/* -*- mode: c; c-basic-offset: 3 -*- */ /* * Copyright 2000 Gareth Hughes * 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 * GARETH HUGHES 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. */ /* * Authors: * Gareth Hughes * Leif Delgass * Jos�Fonseca */ #include "mach64_context.h" #include "mach64_ioctl.h" #include "mach64_tris.h" #include "mach64_vb.h" #include "mach64_span.h" #include "context.h" #include "imports.h" #include "framebuffer.h" #include "renderbuffer.h" #include "utils.h" #include "vblank.h" #include "GL/internal/dri_interface.h" /* Mach64 configuration */ #include "xmlpool.h" PUBLIC const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) DRI_CONF_SECTION_END DRI_CONF_SECTION_DEBUG DRI_CONF_NO_RAST(false) #if ENABLE_PERF_BOXES DRI_CONF_PERFORMANCE_BOXES(false) #endif DRI_CONF_SECTION_END DRI_CONF_END; #if ENABLE_PERF_BOXES static const GLuint __driNConfigOptions = 3; #else static const GLuint __driNConfigOptions = 2; #endif extern const struct dri_extension card_extensions[]; static __GLcontextModes * fill_in_modes( __GLcontextModes * modes, unsigned pixel_bits, unsigned depth_bits, unsigned stencil_bits, const GLenum * db_modes, unsigned num_db_modes, int visType ) { static const uint8_t bits[2][4] = { { 5, 6, 5, 0 }, { 8, 8, 8, 0 } }; static const uint32_t masks[2][4] = { { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 } }; unsigned i; unsigned j; const unsigned index = ((pixel_bits + 15) / 16) - 1; for ( i = 0 ; i < num_db_modes ; i++ ) { for ( j = 0 ; j < 2 ; j++ ) { modes->redBits = bits[index][0]; modes->greenBits = bits[index][1]; modes->blueBits = bits[index][2]; modes->alphaBits = bits[index][3]; modes->redMask = masks[index][0]; modes->greenMask = masks[index][1]; modes->blueMask = masks[index][2]; modes->alphaMask = masks[index][3]; modes->rgbBits = modes->redBits + modes->greenBits + modes->blueBits + modes->alphaBits; modes->accumRedBits = 16 * j; modes->accumGreenBits = 16 * j; modes->accumBlueBits = 16 * j; modes->accumAlphaBits = 0; modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; modes->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT; modes->stencilBits = stencil_bits; modes->depthBits = depth_bits; modes->visualType = visType; modes->renderType = GLX_RGBA_BIT; modes->rgbMode = GL_TRUE; if ( db_modes[i] == GLX_NONE ) { modes->doubleBufferMode = GL_FALSE; } else { modes->doubleBufferMode = GL_TRUE; modes->swapMethod = db_modes[i]; } modes = modes->next; } } return modes; } static __GLcontextModes * mach64FillInModes( unsigned pixel_bits, unsigned depth_bits, unsigned stencil_bits, GLboolean have_back_buffer ) { __GLcontextModes * modes; __GLcontextModes * m; unsigned num_modes; unsigned depth_buffer_factor; unsigned back_buffer_factor; unsigned i; /* 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. */ static const GLenum back_buffer_modes[] = { GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */ }; int depth_buffer_modes[2][2]; depth_buffer_modes[0][0] = depth_bits; depth_buffer_modes[1][0] = depth_bits; /* Just like with the accumulation buffer, always provide some modes * with a stencil buffer. It will be a sw fallback, but some apps won't * care about that. */ depth_buffer_modes[0][1] = 0; depth_buffer_modes[1][1] = (stencil_bits == 0) ? 8 : stencil_bits; depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1; back_buffer_factor = (have_back_buffer) ? 2 : 1; num_modes = depth_buffer_factor * back_buffer_factor * 4; modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) ); m = modes; for ( i = 0 ; i < depth_buffer_factor ; i++ ) { m = fill_in_modes( m, pixel_bits, depth_buffer_modes[i][0], depth_buffer_modes[i][1], back_buffer_modes, back_buffer_factor, GLX_TRUE_COLOR ); } for ( i = 0 ; i < depth_buffer_factor ; i++ ) { m = fill_in_modes( m, pixel_bits, depth_buffer_modes[i][0], depth_buffer_modes[i][1], back_buffer_modes, back_buffer_factor, GLX_DIRECT_COLOR ); } /* Mark the visual as slow if there are "fake" stencil bits. */ for ( m = modes ; m != NULL ; m = m->next ) { if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ){ m->visualRating = GLX_SLOW_CONFIG; } } return modes; } /* Create the device specific screen private data struct. */ static mach64ScreenRec * mach64CreateScreen( __DRIscreenPrivate *sPriv ) { mach64ScreenPtr mach64Screen; ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv; PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); void * const psc = sPriv->psc->screenConfigs; if (sPriv->devPrivSize != sizeof(ATIDRIRec)) { fprintf(stderr,"\nERROR! sizeof(ATIDRIRec) does not match passed size from device driver\n"); return GL_FALSE; } if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI ) fprintf( stderr, "%s\n", __FUNCTION__ ); /* Allocate the private area */ mach64Screen = (mach64ScreenPtr) CALLOC( sizeof(*mach64Screen) ); if ( !mach64Screen ) return NULL; /* parse information in __driConfigOptions */ driParseOptionInfo (&mach64Screen->optionCache, __driConfigOptions, __driNConfigOptions); mach64Screen->IsPCI = serverInfo->IsPCI; { drm_mach64_getparam_t gp; int ret; gp.param = MACH64_PARAM_IRQ_NR; gp.value = (void *) &mach64Screen->irq; ret = drmCommandWriteRead( sPriv->fd, DRM_MACH64_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "DRM_MACH64_GETPARAM (MACH64_PARAM_IRQ_NR): %d\n", ret); FREE( mach64Screen ); return NULL; } } mach64Screen->mmio.handle = serverInfo->regs; mach64Screen->mmio.size = serverInfo->regsSize; if ( drmMap( sPriv->fd, mach64Screen->mmio.handle, mach64Screen->mmio.size, (drmAddressPtr)&mach64Screen->mmio.map ) != 0 ) { FREE( mach64Screen ); return NULL; } mach64Screen->buffers = drmMapBufs( sPriv->fd ); if ( !mach64Screen->buffers ) { drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size ); FREE( mach64Screen ); return NULL; } if ( !mach64Screen->IsPCI ) { mach64Screen->agpTextures.handle = serverInfo->agp; mach64Screen->agpTextures.size = serverInfo->agpSize; if ( drmMap( sPriv->fd, mach64Screen->agpTextures.handle, mach64Screen->agpTextures.size, (drmAddressPtr)&mach64Screen->agpTextures.map ) ) { drmUnmapBufs( mach64Screen->buffers ); drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size ); FREE( mach64Screen ); return NULL; } } mach64Screen->AGPMode = serverInfo->AGPMode; mach64Screen->chipset = serverInfo->chipset; mach64Screen->width = serverInfo->width; mach64Screen->height = serverInfo->height; mach64Screen->mem = serverInfo->mem; mach64Screen->cpp = serverInfo->cpp; mach64Screen->frontOffset = serverInfo->frontOffset; mach64Screen->frontPitch = serverInfo->frontPitch; mach64Screen->backOffset = serverInfo->backOffset; mach64Screen->backPitch = serverInfo->backPitch; mach64Screen->depthOffset = serverInfo->depthOffset; mach64Screen->depthPitch = serverInfo->depthPitch; mach64Screen->texOffset[MACH64_CARD_HEAP] = serverInfo->textureOffset; mach64Screen->texSize[MACH64_CARD_HEAP] = serverInfo->textureSize; mach64Screen->logTexGranularity[MACH64_CARD_HEAP] = serverInfo->logTextureGranularity; if ( mach64Screen->IsPCI ) { mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1; mach64Screen->firstTexHeap = MACH64_CARD_HEAP; mach64Screen->texOffset[MACH64_AGP_HEAP] = 0; mach64Screen->texSize[MACH64_AGP_HEAP] = 0; mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = 0; } else { if (serverInfo->textureSize > 0) { mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS; mach64Screen->firstTexHeap = MACH64_CARD_HEAP; } else { mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1; mach64Screen->firstTexHeap = MACH64_AGP_HEAP; } mach64Screen->texOffset[MACH64_AGP_HEAP] = serverInfo->agpTextureOffset; mach64Screen->texSize[MACH64_AGP_HEAP] = serverInfo->agpSize; mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = serverInfo->logAgpTextureGranularity; } mach64Screen->driScreen = sPriv; if ( glx_enable_extension != NULL ) { if ( mach64Screen->irq != 0 ) { (*glx_enable_extension)( psc, "GLX_SGI_swap_control" ); (*glx_enable_extension)( psc, "GLX_SGI_video_sync" ); (*glx_enable_extension)( psc, "GLX_MESA_swap_control" ); } (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" ); } return mach64Screen; } /* Destroy the device specific screen private data struct. */ static void mach64DestroyScreen( __DRIscreenPrivate *driScreen ) { mach64ScreenRec *mach64Screen = (mach64ScreenRec *) driScreen->private; if ( !mach64Screen ) return; if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI ) fprintf( stderr, "%s\n", __FUNCTION__ ); if ( !mach64Screen->IsPCI ) { drmUnmap( (drmAddress)mach64Screen->agpTextures.map, mach64Screen->agpTextures.size ); } drmUnmapBufs( mach64Screen->buffers ); drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size ); FREE( mach64Screen ); driScreen->private = NULL; } /* Create and initialize the Mesa and driver specific pixmap buffer * data. */ static GLboolean mach64CreateBuffer( __DRIscreenPrivate *driScrnPriv, __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap ) { mach64ScreenPtr screen = (mach64ScreenPtr) driScrnPriv->private; if (isPixmap) { return GL_FALSE; /* not implemented */ } else { struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); { driRenderbuffer *frontRb = driNewRenderbuffer(GL_RGBA, NULL, screen->cpp, screen->frontOffset, screen->frontPitch, driDrawPriv); mach64SetSpanFunctions(frontRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); } if (mesaVis->doubleBufferMode) { driRenderbuffer *backRb = driNewRenderbuffer(GL_RGBA, NULL, screen->cpp, screen->backOffset, screen->backPitch, driDrawPriv); mach64SetSpanFunctions(backRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); } if (mesaVis->depthBits == 16) { driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT16, NULL, screen->cpp, screen->depthOffset, screen->depthPitch, driDrawPriv); mach64SetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } else if (mesaVis->depthBits == 24) { /* XXX I don't think 24-bit Z is supported - so this isn't used */ driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT24, NULL, screen->cpp, screen->depthOffset, screen->depthPitch, driDrawPriv); mach64SetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } _mesa_add_soft_renderbuffers(fb, GL_FALSE, /* color */ GL_FALSE, /* depth */ mesaVis->stencilBits > 0, mesaVis->accumRedBits > 0, GL_FALSE, /* alpha */ GL_FALSE /* aux */); driDrawPriv->driverPrivate = (void *) fb; return (driDrawPriv->driverPrivate != NULL); } } static void mach64DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); } /* Copy the back color buffer to the front color buffer */ static void mach64SwapBuffers(__DRIdrawablePrivate *dPriv) { if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { mach64ContextPtr mmesa; GLcontext *ctx; mmesa = (mach64ContextPtr) dPriv->driContextPriv->driverPrivate; ctx = mmesa->glCtx; if (ctx->Visual.doubleBufferMode) { _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ mach64CopyBuffer( dPriv ); } } else { /* XXX this shouldn't be an error but we can't handle it for now */ _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__); } } /* Initialize the driver specific screen private data. */ static GLboolean mach64InitDriver( __DRIscreenPrivate *driScreen ) { driScreen->private = (void *) mach64CreateScreen( driScreen ); if ( !driScreen->private ) { mach64DestroyScreen( driScreen ); return GL_FALSE; } return GL_TRUE; } static struct __DriverAPIRec mach64API = { .InitDriver = mach64InitDriver, .DestroyScreen = mach64DestroyScreen, .CreateContext = mach64CreateContext, .DestroyContext = mach64DestroyContext, .CreateBuffer = mach64CreateBuffer, .DestroyBuffer = mach64DestroyBuffer, .SwapBuffers = mach64SwapBuffers, .MakeCurrent = mach64MakeCurrent, .UnbindContext = mach64UnbindContext, .GetSwapInfo = NULL, .GetMSC = driGetMSC32, .WaitForMSC = driWaitForMSC32, .WaitForSBC = NULL, .SwapBuffersMSC = NULL }; /** * 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 = { 6, 4, 0 }; static const __DRIversion dri_expected = { 4, 0, 0 }; static const __DRIversion drm_expected = { 2, 0, 0 }; dri_interface = interface; if ( ! driCheckDriDdxDrmVersions2( "Mach64", 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, &mach64API); if ( psp != NULL ) { ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv; *driver_modes = mach64FillInModes( dri_priv->cpp * 8, 16, 0, 1); /* 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 ); } return (void *) psp; }