diff options
Diffstat (limited to 'src/mesa/drivers/dri/mga/mga_xmesa.c')
| -rw-r--r-- | src/mesa/drivers/dri/mga/mga_xmesa.c | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c new file mode 100644 index 00000000000..de1bcc2a0f7 --- /dev/null +++ b/src/mesa/drivers/dri/mga/mga_xmesa.c @@ -0,0 +1,616 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mga_xmesa.c,v 1.19 2003/03/26 20:43:49 tsi Exp $ */ +/* + * Copyright 2000-2001 VA Linux Systems, Inc. + * 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 + * on 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 + * VA LINUX SYSTEMS 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. + * + * Authors: + * Keith Whitwell <[email protected]> + */ + +#include <stdio.h> + +#include "mga_common.h" +#include "mga_xmesa.h" +#include "context.h" +#include "matrix.h" +/*#include "mmath.h"*/ +#include "simple_list.h" +/*#include "mem.h"*/ + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "array_cache/acache.h" + +#include "tnl/t_pipeline.h" + +#include "mgadd.h" +#include "mgastate.h" +#include "mgatex.h" +#include "mgaspan.h" +#include "mgaioctl.h" +#include "mgatris.h" +#include "mgavb.h" +#include "mgabuffers.h" +#include "mgapixel.h" + +#include "mga_xmesa.h" + +#include "mga_dri.h" + + +#ifndef MGA_DEBUG +int MGA_DEBUG = (0 +/* | DEBUG_ALWAYS_SYNC */ +/* | DEBUG_VERBOSE_MSG */ +/* | DEBUG_VERBOSE_LRU */ +/* | DEBUG_VERBOSE_DRI */ +/* | DEBUG_VERBOSE_IOCTL */ +/* | DEBUG_VERBOSE_2D */ +/* | DEBUG_VERBOSE_FALLBACK */ + ); +#endif + + +static GLboolean +mgaInitDriver(__DRIscreenPrivate *sPriv) +{ + mgaScreenPrivate *mgaScreen; + MGADRIPtr serverInfo = (MGADRIPtr)sPriv->pDevPriv; + + if (MGA_DEBUG&DEBUG_VERBOSE_DRI) + fprintf(stderr, "mgaInitDriver\n"); + + /* Check that the DRM driver version is compatible */ + if (sPriv->drmMajor != 3 || + sPriv->drmMinor < 0) { + __driUtilMessage("MGA DRI driver expected DRM driver version 3.0.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch); + return GL_FALSE; + } + + + /* Allocate the private area */ + mgaScreen = (mgaScreenPrivate *)MALLOC(sizeof(mgaScreenPrivate)); + if (!mgaScreen) { + __driUtilMessage("Couldn't malloc screen struct"); + return GL_FALSE; + } + + mgaScreen->sPriv = sPriv; + sPriv->private = (void *)mgaScreen; + + if (sPriv->drmMinor >= 1) { + int ret; + drmMGAGetParam gp; + + gp.param = MGA_PARAM_IRQ_NR; + gp.value = (int *) &mgaScreen->irq; + + ret = drmCommandWriteRead( sPriv->fd, DRM_MGA_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drmMgaGetParam (MGA_PARAM_IRQ_NR): %d\n", ret); + FREE(mgaScreen); + sPriv->private = NULL; + return GL_FALSE; + } + } + + if (serverInfo->chipset != MGA_CARD_TYPE_G200 && + serverInfo->chipset != MGA_CARD_TYPE_G400) { + FREE(mgaScreen); + sPriv->private = NULL; + __driUtilMessage("Unrecognized chipset"); + return GL_FALSE; + } + + + mgaScreen->chipset = serverInfo->chipset; + mgaScreen->width = serverInfo->width; + mgaScreen->height = serverInfo->height; + mgaScreen->mem = serverInfo->mem; + mgaScreen->cpp = serverInfo->cpp; + + mgaScreen->agpMode = serverInfo->agpMode; + + mgaScreen->frontPitch = serverInfo->frontPitch; + mgaScreen->frontOffset = serverInfo->frontOffset; + mgaScreen->backOffset = serverInfo->backOffset; + mgaScreen->backPitch = serverInfo->backPitch; + mgaScreen->depthOffset = serverInfo->depthOffset; + mgaScreen->depthPitch = serverInfo->depthPitch; + + mgaScreen->mmio.handle = serverInfo->registers.handle; + mgaScreen->mmio.size = serverInfo->registers.size; + if ( drmMap( sPriv->fd, + mgaScreen->mmio.handle, mgaScreen->mmio.size, + &mgaScreen->mmio.map ) < 0 ) { + FREE( mgaScreen ); + sPriv->private = NULL; + __driUtilMessage( "Couldn't map MMIO registers" ); + return GL_FALSE; + } + + mgaScreen->primary.handle = serverInfo->primary.handle; + mgaScreen->primary.size = serverInfo->primary.size; + mgaScreen->buffers.handle = serverInfo->buffers.handle; + mgaScreen->buffers.size = serverInfo->buffers.size; + +#if 0 + mgaScreen->agp.handle = serverInfo->agp; + mgaScreen->agp.size = serverInfo->agpSize; + + if (drmMap(sPriv->fd, + mgaScreen->agp.handle, + mgaScreen->agp.size, + (drmAddress *)&mgaScreen->agp.map) != 0) + { + Xfree(mgaScreen); + sPriv->private = NULL; + __driUtilMessage("Couldn't map agp region"); + return GL_FALSE; + } +#endif + + mgaScreen->textureOffset[MGA_CARD_HEAP] = serverInfo->textureOffset; + mgaScreen->textureOffset[MGA_AGP_HEAP] = (serverInfo->agpTextureOffset | + PDEA_pagpxfer_enable | 1); + + mgaScreen->textureSize[MGA_CARD_HEAP] = serverInfo->textureSize; + mgaScreen->textureSize[MGA_AGP_HEAP] = serverInfo->agpTextureSize; + + mgaScreen->logTextureGranularity[MGA_CARD_HEAP] = + serverInfo->logTextureGranularity; + mgaScreen->logTextureGranularity[MGA_AGP_HEAP] = + serverInfo->logAgpTextureGranularity; + + mgaScreen->texVirtual[MGA_CARD_HEAP] = (char *)(mgaScreen->sPriv->pFB + + serverInfo->textureOffset); + if (drmMap(sPriv->fd, + serverInfo->agpTextureOffset, + serverInfo->agpTextureSize, + (drmAddress *)&mgaScreen->texVirtual[MGA_AGP_HEAP]) != 0) + { + free(mgaScreen); + sPriv->private = NULL; + __driUtilMessage("Couldn't map agptexture region"); + return GL_FALSE; + } + +#if 0 + mgaScreen->texVirtual[MGA_AGP_HEAP] = (mgaScreen->agp.map + + serverInfo->agpTextureOffset); +#endif + + mgaScreen->mAccess = serverInfo->mAccess; + + /* For calculating setupdma addresses. + */ + mgaScreen->dmaOffset = serverInfo->buffers.handle; + + mgaScreen->bufs = drmMapBufs(sPriv->fd); + if (!mgaScreen->bufs) { + /*drmUnmap(mgaScreen->agp_tex.map, mgaScreen->agp_tex.size);*/ + FREE(mgaScreen); + sPriv->private = NULL; + __driUtilMessage("Couldn't map dma buffers"); + return GL_FALSE; + } + mgaScreen->sarea_priv_offset = serverInfo->sarea_priv_offset; + + return GL_TRUE; +} + + +static void +mgaDestroyScreen(__DRIscreenPrivate *sPriv) +{ + mgaScreenPrivate *mgaScreen = (mgaScreenPrivate *) sPriv->private; + + if (MGA_DEBUG&DEBUG_VERBOSE_DRI) + fprintf(stderr, "mgaDestroyScreen\n"); + + /*drmUnmap(mgaScreen->agp_tex.map, mgaScreen->agp_tex.size);*/ + free(mgaScreen); + sPriv->private = NULL; +} + + +extern const struct gl_pipeline_stage _mga_render_stage; + +static const struct gl_pipeline_stage *mga_pipeline[] = { + &_tnl_vertex_transform_stage, + &_tnl_normal_transform_stage, + &_tnl_lighting_stage, + &_tnl_fog_coordinate_stage, + &_tnl_texgen_stage, + &_tnl_texture_transform_stage, + /* REMOVE: point attenuation stage */ +#if 0 + &_mga_render_stage, /* ADD: unclipped rastersetup-to-dma */ + /* Need new ioctl for wacceptseq */ +#endif + &_tnl_render_stage, + 0, +}; + + +static GLboolean +mgaCreateContext( const __GLcontextModes *mesaVis, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ) +{ + int i; + GLcontext *ctx, *shareCtx; + mgaContextPtr mmesa; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + mgaScreenPrivate *mgaScreen = (mgaScreenPrivate *)sPriv->private; + MGASAREAPrivPtr saPriv=(MGASAREAPrivPtr)(((char*)sPriv->pSAREA)+ + mgaScreen->sarea_priv_offset); + + if (MGA_DEBUG&DEBUG_VERBOSE_DRI) + fprintf(stderr, "mgaCreateContext\n"); + + /* allocate mga context */ + mmesa = (mgaContextPtr) CALLOC(sizeof(mgaContext)); + if (!mmesa) { + return GL_FALSE; + } + + /* Allocate the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((mgaContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + mmesa->glCtx = _mesa_create_context(mesaVis, shareCtx, mmesa, GL_TRUE); + if (!mmesa->glCtx) { + FREE(mmesa); + return GL_FALSE; + } + driContextPriv->driverPrivate = mmesa; + + /* Init mga state */ + mmesa->hHWContext = driContextPriv->hHWContext; + mmesa->driFd = sPriv->fd; + mmesa->driHwLock = &sPriv->pSAREA->lock; + + mmesa->mgaScreen = mgaScreen; + mmesa->driScreen = sPriv; + mmesa->sarea = (void *)saPriv; + mmesa->glBuffer = NULL; + + make_empty_list(&mmesa->SwappedOut); + + mmesa->lastTexHeap = mgaScreen->texVirtual[MGA_AGP_HEAP] ? 2 : 1; + + for (i = 0 ; i < mmesa->lastTexHeap ; i++) { + mmesa->texHeap[i] = mmInit( 0, mgaScreen->textureSize[i]); + make_empty_list(&mmesa->TexObjList[i]); + } + + /* Set the maximum texture size small enough that we can guarentee + * that both texture units can bind a maximal texture and have them + * on the card at once. + */ + ctx = mmesa->glCtx; + { + int nr = 2; + + if (mgaScreen->chipset == MGA_CARD_TYPE_G200) + nr = 1; + + if (mgaScreen->textureSize[0] < nr*1024*1024) { + ctx->Const.MaxTextureLevels = 9; + } else if (mgaScreen->textureSize[0] < nr*4*1024*1024) { + ctx->Const.MaxTextureLevels = 10; + } else { + ctx->Const.MaxTextureLevels = 11; + } + + ctx->Const.MaxTextureUnits = nr; + } + + ctx->Const.MinLineWidth = 1.0; + ctx->Const.MinLineWidthAA = 1.0; + ctx->Const.MaxLineWidth = 10.0; + ctx->Const.MaxLineWidthAA = 10.0; + ctx->Const.LineWidthGranularity = 1.0; + + mmesa->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; + + switch (mesaVis->depthBits) { + case 16: + mmesa->depth_scale = 1.0/(GLdouble)0xffff; + mmesa->depth_clear_mask = ~0; + mmesa->ClearDepth = 0xffff; + break; + case 24: + mmesa->depth_scale = 1.0/(GLdouble)0xffffff; + if (mmesa->hw_stencil) { + mmesa->depth_clear_mask = 0xffffff00; + mmesa->stencil_clear_mask = 0x000000ff; + } else + mmesa->depth_clear_mask = ~0; + mmesa->ClearDepth = 0xffffff00; + break; + case 32: + mmesa->depth_scale = 1.0/(GLdouble)0xffffffff; + mmesa->depth_clear_mask = ~0; + mmesa->ClearDepth = 0xffffffff; + break; + }; + + mmesa->haveHwStipple = GL_FALSE; + mmesa->RenderIndex = -1; /* impossible value */ + mmesa->new_state = ~0; + mmesa->dirty = ~0; + mmesa->vertex_format = 0; + mmesa->CurrentTexObj[0] = 0; + mmesa->CurrentTexObj[1] = 0; + mmesa->tmu_source[0] = 0; + mmesa->tmu_source[1] = 1; + + mmesa->texAge[0] = 0; + mmesa->texAge[1] = 0; + + /* Initialize the software rasterizer and helper modules. + */ + _swrast_CreateContext( ctx ); + _ac_CreateContext( ctx ); + _tnl_CreateContext( ctx ); + + _swsetup_CreateContext( ctx ); + + /* Install the customized pipeline: + */ + _tnl_destroy_pipeline( ctx ); + _tnl_install_pipeline( ctx, mga_pipeline ); + + /* Configure swrast to match hardware characteristics: + */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + + mmesa->primary_offset = mmesa->mgaScreen->primary.handle; + + ctx->DriverCtx = (void *) mmesa; + mmesa->glCtx = ctx; + + mgaDDExtensionsInit( ctx ); + + mgaDDInitStateFuncs( ctx ); + mgaDDInitTextureFuncs( ctx ); + mgaDDInitSpanFuncs( ctx ); + mgaDDInitDriverFuncs( ctx ); + mgaDDInitIoctlFuncs( ctx ); + mgaDDInitPixelFuncs( ctx ); + mgaDDInitTriFuncs( ctx ); + + mgaInitVB( ctx ); + mgaInitState( mmesa ); + + driContextPriv->driverPrivate = (void *) mmesa; + + return GL_TRUE; +} + +static void +mgaDestroyContext(__DRIcontextPrivate *driContextPriv) +{ + mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; + + if (MGA_DEBUG&DEBUG_VERBOSE_DRI) + fprintf(stderr, "mgaDestroyContext\n"); + + assert(mmesa); /* should never be null */ + if (mmesa) { + _swsetup_DestroyContext( mmesa->glCtx ); + _tnl_DestroyContext( mmesa->glCtx ); + _ac_DestroyContext( mmesa->glCtx ); + _swrast_DestroyContext( mmesa->glCtx ); + + mgaFreeVB( mmesa->glCtx ); + + /* free the Mesa context */ + mmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(mmesa->glCtx); + /* free the mga context */ + FREE(mmesa); + } +} + + +static GLboolean +mgaCreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + GLboolean swStencil = (mesaVis->stencilBits > 0 && + mesaVis->depthBits != 24); + + driDrawPriv->driverPrivate = (void *) + _mesa_create_framebuffer(mesaVis, + GL_FALSE, /* software depth buffer? */ + swStencil, + mesaVis->accumRedBits > 0, + mesaVis->alphaBits > 0 ); + + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +mgaDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + + +static GLboolean +mgaUnbindContext(__DRIcontextPrivate *driContextPriv) +{ + mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; + if (mmesa) + mmesa->dirty = ~0; + + return GL_TRUE; +} + +static GLboolean +mgaOpenFullScreen(__DRIcontextPrivate *driContextPriv) +{ + return GL_TRUE; +} + +static GLboolean +mgaCloseFullScreen(__DRIcontextPrivate *driContextPriv) +{ + return GL_TRUE; +} + + +/* This looks buggy to me - the 'b' variable isn't used anywhere... + * Hmm - It seems that the drawable is already hooked in to + * driDrawablePriv. + * + * But why are we doing context initialization here??? + */ +static GLboolean +mgaMakeCurrent(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv) +{ + fprintf(stderr, "%s\n", __FUNCTION__); + + if (driContextPriv) { + mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; + + if (mmesa->driDrawable != driDrawPriv) { + mmesa->driDrawable = driDrawPriv; + mmesa->dirty = ~0; + mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK); + } + + _mesa_make_current2(mmesa->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate); + + if (!mmesa->glCtx->Viewport.Width) + _mesa_set_viewport(mmesa->glCtx, 0, 0, + driDrawPriv->w, driDrawPriv->h); + + } + else { + _mesa_make_current(NULL, NULL); + } + + return GL_TRUE; +} + +void mgaGetLock( mgaContextPtr mmesa, GLuint flags ) +{ + __DRIdrawablePrivate *dPriv = mmesa->driDrawable; + MGASAREAPrivPtr sarea = mmesa->sarea; + int me = mmesa->hHWContext; + int i; + + fprintf(stderr, "%s\n", __FUNCTION__); + + drmGetLock(mmesa->driFd, mmesa->hHWContext, flags); + + fprintf(stderr, + "mmesa->lastStamp %d dpriv->lastStamp %d *(dpriv->pStamp) %d\n", + mmesa->lastStamp, + dPriv->lastStamp, + *(dPriv->pStamp)); + + /* The window might have moved, so we might need to get new clip + * rects. + * + * NOTE: This releases and regrabs the hw lock to allow the X server + * to respond to the DRI protocol request for new drawable info. + * Since the hardware state depends on having the latest drawable + * clip rects, all state checking must be done _after_ this call. + */ + DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv ); + + if ( mmesa->lastStamp == 0 || + mmesa->lastStamp != dPriv->lastStamp ) { + mmesa->lastStamp = dPriv->lastStamp; + mmesa->SetupNewInputs |= VERT_BIT_CLIP; + mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK); + mgaUpdateRects( mmesa, (MGA_FRONT|MGA_BACK) ); + } + + mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS; + + mmesa->sarea->dirty |= MGA_UPLOAD_CONTEXT; + + if (sarea->ctxOwner != me) { + mmesa->dirty |= (MGA_UPLOAD_CONTEXT | MGA_UPLOAD_TEX0 | + MGA_UPLOAD_TEX1 | MGA_UPLOAD_PIPE); + sarea->ctxOwner=me; + } + + for (i = 0 ; i < mmesa->lastTexHeap ; i++) + if (sarea->texAge[i] != mmesa->texAge[i]) + mgaAgeTextures( mmesa, i ); + + sarea->last_quiescent = -1; /* just kill it for now */ +} + + + +static const struct __DriverAPIRec mgaAPI = { + mgaInitDriver, + mgaDestroyScreen, + mgaCreateContext, + mgaDestroyContext, + mgaCreateBuffer, + mgaDestroyBuffer, + mgaSwapBuffers, + mgaMakeCurrent, + mgaUnbindContext, + mgaOpenFullScreen, + mgaCloseFullScreen +}; + + + +/* + * 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(struct DRIDriverRec *driver, + struct DRIDriverContextRec *driverContext) +{ + __DRIscreenPrivate *psp; + psp = __driUtilCreateScreen(driver, driverContext, &mgaAPI); + return (void *) psp; +} |