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.

1 files changed, 0 insertions, 493 deletions

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 <windows.h>
-
-#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;
-}