diff options
Diffstat (limited to 'src/mesa/drivers/dri/tdfx/tdfx_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_context.c | 1013 |
1 files changed, 0 insertions, 1013 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_context.c b/src/mesa/drivers/dri/tdfx/tdfx_context.c deleted file mode 100644 index ad15135..0000000 --- a/src/mesa/drivers/dri/tdfx/tdfx_context.c +++ /dev/null @@ -1,1013 +0,0 @@ -/* -*- mode: c; c-basic-offset: 3 -*- - * - * Copyright 2000 VA Linux Systems Inc., Fremont, California. - * - * 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 - * VA LINUX SYSTEMS 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. - */ - -/** - * \file tdfx_context.c - * Context management functions for 3Dfx hardware. - * - * \author Gareth Hughes <gareth@valinux.com> (original rewrite 29 Sep - 1 Oct 2000) - * \author Brian Paul <brianp@valinux.com> - * \author Daniel Borca <dborca@users.sourceforge.net> (new fixes 19 Jul 2004) - */ - -#include <dlfcn.h> -#include "tdfx_context.h" -#include "tdfx_dd.h" -#include "tdfx_state.h" -#include "tdfx_vb.h" -#include "tdfx_tex.h" -#include "tdfx_tris.h" -#include "tdfx_render.h" -#include "tdfx_span.h" -#include "tdfx_texman.h" -#include "main/extensions.h" -#include "main/hash.h" -#include "main/texobj.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "vbo/vbo.h" - -#include "tnl/tnl.h" -#include "tnl/t_pipeline.h" - -#include "drivers/common/driverfuncs.h" - -#include "utils.h" - -/* #define need_GL_ARB_point_parameters */ -#define need_GL_ARB_occlusion_query -/* #define need_GL_ARB_vertex_program */ -#define need_GL_EXT_blend_equation_separate -#define need_GL_EXT_blend_func_separate -#define need_GL_EXT_blend_minmax -#define need_GL_EXT_fog_coord -#define need_GL_EXT_paletted_texture -/* #define need_GL_EXT_secondary_color */ -/* #define need_GL_NV_vertex_program */ -#include "main/remap_helper.h" - - -/** - * Common extension strings exported by all cards - */ -static const struct dri_extension card_extensions[] = -{ - { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, - { "GL_ARB_texture_mirrored_repeat", NULL }, - - { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, - { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, - { "GL_EXT_paletted_texture", GL_EXT_paletted_texture_functions }, - { "GL_EXT_shared_texture_palette", NULL }, - { "GL_EXT_stencil_wrap", NULL }, - { "GL_EXT_texture_env_add", NULL }, - { "GL_EXT_texture_lod_bias", NULL }, - -#ifdef need_GL_ARB_point_parameters - { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, - { "GL_ARB_point_sprite", NULL }, -#endif -#ifdef need_GL_EXT_secondary_color - { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, -#endif -#ifdef need_GL_ARB_vertex_program - { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions } -#endif -#ifdef need_GL_NV_vertex_program - { "GL_NV_vertex_program", GL_NV_vertex_program_functions } - { "GL_NV_vertex_program1_1", NULL }, -#endif - { NULL, NULL } -}; - -/** - * Extension strings exported only by Naplam (e.g., Voodoo4 & Voodoo5) cards. - */ -static const struct dri_extension napalm_extensions[] = -{ - { "GL_ARB_texture_env_combine", NULL }, - { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, - { "GL_EXT_blend_subtract", GL_EXT_blend_minmax_functions }, - { "GL_EXT_texture_compression_s3tc", NULL }, - { "GL_EXT_texture_env_combine", NULL }, - - { "GL_3DFX_texture_compression_FXT1", NULL }, - { "GL_NV_blend_square", NULL }, - { "GL_S3_s3tc", NULL }, - { NULL, NULL } -}; - -/* - * Enable/Disable the extensions for this context. - */ -static void tdfxDDInitExtensions( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - driInitExtensions( ctx, card_extensions, GL_FALSE ); - - if ( fxMesa->haveTwoTMUs ) { - _mesa_enable_extension( ctx, "GL_ARB_multitexture" ); - } - - if ( TDFX_IS_NAPALM( fxMesa ) ) { - driInitExtensions( ctx, napalm_extensions, GL_FALSE ); - } -} - - - -static const struct tnl_pipeline_stage *tdfx_pipeline[] = { - &_tnl_vertex_transform_stage, - &_tnl_normal_transform_stage, - &_tnl_lighting_stage, - &_tnl_fog_coordinate_stage, - &_tnl_texgen_stage, - &_tnl_texture_transform_stage, - &_tnl_point_attenuation_stage, - &_tnl_render_stage, - 0, -}; - -static const struct dri_debug_control debug_control[] = -{ - { "dri", DEBUG_VERBOSE_DRI }, - { "sync", DEBUG_ALWAYS_SYNC }, - { "api", DEBUG_VERBOSE_API }, - { "fall", DEBUG_VERBOSE_FALL }, - { NULL, 0 } -}; - -GLboolean tdfxCreateContext( gl_api api, - const struct gl_config *mesaVis, - __DRIcontext *driContextPriv, - void *sharedContextPrivate ) -{ - tdfxContextPtr fxMesa; - struct gl_context *ctx, *shareCtx; - __DRIscreen *sPriv = driContextPriv->driScreenPriv; - tdfxScreenPrivate *fxScreen = (tdfxScreenPrivate *) sPriv->private; - TDFXSAREAPriv *saPriv = (TDFXSAREAPriv *) ((char *) sPriv->pSAREA + - sizeof(drm_sarea_t)); - struct dd_function_table functions; - - /* Allocate tdfx context */ - fxMesa = (tdfxContextPtr) CALLOC( sizeof(tdfxContextRec) ); - if (!fxMesa) - return GL_FALSE; - - /* Init default driver functions then plug in our tdfx-specific functions - * (the texture functions are especially important) - */ - _mesa_init_driver_functions(&functions); - tdfxDDInitDriverFuncs(mesaVis, &functions); - tdfxInitTextureFuncs(&functions); - tdfxInitRenderFuncs(&functions); - - /* Allocate the Mesa context */ - if (sharedContextPrivate) - shareCtx = ((tdfxContextPtr) sharedContextPrivate)->glCtx; - else - shareCtx = NULL; - - fxMesa->glCtx = _mesa_create_context(api, mesaVis, shareCtx, - &functions, (void *) fxMesa); - if (!fxMesa->glCtx) { - FREE(fxMesa); - return GL_FALSE; - } - driContextPriv->driverPrivate = fxMesa; - - /* Mirror some important DRI state - */ - fxMesa->hHWContext = driContextPriv->hHWContext; - fxMesa->driHwLock = &sPriv->pSAREA->lock; - fxMesa->driFd = sPriv->fd; - - fxMesa->driScreen = sPriv; - fxMesa->driContext = driContextPriv; - fxMesa->fxScreen = fxScreen; - fxMesa->sarea = saPriv; - - /*JJJ - really?*/ - fxMesa->haveHwAlpha = ( mesaVis->alphaBits && - ((mesaVis->greenBits == 8) || - (mesaVis->depthBits == 0)) ); - fxMesa->haveHwStencil = ( TDFX_IS_NAPALM( fxMesa ) && - mesaVis->stencilBits && - mesaVis->depthBits == 24 ); - - fxMesa->screen_width = fxScreen->width; - fxMesa->screen_height = fxScreen->height; - - fxMesa->new_gl_state = ~0; - fxMesa->new_state = ~0; - fxMesa->dirty = ~0; - - /* Parse configuration files */ - driParseConfigFiles (&fxMesa->optionCache, &fxScreen->optionCache, - fxMesa->driScreen->myNum, "tdfx"); - - /* NOTE: This must be here before any Glide calls! */ - if (!tdfxInitGlide( fxMesa )) { - FREE(fxMesa); - return GL_FALSE; - } - - fxMesa->Glide.grDRIOpen( (char*) sPriv->pFB, fxScreen->regs.map, fxScreen->deviceID, - fxScreen->width, fxScreen->height, fxScreen->mem, fxScreen->cpp, - fxScreen->stride, fxScreen->fifoOffset, fxScreen->fifoSize, - fxScreen->fbOffset, fxScreen->backOffset, fxScreen->depthOffset, - fxScreen->textureOffset, fxScreen->textureSize, &saPriv->fifoPtr, - &saPriv->fifoRead ); - - if ( getenv( "FX_GLIDE_SWAPINTERVAL" ) ) { - fxMesa->Glide.SwapInterval = atoi( getenv( "FX_GLIDE_SWAPINTERVAL" ) ); - } else { - fxMesa->Glide.SwapInterval = 0; - } - if ( getenv( "FX_MAX_PENDING_SWAPS" ) ) { - fxMesa->Glide.MaxPendingSwaps = atoi( getenv( "FX_MAX_PENDING_SWAPS" ) ); - } else { - fxMesa->Glide.MaxPendingSwaps = 2; - } - - fxMesa->Glide.Initialized = GL_FALSE; - fxMesa->Glide.Board = 0; - - - if (getenv("FX_EMULATE_SINGLE_TMU")) { - fxMesa->haveTwoTMUs = GL_FALSE; - } - else { - if ( TDFX_IS_BANSHEE( fxMesa ) ) { - fxMesa->haveTwoTMUs = GL_FALSE; - } else { - fxMesa->haveTwoTMUs = GL_TRUE; - } - } - - fxMesa->stats.swapBuffer = 0; - fxMesa->stats.reqTexUpload = 0; - fxMesa->stats.texUpload = 0; - fxMesa->stats.memTexUpload = 0; - - fxMesa->tmuSrc = TDFX_TMU_NONE; - - ctx = fxMesa->glCtx; - if ( TDFX_IS_NAPALM( fxMesa ) ) { - ctx->Const.MaxTextureLevels = 12; - } else { - ctx->Const.MaxTextureLevels = 9; - } - ctx->Const.MaxTextureUnits = TDFX_IS_BANSHEE( fxMesa ) ? 1 : 2; - ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; - ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; - - /* No wide points. - */ - ctx->Const.MinPointSize = 1.0; - ctx->Const.MinPointSizeAA = 1.0; - ctx->Const.MaxPointSize = 1.0; - ctx->Const.MaxPointSizeAA = 1.0; - - /* Disable wide lines as we can't antialias them correctly in - * hardware. - */ - ctx->Const.MinLineWidth = 1.0; - ctx->Const.MinLineWidthAA = 1.0; - ctx->Const.MaxLineWidth = 1.0; - ctx->Const.MaxLineWidthAA = 1.0; - ctx->Const.LineWidthGranularity = 1.0; - - ctx->Const.MaxDrawBuffers = 1; - - /* Initialize the software rasterizer and helper modules. - */ - _swrast_CreateContext( ctx ); - _vbo_CreateContext( ctx ); - _tnl_CreateContext( ctx ); - _swsetup_CreateContext( ctx ); - - /* Install the customized pipeline: - */ - _tnl_destroy_pipeline( ctx ); - _tnl_install_pipeline( ctx, tdfx_pipeline ); - - /* Configure swrast and T&L to match hardware characteristics: - */ - _swrast_allow_pixel_fog( ctx, GL_TRUE ); - _swrast_allow_vertex_fog( ctx, GL_FALSE ); - _tnl_allow_pixel_fog( ctx, GL_TRUE ); - _tnl_allow_vertex_fog( ctx, GL_FALSE ); - - tdfxDDInitExtensions( ctx ); - /* XXX these should really go right after _mesa_init_driver_functions() */ - tdfxDDInitSpanFuncs( ctx ); - tdfxDDInitStateFuncs( ctx ); - tdfxDDInitTriFuncs( ctx ); - tdfxInitVB( ctx ); - tdfxInitState( fxMesa ); - -#if DO_DEBUG - TDFX_DEBUG = driParseDebugString( getenv( "TDFX_DEBUG" ), debug_control ); -#endif - - if (driQueryOptionb(&fxMesa->optionCache, "no_rast")) { - fprintf(stderr, "disabling 3D acceleration\n"); - FALLBACK(fxMesa, TDFX_FALLBACK_DISABLE, 1); - } - - return GL_TRUE; -} - - -static GLboolean tdfxInitVertexFormats( tdfxContextPtr fxMesa ) -{ - FxI32 result; - int i; - - LOCK_HARDWARE( fxMesa ); - - fxMesa->Glide.grGet( GR_GLIDE_VERTEXLAYOUT_SIZE, sizeof(FxI32), &result ); - for ( i = 0 ; i < TDFX_NUM_LAYOUTS ; i++ ) { - fxMesa->layout[i] = MALLOC( result ); - if ( !fxMesa->layout[i] ) { - UNLOCK_HARDWARE( fxMesa ); - return GL_FALSE; - } - } - - /* Tiny vertex format - 16 bytes. - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_TINY] ); - - /* Non textured vertex format - 24 bytes (Need w for table fog) - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q, TDFX_Q_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_NOTEX] ); - - /* Single textured vertex format - 32 bytes. - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q, TDFX_Q_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST0, TDFX_ST0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_SINGLE] ); - - /* Multitextured vertex format - 40 bytes. - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q, TDFX_Q_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST0, TDFX_ST0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST1, TDFX_ST1_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_MULTI] ); - - /* Projected texture vertex format - 36 bytes. - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q, TDFX_Q_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST0, TDFX_ST0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q0, TDFX_Q0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_PROJ1] ); - - /* Projected multitexture vertex format - 48 bytes. - */ - fxMesa->Glide.grReset( GR_VERTEX_PARAMETER ); - fxMesa->Glide.grCoordinateSpace( GR_WINDOW_COORDS ); - fxMesa->Glide.grVertexLayout( GR_PARAM_XY, TDFX_XY_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Z, TDFX_Z_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q, TDFX_Q_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_PARGB, TDFX_ARGB_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST0, TDFX_ST0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q0, TDFX_Q0_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_ST1, TDFX_ST1_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grVertexLayout( GR_PARAM_Q1, TDFX_Q1_OFFSET, GR_PARAM_ENABLE ); - fxMesa->Glide.grGlideGetVertexLayout( fxMesa->layout[TDFX_LAYOUT_PROJ2] ); - - UNLOCK_HARDWARE( fxMesa ); - - return GL_TRUE; -} - - -/* - * Initialize the state in an tdfxContextPtr struct. - */ -static GLboolean -tdfxInitContext( __DRIdrawable *driDrawPriv, tdfxContextPtr fxMesa ) -{ - /* KW: Would be nice to make one of these a member of the other. - */ - FxI32 result[2]; - const char *gext; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { - fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)fxMesa ); - } - -#if DEBUG_LOCKING - fprintf(stderr, "Debug locking enabled\n"); -#endif - - if ( fxMesa->Glide.Initialized ) - return GL_TRUE; - - fxMesa->width = driDrawPriv->w; - fxMesa->height = driDrawPriv->h; - - /* We have to use a light lock here, because we can't do any glide - * operations yet. No use of FX_* functions in this function. - */ - DRM_LIGHT_LOCK( fxMesa->driFd, fxMesa->driHwLock, fxMesa->hHWContext ); - - fxMesa->Glide.grGlideInit(); - fxMesa->Glide.grSstSelect( fxMesa->Glide.Board ); - - fxMesa->Glide.Context = fxMesa->Glide.grSstWinOpen( (FxU32) -1, - GR_RESOLUTION_NONE, - GR_REFRESH_NONE, - fxMesa->Glide.ColorFormat, - fxMesa->Glide.Origin, - 2, 1 ); - - fxMesa->Glide.grDRIResetSAREA(); - - DRM_UNLOCK( fxMesa->driFd, fxMesa->driHwLock, fxMesa->hHWContext ); - - if ( !fxMesa->Glide.Context ) - return GL_FALSE; - - - /* Perform the Glide-dependant part of the context initialization. - */ - FX_grColorMaskv( fxMesa->glCtx, true4 ); - - tdfxTMInit( fxMesa ); - - LOCK_HARDWARE( fxMesa ); - - /* JJJ - COMMAND_TRANSPORT, PALETTE6666 */ - gext = fxMesa->Glide.grGetString( GR_EXTENSION ); - fxMesa->Glide.HaveCombineExt = strstr(gext, "COMBINE") && !getenv("MESA_FX_IGNORE_CMBEXT"); - fxMesa->Glide.HaveCommandTransportExt = GL_FALSE; - fxMesa->Glide.HaveFogCoordExt = GL_TRUE; - fxMesa->Glide.HavePixelExt = strstr(gext, "PIXEXT") && !getenv("MESA_FX_IGNORE_PIXEXT"); - fxMesa->Glide.HaveTextureBufferExt = GL_TRUE; - fxMesa->Glide.HaveTexFmtExt = strstr(gext, "TEXFMT") && !getenv("MESA_FX_IGNORE_TEXFMT"); - fxMesa->Glide.HaveTexUMAExt = strstr(gext, "TEXUMA") && !getenv("MESA_FX_IGNORE_TEXUMA"); - fxMesa->Glide.HaveMirrorExt = strstr(gext, "TEXMIRROR") && !getenv("MESA_FX_IGNORE_MIREXT"); - fxMesa->Glide.HaveTexus2 = GL_FALSE; - - if ( fxMesa->glCtx->Visual.depthBits > 0 ) { - fxMesa->Glide.grDepthBufferMode(GR_DEPTHBUFFER_ZBUFFER); - } else { - fxMesa->Glide.grDepthBufferMode(GR_DEPTHBUFFER_DISABLE); - } - - fxMesa->Glide.grLfbWriteColorFormat( GR_COLORFORMAT_ABGR ); - - fxMesa->Glide.grGet( GR_TEXTURE_ALIGN, sizeof(FxI32), result ); - fxMesa->Glide.TextureAlign = result[0]; - - fxMesa->Glide.State = NULL; - fxMesa->Glide.grGet( GR_GLIDE_STATE_SIZE, sizeof(FxI32), result ); - fxMesa->Glide.State = MALLOC( result[0] ); - - fxMesa->Fog.Table = NULL; - fxMesa->Glide.grGet( GR_FOG_TABLE_ENTRIES, sizeof(FxI32), result ); - fxMesa->Fog.Table = MALLOC( result[0] * sizeof(GrFog_t) ); - - UNLOCK_HARDWARE( fxMesa ); - - if ( !fxMesa->Glide.State || !fxMesa->Fog.Table ) { - if ( fxMesa->Glide.State ) - FREE( fxMesa->Glide.State ); - if ( fxMesa->Fog.Table ) - FREE( fxMesa->Fog.Table ); - return GL_FALSE; - } - - if ( !tdfxInitVertexFormats( fxMesa ) ) { - return GL_FALSE; - } - - LOCK_HARDWARE( fxMesa ); - - fxMesa->Glide.grGlideGetState( fxMesa->Glide.State ); - - if ( getenv( "FX_GLIDE_INFO" ) ) { - printf( "GR_RENDERER = %s\n", (char *) fxMesa->Glide.grGetString( GR_RENDERER ) ); - printf( "GR_VERSION = %s\n", (char *) fxMesa->Glide.grGetString( GR_VERSION ) ); - printf( "GR_VENDOR = %s\n", (char *) fxMesa->Glide.grGetString( GR_VENDOR ) ); - printf( "GR_HARDWARE = %s\n", (char *) fxMesa->Glide.grGetString( GR_HARDWARE ) ); - printf( "GR_EXTENSION = %s\n", (char *) gext ); - } - - UNLOCK_HARDWARE( fxMesa ); - - fxMesa->numClipRects = 0; - fxMesa->pClipRects = NULL; - fxMesa->scissoredClipRects = GL_FALSE; - - fxMesa->Glide.Initialized = GL_TRUE; - - return GL_TRUE; -} - - -void -tdfxDestroyContext( __DRIcontext *driContextPriv ) -{ - tdfxContextPtr fxMesa = (tdfxContextPtr) driContextPriv->driverPrivate; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { - fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)fxMesa ); - } - - if ( fxMesa ) { - if (fxMesa->glCtx->Shared->RefCount == 1 && fxMesa->driDrawable) { - /* This share group is about to go away, free our private - * texture object data. - */ - struct _mesa_HashTable *textures = fxMesa->glCtx->Shared->TexObjects; - GLuint id; - for (id = _mesa_HashFirstEntry(textures); - id; - id = _mesa_HashNextEntry(textures, id)) { - struct gl_texture_object *tObj - = _mesa_lookup_texture(fxMesa->glCtx, id); - tdfxTMFreeTexture(fxMesa, tObj); - } - } - - tdfxTMClose(fxMesa); /* free texture memory */ - - _swsetup_DestroyContext( fxMesa->glCtx ); - _tnl_DestroyContext( fxMesa->glCtx ); - _vbo_DestroyContext( fxMesa->glCtx ); - _swrast_DestroyContext( fxMesa->glCtx ); - - tdfxFreeVB( fxMesa->glCtx ); - - /* Free Mesa context */ - fxMesa->glCtx->DriverCtx = NULL; - _mesa_destroy_context(fxMesa->glCtx); - - /* free the tdfx context */ - FREE( fxMesa ); - } -} - - -GLboolean -tdfxUnbindContext( __DRIcontext *driContextPriv ) -{ - GET_CURRENT_CONTEXT(ctx); - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { - fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)driContextPriv ); - } - - if ( driContextPriv && (tdfxContextPtr) driContextPriv == fxMesa ) { - LOCK_HARDWARE(fxMesa); - fxMesa->Glide.grGlideGetState(fxMesa->Glide.State); - UNLOCK_HARDWARE(fxMesa); - } - return GL_TRUE; -} - - -GLboolean -tdfxMakeCurrent( __DRIcontext *driContextPriv, - __DRIdrawable *driDrawPriv, - __DRIdrawable *driReadPriv ) -{ - if ( TDFX_DEBUG & DEBUG_VERBOSE_DRI ) { - fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *)driContextPriv ); - } - - if ( driContextPriv ) { - tdfxContextPtr newFx = (tdfxContextPtr) driContextPriv->driverPrivate; - struct gl_context *newCtx = newFx->glCtx; - GET_CURRENT_CONTEXT(curCtx); - - if ((newFx->driDrawable != driDrawPriv) - || (newFx->driReadable != driReadPriv)) { - newFx->driDrawable = driDrawPriv; - newFx->driReadable = driReadPriv; - newFx->dirty = ~0; - } - else { - if (curCtx == newCtx) { - /* same drawable, same context -> no-op */ - /* Need to call _mesa_make_current2() in order to make sure API - * dispatch is set correctly. - */ - _mesa_make_current( newCtx, - (struct gl_framebuffer *) driDrawPriv->driverPrivate, - (struct gl_framebuffer *) driReadPriv->driverPrivate ); - return GL_TRUE; - } - /* [dBorca] tunnel2 requires this */ - newFx->dirty = ~0; - } - - driUpdateFramebufferSize(newCtx, driDrawPriv); - if (driDrawPriv != driReadPriv) { - driUpdateFramebufferSize(newCtx, driReadPriv); - } - - if ( !newFx->Glide.Initialized ) { - if ( !tdfxInitContext( driDrawPriv, newFx ) ) - return GL_FALSE; - - LOCK_HARDWARE( newFx ); - - /* FIXME: Force loading of window information */ - newFx->width = 0; - tdfxUpdateClipping(newCtx); - tdfxUploadClipping(newFx); - - UNLOCK_HARDWARE( newFx ); - } else { - LOCK_HARDWARE( newFx ); - - newFx->Glide.grSstSelect( newFx->Glide.Board ); - newFx->Glide.grGlideSetState( newFx->Glide.State ); - - tdfxUpdateClipping(newCtx); - tdfxUploadClipping(newFx); - - UNLOCK_HARDWARE( newFx ); - } - - _mesa_make_current( newCtx, - (struct gl_framebuffer *) driDrawPriv->driverPrivate, - (struct gl_framebuffer *) driReadPriv->driverPrivate ); - } else { - _mesa_make_current( NULL, NULL, NULL ); - } - - return GL_TRUE; -} - - -/* - * Enable this to trace calls to various Glide functions. - */ -/*#define DEBUG_TRAP*/ -#ifdef DEBUG_TRAP -static void (*real_grDrawTriangle)( const void *a, const void *b, const void *c ); -static void (*real_grDrawPoint)( const void *a ); -static void (*real_grDrawVertexArray)(FxU32 mode, FxU32 Count, void *pointers); -static void (*real_grDrawVertexArrayContiguous)(FxU32 mode, FxU32 Count, - void *pointers, FxU32 stride); -static void (*real_grClipWindow)( FxU32 minx, FxU32 miny, FxU32 maxx, FxU32 maxy ); - -static void (*real_grVertexLayout)(FxU32 param, FxI32 offset, FxU32 mode); -static void (*real_grGlideGetVertexLayout)( void *layout ); -static void (*real_grGlideSetVertexLayout)( const void *layout ); - -static void (*real_grTexDownloadMipMapLevel)( GrChipID_t tmu, - FxU32 startAddress, - GrLOD_t thisLod, - GrLOD_t largeLod, - GrAspectRatio_t aspectRatio, - GrTextureFormat_t format, - FxU32 evenOdd, - void *data ); - - -static void debug_grDrawTriangle( const void *a, const void *b, const void *c ) -{ - printf("%s\n", __FUNCTION__); - (*real_grDrawTriangle)(a, b, c); -} - -static void debug_grDrawPoint( const void *a ) -{ - const float *f = (const float *) a; - printf("%s %g %g\n", __FUNCTION__, f[0], f[1]); - (*real_grDrawPoint)(a); -} - -static void debug_grDrawVertexArray(FxU32 mode, FxU32 Count, void *pointers) -{ - printf("%s count=%d\n", __FUNCTION__, (int) Count); - (*real_grDrawVertexArray)(mode, Count, pointers); -} - -static void debug_grDrawVertexArrayContiguous(FxU32 mode, FxU32 Count, - void *pointers, FxU32 stride) -{ - printf("%s mode=0x%x count=%d\n", __FUNCTION__, (int) mode, (int) Count); - (*real_grDrawVertexArrayContiguous)(mode, Count, pointers, stride); -} - -static void debug_grClipWindow( FxU32 minx, FxU32 miny, FxU32 maxx, FxU32 maxy ) -{ - printf("%s %d,%d .. %d,%d\n", __FUNCTION__, - (int) minx, (int) miny, (int) maxx, (int) maxy); - (*real_grClipWindow)(minx, miny, maxx, maxy); -} - -static void debug_grVertexLayout(FxU32 param, FxI32 offset, FxU32 mode) -{ - (*real_grVertexLayout)(param, offset, mode); -} - -static void debug_grGlideGetVertexLayout( void *layout ) -{ - (*real_grGlideGetVertexLayout)(layout); -} - -static void debug_grGlideSetVertexLayout( const void *layout ) -{ - (*real_grGlideSetVertexLayout)(layout); -} - -static void debug_grTexDownloadMipMapLevel( GrChipID_t tmu, - FxU32 startAddress, - GrLOD_t thisLod, - GrLOD_t largeLod, - GrAspectRatio_t aspectRatio, - GrTextureFormat_t format, - FxU32 evenOdd, - void *data ) -{ - (*real_grTexDownloadMipMapLevel)(tmu, startAddress, thisLod, largeLod, - aspectRatio, format, evenOdd, data); -} - -#endif - - -/* - * Examine the context's deviceID to determine what kind of 3dfx hardware - * is installed. dlopen() the appropriate Glide library and initialize - * this context's Glide function pointers. - * Return: true/false = success/failure - */ -GLboolean tdfxInitGlide(tdfxContextPtr tmesa) -{ - static const char *defaultGlide = "libglide3.so"; - const char *libName; - void *libHandle; - - /* - * XXX this code which selects a Glide library filename given the - * deviceID may need to be cleaned up a bit. - * Non-Linux systems may have different filenames, for example. - */ - switch (tmesa->fxScreen->deviceID) { - case PCI_CHIP_BANSHEE: - case PCI_CHIP_VOODOO3: - libName = "libglide3-v3.so"; - break; - case PCI_CHIP_VOODOO5: /* same as PCI_CHIP_VOODOO4 */ - libName = "libglide3-v5.so"; - break; - default: - { - __driUtilMessage("unrecognized 3dfx deviceID: 0x%x", - tmesa->fxScreen->deviceID); - } - return GL_FALSE; - } - - libHandle = dlopen(libName, RTLD_NOW); - if (!libHandle) { - /* The device-specific Glide library filename didn't work, try the - * old, generic libglide3.so library. - */ - libHandle = dlopen(defaultGlide, RTLD_NOW); - if (!libHandle) { - __driUtilMessage( - "can't find Glide library, dlopen(%s) and dlopen(%s) both failed.", - libName, defaultGlide); - __driUtilMessage("dlerror() message: %s", dlerror()); - return GL_FALSE; - } - libName = defaultGlide; - } - - { - const char *env = getenv("LIBGL_DEBUG"); - if (env && strstr(env, "verbose")) { - fprintf(stderr, "libGL: using Glide library %s\n", libName); - } - } - -#define GET_FUNCTION(PTR, NAME) \ - tmesa->Glide.PTR = dlsym(libHandle, NAME); \ - if (!tmesa->Glide.PTR) { \ - __driUtilMessage("couldn't find Glide function %s in %s.", \ - NAME, libName); \ - } - - GET_FUNCTION(grDrawPoint, "grDrawPoint"); - GET_FUNCTION(grDrawLine, "grDrawLine"); - GET_FUNCTION(grDrawTriangle, "grDrawTriangle"); - GET_FUNCTION(grVertexLayout, "grVertexLayout"); - GET_FUNCTION(grDrawVertexArray, "grDrawVertexArray"); - GET_FUNCTION(grDrawVertexArrayContiguous, "grDrawVertexArrayContiguous"); - GET_FUNCTION(grBufferClear, "grBufferClear"); - /*GET_FUNCTION(grBufferSwap, "grBufferSwap");*/ - GET_FUNCTION(grRenderBuffer, "grRenderBuffer"); - GET_FUNCTION(grErrorSetCallback, "grErrorSetCallback"); - GET_FUNCTION(grFinish, "grFinish"); - GET_FUNCTION(grFlush, "grFlush"); - GET_FUNCTION(grSstWinOpen, "grSstWinOpen"); - GET_FUNCTION(grSstWinClose, "grSstWinClose"); -#if 0 - /* Not in V3 lib, and not used anyway. */ - GET_FUNCTION(grSetNumPendingBuffers, "grSetNumPendingBuffers"); -#endif - GET_FUNCTION(grSelectContext, "grSelectContext"); - GET_FUNCTION(grSstOrigin, "grSstOrigin"); - GET_FUNCTION(grSstSelect, "grSstSelect"); - GET_FUNCTION(grAlphaBlendFunction, "grAlphaBlendFunction"); - GET_FUNCTION(grAlphaCombine, "grAlphaCombine"); - GET_FUNCTION(grAlphaControlsITRGBLighting, "grAlphaControlsITRGBLighting"); - GET_FUNCTION(grAlphaTestFunction, "grAlphaTestFunction"); - GET_FUNCTION(grAlphaTestReferenceValue, "grAlphaTestReferenceValue"); - GET_FUNCTION(grChromakeyMode, "grChromakeyMode"); - GET_FUNCTION(grChromakeyValue, "grChromakeyValue"); - GET_FUNCTION(grClipWindow, "grClipWindow"); - GET_FUNCTION(grColorCombine, "grColorCombine"); - GET_FUNCTION(grColorMask, "grColorMask"); - GET_FUNCTION(grCullMode, "grCullMode"); - GET_FUNCTION(grConstantColorValue, "grConstantColorValue"); - GET_FUNCTION(grDepthBiasLevel, "grDepthBiasLevel"); - GET_FUNCTION(grDepthBufferFunction, "grDepthBufferFunction"); - GET_FUNCTION(grDepthBufferMode, "grDepthBufferMode"); - GET_FUNCTION(grDepthMask, "grDepthMask"); - GET_FUNCTION(grDisableAllEffects, "grDisableAllEffects"); - GET_FUNCTION(grDitherMode, "grDitherMode"); - GET_FUNCTION(grFogColorValue, "grFogColorValue"); - GET_FUNCTION(grFogMode, "grFogMode"); - GET_FUNCTION(grFogTable, "grFogTable"); - GET_FUNCTION(grLoadGammaTable, "grLoadGammaTable"); - GET_FUNCTION(grSplash, "grSplash"); - GET_FUNCTION(grGet, "grGet"); - GET_FUNCTION(grGetString, "grGetString"); - GET_FUNCTION(grQueryResolutions, "grQueryResolutions"); - GET_FUNCTION(grReset, "grReset"); - GET_FUNCTION(grGetProcAddress, "grGetProcAddress"); - GET_FUNCTION(grEnable, "grEnable"); - GET_FUNCTION(grDisable, "grDisable"); - GET_FUNCTION(grCoordinateSpace, "grCoordinateSpace"); - GET_FUNCTION(grDepthRange, "grDepthRange"); - GET_FUNCTION(grStippleMode, "grStippleMode"); - GET_FUNCTION(grStipplePattern, "grStipplePattern"); - GET_FUNCTION(grViewport, "grViewport"); - GET_FUNCTION(grTexCalcMemRequired, "grTexCalcMemRequired"); - GET_FUNCTION(grTexTextureMemRequired, "grTexTextureMemRequired"); - GET_FUNCTION(grTexMinAddress, "grTexMinAddress"); - GET_FUNCTION(grTexMaxAddress, "grTexMaxAddress"); - GET_FUNCTION(grTexNCCTable, "grTexNCCTable"); - GET_FUNCTION(grTexSource, "grTexSource"); - GET_FUNCTION(grTexClampMode, "grTexClampMode"); - GET_FUNCTION(grTexCombine, "grTexCombine"); - GET_FUNCTION(grTexDetailControl, "grTexDetailControl"); - GET_FUNCTION(grTexFilterMode, "grTexFilterMode"); - GET_FUNCTION(grTexLodBiasValue, "grTexLodBiasValue"); - GET_FUNCTION(grTexDownloadMipMap, "grTexDownloadMipMap"); - GET_FUNCTION(grTexDownloadMipMapLevel, "grTexDownloadMipMapLevel"); - GET_FUNCTION(grTexDownloadMipMapLevelPartial, "grTexDownloadMipMapLevelPartial"); - GET_FUNCTION(grTexDownloadTable, "grTexDownloadTable"); - GET_FUNCTION(grTexDownloadTablePartial, "grTexDownloadTablePartial"); - GET_FUNCTION(grTexMipMapMode, "grTexMipMapMode"); - GET_FUNCTION(grTexMultibase, "grTexMultibase"); - GET_FUNCTION(grTexMultibaseAddress, "grTexMultibaseAddress"); - GET_FUNCTION(grLfbLock, "grLfbLock"); - GET_FUNCTION(grLfbUnlock, "grLfbUnlock"); - GET_FUNCTION(grLfbConstantAlpha, "grLfbConstantAlpha"); - GET_FUNCTION(grLfbConstantDepth, "grLfbConstantDepth"); - GET_FUNCTION(grLfbWriteColorSwizzle, "grLfbWriteColorSwizzle"); - GET_FUNCTION(grLfbWriteColorFormat, "grLfbWriteColorFormat"); - GET_FUNCTION(grLfbWriteRegion, "grLfbWriteRegion"); - GET_FUNCTION(grLfbReadRegion, "grLfbReadRegion"); - GET_FUNCTION(grGlideInit, "grGlideInit"); - GET_FUNCTION(grGlideShutdown, "grGlideShutdown"); - GET_FUNCTION(grGlideGetState, "grGlideGetState"); - GET_FUNCTION(grGlideSetState, "grGlideSetState"); - GET_FUNCTION(grGlideGetVertexLayout, "grGlideGetVertexLayout"); - GET_FUNCTION(grGlideSetVertexLayout, "grGlideSetVertexLayout"); - - /* Glide utility functions */ - GET_FUNCTION(guFogGenerateExp, "guFogGenerateExp"); - GET_FUNCTION(guFogGenerateExp2, "guFogGenerateExp2"); - GET_FUNCTION(guFogGenerateLinear, "guFogGenerateLinear"); - - /* DRI functions */ - GET_FUNCTION(grDRIOpen, "grDRIOpen"); - GET_FUNCTION(grDRIPosition, "grDRIPosition"); - /*GET_FUNCTION(grDRILostContext, "grDRILostContext");*/ - GET_FUNCTION(grDRIImportFifo, "grDRIImportFifo"); - GET_FUNCTION(grDRIInvalidateAll, "grDRIInvalidateAll"); - GET_FUNCTION(grDRIResetSAREA, "grDRIResetSAREA"); - GET_FUNCTION(grDRIBufferSwap, "grDRIBufferSwap"); - - /* - * Extension functions: - * Just use dlysm() because we want a NULL pointer if the function is - * not found. - */ - /* PIXEXT extension */ - tmesa->Glide.grStencilFunc = dlsym(libHandle, "grStencilFunc"); - tmesa->Glide.grStencilMask = dlsym(libHandle, "grStencilMask"); - tmesa->Glide.grStencilOp = dlsym(libHandle, "grStencilOp"); - tmesa->Glide.grBufferClearExt = dlsym(libHandle, "grBufferClearExt"); - tmesa->Glide.grColorMaskExt = dlsym(libHandle, "grColorMaskExt"); - /* COMBINE extension */ - tmesa->Glide.grColorCombineExt = dlsym(libHandle, "grColorCombineExt"); - tmesa->Glide.grTexColorCombineExt = dlsym(libHandle, "grTexColorCombineExt"); - tmesa->Glide.grAlphaCombineExt = dlsym(libHandle, "grAlphaCombineExt"); - tmesa->Glide.grTexAlphaCombineExt = dlsym(libHandle, "grTexAlphaCombineExt"); - tmesa->Glide.grAlphaBlendFunctionExt = dlsym(libHandle, "grAlphaBlendFunctionExt"); - tmesa->Glide.grConstantColorValueExt = dlsym(libHandle, "grConstantColorValueExt"); - /* Texus 2 */ - tmesa->Glide.txImgQuantize = dlsym(libHandle, "txImgQuantize"); - tmesa->Glide.txImgDequantizeFXT1 = dlsym(libHandle, "_txImgDequantizeFXT1"); - tmesa->Glide.txErrorSetCallback = dlsym(libHandle, "txErrorSetCallback"); - -#ifdef DEBUG_TRAP - /* wrap the drawing functions so we can trap them */ - real_grDrawTriangle = tmesa->Glide.grDrawTriangle; - tmesa->Glide.grDrawTriangle = debug_grDrawTriangle; - - real_grDrawPoint = tmesa->Glide.grDrawPoint; - tmesa->Glide.grDrawPoint = debug_grDrawPoint; - - real_grDrawVertexArray = tmesa->Glide.grDrawVertexArray; - tmesa->Glide.grDrawVertexArray = debug_grDrawVertexArray; - - real_grDrawVertexArrayContiguous = tmesa->Glide.grDrawVertexArrayContiguous; - tmesa->Glide.grDrawVertexArrayContiguous = debug_grDrawVertexArrayContiguous; - - real_grClipWindow = tmesa->Glide.grClipWindow; - tmesa->Glide.grClipWindow = debug_grClipWindow; - - real_grVertexLayout = tmesa->Glide.grVertexLayout; - tmesa->Glide.grVertexLayout = debug_grVertexLayout; - - real_grGlideGetVertexLayout = tmesa->Glide.grGlideGetVertexLayout; - tmesa->Glide.grGlideGetVertexLayout = debug_grGlideGetVertexLayout; - - real_grGlideSetVertexLayout = tmesa->Glide.grGlideSetVertexLayout; - tmesa->Glide.grGlideSetVertexLayout = debug_grGlideSetVertexLayout; - - real_grTexDownloadMipMapLevel = tmesa->Glide.grTexDownloadMipMapLevel; - tmesa->Glide.grTexDownloadMipMapLevel = debug_grTexDownloadMipMapLevel; - -#endif - return GL_TRUE; -} |