/************************************************************************** * * 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 1.4 2003/09/28 20:15:14 alanh Exp $ */ /* * Authors: * Keith Whitwell * Adapted for use on the I830M: * Jeff Hartmann */ #include "glheader.h" #include "context.h" #include "matrix.h" #include "simple_list.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" static int i830_malloc_proxy_buf(drmBufMapPtr buffers) { char *buffer; drmBufPtr buf; int i; buffer = Xmalloc(I830_DMA_BUF_SZ); 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)Xmalloc(sizeof(drmBufMap)); if(retval == NULL) return NULL; memset(retval, 0, sizeof(drmBufMap)); retval->list = (drmBufPtr)Xmalloc(sizeof(drmBuf) * I830_DMA_BUF_NR); if(retval->list == NULL) { Xfree(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; /* Check the DRI externsion version */ if ( sPriv->driMajor != 4 || sPriv->driMinor < 0 ) { __driUtilMessage( "i830 DRI driver expected DRI version 4.0.x " "but got version %d.%d.%d", sPriv->driMajor, sPriv->driMinor, sPriv->driPatch ); return GL_FALSE; } /* Check that the DDX driver version is compatible */ if (sPriv->ddxMajor != 1 || sPriv->ddxMinor < 0) { __driUtilMessage("i830 DRI driver expected DDX driver version 1.0.x but got version %d.%d.%d", sPriv->ddxMajor, sPriv->ddxMinor, sPriv->ddxPatch); return GL_FALSE; } /* Check that the DRM driver version is compatible */ if (sPriv->drmMajor != 1 || sPriv->drmMinor < 3) { __driUtilMessage("i830 DRI driver expected DRM driver version 1.3.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch); return GL_FALSE; } /* Allocate the private area */ i830Screen = (i830ScreenPrivate *)Xmalloc(sizeof(i830ScreenPrivate)); if (!i830Screen) { fprintf(stderr,"\nERROR! Allocating private area failed\n"); return GL_FALSE; } 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__); Xfree(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__); Xfree(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__); Xfree(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__); Xfree(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 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); Xfree(i830Screen); sPriv->private = NULL; } static GLboolean i830CreateBuffer(__DRIscreenPrivate *driScrnPriv, __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap ) { 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 driDrawPriv->driverPrivate = (void *) _mesa_create_framebuffer(mesaVis, GL_FALSE, /* software depth buffer? */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE /* s/w alpha planes */); return (driDrawPriv->driverPrivate != NULL); } } static void i830DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); } static GLboolean i830OpenCloseFullScreen (__DRIcontextPrivate *driContextPriv) { return GL_TRUE; } static const struct __DriverAPIRec i830API = { .InitDriver = i830InitDriver, .DestroyScreen = i830DestroyScreen, .CreateContext = i830CreateContext, .DestroyContext = i830DestroyContext, .CreateBuffer = i830CreateBuffer, .DestroyBuffer = i830DestroyBuffer, .SwapBuffers = i830SwapBuffers, .MakeCurrent = i830MakeCurrent, .UnbindContext = i830UnbindContext, .OpenFullScreen = i830OpenCloseFullScreen, .CloseFullScreen = i830OpenCloseFullScreen, .GetSwapInfo = NULL, .GetMSC = NULL, .WaitForMSC = NULL, .WaitForSBC = NULL, .SwapBuffersMSC = NULL }; /* * This is the bootstrap function for the driver. * The __driCreateScreen name is the symbol that libGL.so fetches. * Return: pointer to a __DRIscreenPrivate. */ void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc, int numConfigs, __GLXvisualConfig *config) { __DRIscreenPrivate *psp; psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &i830API); return (void *) psp; }