Mercurial > sdl-ios-xcode
view src/video/cocoa/SDL_cocoaopengl.m @ 3099:82e60908fab1
Date: Mon, 23 Mar 2009 09:17:24 +0200
From: "Mike Gorchak"
Subject: New QNX patches
Please apply patch qnx4.diff, which is attached. What has been done:
1)Added back OpenGL ES renderer for QNX target. Added few corrections to
OpenGL ES renderer to let it work under QNX. OpenGL ES renderer do not
support textures under QNX, so I think some additional work must be done.
2) Added GL_OES_query_matrix extension to SDL_opengles.h header file, which
required by OpenGL ES 1.1 specification.
3) Added attribute clearing at the entrance of function
SDL_GL_GetAttribure(). Added error checking into the function
SDL_GL_GetAttribure(), because some attributes can't be obtained in OpenGL
ES 1.0.
4) Porting testdyngles to OpenGL ES 1.0 (1.1 has glColor4ub() and
glColor4f() functions, but 1.0 has glColor4f() only).
5) Added error checking after obtaining attributes using
SDL_GL_GetAttribute() function to the testgl2 and testgles.
6) Small correction to testmultiaudio with printing errors.
7) Added software and accelerated OpenGL ES 1.0 support into the QNX GF
driver.
Please remove ./src/audio/nto directory - it will not be used anymore.
Please create ./src/audio/qsa directory and add content of the archive
qsa.tar.gz into this directory. I rewrote some sound code, added support for
multiple audio cards, enumeration, etc. Added initial support for capture.
As far as I can understand SDL 1.3 is not supporting audio capture right now
? Sam, Am I right ? Or audio capture must be supported through the
PlayDevice routine ?
And last, please put file SDL_gf_opengles.c to the ./src/video/qnxgf
directory. It is OpenGL ES 1.1 emulation layer for some functions, which are
not supported by OpenGL ES 1.0.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 24 Mar 2009 10:33:12 +0000 |
parents | 089a77aebb7d |
children | 7812d3e9564e |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include "SDL_cocoavideo.h" /* NSOpenGL implementation of SDL OpenGL support */ #if SDL_VIDEO_OPENGL_CGL #include <OpenGL/CGLTypes.h> #include <OpenGL/OpenGL.h> #include "SDL_loadso.h" #include "SDL_opengl.h" #define DEFAULT_OPENGL "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib" /* This is implemented in Mac OS X 10.3 and above */ #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_3 @implementation NSOpenGLContext(CGLContextAccess) - (CGLContextObj)CGLContextObj; { return _contextAuxiliary; } @end #endif /* < 10.3 */ int Cocoa_GL_LoadLibrary(_THIS, const char *path) { /* Load the OpenGL library */ if (path == NULL) { path = SDL_getenv("SDL_OPENGL_LIBRARY"); } if (path == NULL) { path = DEFAULT_OPENGL; } _this->gl_config.dll_handle = SDL_LoadObject(path); if (!_this->gl_config.dll_handle) { return -1; } SDL_strlcpy(_this->gl_config.driver_path, path, SDL_arraysize(_this->gl_config.driver_path)); return 0; } void * Cocoa_GL_GetProcAddress(_THIS, const char *proc) { return SDL_LoadFunction(_this->gl_config.dll_handle, proc); } void Cocoa_GL_UnloadLibrary(_THIS) { SDL_UnloadObject(_this->gl_config.dll_handle); _this->gl_config.dll_handle = NULL; } SDL_GLContext Cocoa_GL_CreateContext(_THIS, SDL_Window * window) { NSAutoreleasePool *pool; SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata; NSOpenGLPixelFormatAttribute attr[32]; NSOpenGLPixelFormat *fmt; NSOpenGLContext *context; int i = 0; pool = [[NSAutoreleasePool alloc] init]; if (window->flags & SDL_WINDOW_FULLSCREEN) { attr[i++] = NSOpenGLPFAFullScreen; } attr[i++] = NSOpenGLPFAColorSize; attr[i++] = SDL_BYTESPERPIXEL(display->current_mode.format)*8; attr[i++] = NSOpenGLPFADepthSize; attr[i++] = _this->gl_config.depth_size; if (_this->gl_config.double_buffer) { attr[i++] = NSOpenGLPFADoubleBuffer; } if (_this->gl_config.stereo) { attr[i++] = NSOpenGLPFAStereo; } if (_this->gl_config.stencil_size) { attr[i++] = NSOpenGLPFAStencilSize; attr[i++] = _this->gl_config.stencil_size; } if ((_this->gl_config.accum_red_size + _this->gl_config.accum_green_size + _this->gl_config.accum_blue_size + _this->gl_config.accum_alpha_size) > 0) { attr[i++] = NSOpenGLPFAAccumSize; attr[i++] = _this->gl_config.accum_red_size + _this->gl_config.accum_green_size + _this->gl_config.accum_blue_size + _this->gl_config.accum_alpha_size; } if (_this->gl_config.multisamplebuffers) { attr[i++] = NSOpenGLPFASampleBuffers; attr[i++] = _this->gl_config.multisamplebuffers; } if (_this->gl_config.multisamplesamples) { attr[i++] = NSOpenGLPFASamples; attr[i++] = _this->gl_config.multisamplesamples; attr[i++] = NSOpenGLPFANoRecovery; } if (_this->gl_config.accelerated > 0) { attr[i++] = NSOpenGLPFAAccelerated; } attr[i++] = NSOpenGLPFAScreenMask; attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display); attr[i] = 0; fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr]; if (fmt == nil) { SDL_SetError ("Failed creating OpenGL pixel format"); [pool release]; return NULL; } context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil]; [fmt release]; if (context == nil) { SDL_SetError ("Failed creating OpenGL context"); [pool release]; return NULL; } /* * Wisdom from Apple engineer in reference to UT2003's OpenGL performance: * "You are blowing a couple of the internal OpenGL function caches. This * appears to be happening in the VAO case. You can tell OpenGL to up * the cache size by issuing the following calls right after you create * the OpenGL context. The default cache size is 16." --ryan. */ #ifndef GLI_ARRAY_FUNC_CACHE_MAX #define GLI_ARRAY_FUNC_CACHE_MAX 284 #endif #ifndef GLI_SUBMIT_FUNC_CACHE_MAX #define GLI_SUBMIT_FUNC_CACHE_MAX 280 #endif { long cache_max = 64; CGLContextObj ctx = [context CGLContextObj]; CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max); CGLSetParameter (ctx, GLI_ARRAY_FUNC_CACHE_MAX, &cache_max); } /* End Wisdom from Apple Engineer section. --ryan. */ [pool release]; if ( Cocoa_GL_MakeCurrent(_this, window, context) < 0 ) { Cocoa_GL_DeleteContext(_this, context); return NULL; } return context; } int Cocoa_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context) { NSAutoreleasePool *pool; pool = [[NSAutoreleasePool alloc] init]; if (context) { SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata; NSOpenGLContext *nscontext = (NSOpenGLContext *)context; if (window->flags & SDL_WINDOW_FULLSCREEN) { [nscontext setFullScreen]; } else { [nscontext setView:[windowdata->window contentView]]; [nscontext update]; } [nscontext makeCurrentContext]; } else { [NSOpenGLContext clearCurrentContext]; } [pool release]; return 0; } int Cocoa_GL_SetSwapInterval(_THIS, int interval) { NSAutoreleasePool *pool; NSOpenGLContext *nscontext; GLint value; int status; pool = [[NSAutoreleasePool alloc] init]; nscontext = [NSOpenGLContext currentContext]; if (nscontext != nil) { value = interval; [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval]; status = 0; } else { SDL_SetError("No current OpenGL context"); status = -1; } [pool release]; return status; } int Cocoa_GL_GetSwapInterval(_THIS) { NSAutoreleasePool *pool; NSOpenGLContext *nscontext; GLint value; int status; pool = [[NSAutoreleasePool alloc] init]; nscontext = [NSOpenGLContext currentContext]; if (nscontext != nil) { [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval]; status = (int)value; } else { SDL_SetError("No current OpenGL context"); status = -1; } [pool release]; return status; } void Cocoa_GL_SwapWindow(_THIS, SDL_Window * window) { NSAutoreleasePool *pool; NSOpenGLContext *nscontext; pool = [[NSAutoreleasePool alloc] init]; /* FIXME: Do we need to get the context for the window? */ nscontext = [NSOpenGLContext currentContext]; if (nscontext != nil) { [nscontext flushBuffer]; } [pool release]; } void Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context) { NSAutoreleasePool *pool; NSOpenGLContext *nscontext = (NSOpenGLContext *)context; pool = [[NSAutoreleasePool alloc] init]; [nscontext clearDrawable]; [nscontext release]; [pool release]; } #endif /* SDL_VIDEO_OPENGL_CGL */ /* vi: set ts=4 sw=4 expandtab: */