From f724036f0045bd28f323af3666c43b3ef03b6886 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Tue, 22 Sep 2009 17:40:20 +0100 Subject: wgl: Flatten the source tree. It is easier to have the WGL API on top of the ICD callbacks as Microsoft's own implementation does, than to have a seperate shared entity. This source reorganization is in antecipation of that. --- .../state_trackers/wgl/shared/stw_framebuffer.c | 493 --------------------- 1 file changed, 493 deletions(-) delete mode 100644 src/gallium/state_trackers/wgl/shared/stw_framebuffer.c (limited to 'src/gallium/state_trackers/wgl/shared/stw_framebuffer.c') diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c deleted file mode 100644 index b8956bb550..0000000000 --- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c +++ /dev/null @@ -1,493 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include - -#include "main/context.h" -#include "pipe/p_format.h" -#include "pipe/p_screen.h" -#include "state_tracker/st_context.h" -#include "state_tracker/st_public.h" - -#ifdef DEBUG -#include "trace/tr_screen.h" -#include "trace/tr_texture.h" -#endif - -#include "stw_framebuffer.h" -#include "stw_device.h" -#include "stw_public.h" -#include "stw_winsys.h" -#include "stw_tls.h" - - -/** - * Search the framebuffer with the matching HWND while holding the - * stw_dev::fb_mutex global lock. - */ -static INLINE struct stw_framebuffer * -stw_framebuffer_from_hwnd_locked( - HWND hwnd ) -{ - struct stw_framebuffer *fb; - - for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next) - if (fb->hWnd == hwnd) { - pipe_mutex_lock(fb->mutex); - break; - } - - return fb; -} - - -/** - * Destroy this framebuffer. Both stw_dev::fb_mutex and stw_framebuffer::mutex - * must be held, by this order. Obviously no further access to fb can be done - * after this. - */ -static INLINE void -stw_framebuffer_destroy_locked( - struct stw_framebuffer *fb ) -{ - struct stw_framebuffer **link; - - link = &stw_dev->fb_head; - while (*link != fb) - link = &(*link)->next; - assert(*link); - *link = fb->next; - fb->next = NULL; - - st_unreference_framebuffer(fb->stfb); - - pipe_mutex_unlock( fb->mutex ); - - pipe_mutex_destroy( fb->mutex ); - - FREE( fb ); -} - - -void -stw_framebuffer_release( - struct stw_framebuffer *fb) -{ - assert(fb); - pipe_mutex_unlock( fb->mutex ); -} - - -static INLINE void -stw_framebuffer_get_size( struct stw_framebuffer *fb ) -{ - unsigned width, height; - RECT rect; - - assert(fb->hWnd); - - GetClientRect( fb->hWnd, &rect ); - width = rect.right - rect.left; - height = rect.bottom - rect.top; - - if(width < 1) - width = 1; - if(height < 1) - height = 1; - - if(width != fb->width || height != fb->height) { - fb->must_resize = TRUE; - fb->width = width; - fb->height = height; - } -} - - -/** - * @sa http://msdn.microsoft.com/en-us/library/ms644975(VS.85).aspx - * @sa http://msdn.microsoft.com/en-us/library/ms644960(VS.85).aspx - */ -LRESULT CALLBACK -stw_call_window_proc( - int nCode, - WPARAM wParam, - LPARAM lParam ) -{ - struct stw_tls_data *tls_data; - PCWPSTRUCT pParams = (PCWPSTRUCT)lParam; - struct stw_framebuffer *fb; - - tls_data = stw_tls_get_data(); - if(!tls_data) - return 0; - - if (nCode < 0) - return CallNextHookEx(tls_data->hCallWndProcHook, nCode, wParam, lParam); - - if (pParams->message == WM_WINDOWPOSCHANGED) { - /* We handle WM_WINDOWPOSCHANGED instead of WM_SIZE because according to - * http://blogs.msdn.com/oldnewthing/archive/2008/01/15/7113860.aspx - * WM_SIZE is generated from WM_WINDOWPOSCHANGED by DefWindowProc so it - * can be masked out by the application. */ - LPWINDOWPOS lpWindowPos = (LPWINDOWPOS)pParams->lParam; - if((lpWindowPos->flags & SWP_SHOWWINDOW) || - !(lpWindowPos->flags & SWP_NOSIZE)) { - fb = stw_framebuffer_from_hwnd( pParams->hwnd ); - if(fb) { - /* Size in WINDOWPOS includes the window frame, so get the size - * of the client area via GetClientRect. */ - stw_framebuffer_get_size(fb); - stw_framebuffer_release(fb); - } - } - } - else if (pParams->message == WM_DESTROY) { - pipe_mutex_lock( stw_dev->fb_mutex ); - fb = stw_framebuffer_from_hwnd_locked( pParams->hwnd ); - if(fb) - stw_framebuffer_destroy_locked(fb); - pipe_mutex_unlock( stw_dev->fb_mutex ); - } - - return CallNextHookEx(tls_data->hCallWndProcHook, nCode, wParam, lParam); -} - - -struct stw_framebuffer * -stw_framebuffer_create( - HDC hdc, - int iPixelFormat ) -{ - HWND hWnd; - struct stw_framebuffer *fb; - const struct stw_pixelformat_info *pfi; - - /* We only support drawing to a window. */ - hWnd = WindowFromDC( hdc ); - if(!hWnd) - return NULL; - - fb = CALLOC_STRUCT( stw_framebuffer ); - if (fb == NULL) - return NULL; - - fb->hDC = hdc; - fb->hWnd = hWnd; - fb->iPixelFormat = iPixelFormat; - - fb->pfi = pfi = stw_pixelformat_get_info( iPixelFormat - 1 ); - - stw_pixelformat_visual(&fb->visual, pfi); - - stw_framebuffer_get_size(fb); - - pipe_mutex_init( fb->mutex ); - - /* This is the only case where we lock the stw_framebuffer::mutex before - * stw_dev::fb_mutex, since no other thread can know about this framebuffer - * and we must prevent any other thread from destroying it before we return. - */ - pipe_mutex_lock( fb->mutex ); - - pipe_mutex_lock( stw_dev->fb_mutex ); - fb->next = stw_dev->fb_head; - stw_dev->fb_head = fb; - pipe_mutex_unlock( stw_dev->fb_mutex ); - - return fb; -} - - -BOOL -stw_framebuffer_allocate( - struct stw_framebuffer *fb) -{ - assert(fb); - - if(!fb->stfb) { - const struct stw_pixelformat_info *pfi = fb->pfi; - enum pipe_format colorFormat, depthFormat, stencilFormat; - - colorFormat = pfi->color_format; - - assert(pf_layout( pfi->depth_stencil_format ) == PIPE_FORMAT_LAYOUT_RGBAZS ); - - if(pf_get_component_bits( pfi->depth_stencil_format, PIPE_FORMAT_COMP_Z )) - depthFormat = pfi->depth_stencil_format; - else - depthFormat = PIPE_FORMAT_NONE; - - if(pf_get_component_bits( pfi->depth_stencil_format, PIPE_FORMAT_COMP_S )) - stencilFormat = pfi->depth_stencil_format; - else - stencilFormat = PIPE_FORMAT_NONE; - - assert(fb->must_resize); - assert(fb->width); - assert(fb->height); - - fb->stfb = st_create_framebuffer( - &fb->visual, - colorFormat, - depthFormat, - stencilFormat, - fb->width, - fb->height, - (void *) fb ); - - // to notify the context - fb->must_resize = TRUE; - } - - return fb->stfb ? TRUE : FALSE; -} - - -/** - * Update the framebuffer's size if necessary. - */ -void -stw_framebuffer_update( - struct stw_framebuffer *fb) -{ - assert(fb->stfb); - assert(fb->height); - assert(fb->width); - - /* XXX: It would be nice to avoid checking the size again -- in theory - * stw_call_window_proc would have cought the resize and stored the right - * size already, but unfortunately threads created before the DllMain is - * called don't get a DLL_THREAD_ATTACH notification, and there is no way - * to know of their existing without using the not very portable PSAPI. - */ - stw_framebuffer_get_size(fb); - - if(fb->must_resize) { - st_resize_framebuffer(fb->stfb, fb->width, fb->height); - fb->must_resize = FALSE; - } -} - - -void -stw_framebuffer_cleanup( void ) -{ - struct stw_framebuffer *fb; - struct stw_framebuffer *next; - - pipe_mutex_lock( stw_dev->fb_mutex ); - - fb = stw_dev->fb_head; - while (fb) { - next = fb->next; - - pipe_mutex_lock(fb->mutex); - stw_framebuffer_destroy_locked(fb); - - fb = next; - } - stw_dev->fb_head = NULL; - - pipe_mutex_unlock( stw_dev->fb_mutex ); -} - - -/** - * Given an hdc, return the corresponding stw_framebuffer. - */ -static INLINE struct stw_framebuffer * -stw_framebuffer_from_hdc_locked( - HDC hdc ) -{ - HWND hwnd; - struct stw_framebuffer *fb; - - /* - * Some applications create and use several HDCs for the same window, so - * looking up the framebuffer by the HDC is not reliable. Use HWND whenever - * possible. - */ - hwnd = WindowFromDC(hdc); - if(hwnd) - return stw_framebuffer_from_hwnd_locked(hwnd); - - for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next) - if (fb->hDC == hdc) { - pipe_mutex_lock(fb->mutex); - break; - } - - return fb; -} - - -/** - * Given an hdc, return the corresponding stw_framebuffer. - */ -struct stw_framebuffer * -stw_framebuffer_from_hdc( - HDC hdc ) -{ - struct stw_framebuffer *fb; - - pipe_mutex_lock( stw_dev->fb_mutex ); - fb = stw_framebuffer_from_hdc_locked(hdc); - pipe_mutex_unlock( stw_dev->fb_mutex ); - - return fb; -} - - -/** - * Given an hdc, return the corresponding stw_framebuffer. - */ -struct stw_framebuffer * -stw_framebuffer_from_hwnd( - HWND hwnd ) -{ - struct stw_framebuffer *fb; - - pipe_mutex_lock( stw_dev->fb_mutex ); - fb = stw_framebuffer_from_hwnd_locked(hwnd); - pipe_mutex_unlock( stw_dev->fb_mutex ); - - return fb; -} - - -BOOL -stw_pixelformat_set( - HDC hdc, - int iPixelFormat ) -{ - uint count; - uint index; - struct stw_framebuffer *fb; - - index = (uint) iPixelFormat - 1; - count = stw_pixelformat_get_extended_count(); - if (index >= count) - return FALSE; - - fb = stw_framebuffer_from_hdc_locked(hdc); - if(fb) { - /* SetPixelFormat must be called only once */ - stw_framebuffer_release( fb ); - return FALSE; - } - - fb = stw_framebuffer_create(hdc, iPixelFormat); - if(!fb) { - return FALSE; - } - - stw_framebuffer_release( fb ); - - /* Some applications mistakenly use the undocumented wglSetPixelFormat - * function instead of SetPixelFormat, so we call SetPixelFormat here to - * avoid opengl32.dll's wglCreateContext to fail */ - if (GetPixelFormat(hdc) == 0) { - SetPixelFormat(hdc, iPixelFormat, NULL); - } - - return TRUE; -} - - -int -stw_pixelformat_get( - HDC hdc ) -{ - int iPixelFormat = 0; - struct stw_framebuffer *fb; - - fb = stw_framebuffer_from_hdc(hdc); - if(fb) { - iPixelFormat = fb->iPixelFormat; - stw_framebuffer_release(fb); - } - - return iPixelFormat; -} - - -BOOL -stw_swap_buffers( - HDC hdc ) -{ - struct stw_framebuffer *fb; - struct pipe_screen *screen; - struct pipe_surface *surface; - - fb = stw_framebuffer_from_hdc( hdc ); - if (fb == NULL) - return FALSE; - - if (!(fb->pfi->pfd.dwFlags & PFD_DOUBLEBUFFER)) { - stw_framebuffer_release(fb); - return TRUE; - } - - /* If we're swapping the buffer associated with the current context - * we have to flush any pending rendering commands first. - */ - st_notify_swapbuffers( fb->stfb ); - - screen = stw_dev->screen; - - if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT, &surface )) { - /* FIXME: this shouldn't happen, but does on glean */ - stw_framebuffer_release(fb); - return FALSE; - } - -#ifdef DEBUG - if(stw_dev->trace_running) { - screen = trace_screen(screen)->screen; - surface = trace_surface(surface)->surface; - } -#endif - - stw_dev->stw_winsys->flush_frontbuffer( screen, surface, hdc ); - - stw_framebuffer_update(fb); - stw_framebuffer_release(fb); - - return TRUE; -} - - -BOOL -stw_swap_layer_buffers( - HDC hdc, - UINT fuPlanes ) -{ - if(fuPlanes & WGL_SWAP_MAIN_PLANE) - return stw_swap_buffers(hdc); - - return FALSE; -} -- cgit v1.2.3