From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc | 205 +++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc (limited to 'contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc') diff --git a/contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc b/contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc new file mode 100644 index 0000000..469b7f6 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/haiku/SDL_bopengl.cc @@ -0,0 +1,205 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "SDL_internal.h" + +#if defined(SDL_VIDEO_DRIVER_HAIKU) && defined(SDL_VIDEO_OPENGL) + +#include "SDL_bopengl.h" + +#include +#include +#include +#include "SDL_BWin.h" +#include "../../core/haiku/SDL_BApp.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) +{ + return (SDL_BWin *)(window->internal); +} + +static SDL_INLINE SDL_BLooper *_GetBeLooper() +{ + return SDL_Looper; +} + +// Passing a NULL path means load pointers from the application +bool HAIKU_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path) +{ +// FIXME: Is this working correctly? + image_info info; + int32 cookie = 0; + while (get_next_image_info(0, &cookie, &info) == B_OK) { + void *location = NULL; + if ( get_image_symbol(info.id, "glBegin", B_SYMBOL_TYPE_ANY, + &location) == B_OK) { + + _this->gl_config.dll_handle = (SDL_SharedObject *) (addr_t) info.id; + _this->gl_config.driver_loaded = 1; + SDL_strlcpy(_this->gl_config.driver_path, "libGL.so", + SDL_arraysize(_this->gl_config.driver_path)); + } + } + return true; +} + +SDL_FunctionPointer HAIKU_GL_GetProcAddress(SDL_VideoDevice *_this, const char *proc) +{ + if (_this->gl_config.dll_handle) { + void *location = NULL; + status_t err; + if ((err = + get_image_symbol((image_id) (addr_t) _this->gl_config.dll_handle, + proc, B_SYMBOL_TYPE_ANY, + &location)) == B_OK) { + return (SDL_FunctionPointer)location; + } else { + SDL_SetError("Couldn't find OpenGL symbol"); + return NULL; + } + } else { + SDL_SetError("OpenGL library not loaded"); + return NULL; + } +} + + +bool HAIKU_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window * window) +{ + _ToBeWin(window)->SwapBuffers(); + return true; +} + +bool HAIKU_GL_MakeCurrent(SDL_VideoDevice *_this, SDL_Window * window, SDL_GLContext context) +{ + BGLView* glView = (BGLView*)context; + // printf("HAIKU_GL_MakeCurrent(%llx), win = %llx, thread = %d\n", (uint64)context, (uint64)window, find_thread(NULL)); + if (glView) { + if ((glView->Window() == NULL) || (!window) || (_ToBeWin(window)->GetGLView() != glView)) { + return SDL_SetError("MakeCurrent failed"); + } + } + _GetBeLooper()->SetCurrentContext(glView); + return true; +} + + +SDL_GLContext HAIKU_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window * window) +{ + /* FIXME: Not sure what flags should be included here; may want to have + most of them */ + SDL_BWin *bwin = _ToBeWin(window); + // printf("HAIKU_GL_CreateContext, win = %llx, thread = %d\n", (uint64)window, find_thread(NULL)); + if (bwin->GetGLView() != NULL) { + SDL_SetError("Context already creaded"); + return NULL; + } + Uint32 gl_flags = BGL_RGB; + if (_this->gl_config.alpha_size) { + gl_flags |= BGL_ALPHA; + } + if (_this->gl_config.depth_size) { + gl_flags |= BGL_DEPTH; + } + if (_this->gl_config.stencil_size) { + gl_flags |= BGL_STENCIL; + } + if (_this->gl_config.double_buffer) { + gl_flags |= BGL_DOUBLE; + } else { + gl_flags |= BGL_SINGLE; + } + 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) { + gl_flags |= BGL_ACCUM; + } +#if __GNUC__ > 3 + if (_this->gl_config.share_with_current_context) { + gl_flags |= BGL_SHARE_CONTEXT; + } +#endif + bwin->CreateGLView(gl_flags); + _GetBeLooper()->SetCurrentContext(bwin->GetGLView()); + return (SDL_GLContext)(bwin->GetGLView()); +} + +bool HAIKU_GL_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context) +{ + // printf("HAIKU_GL_DestroyContext(%llx), thread = %d\n", (uint64)context, find_thread(NULL)); + BGLView* glView = (BGLView*)context; + SDL_BWin *bwin = (SDL_BWin*)glView->Window(); + if (!bwin) { + delete glView; + } else { + bwin->RemoveGLView(); + } + return true; +} + + +bool HAIKU_GL_SetSwapInterval(SDL_VideoDevice *_this, int interval) +{ + // TODO: Implement this, if necessary? + return SDL_Unsupported(); +} + +bool HAIKU_GL_GetSwapInterval(SDL_VideoDevice *_this, int *interval) +{ + return SDL_Unsupported(); +} + + +void HAIKU_GL_UnloadLibrary(SDL_VideoDevice *_this) +{ + // TODO: Implement this, if necessary? +} + + +/* FIXME: This function is meant to clear the OpenGL context when the video + mode changes (see SDL_bmodes.cc), but it doesn't seem to help, and is not + currently in use. */ +void HAIKU_GL_RebootContexts(SDL_VideoDevice *_this) +{ + SDL_Window *window = _this->windows; + while (window) { + SDL_BWin *bwin = _ToBeWin(window); + if (bwin->GetGLView()) { + bwin->LockLooper(); + bwin->RemoveGLView(); + bwin->CreateGLView(bwin->GetGLType()); + bwin->UnlockLooper(); + } + window = window->next; + } +} + + +#ifdef __cplusplus +} +#endif + +#endif // SDL_VIDEO_DRIVER_HAIKU && SDL_VIDEO_OPENGL -- cgit v1.2.3