From c403bcb8a7be437976d5adce41189fff1e7f690f Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Thu, 16 Dec 2004 19:26:23 +0000 Subject: Import s3virge and trident drivers. Not functional yet; no Makefile, no DRI-aware DDX. --- src/mesa/drivers/dri/trident/trident_context.c | 419 +++++++++++++++++++++++++ 1 file changed, 419 insertions(+) create mode 100644 src/mesa/drivers/dri/trident/trident_context.c (limited to 'src/mesa/drivers/dri/trident/trident_context.c') diff --git a/src/mesa/drivers/dri/trident/trident_context.c b/src/mesa/drivers/dri/trident/trident_context.c new file mode 100644 index 0000000000..168e7d1fc4 --- /dev/null +++ b/src/mesa/drivers/dri/trident/trident_context.c @@ -0,0 +1,419 @@ +/* + * Copyright 2002 by Alan Hourihane, Sychdyn, North Wales, UK. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Alan Hourihane not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Alan Hourihane makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Alan Hourihane, + * + * Trident CyberBladeXP driver. + * + */ +#include "trident_dri.h" +#include "trident_context.h" +#include "trident_lock.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "array_cache/acache.h" + +#include "tnl/tnl.h" +#include "tnl/t_pipeline.h" + +#include "context.h" +#include "simple_list.h" +#include "mem.h" +#include "matrix.h" +#include "extensions.h" +#if defined(USE_X86_ASM) +#include "X86/common_x86_asm.h" +#endif +#include "simple_list.h" +#include "mem.h" +#include "mm.h" + +static const struct gl_pipeline_stage *trident_pipeline[] = { + &_tnl_vertex_transform_stage, + &_tnl_normal_transform_stage, + &_tnl_lighting_stage, + &_tnl_texgen_stage, + &_tnl_texture_transform_stage, + &_tnl_render_stage, + 0, +}; + + +GLboolean tridentCreateContext( Display *dpy, const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate) +{ + GLcontext *ctx, *shareCtx; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + tridentContextPtr tmesa; + tridentScreenPtr tridentscrn; +#if 0 + drm_trident_sarea_t *saPriv=(drm_trident_sarea_t *)(((char*)sPriv->pSAREA)+ + sizeof(XF86DRISAREARec)); +#endif + + tmesa = (tridentContextPtr) CALLOC( sizeof(*tmesa) ); + if ( !tmesa ) return GL_FALSE; + + /* Allocate the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((tridentContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + + tmesa->glCtx = _mesa_create_context(glVisual, shareCtx, tmesa, GL_TRUE); + if (!tmesa->glCtx) { + FREE(tmesa); + return GL_FALSE; + } + + tmesa->display = dpy; + + tmesa->driContext = driContextPriv; + tmesa->driScreen = sPriv; + tmesa->driDrawable = NULL; /* Set by XMesaMakeCurrent */ + + tmesa->hHWContext = driContextPriv->hHWContext; + tmesa->driHwLock = &sPriv->pSAREA->lock; + tmesa->driFd = sPriv->fd; +#if 0 + tmesa->sarea = saPriv; +#endif + + tridentscrn = tmesa->tridentScreen = (tridentScreenPtr)(sPriv->private); + + ctx = tmesa->glCtx; + + ctx->Const.MaxTextureLevels = 13; /* 4K by 4K? Is that right? */ + ctx->Const.MaxTextureUnits = 1; /* Permedia 3 */ + + ctx->Const.MinLineWidth = 0.0; + ctx->Const.MaxLineWidth = 255.0; + + ctx->Const.MinLineWidthAA = 0.0; + ctx->Const.MaxLineWidthAA = 65536.0; + + ctx->Const.MinPointSize = 0.0; + ctx->Const.MaxPointSize = 255.0; + + ctx->Const.MinPointSizeAA = 0.5; /* 4x4 quality mode */ + ctx->Const.MaxPointSizeAA = 16.0; + ctx->Const.PointSizeGranularity = 0.25; + +#if 0 + tmesa->texHeap = mmInit( 0, tmesa->tridentScreen->textureSize ); + + make_empty_list(&tmesa->TexObjList); + make_empty_list(&tmesa->SwappedOut); + + tmesa->CurrentTexObj[0] = 0; + tmesa->CurrentTexObj[1] = 0; /* Permedia 3, second texture */ + + tmesa->RenderIndex = ~0; +#endif + + /* 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, trident_pipeline ); + + /* Configure swrast to match hardware characteristics: + */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + + tridentInitVB( ctx ); + tridentDDInitExtensions( ctx ); + tridentDDInitDriverFuncs( ctx ); + tridentDDInitStateFuncs( ctx ); +#if 0 + tridentDDInitSpanFuncs( ctx ); + tridentDDInitTextureFuncs( ctx ); +#endif + tridentDDInitTriFuncs( ctx ); + tridentDDInitState( tmesa ); + + driContextPriv->driverPrivate = (void *)tmesa; + + UNLOCK_HARDWARE(tmesa); + + return GL_TRUE; +} + +static void +tridentDestroyContext(__DRIcontextPrivate *driContextPriv) +{ + tridentContextPtr tmesa = (tridentContextPtr)driContextPriv->driverPrivate; + + if (tmesa) { + _swsetup_DestroyContext( tmesa->glCtx ); + _tnl_DestroyContext( tmesa->glCtx ); + _ac_DestroyContext( tmesa->glCtx ); + _swrast_DestroyContext( tmesa->glCtx ); + + /* free the Mesa context */ + tmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(tmesa->glCtx); + + Xfree(tmesa); + driContextPriv->driverPrivate = NULL; + } +} + + +static GLboolean +tridentCreateBuffer( Display *dpy, + __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + driDrawPriv->driverPrivate = (void *) + _mesa_create_framebuffer(mesaVis, + GL_FALSE, /* software depth buffer? */ + mesaVis->stencilBits > 0, + mesaVis->accumRedBits > 0, + mesaVis->alphaBits > 0 + ); + return (driDrawPriv->driverPrivate != NULL); + } +} + + +static void +tridentDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + +static void +tridentSwapBuffers(Display *dpy, void *drawablePrivate) +{ + __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate; + (void) dpy; + + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + tridentContextPtr tmesa; + GLcontext *ctx; + tmesa = (tridentContextPtr) dPriv->driContextPriv->driverPrivate; + ctx = tmesa->glCtx; + if (ctx->Visual.doubleBufferMode) { + _mesa_swapbuffers( ctx ); /* flush pending rendering comands */ + tridentCopyBuffer( dPriv ); + } + } + else { + /* XXX this shouldn't be an error but we can't handle it for now */ + _mesa_problem(NULL, "tridentSwapBuffers: drawable has no context!\n"); + } +} + +static GLboolean +tridentMakeCurrent(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv) +{ + if (driContextPriv) { + GET_CURRENT_CONTEXT(ctx); + tridentContextPtr oldCtx = ctx ? TRIDENT_CONTEXT(ctx) : NULL; + tridentContextPtr newCtx = (tridentContextPtr) driContextPriv->driverPrivate; + + if ( newCtx != oldCtx ) { + newCtx->dirty = ~0; + } + + if (newCtx->driDrawable != driDrawPriv) { + newCtx->driDrawable = driDrawPriv; +#if 0 + tridentUpdateWindow ( newCtx->glCtx ); + tridentUpdateViewportOffset( newCtx->glCtx ); +#endif + } + + newCtx->drawOffset = newCtx->tridentScreen->backOffset; + newCtx->drawPitch = newCtx->tridentScreen->backPitch; + + _mesa_make_current2( newCtx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + if (!newCtx->glCtx->Viewport.Width) { + _mesa_set_viewport(newCtx->glCtx, 0, 0, + driDrawPriv->w, driDrawPriv->h); + } + } else { + _mesa_make_current( 0, 0 ); + } + return GL_TRUE; +} + + +static GLboolean +tridentUnbindContext( __DRIcontextPrivate *driContextPriv ) +{ + return GL_TRUE; +} + +static GLboolean +tridentOpenFullScreen(__DRIcontextPrivate *driContextPriv) +{ + return GL_TRUE; +} + +static GLboolean +tridentCloseFullScreen(__DRIcontextPrivate *driContextPriv) +{ + return GL_TRUE; +} + + +tridentScreenPtr tridentCreateScreen( __DRIscreenPrivate *sPriv ) +{ + TRIDENTDRIPtr tDRIPriv = (TRIDENTDRIPtr)sPriv->pDevPriv; + tridentScreenPtr tridentScreen; + int i; + +#if 0 + /* Check the DRI version */ + { + int major, minor, patch; + if ( XF86DRIQueryVersion( sPriv->display, &major, &minor, &patch ) ) { + if ( major != 3 || minor != 1 || patch < 0 ) { + __driUtilMessage( "r128 DRI driver expected DRI version 3.1.x but got version %d.%d.%d", major, minor, patch ); + return GL_FALSE; + } + } + } + + /* Check that the DDX driver version is compatible */ + if ( sPriv->ddxMajor != 4 || + sPriv->ddxMinor != 0 || + sPriv->ddxPatch < 0 ) { + __driUtilMessage( "r128 DRI driver expected DDX driver version 4.0.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 != 2 || + sPriv->drmMinor != 1 || + sPriv->drmPatch < 0 ) { + __driUtilMessage( "r128 DRI driver expected DRM driver version 2.1.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch ); + return GL_FALSE; + } +#endif + + /* Allocate the private area */ + tridentScreen = (tridentScreenPtr) CALLOC( sizeof(*tridentScreen) ); + if ( !tridentScreen ) return NULL; + + tridentScreen->driScreen = sPriv; + + tridentScreen->frontOffset = tDRIPriv->frontOffset; + tridentScreen->backOffset = tDRIPriv->backOffset; + tridentScreen->depthOffset = tDRIPriv->depthOffset; + tridentScreen->frontPitch = tDRIPriv->frontPitch; + tridentScreen->backPitch = tDRIPriv->backPitch; + tridentScreen->depthPitch = tDRIPriv->depthPitch; + tridentScreen->width = tDRIPriv->width; + tridentScreen->height = tDRIPriv->height; + +printf("%d %d\n",tridentScreen->width,tridentScreen->height); +printf("%d %d\n",tridentScreen->frontPitch,tridentScreen->backPitch); +printf("offset 0x%x 0x%x\n",tridentScreen->backOffset,tridentScreen->depthOffset); + + tridentScreen->mmio.handle = tDRIPriv->regs; + tridentScreen->mmio.size = 0x20000; + + if (drmMap(sPriv->fd, + tridentScreen->mmio.handle, tridentScreen->mmio.size, + (drmAddressPtr)&tridentScreen->mmio.map)) { + FREE(tridentScreen); + return GL_FALSE; + } +printf("MAPPED at 0x%x\n",tridentScreen->mmio.map); + + return tridentScreen; +} + +/* Destroy the device specific screen private data struct. + */ +void tridentDestroyScreen( __DRIscreenPrivate *sPriv ) +{ + tridentScreenPtr tridentScreen = (tridentScreenPtr)sPriv->private; + + FREE(tridentScreen); +} +static GLboolean +tridentInitDriver(__DRIscreenPrivate *sPriv) +{ + sPriv->private = (void *) tridentCreateScreen( sPriv ); + + if (!sPriv->private) { + tridentDestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + +static struct __DriverAPIRec tridentAPI = { + tridentInitDriver, + tridentDestroyScreen, + tridentCreateContext, + tridentDestroyContext, + tridentCreateBuffer, + tridentDestroyBuffer, + tridentSwapBuffers, + tridentMakeCurrent, + tridentUnbindContext, + tridentOpenFullScreen, + tridentCloseFullScreen +}; + +/* + * 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, &tridentAPI); + return (void *) psp; +} + +void __driRegisterExtensions(void) +{ + /* No extensions */ +} -- cgit v1.2.3