From 0fbeff2fa2e831e45e4dc6014c8f1e6abaa44aa1 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 5 Feb 2004 22:45:00 +0000 Subject: Initial mach64 driver import for DRI mach64-0-0-6 branch, this compiles but I doubt it works but it is a better starting point than the branch --- src/mesa/drivers/dri/mach64/mach64_context.c | 327 +++++++++++++++++++++++++++ 1 file changed, 327 insertions(+) create mode 100644 src/mesa/drivers/dri/mach64/mach64_context.c (limited to 'src/mesa/drivers/dri/mach64/mach64_context.c') diff --git a/src/mesa/drivers/dri/mach64/mach64_context.c b/src/mesa/drivers/dri/mach64/mach64_context.c new file mode 100644 index 0000000000..4ebca8774a --- /dev/null +++ b/src/mesa/drivers/dri/mach64/mach64_context.c @@ -0,0 +1,327 @@ +/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ +/* + * Copyright 2000 Gareth Hughes + * 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, 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL + * GARETH HUGHES 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: + * Gareth Hughes + * Leif Delgass + * José Fonseca + */ + +#include "glheader.h" +#include "context.h" +#include "simple_list.h" +#include "imports.h" +#include "matrix.h" +#include "extensions.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 "drivers/common/driverfuncs.h" + +#include "mach64_context.h" +#include "mach64_ioctl.h" +#include "mach64_dd.h" +#include "mach64_span.h" +#include "mach64_state.h" +#include "mach64_tex.h" +#include "mach64_tris.h" +#include "mach64_vb.h" + +#include "utils.h" +#include "vblank.h" + +#ifndef MACH64_DEBUG +int MACH64_DEBUG = (0); +#endif + +static const struct dri_debug_control debug_control[] = +{ + { "sync", DEBUG_ALWAYS_SYNC }, + { "api", DEBUG_VERBOSE_API }, + { "msg", DEBUG_VERBOSE_MSG }, + { "lru", DEBUG_VERBOSE_LRU }, + { "dri", DEBUG_VERBOSE_DRI }, + { "ioctl", DEBUG_VERBOSE_IOCTL }, + { "prims", DEBUG_VERBOSE_PRIMS }, + { "count", DEBUG_VERBOSE_COUNT }, + { "nowait", DEBUG_NOWAIT }, + { NULL, 0 } +}; + +static const char * const card_extensions[] = +{ + "GL_ARB_multitexture", + "GL_EXT_texture_edge_clamp", + "GL_MESA_ycbcr_texture", + "GL_SGIS_generate_mipmap", + "GL_SGIS_texture_edge_clamp", + NULL +}; + + +/* Create the device specific context. + */ +GLboolean mach64CreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ) +{ + GLcontext *ctx, *shareCtx; + __DRIscreenPrivate *driScreen = driContextPriv->driScreenPriv; + struct dd_function_table functions; + mach64ContextPtr mmesa; + mach64ScreenPtr mach64Screen; + int i, heap; + +#if DO_DEBUG + MACH64_DEBUG = driParseDebugString(getenv("MACH64_DEBUG"), debug_control); +#endif + + /* Allocate the mach64 context */ + mmesa = (mach64ContextPtr) CALLOC( sizeof(*mmesa) ); + if ( !mmesa ) + return GL_FALSE; + + /* Init default driver functions then plug in our Mach64-specific functions + * (the texture functions are especially important) + */ + _mesa_init_driver_functions( &functions ); + mach64InitDriverFuncs( &functions ); + mach64InitIoctlFuncs( &functions ); + mach64InitTextureFuncs( &functions ); + + /* Allocate the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((mach64ContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + mmesa->glCtx = _mesa_create_context(glVisual, shareCtx, + &functions, (void *)mmesa); + if (!mmesa->glCtx) { + FREE(mmesa); + return GL_FALSE; + } + driContextPriv->driverPrivate = mmesa; + ctx = mmesa->glCtx; + + mmesa->driContext = driContextPriv; + mmesa->driScreen = driScreen; + mmesa->driDrawable = NULL; + mmesa->hHWContext = driContextPriv->hHWContext; + mmesa->driHwLock = &driScreen->pSAREA->lock; + mmesa->driFd = driScreen->fd; + + mach64Screen = mmesa->mach64Screen = (mach64ScreenPtr)driScreen->private; + + mmesa->sarea = (ATISAREAPrivPtr)((char *)driScreen->pSAREA + + sizeof(XF86DRISAREARec)); + + mmesa->CurrentTexObj[0] = NULL; + mmesa->CurrentTexObj[1] = NULL; + + make_empty_list( &mmesa->SwappedOut ); + + mmesa->firstTexHeap = mach64Screen->firstTexHeap; + mmesa->lastTexHeap = mach64Screen->firstTexHeap + mach64Screen->numTexHeaps; + + for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) { + make_empty_list( &mmesa->TexObjList[i] ); + mmesa->texHeap[i] = mmInit( 0, mach64Screen->texSize[i] ); + mmesa->lastTexAge[i] = -1; + } + + mmesa->RenderIndex = -1; /* Impossible value */ + mmesa->vert_buf = NULL; + mmesa->num_verts = 0; + mmesa->new_state = MACH64_NEW_ALL; + mmesa->dirty = MACH64_UPLOAD_ALL; + + /* Set the maximum texture size small enough that we can + * guarentee that both texture units can bind a maximal texture + * and have them both in memory (on-card or AGP) at once. + * Test for 2 textures * bytes/texel * size * size. There's no + * need to account for mipmaps since we only upload one level. + */ + heap = mach64Screen->IsPCI ? MACH64_CARD_HEAP : MACH64_AGP_HEAP; + + if ( mach64Screen->texSize[heap] >= 2 * mach64Screen->cpp * 1024*1024 ) { + ctx->Const.MaxTextureLevels = 11; /* 1024x1024 */ + } else if ( mach64Screen->texSize[heap] >= 2 * mach64Screen->cpp * 512*512 ) { + ctx->Const.MaxTextureLevels = 10; /* 512x512 */ + } else { + ctx->Const.MaxTextureLevels = 9; /* 256x256 */ + } + + ctx->Const.MaxTextureUnits = 2; + +#if ENABLE_PERF_BOXES + mmesa->boxes = ( getenv( "LIBGL_PERFORMANCE_BOXES" ) != NULL ); +#endif + + /* Allocate the vertex buffer + */ + mmesa->vert_buf = ALIGN_MALLOC(MACH64_BUFFER_SIZE, 32); + if ( !mmesa->vert_buf ) + return GL_FALSE; + mmesa->vert_used = 0; + mmesa->vert_total = MACH64_BUFFER_SIZE; + + /* 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, mach64_pipeline ); */ + + /* Configure swrast to match hardware characteristics: + */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + + driInitExtensions( ctx, card_extensions, GL_TRUE ); + mach64InitVB( ctx ); + mach64InitTriFuncs( ctx ); + mach64DDInitDriverFuncs( ctx ); + mach64DDInitIoctlFuncs( ctx ); + mach64DDInitStateFuncs( ctx ); + mach64DDInitSpanFuncs( ctx ); + mach64DDInitTextureFuncs( ctx ); + mach64DDInitState( mmesa ); + + mmesa->do_irqs = (mmesa->mach64Screen->irq && !getenv("MACH64_NO_IRQS")); + + mmesa->vblank_flags = (mmesa->do_irqs) + ? driGetDefaultVBlankFlags(&mmesa->optionCache) : VBLANK_FLAG_NO_IRQ; + + driContextPriv->driverPrivate = (void *)mmesa; + + return GL_TRUE; +} + +/* Destroy the device specific context. + */ +void mach64DestroyContext( __DRIcontextPrivate *driContextPriv ) +{ + mach64ContextPtr mmesa = (mach64ContextPtr) driContextPriv->driverPrivate; + + assert(mmesa); /* should never be null */ + if ( mmesa ) { + if (mmesa->glCtx->Shared->RefCount == 1) { + /* This share group is about to go away, free our private + * texture object data. + */ + mach64TexObjPtr t, next_t; + int i; + + for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) { + foreach_s ( t, next_t, &mmesa->TexObjList[i] ) { + mach64DestroyTexObj( mmesa, t ); + } + mmDestroy( mmesa->texHeap[i] ); + mmesa->texHeap[i] = NULL; + } + + foreach_s ( t, next_t, &mmesa->SwappedOut ) { + mach64DestroyTexObj( mmesa, t ); + } + } + + _swsetup_DestroyContext( mmesa->glCtx ); + _tnl_DestroyContext( mmesa->glCtx ); + _ac_DestroyContext( mmesa->glCtx ); + _swrast_DestroyContext( mmesa->glCtx ); + + mach64FreeVB( mmesa->glCtx ); + + /* Free the vertex buffer */ + if ( mmesa->vert_buf ) + ALIGN_FREE( mmesa->vert_buf ); + + /* free the Mesa context */ + mmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(mmesa->glCtx); + + FREE( mmesa ); + } +} + +/* Force the context `c' to be the current context and associate with it + * buffer `b'. + */ +GLboolean +mach64MakeCurrent( __DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv ) +{ + if ( driContextPriv ) { + GET_CURRENT_CONTEXT(ctx); + mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL; + mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate; + + if ( newMach64Ctx != oldMach64Ctx ) { + newMach64Ctx->new_state |= MACH64_NEW_CONTEXT; + newMach64Ctx->dirty = MACH64_UPLOAD_ALL; + } + + if ( newMach64Ctx->driDrawable != driDrawPriv ) { + newMach64Ctx->driDrawable = driDrawPriv; + mach64CalcViewport( newMach64Ctx->glCtx ); + } + + _mesa_make_current2( newMach64Ctx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + + newMach64Ctx->new_state |= MACH64_NEW_CLIP; + + if ( !newMach64Ctx->glCtx->Viewport.Width ) { + _mesa_set_viewport(newMach64Ctx->glCtx, 0, 0, + driDrawPriv->w, driDrawPriv->h); + } + } else { + _mesa_make_current( 0, 0 ); + } + + return GL_TRUE; +} + + +/* Force the context `c' to be unbound from its buffer. + */ +GLboolean +mach64UnbindContext( __DRIcontextPrivate *driContextPriv ) +{ + return GL_TRUE; +} -- cgit v1.2.3