From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c | 492 +++++++++++++++++++++ 1 file changed, 492 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c new file mode 100644 index 000000000..ab64f7986 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_screen.c @@ -0,0 +1,492 @@ +/* -*- mode: c; c-basic-offset: 3 -*- + * + * Copyright 2000 VA Linux Systems Inc., Fremont, California. + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS 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. + */ +/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_screen.c,v 1.3 2002/02/22 21:45:03 dawes Exp $ */ + +/* + * Original rewrite: + * Gareth Hughes , 29 Sep - 1 Oct 2000 + * + * Authors: + * Gareth Hughes + * + */ + +#include "tdfx_dri.h" +#include "tdfx_context.h" +#include "tdfx_lock.h" +#include "tdfx_vb.h" +#include "tdfx_span.h" +#include "tdfx_tris.h" + +#include "framebuffer.h" +#include "renderbuffer.h" +#include "xmlpool.h" + +#include "utils.h" + +#ifdef DEBUG_LOCKING +char *prevLockFile = 0; +int prevLockLine = 0; +#endif + +#ifndef TDFX_DEBUG +int TDFX_DEBUG = 0; +#endif + +PUBLIC const char __driConfigOptions[] = +DRI_CONF_BEGIN + DRI_CONF_SECTION_DEBUG + DRI_CONF_NO_RAST(false) + DRI_CONF_SECTION_END +DRI_CONF_END; + +static const GLuint __driNConfigOptions = 1; + +extern const struct dri_extension card_extensions[]; +extern const struct dri_extension napalm_extensions[]; + +static GLboolean +tdfxCreateScreen( __DRIscreenPrivate *sPriv ) +{ + tdfxScreenPrivate *fxScreen; + TDFXDRIPtr fxDRIPriv = (TDFXDRIPtr) sPriv->pDevPriv; + + if (sPriv->devPrivSize != sizeof(TDFXDRIRec)) { + fprintf(stderr,"\nERROR! sizeof(TDFXDRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + fxScreen = (tdfxScreenPrivate *) CALLOC( sizeof(tdfxScreenPrivate) ); + if ( !fxScreen ) + return GL_FALSE; + + /* parse information in __driConfigOptions */ + driParseOptionInfo (&fxScreen->optionCache, + __driConfigOptions, __driNConfigOptions); + + fxScreen->driScrnPriv = sPriv; + sPriv->private = (void *) fxScreen; + + fxScreen->regs.handle = fxDRIPriv->regs; + fxScreen->regs.size = fxDRIPriv->regsSize; + fxScreen->deviceID = fxDRIPriv->deviceID; + fxScreen->width = fxDRIPriv->width; + fxScreen->height = fxDRIPriv->height; + fxScreen->mem = fxDRIPriv->mem; + fxScreen->cpp = fxDRIPriv->cpp; + fxScreen->stride = fxDRIPriv->stride; + fxScreen->fifoOffset = fxDRIPriv->fifoOffset; + fxScreen->fifoSize = fxDRIPriv->fifoSize; + fxScreen->fbOffset = fxDRIPriv->fbOffset; + fxScreen->backOffset = fxDRIPriv->backOffset; + fxScreen->depthOffset = fxDRIPriv->depthOffset; + fxScreen->textureOffset = fxDRIPriv->textureOffset; + fxScreen->textureSize = fxDRIPriv->textureSize; + fxScreen->sarea_priv_offset = fxDRIPriv->sarea_priv_offset; + + if ( drmMap( sPriv->fd, fxScreen->regs.handle, + fxScreen->regs.size, &fxScreen->regs.map ) ) { + return GL_FALSE; + } + + return GL_TRUE; +} + + +static void +tdfxDestroyScreen( __DRIscreenPrivate *sPriv ) +{ + tdfxScreenPrivate *fxScreen = (tdfxScreenPrivate *) sPriv->private; + + if (!fxScreen) + return; + + drmUnmap( fxScreen->regs.map, fxScreen->regs.size ); + + /* free all option information */ + driDestroyOptionInfo (&fxScreen->optionCache); + + FREE( fxScreen ); + sPriv->private = NULL; +} + + +static GLboolean +tdfxInitDriver( __DRIscreenPrivate *sPriv ) +{ + if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { + fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)sPriv ); + } + + if ( !tdfxCreateScreen( sPriv ) ) { + tdfxDestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + + +static GLboolean +tdfxCreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + tdfxScreenPrivate *screen = (tdfxScreenPrivate *) driScrnPriv->private; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { +#if 0 + driDrawPriv->driverPrivate = (void *) + _mesa_create_framebuffer( mesaVis, + GL_FALSE, /* software depth buffer? */ + mesaVis->stencilBits > 0, + mesaVis->accumRedBits > 0, + GL_FALSE /* software alpha channel? */ ); +#else + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + screen->fbOffset, screen->width); + tdfxSetSpanFunctions(frontRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + screen->backOffset, screen->width); + tdfxSetSpanFunctions(backRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp, + screen->depthOffset, screen->width); + tdfxSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, + screen->depthOffset, screen->width); + tdfxSetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + if (mesaVis->stencilBits > 0) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->cpp, + screen->depthOffset, screen->width); + tdfxSetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); + } + + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + GL_FALSE, /* depth */ + GL_FALSE, /*swStencil,*/ + mesaVis->accumRedBits > 0, + GL_FALSE, /* alpha */ + GL_FALSE /* aux */); + driDrawPriv->driverPrivate = (void *) fb; +#endif + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +tdfxDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + + +static void +tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv ) + +{ + GET_CURRENT_CONTEXT(ctx); + tdfxContextPtr fxMesa = 0; + GLframebuffer *mesaBuffer; + + if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { + fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)driDrawPriv ); + } + + mesaBuffer = (GLframebuffer *) driDrawPriv->driverPrivate; + if ( !mesaBuffer->Visual.doubleBufferMode ) + return; /* can't swap a single-buffered window */ + + /* If the current context's drawable matches the given drawable + * we have to do a glFinish (per the GLX spec). + */ + if ( ctx ) { + __DRIdrawablePrivate *curDrawPriv; + fxMesa = TDFX_CONTEXT(ctx); + curDrawPriv = fxMesa->driContext->driDrawablePriv; + + if ( curDrawPriv == driDrawPriv ) { + /* swapping window bound to current context, flush first */ + _mesa_notifySwapBuffers( ctx ); + LOCK_HARDWARE( fxMesa ); + } + else { + /* find the fxMesa context previously bound to the window */ + fxMesa = (tdfxContextPtr) driDrawPriv->driContextPriv->driverPrivate; + if (!fxMesa) + return; + LOCK_HARDWARE( fxMesa ); + fxMesa->Glide.grSstSelect( fxMesa->Glide.Board ); + printf("SwapBuf SetState 1\n"); + fxMesa->Glide.grGlideSetState(fxMesa->Glide.State ); + } + } + +#ifdef STATS + { + int stalls; + static int prevStalls = 0; + + stalls = fxMesa->Glide.grFifoGetStalls(); + + fprintf( stderr, "%s:\n", __FUNCTION__ ); + if ( stalls != prevStalls ) { + fprintf( stderr, " %d stalls occurred\n", + stalls - prevStalls ); + prevStalls = stalls; + } + if ( fxMesa && fxMesa->texSwaps ) { + fprintf( stderr, " %d texture swaps occurred\n", + fxMesa->texSwaps ); + fxMesa->texSwaps = 0; + } + } +#endif + + if (fxMesa->scissoredClipRects) { + /* restore clip rects without scissor box */ + fxMesa->Glide.grDRIPosition( driDrawPriv->x, driDrawPriv->y, + driDrawPriv->w, driDrawPriv->h, + driDrawPriv->numClipRects, + driDrawPriv->pClipRects ); + } + + fxMesa->Glide.grDRIBufferSwap( fxMesa->Glide.SwapInterval ); + + if (fxMesa->scissoredClipRects) { + /* restore clip rects WITH scissor box */ + fxMesa->Glide.grDRIPosition( driDrawPriv->x, driDrawPriv->y, + driDrawPriv->w, driDrawPriv->h, + fxMesa->numClipRects, fxMesa->pClipRects ); + } + + +#if 0 + { + FxI32 result; + do { + FxI32 result; + fxMesa->Glide.grGet(GR_PENDING_BUFFERSWAPS, 4, &result); + } while ( result > fxMesa->maxPendingSwapBuffers ); + } +#endif + + fxMesa->stats.swapBuffer++; + + if (ctx) { + if (ctx->DriverCtx != fxMesa) { + fxMesa = TDFX_CONTEXT(ctx); + fxMesa->Glide.grSstSelect( fxMesa->Glide.Board ); + printf("SwapBuf SetState 2\n"); + fxMesa->Glide.grGlideSetState(fxMesa->Glide.State ); + } + UNLOCK_HARDWARE( fxMesa ); + } +} + + +static const struct __DriverAPIRec tdfxAPI = { + .InitDriver = tdfxInitDriver, + .DestroyScreen = tdfxDestroyScreen, + .CreateContext = tdfxCreateContext, + .DestroyContext = tdfxDestroyContext, + .CreateBuffer = tdfxCreateBuffer, + .DestroyBuffer = tdfxDestroyBuffer, + .SwapBuffers = tdfxSwapBuffers, + .MakeCurrent = tdfxMakeCurrent, + .UnbindContext = tdfxUnbindContext, + .GetSwapInfo = NULL, + .GetMSC = NULL, + .WaitForMSC = NULL, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL +}; + + +static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits, + unsigned depth_bits, + unsigned stencil_bits, + GLboolean have_back_buffer) +{ + __GLcontextModes *modes; + __GLcontextModes *m; + unsigned num_modes; + unsigned vis[2] = { GLX_TRUE_COLOR, GLX_DIRECT_COLOR }; + unsigned deep = (depth_bits > 17); + unsigned i, db, depth, accum, stencil; + + /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy + * enough to add support. Basically, if a context is created with an + * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping + * will never be used. + */ + + num_modes = (depth_bits == 16) ? 32 : 16; + + modes = (*dri_interface->createContextModes)(num_modes, sizeof(__GLcontextModes)); + m = modes; + + for (i = 0; i <= 1; i++) { + for (db = 0; db <= 1; db++) { + for (depth = 0; depth <= 1; depth++) { + for (accum = 0; accum <= 1; accum++) { + for (stencil = 0; stencil <= !deep; stencil++) { + if (deep) stencil = depth; + m->redBits = deep ? 8 : 5; + m->greenBits = deep ? 8 : 6; + m->blueBits = deep ? 8 : 5; + m->alphaBits = deep ? 8 : 0; + m->redMask = deep ?0xFF000000 :0x0000F800; + m->greenMask = deep ?0x00FF0000 :0x000007E0; + m->blueMask = deep ?0x0000FF00 :0x0000001F; + m->alphaMask = deep ? 0x000000FF : 0; + m->rgbBits = m->redBits + m->greenBits + + m->blueBits + m->alphaBits; + m->accumRedBits = accum ? 16 : 0; + m->accumGreenBits = accum ? 16 : 0; + m->accumBlueBits = accum ? 16 : 0; + m->accumAlphaBits = accum ? 16 : 0; + m->stencilBits = stencil ? 8 : 0; + m->depthBits = deep + ? (depth ? 24 : 0) + : (depth ? 0 : depth_bits); + m->visualType = vis[i]; + m->renderType = GLX_RGBA_BIT; + m->drawableType = GLX_WINDOW_BIT; + m->rgbMode = GL_TRUE; + m->doubleBufferMode = db ? GL_TRUE : GL_FALSE; + if (db) + m->swapMethod = GLX_SWAP_UNDEFINED_OML; + m->visualRating = ((stencil && !deep) || accum) + ? GLX_SLOW_CONFIG + : GLX_NONE; + m = m->next; + if (deep) stencil = 0; + } + } + } + } + } + + return modes; +} + +/** + * This is the bootstrap function for the driver. libGL supplies all of the + * requisite information about the system, and the driver initializes itself. + * This routine also fills in the linked list pointed to by \c driver_modes + * with the \c __GLcontextModes that the driver can support for windows or + * pbuffers. + * + * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on + * failure. + */ +PUBLIC +void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc, + const __GLcontextModes * modes, + const __DRIversion * ddx_version, + const __DRIversion * dri_version, + const __DRIversion * drm_version, + const __DRIframebuffer * frame_buffer, + drmAddress pSAREA, int fd, + int internal_api_version, + const __DRIinterfaceMethods * interface, + __GLcontextModes ** driver_modes ) +{ + __DRIscreenPrivate *psp; + static const __DRIversion ddx_expected = { 1, 1, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 0, 0 }; + + dri_interface = interface; + + if ( ! driCheckDriDdxDrmVersions2( "tdfx", + dri_version, & dri_expected, + ddx_version, & ddx_expected, + drm_version, & drm_expected ) ) { + return NULL; + } + + psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, + ddx_version, dri_version, drm_version, + frame_buffer, pSAREA, fd, + internal_api_version, &tdfxAPI); + + if (psp != NULL) { + /* divined from tdfx_dri.c, sketchy */ + TDFXDRIPtr dri_priv = (TDFXDRIPtr) psp->pDevPriv; + int bpp = (dri_priv->cpp > 2) ? 24 : 16; + + /* XXX i wish it was like this */ + /* bpp = dri_priv->bpp */ + + *driver_modes = tdfxFillInModes(bpp, (bpp == 16) ? 16 : 24, + (bpp == 16) ? 0 : 8, + (dri_priv->backOffset!=dri_priv->depthOffset)); + + /* Calling driInitExtensions here, with a NULL context pointer, does not actually + * enable the extensions. It just makes sure that all the dispatch offsets for all + * the extensions that *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create is called, but we can't + * enable the extensions until we have a context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions( NULL, card_extensions, GL_FALSE ); + driInitExtensions( NULL, napalm_extensions, GL_FALSE ); + } + + return (void *)psp; +} -- cgit v1.2.3