954 lines
38 KiB
C
954 lines
38 KiB
C
/*
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* Context and render target management in wined3d
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*
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* Copyright 2007 Stefan Dösinger for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdio.h>
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#ifdef HAVE_FLOAT_H
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# include <float.h>
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#endif
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#include "wined3d_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(d3d);
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#define GLINFO_LOCATION This->adapter->gl_info
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/*****************************************************************************
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* Context_MarkStateDirty
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*
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* Marks a state in a context dirty. Only one context, opposed to
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* IWineD3DDeviceImpl_MarkStateDirty, which marks the state dirty in all
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* contexts
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*
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* Params:
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* context: Context to mark the state dirty in
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* state: State to mark dirty
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*
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*****************************************************************************/
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static void Context_MarkStateDirty(WineD3DContext *context, DWORD state) {
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DWORD rep = StateTable[state].representative;
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DWORD idx;
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BYTE shift;
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if(!rep || isStateDirty(context, rep)) return;
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context->dirtyArray[context->numDirtyEntries++] = rep;
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idx = rep >> 5;
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shift = rep & 0x1f;
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context->isStateDirty[idx] |= (1 << shift);
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}
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/*****************************************************************************
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* AddContextToArray
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*
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* Adds a context to the context array. Helper function for CreateContext
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*
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* This method is not called in performance-critical code paths, only when a
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* new render target or swapchain is created. Thus performance is not an issue
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* here.
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*
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* Params:
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* This: Device to add the context for
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* hdc: device context
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* glCtx: WGL context to add
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* pbuffer: optional pbuffer used with this context
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*
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*****************************************************************************/
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static WineD3DContext *AddContextToArray(IWineD3DDeviceImpl *This, HWND win_handle, HDC hdc, HGLRC glCtx, HPBUFFERARB pbuffer) {
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WineD3DContext **oldArray = This->contexts;
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DWORD state;
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This->contexts = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->contexts) * (This->numContexts + 1));
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if(This->contexts == NULL) {
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ERR("Unable to grow the context array\n");
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This->contexts = oldArray;
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return NULL;
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}
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if(oldArray) {
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memcpy(This->contexts, oldArray, sizeof(*This->contexts) * This->numContexts);
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}
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This->contexts[This->numContexts] = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineD3DContext));
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if(This->contexts[This->numContexts] == NULL) {
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ERR("Unable to allocate a new context\n");
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HeapFree(GetProcessHeap(), 0, This->contexts);
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This->contexts = oldArray;
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return NULL;
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}
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This->contexts[This->numContexts]->hdc = hdc;
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This->contexts[This->numContexts]->glCtx = glCtx;
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This->contexts[This->numContexts]->pbuffer = pbuffer;
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This->contexts[This->numContexts]->win_handle = win_handle;
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HeapFree(GetProcessHeap(), 0, oldArray);
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/* Mark all states dirty to force a proper initialization of the states on the first use of the context
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*/
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for(state = 0; state <= STATE_HIGHEST; state++) {
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Context_MarkStateDirty(This->contexts[This->numContexts], state);
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}
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This->numContexts++;
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TRACE("Created context %p\n", This->contexts[This->numContexts - 1]);
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return This->contexts[This->numContexts - 1];
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}
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/*****************************************************************************
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* CreateContext
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*
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* Creates a new context for a window, or a pbuffer context.
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*
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* * Params:
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* This: Device to activate the context for
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* target: Surface this context will render to
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* win_handle: handle to the window which we are drawing to
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* create_pbuffer: tells whether to create a pbuffer or not
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* pPresentParameters: contains the pixelformats to use for onscreen rendering
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*
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*****************************************************************************/
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WineD3DContext *CreateContext(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *target, HWND win_handle, BOOL create_pbuffer, const WINED3DPRESENT_PARAMETERS *pPresentParms) {
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HDC oldDrawable, hdc;
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HPBUFFERARB pbuffer = NULL;
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HGLRC ctx = NULL, oldCtx;
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WineD3DContext *ret = NULL;
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int s;
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TRACE("(%p): Creating a %s context for render target %p\n", This, create_pbuffer ? "offscreen" : "onscreen", target);
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#define PUSH1(att) attribs[nAttribs++] = (att);
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#define PUSH2(att,value) attribs[nAttribs++] = (att); attribs[nAttribs++] = (value);
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if(create_pbuffer) {
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HDC hdc_parent = GetDC(win_handle);
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int iPixelFormat = 0;
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short redBits, greenBits, blueBits, alphaBits, colorBits;
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short depthBits, stencilBits;
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IWineD3DSurface *StencilSurface = This->stencilBufferTarget;
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WINED3DFORMAT StencilBufferFormat = (NULL != StencilSurface) ? ((IWineD3DSurfaceImpl *) StencilSurface)->resource.format : 0;
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int attribs[256];
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int nAttribs = 0;
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unsigned int nFormats;
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/* Retrieve the specifications for the pixelformat from the backbuffer / stencilbuffer */
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getColorBits(target->resource.format, &redBits, &greenBits, &blueBits, &alphaBits, &colorBits);
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getDepthStencilBits(StencilBufferFormat, &depthBits, &stencilBits);
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PUSH2(WGL_DRAW_TO_PBUFFER_ARB, 1); /* We need pbuffer support; doublebuffering isn't needed */
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PUSH2(WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB); /* Make sure we don't get a float or color index format */
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PUSH2(WGL_COLOR_BITS_ARB, colorBits);
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PUSH2(WGL_RED_BITS_ARB, redBits);
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PUSH2(WGL_GREEN_BITS_ARB, greenBits);
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PUSH2(WGL_BLUE_BITS_ARB, blueBits);
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PUSH2(WGL_ALPHA_BITS_ARB, alphaBits);
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PUSH2(WGL_DEPTH_BITS_ARB, depthBits);
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PUSH2(WGL_STENCIL_BITS_ARB, stencilBits);
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PUSH1(0); /* end the list */
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/* Try to find a pixelformat that matches exactly. If that fails let ChoosePixelFormat try to find a close match */
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if(!GL_EXTCALL(wglChoosePixelFormatARB(hdc_parent, (const int*)&attribs, NULL, 1, &iPixelFormat, &nFormats)))
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{
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PIXELFORMATDESCRIPTOR pfd;
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TRACE("Falling back to ChoosePixelFormat as wglChoosePixelFormatARB failed\n");
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ZeroMemory(&pfd, sizeof(pfd));
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pfd.nSize = sizeof(pfd);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER_DONTCARE | PFD_DRAW_TO_WINDOW;
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pfd.iPixelType = PFD_TYPE_RGBA;
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pfd.cColorBits = colorBits;
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pfd.cDepthBits = depthBits;
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pfd.cStencilBits = stencilBits;
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pfd.iLayerType = PFD_MAIN_PLANE;
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iPixelFormat = ChoosePixelFormat(hdc_parent, &pfd);
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if(!iPixelFormat) {
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/* If this happens something is very wrong as ChoosePixelFormat barely fails */
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ERR("Can't find a suitable iPixelFormat for the pbuffer\n");
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}
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}
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TRACE("Creating a pBuffer drawable for the new context\n");
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pbuffer = GL_EXTCALL(wglCreatePbufferARB(hdc_parent, iPixelFormat, target->currentDesc.Width, target->currentDesc.Height, 0));
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if(!pbuffer) {
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ERR("Cannot create a pbuffer\n");
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ReleaseDC(win_handle, hdc_parent);
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goto out;
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}
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/* In WGL a pbuffer is 'wrapped' inside a HDC to 'fool' wglMakeCurrent */
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hdc = GL_EXTCALL(wglGetPbufferDCARB(pbuffer));
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if(!hdc) {
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ERR("Cannot get a HDC for pbuffer (%p)\n", pbuffer);
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GL_EXTCALL(wglDestroyPbufferARB(pbuffer));
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ReleaseDC(win_handle, hdc_parent);
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goto out;
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}
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ReleaseDC(win_handle, hdc_parent);
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} else {
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PIXELFORMATDESCRIPTOR pfd;
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int iPixelFormat;
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short redBits, greenBits, blueBits, alphaBits, colorBits;
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short depthBits=0, stencilBits=0;
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int res;
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int attribs[256];
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int nAttribs = 0;
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unsigned int nFormats;
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hdc = GetDC(win_handle);
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if(hdc == NULL) {
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ERR("Cannot retrieve a device context!\n");
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goto out;
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}
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/* PixelFormat selection */
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PUSH2(WGL_DRAW_TO_WINDOW_ARB, GL_TRUE); /* We want to draw to a window */
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PUSH2(WGL_DOUBLE_BUFFER_ARB, GL_TRUE);
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PUSH2(WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB); /* Make sure we don't get a float or color index format */
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PUSH2(WGL_SUPPORT_OPENGL_ARB, GL_TRUE);
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PUSH2(WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB); /* Make sure we receive an accelerated format. On windows (at least on ATI) this is not always the case */
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if(!getColorBits(target->resource.format, &redBits, &greenBits, &blueBits, &alphaBits, &colorBits)) {
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ERR("Unable to get color bits for format %#x!\n", target->resource.format);
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return FALSE;
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}
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PUSH2(WGL_COLOR_BITS_ARB, colorBits);
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PUSH2(WGL_RED_BITS_ARB, redBits);
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PUSH2(WGL_GREEN_BITS_ARB, greenBits);
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PUSH2(WGL_BLUE_BITS_ARB, blueBits);
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PUSH2(WGL_ALPHA_BITS_ARB, alphaBits);
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/* Retrieve the depth stencil format from the present parameters.
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* The choice of the proper format can give a nice performance boost
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* in case of GPU limited programs. */
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if(pPresentParms->EnableAutoDepthStencil) {
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TRACE("pPresentParms->EnableAutoDepthStencil=enabled; using AutoDepthStencilFormat=%s\n", debug_d3dformat(pPresentParms->AutoDepthStencilFormat));
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if(!getDepthStencilBits(pPresentParms->AutoDepthStencilFormat, &depthBits, &stencilBits)) {
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ERR("Unable to get depth / stencil bits for AutoDepthStencilFormat %#x!\n", pPresentParms->AutoDepthStencilFormat);
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return FALSE;
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}
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PUSH2(WGL_DEPTH_BITS_ARB, depthBits);
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PUSH2(WGL_STENCIL_BITS_ARB, stencilBits);
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}
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PUSH1(0); /* end the list */
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/* In case of failure hope that standard ChooosePixelFormat will find something suitable */
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if(!GL_EXTCALL(wglChoosePixelFormatARB(hdc, (const int*)&attribs, NULL, 1, &iPixelFormat, &nFormats)))
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{
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/* PixelFormat selection */
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ZeroMemory(&pfd, sizeof(pfd));
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pfd.nSize = sizeof(pfd);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW;/*PFD_GENERIC_ACCELERATED*/
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pfd.iPixelType = PFD_TYPE_RGBA;
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pfd.cAlphaBits = alphaBits;
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pfd.cColorBits = colorBits;
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pfd.cDepthBits = depthBits;
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pfd.cStencilBits = stencilBits;
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pfd.iLayerType = PFD_MAIN_PLANE;
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iPixelFormat = ChoosePixelFormat(hdc, &pfd);
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if(!iPixelFormat) {
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/* If this happens something is very wrong as ChoosePixelFormat barely fails */
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ERR("Can't find a suitable iPixelFormat\n");
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}
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}
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DescribePixelFormat(hdc, iPixelFormat, sizeof(pfd), &pfd);
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res = SetPixelFormat(hdc, iPixelFormat, NULL);
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if(!res) {
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int oldPixelFormat = GetPixelFormat(hdc);
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if(oldPixelFormat) {
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/* OpenGL doesn't allow pixel format adjustments. Print an error and continue using the old format.
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* There's a big chance that the old format works although with a performance hit and perhaps rendering errors. */
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ERR("HDC=%p is already set to iPixelFormat=%d and OpenGL doesn't allow changes!\n", hdc, oldPixelFormat);
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}
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else {
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ERR("SetPixelFormat failed on HDC=%p for iPixelFormat=%d\n", hdc, iPixelFormat);
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return FALSE;
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}
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}
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}
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#undef PUSH1
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#undef PUSH2
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ctx = pwglCreateContext(hdc);
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if(This->numContexts) pwglShareLists(This->contexts[0]->glCtx, ctx);
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if(!ctx) {
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ERR("Failed to create a WGL context\n");
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if(create_pbuffer) {
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GL_EXTCALL(wglReleasePbufferDCARB(pbuffer, hdc));
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GL_EXTCALL(wglDestroyPbufferARB(pbuffer));
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}
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goto out;
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}
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ret = AddContextToArray(This, win_handle, hdc, ctx, pbuffer);
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if(!ret) {
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ERR("Failed to add the newly created context to the context list\n");
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pwglDeleteContext(ctx);
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if(create_pbuffer) {
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GL_EXTCALL(wglReleasePbufferDCARB(pbuffer, hdc));
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GL_EXTCALL(wglDestroyPbufferARB(pbuffer));
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}
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goto out;
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}
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ret->surface = (IWineD3DSurface *) target;
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ret->isPBuffer = create_pbuffer;
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ret->tid = GetCurrentThreadId();
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TRACE("Successfully created new context %p\n", ret);
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/* Set up the context defaults */
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oldCtx = pwglGetCurrentContext();
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oldDrawable = pwglGetCurrentDC();
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if(pwglMakeCurrent(hdc, ctx) == FALSE) {
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ERR("Cannot activate context to set up defaults\n");
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goto out;
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}
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ENTER_GL();
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TRACE("Setting up the screen\n");
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/* Clear the screen */
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glClearColor(1.0, 0.0, 0.0, 0.0);
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checkGLcall("glClearColor");
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glClearIndex(0);
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glClearDepth(1);
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glClearStencil(0xffff);
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checkGLcall("glClear");
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glColor3f(1.0, 1.0, 1.0);
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checkGLcall("glColor3f");
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glEnable(GL_LIGHTING);
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checkGLcall("glEnable");
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glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
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checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
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glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
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checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
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glPixelStorei(GL_PACK_ALIGNMENT, This->surface_alignment);
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checkGLcall("glPixelStorei(GL_PACK_ALIGNMENT, This->surface_alignment);");
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glPixelStorei(GL_UNPACK_ALIGNMENT, This->surface_alignment);
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checkGLcall("glPixelStorei(GL_UNPACK_ALIGNMENT, This->surface_alignment);");
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if(GL_SUPPORT(APPLE_CLIENT_STORAGE)) {
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/* Most textures will use client storage if supported. Exceptions are non-native power of 2 textures
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* and textures in DIB sections(due to the memory protection).
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*/
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glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
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checkGLcall("glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE)");
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}
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if(GL_SUPPORT(ARB_VERTEX_BLEND)) {
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/* Direct3D always uses n-1 weights for n world matrices and uses 1 - sum for the last one
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* this is equal to GL_WEIGHT_SUM_UNITY_ARB. Enabling it doesn't do anything unless
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* GL_VERTEX_BLEND_ARB isn't enabled too
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*/
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glEnable(GL_WEIGHT_SUM_UNITY_ARB);
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checkGLcall("glEnable(GL_WEIGHT_SUM_UNITY_ARB)");
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}
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if(GL_SUPPORT(NV_TEXTURE_SHADER2)) {
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glEnable(GL_TEXTURE_SHADER_NV);
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checkGLcall("glEnable(GL_TEXTURE_SHADER_NV)");
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/* Set up the previous texture input for all shader units. This applies to bump mapping, and in d3d
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* the previous texture where to source the offset from is always unit - 1.
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*/
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for(s = 1; s < GL_LIMITS(textures); s++) {
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GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
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glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB + s - 1);
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checkGLcall("glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, ...\n");
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}
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}
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if(GL_SUPPORT(ARB_POINT_SPRITE)) {
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for(s = 0; s < GL_LIMITS(textures); s++) {
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GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
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glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
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checkGLcall("glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE)\n");
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}
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}
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LEAVE_GL();
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if(oldDrawable && oldCtx) {
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pwglMakeCurrent(oldDrawable, oldCtx);
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}
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out:
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return ret;
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}
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/*****************************************************************************
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* RemoveContextFromArray
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*
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* Removes a context from the context manager. The opengl context is not
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* destroyed or unset. context is not a valid pointer after that call.
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*
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* Similar to the former call this isn't a performance critical function. A
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* helper function for DestroyContext.
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*
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* Params:
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* This: Device to activate the context for
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* context: Context to remove
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*
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*****************************************************************************/
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static void RemoveContextFromArray(IWineD3DDeviceImpl *This, WineD3DContext *context) {
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UINT t, s;
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WineD3DContext **oldArray = This->contexts;
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TRACE("Removing ctx %p\n", context);
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This->numContexts--;
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if(This->numContexts) {
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This->contexts = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->contexts) * This->numContexts);
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if(!This->contexts) {
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ERR("Cannot allocate a new context array, PANIC!!!\n");
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}
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t = 0;
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for(s = 0; s < This->numContexts; s++) {
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if(oldArray[s] == context) continue;
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This->contexts[t] = oldArray[s];
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t++;
|
|
}
|
|
} else {
|
|
This->contexts = NULL;
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, context);
|
|
HeapFree(GetProcessHeap(), 0, oldArray);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DestroyContext
|
|
*
|
|
* Destroys a wineD3DContext
|
|
*
|
|
* Params:
|
|
* This: Device to activate the context for
|
|
* context: Context to destroy
|
|
*
|
|
*****************************************************************************/
|
|
void DestroyContext(IWineD3DDeviceImpl *This, WineD3DContext *context) {
|
|
|
|
/* check that we are the current context first */
|
|
TRACE("Destroying ctx %p\n", context);
|
|
if(pwglGetCurrentContext() == context->glCtx){
|
|
pwglMakeCurrent(NULL, NULL);
|
|
}
|
|
|
|
if(context->isPBuffer) {
|
|
GL_EXTCALL(wglReleasePbufferDCARB(context->pbuffer, context->hdc));
|
|
GL_EXTCALL(wglDestroyPbufferARB(context->pbuffer));
|
|
} else ReleaseDC(context->win_handle, context->hdc);
|
|
pwglDeleteContext(context->glCtx);
|
|
|
|
RemoveContextFromArray(This, context);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SetupForBlit
|
|
*
|
|
* Sets up a context for DirectDraw blitting.
|
|
* All texture units are disabled, texture unit 0 is set as current unit
|
|
* fog, lighting, blending, alpha test, z test, scissor test, culling diabled
|
|
* color writing enabled for all channels
|
|
* register combiners disabled, shaders disabled
|
|
* world matris is set to identity, texture matrix 0 too
|
|
* projection matrix is setup for drawing screen coordinates
|
|
*
|
|
* Params:
|
|
* This: Device to activate the context for
|
|
* context: Context to setup
|
|
* width: render target width
|
|
* height: render target height
|
|
*
|
|
*****************************************************************************/
|
|
static inline void SetupForBlit(IWineD3DDeviceImpl *This, WineD3DContext *context, UINT width, UINT height) {
|
|
int i;
|
|
|
|
TRACE("Setting up context %p for blitting\n", context);
|
|
if(context->last_was_blit) {
|
|
TRACE("Context is already set up for blitting, nothing to do\n");
|
|
return;
|
|
}
|
|
context->last_was_blit = TRUE;
|
|
|
|
/* TODO: Use a display list */
|
|
|
|
/* Disable shaders */
|
|
This->shader_backend->shader_cleanup((IWineD3DDevice *) This);
|
|
Context_MarkStateDirty(context, STATE_VSHADER);
|
|
Context_MarkStateDirty(context, STATE_PIXELSHADER);
|
|
|
|
/* Disable all textures. The caller can then bind a texture it wants to blit
|
|
* from
|
|
*/
|
|
if(GL_SUPPORT(NV_REGISTER_COMBINERS)) {
|
|
glDisable(GL_REGISTER_COMBINERS_NV);
|
|
checkGLcall("glDisable(GL_REGISTER_COMBINERS_NV)");
|
|
}
|
|
if (GL_SUPPORT(ARB_MULTITEXTURE)) {
|
|
/* The blitting code uses (for now) the fixed function pipeline, so make sure to reset all fixed
|
|
* function texture unit. No need to care for higher samplers
|
|
*/
|
|
for(i = GL_LIMITS(textures) - 1; i > 0 ; i--) {
|
|
GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + i));
|
|
checkGLcall("glActiveTextureARB");
|
|
|
|
if(GL_SUPPORT(ARB_TEXTURE_CUBE_MAP)) {
|
|
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
|
|
}
|
|
glDisable(GL_TEXTURE_3D);
|
|
checkGLcall("glDisable GL_TEXTURE_3D");
|
|
glDisable(GL_TEXTURE_2D);
|
|
checkGLcall("glDisable GL_TEXTURE_2D");
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
checkGLcall("glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);");
|
|
|
|
Context_MarkStateDirty(context, STATE_TEXTURESTAGE(i, WINED3DTSS_COLOROP));
|
|
Context_MarkStateDirty(context, STATE_SAMPLER(i));
|
|
}
|
|
GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB));
|
|
checkGLcall("glActiveTextureARB");
|
|
}
|
|
if(GL_SUPPORT(ARB_TEXTURE_CUBE_MAP)) {
|
|
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
|
|
}
|
|
glDisable(GL_TEXTURE_3D);
|
|
checkGLcall("glDisable GL_TEXTURE_3D");
|
|
glDisable(GL_TEXTURE_2D);
|
|
checkGLcall("glDisable GL_TEXTURE_2D");
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
checkGLcall("glMatrixMode(GL_TEXTURE)");
|
|
glLoadIdentity();
|
|
checkGLcall("glLoadIdentity()");
|
|
Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_TEXTURE0));
|
|
|
|
if (GL_SUPPORT(EXT_TEXTURE_LOD_BIAS)) {
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
|
|
GL_TEXTURE_LOD_BIAS_EXT,
|
|
0.0);
|
|
checkGLcall("glTexEnvi GL_TEXTURE_LOD_BIAS_EXT ...");
|
|
}
|
|
Context_MarkStateDirty(context, STATE_SAMPLER(0));
|
|
Context_MarkStateDirty(context, STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP));
|
|
|
|
/* Other misc states */
|
|
glDisable(GL_ALPHA_TEST);
|
|
checkGLcall("glDisable(GL_ALPHA_TEST)");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHATESTENABLE));
|
|
glDisable(GL_LIGHTING);
|
|
checkGLcall("glDisable GL_LIGHTING");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_LIGHTING));
|
|
glDisable(GL_DEPTH_TEST);
|
|
checkGLcall("glDisable GL_DEPTH_TEST");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ZENABLE));
|
|
glDisable(GL_FOG);
|
|
checkGLcall("glDisable GL_FOG");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_FOGENABLE));
|
|
glDisable(GL_BLEND);
|
|
checkGLcall("glDisable GL_BLEND");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE));
|
|
glDisable(GL_CULL_FACE);
|
|
checkGLcall("glDisable GL_CULL_FACE");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CULLMODE));
|
|
glDisable(GL_STENCIL_TEST);
|
|
checkGLcall("glDisable GL_STENCIL_TEST");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_STENCILENABLE));
|
|
glDisable(GL_SCISSOR_TEST);
|
|
checkGLcall("glDisable GL_SCISSOR_TEST");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
|
|
if(GL_SUPPORT(ARB_POINT_SPRITE)) {
|
|
glDisable(GL_POINT_SPRITE_ARB);
|
|
checkGLcall("glDisable GL_POINT_SPRITE_ARB");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_POINTSPRITEENABLE));
|
|
}
|
|
glColorMask(GL_TRUE, GL_TRUE,GL_TRUE,GL_TRUE);
|
|
checkGLcall("glColorMask");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CLIPPING));
|
|
if (GL_SUPPORT(EXT_SECONDARY_COLOR)) {
|
|
glDisable(GL_COLOR_SUM_EXT);
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SPECULARENABLE));
|
|
checkGLcall("glDisable(GL_COLOR_SUM_EXT)");
|
|
}
|
|
if (GL_SUPPORT(NV_REGISTER_COMBINERS)) {
|
|
GL_EXTCALL(glFinalCombinerInputNV(GL_VARIABLE_B_NV, GL_SPARE0_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB));
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SPECULARENABLE));
|
|
checkGLcall("glFinalCombinerInputNV");
|
|
}
|
|
|
|
/* Setup transforms */
|
|
glMatrixMode(GL_MODELVIEW);
|
|
checkGLcall("glMatrixMode(GL_MODELVIEW)");
|
|
glLoadIdentity();
|
|
checkGLcall("glLoadIdentity()");
|
|
Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_WORLDMATRIX(0)));
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
checkGLcall("glMatrixMode(GL_PROJECTION)");
|
|
glLoadIdentity();
|
|
checkGLcall("glLoadIdentity()");
|
|
glOrtho(0, width, height, 0, 0.0, -1.0);
|
|
checkGLcall("glOrtho");
|
|
Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION));
|
|
|
|
context->last_was_rhw = TRUE;
|
|
Context_MarkStateDirty(context, STATE_VDECL); /* because of last_was_rhw = TRUE */
|
|
|
|
glDisable(GL_CLIP_PLANE0); checkGLcall("glDisable(clip plane 0)");
|
|
glDisable(GL_CLIP_PLANE1); checkGLcall("glDisable(clip plane 1)");
|
|
glDisable(GL_CLIP_PLANE2); checkGLcall("glDisable(clip plane 2)");
|
|
glDisable(GL_CLIP_PLANE3); checkGLcall("glDisable(clip plane 3)");
|
|
glDisable(GL_CLIP_PLANE4); checkGLcall("glDisable(clip plane 4)");
|
|
glDisable(GL_CLIP_PLANE5); checkGLcall("glDisable(clip plane 5)");
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CLIPPING));
|
|
|
|
glViewport(0, 0, width, height);
|
|
checkGLcall("glViewport");
|
|
Context_MarkStateDirty(context, STATE_VIEWPORT);
|
|
|
|
if(GL_SUPPORT(NV_TEXTURE_SHADER2)) {
|
|
glDisable(GL_TEXTURE_SHADER_NV);
|
|
checkGLcall("glDisable(GL_TEXTURE_SHADER_NV)");
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* findThreadContextForSwapChain
|
|
*
|
|
* Searches a swapchain for all contexts and picks one for the thread tid.
|
|
* If none can be found the swapchain is requested to create a new context
|
|
*
|
|
*****************************************************************************/
|
|
static WineD3DContext *findThreadContextForSwapChain(IWineD3DSwapChain *swapchain, DWORD tid) {
|
|
int i;
|
|
|
|
for(i = 0; i < ((IWineD3DSwapChainImpl *) swapchain)->num_contexts; i++) {
|
|
if(((IWineD3DSwapChainImpl *) swapchain)->context[i]->tid == tid) {
|
|
return ((IWineD3DSwapChainImpl *) swapchain)->context[i];
|
|
}
|
|
|
|
}
|
|
|
|
/* Create a new context for the thread */
|
|
return IWineD3DSwapChainImpl_CreateContextForThread(swapchain);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* FindContext
|
|
*
|
|
* Finds a context for the current render target and thread
|
|
*
|
|
* Parameters:
|
|
* target: Render target to find the context for
|
|
* tid: Thread to activate the context for
|
|
*
|
|
* Returns: The needed context
|
|
*
|
|
*****************************************************************************/
|
|
static inline WineD3DContext *FindContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, DWORD tid, GLint *buffer) {
|
|
IWineD3DSwapChain *swapchain = NULL;
|
|
HRESULT hr;
|
|
BOOL readTexture = wined3d_settings.offscreen_rendering_mode != ORM_FBO && This->render_offscreen;
|
|
WineD3DContext *context = This->activeContext;
|
|
BOOL oldRenderOffscreen = This->render_offscreen;
|
|
const WINED3DFORMAT oldFmt = ((IWineD3DSurfaceImpl *) This->lastActiveRenderTarget)->resource.format;
|
|
const WINED3DFORMAT newFmt = ((IWineD3DSurfaceImpl *) target)->resource.format;
|
|
|
|
/* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers
|
|
* the alpha blend state changes with different render target formats
|
|
*/
|
|
if(oldFmt != newFmt) {
|
|
const StaticPixelFormatDesc *old = getFormatDescEntry(oldFmt, NULL, NULL);
|
|
const StaticPixelFormatDesc *new = getFormatDescEntry(oldFmt, NULL, NULL);
|
|
|
|
if((old->alphaMask && !new->alphaMask) || (!old->alphaMask && new->alphaMask)) {
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE));
|
|
}
|
|
}
|
|
|
|
hr = IWineD3DSurface_GetContainer(target, &IID_IWineD3DSwapChain, (void **) &swapchain);
|
|
if(hr == WINED3D_OK && swapchain) {
|
|
TRACE("Rendering onscreen\n");
|
|
|
|
context = findThreadContextForSwapChain(swapchain, tid);
|
|
|
|
This->render_offscreen = FALSE;
|
|
/* The context != This->activeContext will catch a NOP context change. This can occur
|
|
* if we are switching back to swapchain rendering in case of FBO or Back Buffer offscreen
|
|
* rendering. No context change is needed in that case
|
|
*/
|
|
|
|
if(((IWineD3DSwapChainImpl *) swapchain)->frontBuffer == target) {
|
|
*buffer = GL_FRONT;
|
|
} else {
|
|
*buffer = GL_BACK;
|
|
}
|
|
if(wined3d_settings.offscreen_rendering_mode == ORM_PBUFFER) {
|
|
if(This->pbufferContext && tid == This->pbufferContext->tid) {
|
|
This->pbufferContext->tid = 0;
|
|
}
|
|
}
|
|
IWineD3DSwapChain_Release(swapchain);
|
|
|
|
if(oldRenderOffscreen) {
|
|
Context_MarkStateDirty(context, WINED3DTS_PROJECTION);
|
|
Context_MarkStateDirty(context, STATE_VDECL);
|
|
Context_MarkStateDirty(context, STATE_VIEWPORT);
|
|
Context_MarkStateDirty(context, STATE_SCISSORRECT);
|
|
Context_MarkStateDirty(context, STATE_FRONTFACE);
|
|
}
|
|
|
|
} else {
|
|
TRACE("Rendering offscreen\n");
|
|
This->render_offscreen = TRUE;
|
|
*buffer = This->offscreenBuffer;
|
|
|
|
switch(wined3d_settings.offscreen_rendering_mode) {
|
|
case ORM_FBO:
|
|
/* FBOs do not need a different context. Stay with whatever context is active at the moment */
|
|
if(This->activeContext && tid == This->lastThread) {
|
|
context = This->activeContext;
|
|
} else {
|
|
/* This may happen if the app jumps streight into offscreen rendering
|
|
* Start using the context of the primary swapchain. tid == 0 is no problem
|
|
* for findThreadContextForSwapChain.
|
|
*
|
|
* Can also happen on thread switches - in that case findThreadContextForSwapChain
|
|
* is perfect to call.
|
|
*/
|
|
context = findThreadContextForSwapChain(This->swapchains[0], tid);
|
|
}
|
|
break;
|
|
|
|
case ORM_PBUFFER:
|
|
{
|
|
IWineD3DSurfaceImpl *targetimpl = (IWineD3DSurfaceImpl *) target;
|
|
if(This->pbufferContext == NULL ||
|
|
This->pbufferWidth < targetimpl->currentDesc.Width ||
|
|
This->pbufferHeight < targetimpl->currentDesc.Height) {
|
|
if(This->pbufferContext) {
|
|
DestroyContext(This, This->pbufferContext);
|
|
}
|
|
|
|
/* The display is irrelevant here, the window is 0. But CreateContext needs a valid X connection.
|
|
* Create the context on the same server as the primary swapchain. The primary swapchain is exists at this point.
|
|
*/
|
|
This->pbufferContext = CreateContext(This, targetimpl,
|
|
((IWineD3DSwapChainImpl *) This->swapchains[0])->context[0]->win_handle,
|
|
TRUE /* pbuffer */, &((IWineD3DSwapChainImpl *)This->swapchains[0])->presentParms);
|
|
This->pbufferWidth = targetimpl->currentDesc.Width;
|
|
This->pbufferHeight = targetimpl->currentDesc.Height;
|
|
}
|
|
|
|
if(This->pbufferContext) {
|
|
if(This->pbufferContext->tid != 0 && This->pbufferContext->tid != tid) {
|
|
FIXME("The PBuffr context is only supported for one thread for now!\n");
|
|
}
|
|
This->pbufferContext->tid = tid;
|
|
context = This->pbufferContext;
|
|
break;
|
|
} else {
|
|
ERR("Failed to create a buffer context and drawable, falling back to back buffer offscreen rendering\n");
|
|
wined3d_settings.offscreen_rendering_mode = ORM_BACKBUFFER;
|
|
}
|
|
}
|
|
|
|
case ORM_BACKBUFFER:
|
|
/* Stay with the currently active context for back buffer rendering */
|
|
if(This->activeContext && tid == This->lastThread) {
|
|
context = This->activeContext;
|
|
} else {
|
|
/* This may happen if the app jumps streight into offscreen rendering
|
|
* Start using the context of the primary swapchain. tid == 0 is no problem
|
|
* for findThreadContextForSwapChain.
|
|
*
|
|
* Can also happen on thread switches - in that case findThreadContextForSwapChain
|
|
* is perfect to call.
|
|
*/
|
|
context = findThreadContextForSwapChain(This->swapchains[0], tid);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (wined3d_settings.offscreen_rendering_mode != ORM_FBO) {
|
|
/* Make sure we have a OpenGL texture name so the PreLoad() used to read the buffer
|
|
* back when we are done won't mark us dirty.
|
|
*/
|
|
IWineD3DSurface_PreLoad(target);
|
|
}
|
|
|
|
if(!oldRenderOffscreen) {
|
|
Context_MarkStateDirty(context, WINED3DTS_PROJECTION);
|
|
Context_MarkStateDirty(context, STATE_VDECL);
|
|
Context_MarkStateDirty(context, STATE_VIEWPORT);
|
|
Context_MarkStateDirty(context, STATE_SCISSORRECT);
|
|
Context_MarkStateDirty(context, STATE_FRONTFACE);
|
|
}
|
|
}
|
|
if (readTexture) {
|
|
BOOL oldInDraw = This->isInDraw;
|
|
|
|
/* PreLoad requires a context to load the texture, thus it will call ActivateContext.
|
|
* Set the isInDraw to true to signal PreLoad that it has a context. Will be tricky
|
|
* when using offscreen rendering with multithreading
|
|
*/
|
|
This->isInDraw = TRUE;
|
|
|
|
/* Do that before switching the context:
|
|
* Read the back buffer of the old drawable into the destination texture
|
|
*/
|
|
IWineD3DSurface_PreLoad(This->lastActiveRenderTarget);
|
|
|
|
/* Assume that the drawable will be modified by some other things now */
|
|
IWineD3DSurface_ModifyLocation(This->lastActiveRenderTarget, SFLAG_INDRAWABLE, FALSE);
|
|
|
|
This->isInDraw = oldInDraw;
|
|
}
|
|
|
|
if(oldRenderOffscreen != This->render_offscreen && This->depth_copy_state != WINED3D_DCS_NO_COPY) {
|
|
This->depth_copy_state = WINED3D_DCS_COPY;
|
|
}
|
|
return context;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ActivateContext
|
|
*
|
|
* Finds a rendering context and drawable matching the device and render
|
|
* target for the current thread, activates them and puts them into the
|
|
* requested state.
|
|
*
|
|
* Params:
|
|
* This: Device to activate the context for
|
|
* target: Requested render target
|
|
* usage: Prepares the context for blitting, drawing or other actions
|
|
*
|
|
*****************************************************************************/
|
|
void ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, ContextUsage usage) {
|
|
DWORD tid = GetCurrentThreadId();
|
|
int i;
|
|
DWORD dirtyState, idx;
|
|
BYTE shift;
|
|
WineD3DContext *context;
|
|
GLint drawBuffer=0;
|
|
|
|
TRACE("(%p): Selecting context for render target %p, thread %d\n", This, target, tid);
|
|
if(This->lastActiveRenderTarget != target || tid != This->lastThread) {
|
|
context = FindContext(This, target, tid, &drawBuffer);
|
|
This->lastActiveRenderTarget = target;
|
|
This->lastThread = tid;
|
|
} else {
|
|
/* Stick to the old context */
|
|
context = This->activeContext;
|
|
}
|
|
|
|
/* Activate the opengl context */
|
|
if(context != This->activeContext) {
|
|
BOOL ret;
|
|
|
|
/* Prevent an unneeded context switch as those are expensive */
|
|
if(context->glCtx && (context->glCtx == pwglGetCurrentContext())) {
|
|
TRACE("Already using gl context %p\n", context->glCtx);
|
|
}
|
|
else {
|
|
TRACE("Switching gl ctx to %p, hdc=%p ctx=%p\n", context, context->hdc, context->glCtx);
|
|
ret = pwglMakeCurrent(context->hdc, context->glCtx);
|
|
if(ret == FALSE) {
|
|
ERR("Failed to activate the new context\n");
|
|
}
|
|
}
|
|
This->activeContext = context;
|
|
}
|
|
|
|
/* We only need ENTER_GL for the gl calls made below and for the helper functions which make GL calls */
|
|
ENTER_GL();
|
|
/* Select the right draw buffer. It is selected in FindContext. */
|
|
if(drawBuffer && context->last_draw_buffer != drawBuffer) {
|
|
TRACE("Drawing to buffer: %#x\n", drawBuffer);
|
|
context->last_draw_buffer = drawBuffer;
|
|
|
|
glDrawBuffer(drawBuffer);
|
|
checkGLcall("glDrawBuffer");
|
|
}
|
|
|
|
switch(usage) {
|
|
case CTXUSAGE_RESOURCELOAD:
|
|
/* This does not require any special states to be set up */
|
|
break;
|
|
|
|
case CTXUSAGE_CLEAR:
|
|
if(context->last_was_blit && GL_SUPPORT(NV_TEXTURE_SHADER2)) {
|
|
glEnable(GL_TEXTURE_SHADER_NV);
|
|
checkGLcall("glEnable(GL_TEXTURE_SHADER_NV)");
|
|
}
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
checkGLcall("glEnable GL_SCISSOR_TEST");
|
|
context->last_was_blit = FALSE;
|
|
Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
|
|
Context_MarkStateDirty(context, STATE_SCISSORRECT);
|
|
break;
|
|
|
|
case CTXUSAGE_DRAWPRIM:
|
|
/* This needs all dirty states applied */
|
|
if(context->last_was_blit && GL_SUPPORT(NV_TEXTURE_SHADER2)) {
|
|
glEnable(GL_TEXTURE_SHADER_NV);
|
|
checkGLcall("glEnable(GL_TEXTURE_SHADER_NV)");
|
|
}
|
|
|
|
IWineD3DDeviceImpl_FindTexUnitMap(This);
|
|
|
|
for(i=0; i < context->numDirtyEntries; i++) {
|
|
dirtyState = context->dirtyArray[i];
|
|
idx = dirtyState >> 5;
|
|
shift = dirtyState & 0x1f;
|
|
context->isStateDirty[idx] &= ~(1 << shift);
|
|
StateTable[dirtyState].apply(dirtyState, This->stateBlock, context);
|
|
}
|
|
context->numDirtyEntries = 0; /* This makes the whole list clean */
|
|
context->last_was_blit = FALSE;
|
|
break;
|
|
|
|
case CTXUSAGE_BLIT:
|
|
SetupForBlit(This, context,
|
|
((IWineD3DSurfaceImpl *)target)->currentDesc.Width,
|
|
((IWineD3DSurfaceImpl *)target)->currentDesc.Height);
|
|
break;
|
|
|
|
default:
|
|
FIXME("Unexpected context usage requested\n");
|
|
}
|
|
LEAVE_GL();
|
|
}
|