | |
419 update the new area. | |
420 Note that you can also achieve interesting effects by modifying | |
421 the screen surface alpha channel. It's set to 255 by default.. | |
422 */ | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
423 x += delta_x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
424 if ( x < 0 ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
425 x = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
426 delta_x = -delta_x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
427 } else |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
428 if ( (x+w) > screen->w ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
429 x = screen->w-w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
430 delta_x = -delta_x; |
0 | 431 } |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
432 y += delta_y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
433 if ( y < 0 ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
434 y = 0; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
435 delta_y = -delta_y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
436 } else |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
437 if ( (y+h) > screen->h ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
438 y = screen->h-h; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
439 delta_y = -delta_y; |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
440 } |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
441 dst.x = x; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
442 dst.y = y; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
443 dst.w = w; |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
444 dst.h = h; |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
445 SDL_BlitSurface(global_image, NULL, screen, &dst); |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
446 |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
447 /* Show the image on the screen */ |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
448 SDL_UpdateRects(screen, 1, &dst); |
0 | 449 } |
450 | |
451 int RunGLTest( int argc, char* argv[], | |
1737 | 452 int logo, int logocursor, int slowly, int bpp, float gamma, int noframe, int fsaa, int sync, int accel ) |
0 | 453 { |
454 int i; | |
455 int rgb_size[3]; | |
456 int w = 640; | |
457 int h = 480; | |
458 int done = 0; | |
459 int frames; | |
460 Uint32 start_time, this_time; | |
461 float color[8][3]= {{ 1.0, 1.0, 0.0}, | |
462 { 1.0, 0.0, 0.0}, | |
463 { 0.0, 0.0, 0.0}, | |
464 { 0.0, 1.0, 0.0}, | |
465 { 0.0, 1.0, 1.0}, | |
466 { 1.0, 1.0, 1.0}, | |
467 { 1.0, 0.0, 1.0}, | |
468 { 0.0, 0.0, 1.0}}; | |
469 float cube[8][3]= {{ 0.5, 0.5, -0.5}, | |
470 { 0.5, -0.5, -0.5}, | |
471 {-0.5, -0.5, -0.5}, | |
472 {-0.5, 0.5, -0.5}, | |
473 {-0.5, 0.5, 0.5}, | |
474 { 0.5, 0.5, 0.5}, | |
475 { 0.5, -0.5, 0.5}, | |
476 {-0.5, -0.5, 0.5}}; | |
477 Uint32 video_flags; | |
478 int value; | |
479 | |
480 if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) { | |
481 fprintf(stderr,"Couldn't initialize SDL: %s\n",SDL_GetError()); | |
482 exit( 1 ); | |
483 } | |
484 | |
485 /* See if we should detect the display depth */ | |
486 if ( bpp == 0 ) { | |
487 if ( SDL_GetVideoInfo()->vfmt->BitsPerPixel <= 8 ) { | |
488 bpp = 8; | |
489 } else { | |
490 bpp = 16; /* More doesn't seem to work */ | |
491 } | |
492 } | |
493 | |
494 /* Set the flags we want to use for setting the video mode */ | |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
495 if ( logo && USE_DEPRECATED_OPENGLBLIT ) { |
0 | 496 video_flags = SDL_OPENGLBLIT; |
497 } else { | |
498 video_flags = SDL_OPENGL; | |
499 } | |
500 for ( i=1; argv[i]; ++i ) { | |
1265
670e74bf5cc8
Date: Mon, 22 Sep 2003 23:31:54 -0700 (PDT)
Sam Lantinga <slouken@libsdl.org>
parents:
933
diff
changeset
|
501 if ( strcmp(argv[i], "-fullscreen") == 0 ) { |
0 | 502 video_flags |= SDL_FULLSCREEN; |
503 } | |
504 } | |
505 | |
320
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
506 if (noframe) { |
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
507 video_flags |= SDL_NOFRAME; |
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
508 } |
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
509 |
0 | 510 /* Initialize the display */ |
511 switch (bpp) { | |
512 case 8: | |
363
ca0b4ba5313e
Date: Thu, 18 Apr 2002 13:50:53 -0700
Sam Lantinga <slouken@libsdl.org>
parents:
320
diff
changeset
|
513 rgb_size[0] = 3; |
0 | 514 rgb_size[1] = 3; |
363
ca0b4ba5313e
Date: Thu, 18 Apr 2002 13:50:53 -0700
Sam Lantinga <slouken@libsdl.org>
parents:
320
diff
changeset
|
515 rgb_size[2] = 2; |
0 | 516 break; |
517 case 15: | |
518 case 16: | |
519 rgb_size[0] = 5; | |
520 rgb_size[1] = 5; | |
521 rgb_size[2] = 5; | |
522 break; | |
523 default: | |
524 rgb_size[0] = 8; | |
525 rgb_size[1] = 8; | |
526 rgb_size[2] = 8; | |
527 break; | |
528 } | |
529 SDL_GL_SetAttribute( SDL_GL_RED_SIZE, rgb_size[0] ); | |
530 SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, rgb_size[1] ); | |
531 SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, rgb_size[2] ); | |
532 SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 ); | |
533 SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); | |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
534 if ( fsaa ) { |
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
535 SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 ); |
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
536 SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, fsaa ); |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
537 } |
1737 | 538 if ( accel ) { |
539 SDL_GL_SetAttribute( SDL_GL_ACCELERATED_VISUAL, 1 ); | |
540 } | |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
541 if ( sync ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
542 SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, 1 ); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
543 } else { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
544 SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, 0 ); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
545 } |
0 | 546 if ( SDL_SetVideoMode( w, h, bpp, video_flags ) == NULL ) { |
547 fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError()); | |
548 SDL_Quit(); | |
549 exit(1); | |
550 } | |
551 | |
552 printf("Screen BPP: %d\n", SDL_GetVideoSurface()->format->BitsPerPixel); | |
553 printf("\n"); | |
554 printf( "Vendor : %s\n", glGetString( GL_VENDOR ) ); | |
555 printf( "Renderer : %s\n", glGetString( GL_RENDERER ) ); | |
556 printf( "Version : %s\n", glGetString( GL_VERSION ) ); | |
557 printf( "Extensions : %s\n", glGetString( GL_EXTENSIONS ) ); | |
558 printf("\n"); | |
559 | |
560 SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &value ); | |
561 printf( "SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0],value); | |
562 SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &value ); | |
563 printf( "SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1],value); | |
564 SDL_GL_GetAttribute( SDL_GL_BLUE_SIZE, &value ); | |
565 printf( "SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2],value); | |
566 SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &value ); | |
567 printf( "SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value ); | |
568 SDL_GL_GetAttribute( SDL_GL_DOUBLEBUFFER, &value ); | |
569 printf( "SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value ); | |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
570 if ( fsaa ) { |
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
571 SDL_GL_GetAttribute( SDL_GL_MULTISAMPLEBUFFERS, &value ); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
572 printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value ); |
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
573 SDL_GL_GetAttribute( SDL_GL_MULTISAMPLESAMPLES, &value ); |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
574 printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value ); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
575 } |
1737 | 576 if ( accel ) { |
577 SDL_GL_GetAttribute( SDL_GL_ACCELERATED_VISUAL, &value ); | |
578 printf( "SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value ); | |
579 } | |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
580 if ( sync ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
581 SDL_GL_GetAttribute( SDL_GL_SWAP_CONTROL, &value ); |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
582 printf( "SDL_GL_SWAP_CONTROL: requested 1, got %d\n", value ); |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
583 } |
0 | 584 |
585 /* Set the window manager title bar */ | |
586 SDL_WM_SetCaption( "SDL GL test", "testgl" ); | |
587 | |
588 /* Set the gamma for the window */ | |
589 if ( gamma != 0.0 ) { | |
590 SDL_SetGamma(gamma, gamma, gamma); | |
591 } | |
592 | |
593 glViewport( 0, 0, w, h ); | |
594 glMatrixMode( GL_PROJECTION ); | |
595 glLoadIdentity( ); | |
596 | |
597 glOrtho( -2.0, 2.0, -2.0, 2.0, -20.0, 20.0 ); | |
598 | |
599 glMatrixMode( GL_MODELVIEW ); | |
600 glLoadIdentity( ); | |
601 | |
602 glEnable(GL_DEPTH_TEST); | |
603 | |
604 glDepthFunc(GL_LESS); | |
605 | |
606 glShadeModel(GL_SMOOTH); | |
607 | |
608 /* Loop until done. */ | |
609 start_time = SDL_GetTicks(); | |
610 frames = 0; | |
611 while( !done ) { | |
612 GLenum gl_error; | |
613 char* sdl_error; | |
614 SDL_Event event; | |
615 | |
616 /* Do our drawing, too. */ | |
617 glClearColor( 0.0, 0.0, 0.0, 1.0 ); | |
618 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
619 | |
620 glBegin( GL_QUADS ); | |
621 | |
622 #ifdef SHADED_CUBE | |
623 glColor3fv(color[0]); | |
624 glVertex3fv(cube[0]); | |
625 glColor3fv(color[1]); | |
626 glVertex3fv(cube[1]); | |
627 glColor3fv(color[2]); | |
628 glVertex3fv(cube[2]); | |
629 glColor3fv(color[3]); | |
630 glVertex3fv(cube[3]); | |
631 | |
632 glColor3fv(color[3]); | |
633 glVertex3fv(cube[3]); | |
634 glColor3fv(color[4]); | |
635 glVertex3fv(cube[4]); | |
636 glColor3fv(color[7]); | |
637 glVertex3fv(cube[7]); | |
638 glColor3fv(color[2]); | |
639 glVertex3fv(cube[2]); | |
640 | |
641 glColor3fv(color[0]); | |
642 glVertex3fv(cube[0]); | |
643 glColor3fv(color[5]); | |
644 glVertex3fv(cube[5]); | |
645 glColor3fv(color[6]); | |
646 glVertex3fv(cube[6]); | |
647 glColor3fv(color[1]); | |
648 glVertex3fv(cube[1]); | |
649 | |
650 glColor3fv(color[5]); | |
651 glVertex3fv(cube[5]); | |
652 glColor3fv(color[4]); | |
653 glVertex3fv(cube[4]); | |
654 glColor3fv(color[7]); | |
655 glVertex3fv(cube[7]); | |
656 glColor3fv(color[6]); | |
657 glVertex3fv(cube[6]); | |
658 | |
659 glColor3fv(color[5]); | |
660 glVertex3fv(cube[5]); | |
661 glColor3fv(color[0]); | |
662 glVertex3fv(cube[0]); | |
663 glColor3fv(color[3]); | |
664 glVertex3fv(cube[3]); | |
665 glColor3fv(color[4]); | |
666 glVertex3fv(cube[4]); | |
667 | |
668 glColor3fv(color[6]); | |
669 glVertex3fv(cube[6]); | |
670 glColor3fv(color[1]); | |
671 glVertex3fv(cube[1]); | |
672 glColor3fv(color[2]); | |
673 glVertex3fv(cube[2]); | |
674 glColor3fv(color[7]); | |
675 glVertex3fv(cube[7]); | |
1439
4d3bb026cd16
Fixed warnings in -pedantic mode
Sam Lantinga <slouken@libsdl.org>
parents:
1265
diff
changeset
|
676 #else /* flat cube */ |
0 | 677 glColor3f(1.0, 0.0, 0.0); |
678 glVertex3fv(cube[0]); | |
679 glVertex3fv(cube[1]); | |
680 glVertex3fv(cube[2]); | |
681 glVertex3fv(cube[3]); | |
682 | |
683 glColor3f(0.0, 1.0, 0.0); | |
684 glVertex3fv(cube[3]); | |
685 glVertex3fv(cube[4]); | |
686 glVertex3fv(cube[7]); | |
687 glVertex3fv(cube[2]); | |
688 | |
689 glColor3f(0.0, 0.0, 1.0); | |
690 glVertex3fv(cube[0]); | |
691 glVertex3fv(cube[5]); | |
692 glVertex3fv(cube[6]); | |
693 glVertex3fv(cube[1]); | |
694 | |
695 glColor3f(0.0, 1.0, 1.0); | |
696 glVertex3fv(cube[5]); | |
697 glVertex3fv(cube[4]); | |
698 glVertex3fv(cube[7]); | |
699 glVertex3fv(cube[6]); | |
700 | |
701 glColor3f(1.0, 1.0, 0.0); | |
702 glVertex3fv(cube[5]); | |
703 glVertex3fv(cube[0]); | |
704 glVertex3fv(cube[3]); | |
705 glVertex3fv(cube[4]); | |
706 | |
707 glColor3f(1.0, 0.0, 1.0); | |
708 glVertex3fv(cube[6]); | |
709 glVertex3fv(cube[1]); | |
710 glVertex3fv(cube[2]); | |
711 glVertex3fv(cube[7]); | |
712 #endif /* SHADED_CUBE */ | |
713 | |
714 glEnd( ); | |
715 | |
716 glMatrixMode(GL_MODELVIEW); | |
717 glRotatef(5.0, 1.0, 1.0, 1.0); | |
718 | |
719 /* Draw 2D logo onto the 3D display */ | |
720 if ( logo ) { | |
234
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
721 if ( USE_DEPRECATED_OPENGLBLIT ) { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
722 DrawLogoBlit(); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
723 } else { |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
724 DrawLogoTexture(); |
1af4be6a73cd
Modified the logo texture load to accept any width/height image
Sam Lantinga <slouken@libsdl.org>
parents:
233
diff
changeset
|
725 } |
0 | 726 } |
933
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
727 if ( logocursor ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
728 DrawLogoCursor(); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
729 } |
0 | 730 |
731 SDL_GL_SwapBuffers( ); | |
732 | |
733 /* Check for error conditions. */ | |
734 gl_error = glGetError( ); | |
735 | |
736 if( gl_error != GL_NO_ERROR ) { | |
737 fprintf( stderr, "testgl: OpenGL error: %d\n", gl_error ); | |
738 } | |
739 | |
740 sdl_error = SDL_GetError( ); | |
741 | |
742 if( sdl_error[0] != '\0' ) { | |
743 fprintf(stderr, "testgl: SDL error '%s'\n", sdl_error); | |
744 SDL_ClearError(); | |
745 } | |
746 | |
747 /* Allow the user to see what's happening */ | |
748 if ( slowly ) { | |
749 SDL_Delay( 20 ); | |
750 } | |
751 | |
752 /* Check if there's a pending event. */ | |
753 while( SDL_PollEvent( &event ) ) { | |
754 done = HandleEvent(&event); | |
755 } | |
756 ++frames; | |
757 } | |
758 | |
759 /* Print out the frames per second */ | |
760 this_time = SDL_GetTicks(); | |
761 if ( this_time != start_time ) { | |
762 printf("%2.2f FPS\n", | |
763 ((float)frames/(this_time-start_time))*1000.0); | |
764 } | |
765 | |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
766 if ( global_image ) { |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
767 SDL_FreeSurface(global_image); |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
768 global_image = NULL; |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
769 } |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
770 if ( global_texture ) { |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
771 glDeleteTextures( 1, &global_texture ); |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
772 global_texture = 0; |
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
773 } |
933
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
774 if ( cursor_texture ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
775 glDeleteTextures( 1, &cursor_texture ); |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
776 cursor_texture = 0; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
777 } |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
778 |
0 | 779 /* Destroy our GL context, etc. */ |
780 SDL_Quit( ); | |
781 return(0); | |
782 } | |
783 | |
784 int main(int argc, char *argv[]) | |
785 { | |
1439
4d3bb026cd16
Fixed warnings in -pedantic mode
Sam Lantinga <slouken@libsdl.org>
parents:
1265
diff
changeset
|
786 int i, logo, logocursor = 0; |
0 | 787 int numtests; |
788 int bpp = 0; | |
789 int slowly; | |
790 float gamma = 0.0; | |
492
c59692dcdce0
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
363
diff
changeset
|
791 int noframe = 0; |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
792 int fsaa = 0; |
1737 | 793 int accel = 0; |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
794 int sync = 0; |
0 | 795 |
796 logo = 0; | |
797 slowly = 0; | |
798 numtests = 1; | |
799 for ( i=1; argv[i]; ++i ) { | |
800 if ( strcmp(argv[i], "-twice") == 0 ) { | |
801 ++numtests; | |
802 } | |
803 if ( strcmp(argv[i], "-logo") == 0 ) { | |
804 logo = 1; | |
233
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
805 USE_DEPRECATED_OPENGLBLIT = SDL_FALSE; |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
806 } |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
807 if ( strcmp(argv[i], "-logoblit") == 0 ) { |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
808 logo = 1; |
5b42a7f5fab3
SDL_OPENGLBLIT is deprecated, show the "right way" of doing things
Sam Lantinga <slouken@libsdl.org>
parents:
221
diff
changeset
|
809 USE_DEPRECATED_OPENGLBLIT = SDL_TRUE; |
0 | 810 } |
933
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
811 if ( strcmp(argv[i], "-logocursor") == 0 ) { |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
812 logocursor = 1; |
4272450dd8d0
Added an option to show the logo at the cursor position for debugging
Sam Lantinga <slouken@libsdl.org>
parents:
910
diff
changeset
|
813 } |
0 | 814 if ( strcmp(argv[i], "-slow") == 0 ) { |
815 slowly = 1; | |
816 } | |
817 if ( strcmp(argv[i], "-bpp") == 0 ) { | |
818 bpp = atoi(argv[++i]); | |
819 } | |
820 if ( strcmp(argv[i], "-gamma") == 0 ) { | |
821 gamma = (float)atof(argv[++i]); | |
822 } | |
320
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
823 if ( strcmp(argv[i], "-noframe") == 0 ) { |
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
824 noframe = 1; |
66f815c147ed
Date: Thu, 28 Mar 2002 09:20:03 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
243
diff
changeset
|
825 } |
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
826 if ( strcmp(argv[i], "-fsaa") == 0 ) { |
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
827 ++fsaa; |
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
492
diff
changeset
|
828 } |
1737 | 829 if ( strcmp(argv[i], "-accel") == 0 ) { |
830 ++accel; | |
831 } | |
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
832 if ( strcmp(argv[i], "-sync") == 0 ) { |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
833 ++sync; |
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
834 } |
0 | 835 if ( strncmp(argv[i], "-h", 2) == 0 ) { |
836 printf( | |
1880 | 837 "Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-accel] [-sync] [-fullscreen]\n", |
0 | 838 argv[0]); |
839 exit(0); | |
840 } | |
841 } | |
842 for ( i=0; i<numtests; ++i ) { | |
1737 | 843 RunGLTest(argc, argv, logo, logocursor, slowly, bpp, gamma, noframe, fsaa, sync, accel); |
0 | 844 } |
845 return 0; | |
846 } | |
847 | |
848 #else /* HAVE_OPENGL */ | |
849 | |
850 int main(int argc, char *argv[]) | |
851 { | |
852 printf("No OpenGL support on this system\n"); | |
853 return 1; | |
854 } | |
855 | |
856 #endif /* HAVE_OPENGL */ |