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changeset 3570:7812d3e9564e

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OpenGL hardware acceleration defaults on
author Sam Lantinga <slouken@libsdl.org>
date Tue, 15 Dec 2009 20:36:31 +0000
parents 7f743e9b0b5b
children 19691cebb866
files src/video/SDL_video.c src/video/cocoa/SDL_cocoaopengl.m src/video/win32/SDL_win32opengl.c src/video/x11/SDL_x11opengl.c test/testgl.c test/testgl2.c
diffstat 6 files changed, 37 insertions(+), 41 deletions(-) [+]
line wrap: on
line diff
--- a/src/video/SDL_video.c	Tue Dec 15 20:14:50 2009 +0000
+++ b/src/video/SDL_video.c	Tue Dec 15 20:36:31 2009 +0000
@@ -239,7 +239,7 @@
     _this->gl_config.multisamplebuffers = 0;
     _this->gl_config.multisamplesamples = 0;
     _this->gl_config.retained_backing = 1;
-    _this->gl_config.accelerated = -1;  /* not known, don't set */
+    _this->gl_config.accelerated = 1;
     _this->gl_config.major_version = 2;
     _this->gl_config.minor_version = 1;
 
@@ -3274,7 +3274,7 @@
     case SDL_GL_ACCELERATED_VISUAL:
         {
             /* FIXME: How do we get this information? */
-            *value = (_this->gl_config.accelerated != 0);
+            *value = _this->gl_config.accelerated;
             return 0;
         }
     default:
--- a/src/video/cocoa/SDL_cocoaopengl.m	Tue Dec 15 20:14:50 2009 +0000
+++ b/src/video/cocoa/SDL_cocoaopengl.m	Tue Dec 15 20:36:31 2009 +0000
@@ -28,6 +28,7 @@
 #if SDL_VIDEO_OPENGL_CGL
 #include <OpenGL/CGLTypes.h>
 #include <OpenGL/OpenGL.h>
+#include <OpenGL/CGLRenderers.h>
 
 #include "SDL_loadso.h"
 #include "SDL_opengl.h"
@@ -132,8 +133,11 @@
         attr[i++] = NSOpenGLPFANoRecovery;
     }
 
-    if (_this->gl_config.accelerated > 0) {
+    if (_this->gl_config.accelerated) {
         attr[i++] = NSOpenGLPFAAccelerated;
+    } else {
+        attr[i++] = NSOpenGLPFARendererID;
+        attr[i++] = kCGLRendererGenericFloatID;
     }
 
     attr[i++] = NSOpenGLPFAScreenMask;
--- a/src/video/win32/SDL_win32opengl.c	Tue Dec 15 20:14:50 2009 +0000
+++ b/src/video/win32/SDL_win32opengl.c	Tue Dec 15 20:36:31 2009 +0000
@@ -469,12 +469,9 @@
         *iAttr++ = _this->gl_config.multisamplesamples;
     }
 
-    if (_this->gl_config.accelerated >= 0) {
-        *iAttr++ = WGL_ACCELERATION_ARB;
-        *iAttr++ =
-            (_this->gl_config.accelerated ? WGL_GENERIC_ACCELERATION_ARB :
-             WGL_NO_ACCELERATION_ARB);
-    }
+    *iAttr++ = WGL_ACCELERATION_ARB;
+    *iAttr++ = (_this->gl_config.accelerated ? WGL_GENERIC_ACCELERATION_ARB :
+                                               WGL_NO_ACCELERATION_ARB);
 
     *iAttr = 0;
 
--- a/src/video/x11/SDL_x11opengl.c	Tue Dec 15 20:14:50 2009 +0000
+++ b/src/video/x11/SDL_x11opengl.c	Tue Dec 15 20:36:31 2009 +0000
@@ -359,17 +359,19 @@
         attribs[i++] = _this->gl_config.multisamplesamples;
     }
 
-    if (_this->gl_config.accelerated >= 0
-        && _this->gl_data->HAS_GLX_EXT_visual_rating) {
+    if (_this->gl_data->HAS_GLX_EXT_visual_rating) {
         attribs[i++] = GLX_VISUAL_CAVEAT_EXT;
-        attribs[i++] = GLX_NONE_EXT;
+        attribs[i++] = _this->gl_config.accelerated ? GLX_NONE_EXT :
+                                                      GLX_SLOW_VISUAL_EXT;
     }
+
 #ifdef GLX_DIRECT_COLOR         /* Try for a DirectColor visual for gamma support */
     if (X11_UseDirectColorVisuals()) {
         attribs[i++] = GLX_X_VISUAL_TYPE;
         attribs[i++] = GLX_DIRECT_COLOR;
     }
 #endif
+
     attribs[i++] = None;
 
     vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
--- a/test/testgl.c	Tue Dec 15 20:14:50 2009 +0000
+++ b/test/testgl.c	Tue Dec 15 20:36:31 2009 +0000
@@ -370,7 +370,7 @@
 int
 RunGLTest(int argc, char *argv[],
           int logo, int logocursor, int slowly, int bpp, float gamma,
-          int noframe, int fsaa, int sync, int accel)
+          int noframe, int fsaa, int sync, int noaccel)
 {
     int i;
     int rgb_size[3];
@@ -454,9 +454,7 @@
         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa);
     }
-    if (accel) {
-        SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
-    }
+    SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, !noaccel);
     if (SDL_SetVideoMode(w, h, bpp, video_flags) == NULL) {
         fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
         SDL_Quit();
@@ -493,10 +491,8 @@
         printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
                value);
     }
-    if (accel) {
-        SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
-        printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
-    }
+    SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
+    printf("SDL_GL_ACCELERATED_VISUAL: requested %d, got %d\n", !noaccel, value);
     if (sync) {
         printf("Buffer swap interval: requested 1, got %d\n",
                SDL_GL_GetSwapInterval());
@@ -707,7 +703,7 @@
     float gamma = 0.0;
     int noframe = 0;
     int fsaa = 0;
-    int accel = 0;
+    int noaccel = 0;
     int sync = 0;
 
     logo = 0;
@@ -738,22 +734,22 @@
         if (strcmp(argv[i], "-fsaa") == 0) {
             ++fsaa;
         }
-        if (strcmp(argv[i], "-accel") == 0) {
-            ++accel;
+        if (strcmp(argv[i], "-noaccel") == 0) {
+            ++noaccel;
         }
         if (strcmp(argv[i], "-sync") == 0) {
             ++sync;
         }
         if (strncmp(argv[i], "-h", 2) == 0) {
             printf
-                ("Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-accel] [-sync] [-fullscreen]\n",
+                ("Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-noaccel] [-sync] [-fullscreen]\n",
                  argv[0]);
             exit(0);
         }
     }
     for (i = 0; i < numtests; ++i) {
         RunGLTest(argc, argv, logo, logocursor, slowly, bpp, gamma,
-                  noframe, fsaa, sync, accel);
+                  noframe, fsaa, sync, noaccel);
     }
     return 0;
 }
--- a/test/testgl2.c	Tue Dec 15 20:14:50 2009 +0000
+++ b/test/testgl2.c	Tue Dec 15 20:36:31 2009 +0000
@@ -162,7 +162,7 @@
 int
 main(int argc, char *argv[])
 {
-    int fsaa, accel;
+    int fsaa, noaccel;
     int value;
     int i, done;
     SDL_DisplayMode mode;
@@ -172,7 +172,7 @@
 
     /* Initialize parameters */
     fsaa = 0;
-    accel = 0;
+    noaccel = 0;
 
     /* Initialize test framework */
     state = CommonCreateState(argv, SDL_INIT_VIDEO);
@@ -187,15 +187,15 @@
             if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
                 ++fsaa;
                 consumed = 1;
-            } else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
-                ++accel;
+            } else if (SDL_strcasecmp(argv[i], "--noaccel") == 0) {
+                ++noaccel;
                 consumed = 1;
             } else {
                 consumed = -1;
             }
         }
         if (consumed < 0) {
-            fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0],
+            fprintf(stderr, "Usage: %s %s [--fsaa] [--noaccel]\n", argv[0],
                     CommonUsage(state));
             quit(1);
         }
@@ -213,9 +213,7 @@
         state->gl_multisamplebuffers = 1;
         state->gl_multisamplesamples = fsaa;
     }
-    if (accel) {
-        state->gl_accelerated=1;
-    }
+    state->gl_accelerated = !noaccel;
 
     if (!CommonInit(state)) {
         quit(2);
@@ -284,14 +282,13 @@
                    SDL_GetError());
         }
     }
-    if (accel) {
-        status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
-        if (!status) {
-            printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
-        } else {
-            printf("Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
-                   SDL_GetError());
-        }
+    status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
+    if (!status) {
+        printf("SDL_GL_ACCELERATED_VISUAL: requested %d, got %d\n", !noaccel,
+               value);
+    } else {
+        printf("Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
+               SDL_GetError());
     }
 
     /* Set rendering settings */