/************************************************************************** * * 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 "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 "xmlpool.h" const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_MAX_TEXTURE_UNITS(4,2,4) DRI_CONF_SECTION_END DRI_CONF_END; const GLuint __driNConfigOptions = 1; #ifdef USE_NEW_INTERFACE static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; #endif /*USE_NEW_INTERFACE*/ 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; /* 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 *)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 #ifndef _SOLO if ( driCompareGLXAPIVersion( 20030813 ) >= 0 ) { PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = (PFNGLXSCRENABLEEXTENSIONPROC) glXGetProcAddress( (const GLubyte *) "__glXScrEnableExtension" ); void * const psc = sPriv->psc->screenConfigs; if ( glx_enable_extension != NULL ) { (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" ); if ( driCompareGLXAPIVersion( 20030915 ) >= 0 ) { (*glx_enable_extension)( psc, "GLX_SGIX_fbconfig" ); (*glx_enable_extension)( psc, "GLX_OML_swap_method" ); } } } #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); FREE(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 const struct __DriverAPIRec i830API = { .InitDriver = i830InitDriver, .DestroyScreen = i830DestroyScreen, .CreateContext = i830CreateContext, .DestroyContext = i830DestroyContext, .CreateBuffer = i830CreateBuffer, .DestroyBuffer = i830DestroyBuffer, .SwapBuffers = i830SwapBuffers, .MakeCurrent = i830MakeCurrent, .UnbindContext = i830UnbindContext, .OpenFullScreen = NULL, .CloseFullScreen = NULL, .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. */ #ifndef _SOLO 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; } #else void *__driCreateScreen(struct DRIDriverRec *driver, struct DRIDriverContextRec *driverContext) { __DRIscreenPrivate *psp; psp = __driUtilCreateScreen(driver, driverContext, &i830API); return (void *) psp; } #endif #ifdef USE_NEW_INTERFACE 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, 8 } }; static const uint32_t masks[2][4] = { { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 } }; 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 = (masks[index][3] != 0) ? 16 * j : 0; modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; modes->stencilBits = stencil_bits; modes->depthBits = depth_bits; modes->visualType = visType; modes->renderType = GLX_RGBA_BIT; modes->drawableType = GLX_WINDOW_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; } #endif /* USE_NEW_INTERFACE */ #ifdef USE_NEW_INTERFACE 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; unsigned i; /* 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 }; 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) ? 3 : 1; num_modes = depth_buffer_factor * back_buffer_factor * 4; modes = (*create_context_modes)( 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 ); } /* There's no direct color modes on i830? */ #if 0 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 ); } #endif /* 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; } #endif /* USE_NEW_INTERFACE */ /** * 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. */ #ifdef USE_NEW_INTERFACE void * __driCreateNewScreen( Display *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, __GLcontextModes ** driver_modes ) { __DRIscreenPrivate *psp; psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, ddx_version, dri_version, drm_version, frame_buffer, pSAREA, fd, internal_api_version, &i830API); if ( psp != NULL ) { create_context_modes = (PFNGLXCREATECONTEXTMODES) glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" ); if ( create_context_modes != 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) ); } } return (void *) psp; } #endif /* USE_NEW_INTERFACE */