diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/i810/i810dmainit.c')
-rw-r--r-- | xc/lib/GL/mesa/src/drv/i810/i810dmainit.c | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/xc/lib/GL/mesa/src/drv/i810/i810dmainit.c b/xc/lib/GL/mesa/src/drv/i810/i810dmainit.c deleted file mode 100644 index 335c4a612..000000000 --- a/xc/lib/GL/mesa/src/drv/i810/i810dmainit.c +++ /dev/null @@ -1,389 +0,0 @@ - -/* -*- mode: C; c-basic-offset:8 -*- */ -/* - * GLX Hardware Device Driver for Intel i810 - * Copyright (C) 1999 Keith Whitwell - * - * 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 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 - * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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. - * - * - * based on the original by Jeff Hartmann <slicer@ionet.net> - * as rewritten by John Carmack <johnc@idsoftware.com> - */ - -/* - -This file is only entered at startup. After i810GlxInit completes, -nothing here will be executed again. - -*/ - -#include <stdlib.h> -#include <errno.h> -#include <unistd.h> -#include <sys/mman.h> -#include <stdio.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include <signal.h> - -#include "context.h" -#include "depth.h" -#include "macros.h" -#include "texstate.h" -#include "triangle.h" -#include "vb.h" -#include "types.h" - -#include "xsmesaP.h" -#include "glx_log.h" -#include "mesaglx/context.h" -#include "mesaglx/matrix.h" -#include "mesaglx/types.h" - -#define GC XXGC -#include "gcstruct.h" -#include "pixmapstr.h" -#include "servermd.h" /* PixmapBytePad */ -#include "scrnintstr.h" -#include "regionstr.h" -#include "windowstr.h" -#undef GC - -#include "vga.h" -#include "vgaPCI.h" -#include "i810.h" -#include "xaa/xf86xaa.h" - -#include "mm.h" -#include "i810buf.h" -#include "i810dd.h" -#include "i810lib.h" -#include "i810log.h" -#include "i810direct.h" -#include "i810glx.h" - -#include <agpgart.h> - -/* private vars */ -i810BatchBuffer *dmaBuffers[2]; -static I810MemRange I810SysMem2; - - -static const char *getenvSafe(const char *name ) { - const char *r; - - r = getenv( name ); - if ( !r ) { - return ""; - } - return r; -} - - -static void AllocateCommandBuffers( void ) -{ - PMemBlock block; - GLuint bufferBytes = i810glx.cmdSize; - GLuint start, i; - - if ( 1 || !bufferBytes ) { - fprintf(stderr,"temporarily hardwiring GLX_I810_CMDSIZE = 1\n" ); - bufferBytes = 1; - } - - bufferBytes *= 0x100000; - - block = mmAllocMem( i810glx.sysmemHeap, bufferBytes, 8, 0 ); - - if ( !block ) { - fprintf(stderr, - "failed to allocate 0x%x bytes from " - "sysmemHeap for command buffers.\n", - bufferBytes ); - - FatalError("Couldn't get dma buffer\n"); - } - - start = block->ofs; - - /* setup the two buffers that will be ping-ponged - */ - for (i = 0 ; i < 2 ; i++) { - dmaBuffers[i] = calloc(1,sizeof(i810BatchBuffer)); - dmaBuffers[i]->virtual_start = i810glx.sysmemVirtual + start; - dmaBuffers[i]->mem.Start = start; - dmaBuffers[i]->mem.Size = bufferBytes / 2; - dmaBuffers[i]->mem.End = (start += bufferBytes / 2); - } - - i810DmaResetBuffer(); -} - - -/* Another bit of duplication caused by 'static' code in the X server. - */ -static int gartfd; -static struct gart_info gartinf; -static char *gart_buf; - -static int AllocateGARTMemory( int size ) -{ - int i, pages = size / 4096; - int start = vga256InfoRec.videoRam / 4; /* a crock! */ - struct stat sb; - - if (stat("/dev/agpgart", &sb) != 0) { - ErrorF("Stat failed on /dev/agpgart: %s\n", - sys_errlist[errno]); - return -1; - } - - gartfd = open("/dev/agpgart", O_RDWR); - if (gartfd == -1) { - ErrorF("unable to open /dev/agpgart: %s\n", - sys_errlist[errno]); - FatalError("Aborting"); - } - - if (ioctl(gartfd, GARTIOCINFO, &gartinf) != 0) { - ErrorF("error doing ioctl(GARTIOCINFO): %s\n", - sys_errlist[errno]); - FatalError("Aborting"); - } - - /* Treat the gart like video memory - we assume we own all that is - * there, so ignore EBUSY errors. Don't try to remove it on - * failure, either. - */ - for (i = start; i < start+pages; i++) - if (ioctl(gartfd, GARTIOCINSERT, &i) != 0) { - if (errno != EBUSY) - { - perror("gart insert"); - ErrorF("GART: allocation of %d pages failed at page %d\n", - pages, i); - FatalError("Aborting"); - } - } - - ErrorF("GART: allocated %dK system ram\n", pages * 4); - - I810SysMem2.Start = start * 4096; - I810SysMem2.End = (start + pages) * 4096; - I810SysMem2.Size = pages * 4096; - - gart_buf = mmap( 0, - gartinf.size * 0x100000, - PROT_READ | PROT_WRITE, - MAP_SHARED, - gartfd, - 0 ); - - if ((unsigned int)gart_buf == ~0) { - perror("/dev/agpgart"); - FatalError("Couldn't mmap /dev/agpgart - aborting"); - } - - return 0; -} - - -/* - * AllocateSystemMemory - * Looks at environment variables to determine if a block - * of physical memory has been left for graphics after the - * memory available to the kernel. - * System memory can be used for dma command buffers or - * textures. - */ -static void AllocateSystemMemory( void ) -{ - GLuint sysmemBytes = i810glx.dmaSize; - - if ( !sysmemBytes ) - sysmemBytes = 8; - - sysmemBytes *= 0x100000; - - if (AllocateGARTMemory(sysmemBytes) != 0) - FatalError( "AllocateGARTMemory failed.\n" ); - - - i810glx.sysmemVirtual = (unsigned char *)gart_buf; - - /* Suck in any leftover memory from the 2d server. - - i810glx.sysmemHeap = mmInit( I810SysMem.Start, - I810SysMem.Size ); - */ - - /* Add our new memory. - */ - i810glx.sysmemHeap = -/* mmAddRange( i810glx.sysmemHeap, */ - mmInit( - I810SysMem2.Start, - I810SysMem2.Size ); - - - /* Manage dcache mem via. a seperate heap. - */ - i810glx.cardHeap = mmInit( I810DcacheMem.Start, - I810DcacheMem.Size ); - - i810Msg( 1, "sysmemSize: 0x%x\n", sysmemBytes ); - i810Msg( 1, "cardSize: 0x%lx\n", I810DcacheMem.Size ); -} - - - -/* - * i810DmaInit - * -*/ -void i810DmaInit(void) { - - /* Server init - queries environment variables. The client - * gets these values from the sever and initializes them in - * i810direct.c - */ - if (__glx_is_server) { - i810glx.dmaDriver = atoi( getenvSafe("GLX_I810_DMA") ); - i810glx.dmaSize = atoi( getenvSafe("GLX_I810_DMASIZE") ); - i810glx.cmdSize = atoi( getenvSafe("GLX_I810_CMDSIZE") ); - - if (i810glx.dmaDriver != 3) - FatalError("GLX_I810_DMA not set\n"); - } - - /* get some system memory and make it write combining if we can */ - AllocateSystemMemory(); - - /* read the command environment variable */ - i810Msg(1,"i810DmaInit: GLX_I810_DMA = %i\n", i810glx.dmaDriver ); - - /* setup the two command buffers in the apropriate memory space */ - AllocateCommandBuffers(); - - /* prepare the first buffer for use */ - i810DmaResetBuffer(); -} - - -/* - * This function should only verify that the current hardware is supported. - * It should do no setup. - */ -static GLboolean i810_detect_hw( void ) -{ - if (I810Chipset == -1) - return GL_FALSE; - - if (vga256InfoRec.depth != 15 && - vga256InfoRec.depth != 16) - { - i810Error("Unsupported depth: %d, only 15 and 16d bpp " - "are supported right now\n", - vga256InfoRec.depth); - return GL_FALSE; - } - - return GL_TRUE; -} - -/* - * i810InitLogging - * - */ -void i810InitLogging( void ) -{ - i810glx.logLevel = 100; -} - - - -/* - * i810InitGLX - * This is the initial entry point for the i810 hardware driver, - * called at X server module load time, or libGL direct rendering - * init time. - */ -GLboolean i810InitGLX( void ) { - - fprintf(stderr, "\n\n\n\ni810InitGLX\n"); - - i810InitLogging(); - - i810Msg(1,"virtual (x, y) (%d, %d)\n", vga256InfoRec.virtualX, - vga256InfoRec.virtualY); - i810Msg(1,"width: %d\n", vga256InfoRec.displayWidth); - i810Msg(1,"depth: %d\n", vga256InfoRec.depth); - i810Msg(1,"memBase: %p\n", vgaLinearBase); - i810Msg(1,"videoRam: 0x%08x\n", vga256InfoRec.videoRam); - - if (!i810_detect_hw()) { - ErrorF("Couldn't find i810 hardware\n\n\n"); - return GL_FALSE; - } - - /* init the dma system */ - i810DmaInit(); - - /* Register as a glx driver */ - GLXProcs.CreateContext = i810GLXCreateContext; - GLXProcs.DestroyContext = i810GLXDestroyContext; - GLXProcs.SwapBuffers = i810GLXSwapBuffers; - GLXProcs.CreateImage = i810GLXCreateImage; - GLXProcs.DestroyImage = i810GLXDestroyImage; - GLXProcs.CreateDepthBuffer = i810GLXCreateDepthBuffer; - GLXProcs.MakeCurrent = i810GLXMakeCurrent; - GLXProcs.BindBuffer = i810GLXBindBuffer; - GLXProcs.SwapBuffers = i810GLXSwapBuffers; - GLXProcs.VendorPrivate = i810GLXVendorPrivate; - GLXProcs.AllowDirect = i810GLXAllowDirect; - - if (!__glx_is_server) { - GLXProcs.ValidateFrontBuffer = i810ClientGetGeometry; - } - - /* these vars can be changed between invocations of direct clients */ - if (getenv("GLX_I810_NULLPRIMS") ) { - i810Msg( 1, "enabling GLX_I810_NULLPRIMS\n" ); - i810glx.nullprims = 1; - } - if (getenv("GLX_I810_SKIPDMA") ) { - i810Msg( 1, "enabling GLX_I810_SKIPDMA\n" ); - i810glx.skipDma = 1; - } - if (getenv("GLX_I810_BOXES") ) { - i810Msg( 1, "enabling GLX_I810_BOXES\n" ); - i810glx.boxes = 1; - } - if (getenv("GLX_I810_NOFALLBACK") ) { - i810Msg( 1, "enabling GLX_I810_NOFALLBACK\n" ); - i810glx.noFallback = 1; - } - - i810Error("i810InitGLX completed\n"); - return GL_TRUE; -} - - |