/************************************************************************** * * Copyright 1998-1999 Precision Insight, 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 PRECISION INSIGHT 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. * * **************************************************************************/ /* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_screen.c,v 1.3 2002/12/10 01:26:53 dawes Exp $ */ /** * \file i830_screen.c * * Adapted for use on the I830M by Jeff Hartmann. * * \author Keith Whitwell * \author Jeff Hartmann */ #include "glheader.h" #include "context.h" #include "matrix.h" #include "simple_list.h" #include "framebuffer.h" #include "renderbuffer.h" #include "i830_screen.h" #include "i830_dri.h" #include "i830_state.h" #include "i830_tex.h" #include "i830_span.h" #include "i830_tris.h" #include "i830_ioctl.h" #include "i830_dri.h" #include "utils.h" #include "xmlpool.h" #include "drirenderbuffer.h" PUBLIC const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_MAX_TEXTURE_UNITS(4,2,4) DRI_CONF_FORCE_S3TC_ENABLE(false) DRI_CONF_SECTION_END DRI_CONF_END; const GLuint __driNConfigOptions = 2; extern const struct dri_extension card_extensions[]; static int i830_malloc_proxy_buf(drmBufMapPtr buffers) { char *buffer; drmBufPtr buf; int i; buffer = ALIGN_MALLOC(I830_DMA_BUF_SZ, 32); if(buffer == NULL) return -1; for(i = 0; i < I830_DMA_BUF_NR; i++) { buf = &(buffers->list[i]); buf->address = (drmAddress)buffer; } return 0; } static drmBufMapPtr i830_create_empty_buffers(void) { drmBufMapPtr retval; retval = (drmBufMapPtr)ALIGN_MALLOC(sizeof(drmBufMap), 32); if(retval == NULL) return NULL; memset(retval, 0, sizeof(drmBufMap)); retval->list = (drmBufPtr)ALIGN_MALLOC(sizeof(drmBuf) * I830_DMA_BUF_NR, 32); if(retval->list == NULL) { FREE(retval); return NULL; } memset(retval->list, 0, sizeof(drmBuf) * I830_DMA_BUF_NR); return retval; } static void i830PrintDRIInfo(i830ScreenPrivate *i830Screen, __DRIscreenPrivate *sPriv, I830DRIPtr gDRIPriv) { GLuint size = (gDRIPriv->ringSize + i830Screen->textureSize + i830Screen->depth.size + i830Screen->back.size + sPriv->fbSize + I830_DMA_BUF_NR * I830_DMA_BUF_SZ + 32768 /* Context Memory */ + 16*4096 /* Ring buffer */ + 64*1024 /* Scratch buffer */ + 4096 /* Cursor */); GLuint size_low = (gDRIPriv->ringSize + i830Screen->textureSize + sPriv->fbSize + I830_DMA_BUF_NR * I830_DMA_BUF_SZ + 32768 /* Context Memory */ + 16*4096 /* Ring buffer */ + 64*1024 /* Scratch buffer */); fprintf(stderr, "\nFront size : 0x%x\n", sPriv->fbSize); fprintf(stderr, "Front offset : 0x%x\n", i830Screen->fbOffset); fprintf(stderr, "Back size : 0x%x\n", i830Screen->back.size); fprintf(stderr, "Back offset : 0x%x\n", i830Screen->backOffset); fprintf(stderr, "Depth size : 0x%x\n", i830Screen->depth.size); fprintf(stderr, "Depth offset : 0x%x\n", i830Screen->depthOffset); fprintf(stderr, "Texture size : 0x%x\n", i830Screen->textureSize); fprintf(stderr, "Texture offset : 0x%x\n", i830Screen->textureOffset); fprintf(stderr, "Ring offset : 0x%x\n", gDRIPriv->ringOffset); fprintf(stderr, "Ring size : 0x%x\n", gDRIPriv->ringSize); fprintf(stderr, "Memory : 0x%x\n", gDRIPriv->mem); fprintf(stderr, "Used Memory : low(0x%x) high(0x%x)\n", size_low, size); } static GLboolean i830InitDriver(__DRIscreenPrivate *sPriv) { i830ScreenPrivate *i830Screen; I830DRIPtr gDRIPriv = (I830DRIPtr)sPriv->pDevPriv; PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); void * const psc = sPriv->psc->screenConfigs; if (sPriv->devPrivSize != sizeof(I830DRIRec)) { fprintf(stderr,"\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); return GL_FALSE; } /* Allocate the private area */ i830Screen = (i830ScreenPrivate *)CALLOC(sizeof(i830ScreenPrivate)); if (!i830Screen) { fprintf(stderr,"\nERROR! Allocating private area failed\n"); return GL_FALSE; } /* parse information in __driConfigOptions */ driParseOptionInfo (&i830Screen->optionCache, __driConfigOptions, __driNConfigOptions); i830Screen->driScrnPriv = sPriv; sPriv->private = (void *)i830Screen; i830Screen->deviceID = gDRIPriv->deviceID; i830Screen->width = gDRIPriv->width; i830Screen->height = gDRIPriv->height; i830Screen->mem = gDRIPriv->mem; i830Screen->cpp = gDRIPriv->cpp; i830Screen->fbStride = gDRIPriv->fbStride; i830Screen->fbOffset = gDRIPriv->fbOffset; switch (gDRIPriv->bitsPerPixel) { case 15: i830Screen->fbFormat = DV_PF_555; break; case 16: i830Screen->fbFormat = DV_PF_565; break; case 32: i830Screen->fbFormat = DV_PF_8888; break; } i830Screen->backOffset = gDRIPriv->backOffset; i830Screen->depthOffset = gDRIPriv->depthOffset; i830Screen->backPitch = gDRIPriv->auxPitch; i830Screen->backPitchBits = gDRIPriv->auxPitchBits; i830Screen->textureOffset = gDRIPriv->textureOffset; i830Screen->textureSize = gDRIPriv->textureSize; i830Screen->logTextureGranularity = gDRIPriv->logTextureGranularity; i830Screen->bufs = i830_create_empty_buffers(); if(i830Screen->bufs == NULL) { fprintf(stderr,"\nERROR: Failed to create empty buffers in %s \n", __FUNCTION__); FREE(i830Screen); return GL_FALSE; } /* Check if you need to create a fake buffer */ if(i830_check_copy(sPriv->fd) == 1) { i830_malloc_proxy_buf(i830Screen->bufs); i830Screen->use_copy_buf = 1; } else { i830Screen->use_copy_buf = 0; } i830Screen->back.handle = gDRIPriv->backbuffer; i830Screen->back.size = gDRIPriv->backbufferSize; if (drmMap(sPriv->fd, i830Screen->back.handle, i830Screen->back.size, (drmAddress *)&i830Screen->back.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(i830Screen); sPriv->private = NULL; return GL_FALSE; } i830Screen->depth.handle = gDRIPriv->depthbuffer; i830Screen->depth.size = gDRIPriv->depthbufferSize; if (drmMap(sPriv->fd, i830Screen->depth.handle, i830Screen->depth.size, (drmAddress *)&i830Screen->depth.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(i830Screen); drmUnmap(i830Screen->back.map, i830Screen->back.size); sPriv->private = NULL; return GL_FALSE; } i830Screen->tex.handle = gDRIPriv->textures; i830Screen->tex.size = gDRIPriv->textureSize; if (drmMap(sPriv->fd, i830Screen->tex.handle, i830Screen->tex.size, (drmAddress *)&i830Screen->tex.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(i830Screen); drmUnmap(i830Screen->back.map, i830Screen->back.size); drmUnmap(i830Screen->depth.map, i830Screen->depth.size); sPriv->private = NULL; return GL_FALSE; } i830Screen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; if (0) i830PrintDRIInfo(i830Screen, sPriv, gDRIPriv); i830Screen->drmMinor = sPriv->drmMinor; if (sPriv->drmMinor >= 3) { int ret; drmI830GetParam gp; gp.param = I830_PARAM_IRQ_ACTIVE; gp.value = &i830Screen->irq_active; ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "drmI830GetParam: %d\n", ret); return GL_FALSE; } } #if 0 if (sPriv->drmMinor >= 3) { int ret; drmI830SetParam sp; sp.param = I830_SETPARAM_PERF_BOXES; sp.value = (getenv("I830_DO_BOXES") != 0); ret = drmCommandWrite( sPriv->fd, DRM_I830_SETPARAM, &sp, sizeof(sp)); if (ret) fprintf(stderr, "Couldn't set perfboxes: %d\n", ret); } #endif if ( glx_enable_extension != NULL ) { (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" ); } return GL_TRUE; } static void i830DestroyScreen(__DRIscreenPrivate *sPriv) { i830ScreenPrivate *i830Screen = (i830ScreenPrivate *)sPriv->private; /* Need to unmap all the bufs and maps here: */ drmUnmap(i830Screen->back.map, i830Screen->back.size); drmUnmap(i830Screen->depth.map, i830Screen->depth.size); drmUnmap(i830Screen->tex.map, i830Screen->tex.size); FREE(i830Screen); sPriv->private = NULL; } static GLboolean i830CreateBuffer(__DRIscreenPrivate *driScrnPriv, __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap ) { i830ScreenPrivate *screen = (i830ScreenPrivate *) driScrnPriv->private; if (isPixmap) { return GL_FALSE; /* not implemented */ } else { #if 0 GLboolean swStencil = (mesaVis->stencilBits > 0 && mesaVis->depthBits != 24); #else GLboolean swStencil = mesaVis->stencilBits > 0; #endif #if 0 driDrawPriv->driverPrivate = (void *) _mesa_create_framebuffer(mesaVis, GL_FALSE, /* software depth buffer? */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE /* s/w alpha planes */); #else struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); { driRenderbuffer *frontRb = driNewRenderbuffer(GL_RGBA, screen->cpp, /*screen->frontOffset*/0, screen->backPitch); i830SetSpanFunctions(frontRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); } if (mesaVis->doubleBufferMode) { driRenderbuffer *backRb = driNewRenderbuffer(GL_RGBA, screen->cpp, screen->backOffset, screen->backPitch); i830SetSpanFunctions(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->backPitch); i830SetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } else if (mesaVis->depthBits == 24) { if (mesaVis->stencilBits == 8) { driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, screen->depthOffset, screen->backPitch); i830SetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } else { /* not really 32-bit Z, but use GL_DEPTH_COMPONENT32 anyway */ driRenderbuffer *depthRb = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->cpp, screen->depthOffset, screen->backPitch); i830SetSpanFunctions(depthRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); } } if (mesaVis->stencilBits > 0 && !swStencil) { driRenderbuffer *stencilRb = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->cpp, screen->depthOffset, screen->backPitch); i830SetSpanFunctions(stencilRb, mesaVis); _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); } _mesa_add_soft_renderbuffers(fb, GL_FALSE, /* color */ GL_FALSE, /* depth */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE, /* alpha */ GL_FALSE /* aux */); driDrawPriv->driverPrivate = (void *) fb; #endif return (driDrawPriv->driverPrivate != NULL); } } static void i830DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); } static const struct __DriverAPIRec i830API = { .InitDriver = i830InitDriver, .DestroyScreen = i830DestroyScreen, .CreateContext = i830CreateContext, .DestroyContext = i830DestroyContext, .CreateBuffer = i830CreateBuffer, .DestroyBuffer = i830DestroyBuffer, .SwapBuffers = i830SwapBuffers, .MakeCurrent = i830MakeCurrent, .UnbindContext = i830UnbindContext, .GetSwapInfo = NULL, .GetMSC = NULL, .WaitForMSC = NULL, .WaitForSBC = NULL, .SwapBuffersMSC = NULL }; static __GLcontextModes * i830FillInModes( 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; GLenum fb_format; GLenum fb_type; /* GLX_SWAP_COPY_OML is only supported because the MGA driver doesn't * support pageflipping at all. */ static const GLenum back_buffer_modes[] = { GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML }; u_int8_t depth_bits_array[2]; u_int8_t stencil_bits_array[2]; depth_bits_array[0] = 0; depth_bits_array[1] = 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. */ stencil_bits_array[0] = 0; stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1; back_buffer_factor = (have_back_buffer) ? 3 : 1; num_modes = depth_buffer_factor * back_buffer_factor * 4; if ( pixel_bits == 16 ) { fb_format = GL_RGB; fb_type = GL_UNSIGNED_SHORT_5_6_5; } else { fb_format = GL_BGRA; fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; } modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) ); m = modes; if ( ! driFillInModes( & m, fb_format, fb_type, depth_bits_array, stencil_bits_array, depth_buffer_factor, back_buffer_modes, back_buffer_factor, GLX_TRUE_COLOR ) ) { fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__ ); return NULL; } /* There's no direct color modes on i830? */ /* 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; } /** * 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, 0, 0 }; static const __DRIversion dri_expected = { 4, 0, 0 }; static const __DRIversion drm_expected = { 1, 3, 0 }; dri_interface = interface; if ( ! driCheckDriDdxDrmVersions2( "i830", 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, &i830API); if ( psp != NULL ) { I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; *driver_modes = i830FillInModes( dri_priv->cpp * 8, (dri_priv->cpp == 2) ? 16 : 24, (dri_priv->cpp == 2) ? 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 ); } return (void *) psp; }