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Diffstat (limited to 'src/r128_context.c')
| -rw-r--r-- | src/r128_context.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/src/r128_context.c b/src/r128_context.c new file mode 100644 index 0000000..95e54a6 --- /dev/null +++ b/src/r128_context.c @@ -0,0 +1,373 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_context.c,v 1.8 2002/10/30 12:51:38 alanh Exp $ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and 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 +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 +ATI, PRECISION INSIGHT AND/OR THEIR 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: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + */ + +#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 "vbo/vbo.h" + +#include "tnl/tnl.h" +#include "tnl/t_pipeline.h" + +#include "drivers/common/driverfuncs.h" + +#include "r128_context.h" +#include "r128_ioctl.h" +#include "r128_dd.h" +#include "r128_state.h" +#include "r128_span.h" +#include "r128_tex.h" +#include "r128_tris.h" + +#include "vblank.h" +#include "utils.h" +#include "texmem.h" +#include "xmlpool.h" /* for symbolic values of enum-type options */ + +#ifndef R128_DEBUG +int R128_DEBUG = 0; +#endif + +#define need_GL_ARB_multisample +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_fog_coord +#define need_GL_EXT_secondary_color +#include "extension_helper.h" + +const struct dri_extension card_extensions[] = +{ + { "GL_ARB_multisample", GL_ARB_multisample_functions }, + { "GL_ARB_multitexture", NULL }, + { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, + { "GL_ARB_texture_env_add", NULL }, + { "GL_ARB_texture_mirrored_repeat", NULL }, + { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, + { "GL_EXT_blend_subtract", GL_EXT_blend_minmax_functions }, + { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, + { "GL_EXT_texture_edge_clamp", NULL }, + { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, + { "GL_EXT_stencil_wrap", NULL }, + { "GL_MESA_ycbcr_texture", NULL }, + { "GL_NV_blend_square", NULL }, + { "GL_SGIS_generate_mipmap", NULL }, + { NULL, NULL } +}; + +static const struct dri_debug_control debug_control[] = +{ + { "ioctl", DEBUG_VERBOSE_IOCTL }, + { "verb", DEBUG_VERBOSE_MSG }, + { "dri", DEBUG_VERBOSE_DRI }, + { "2d", DEBUG_VERBOSE_2D }, + { "sync", DEBUG_ALWAYS_SYNC }, + { "api", DEBUG_VERBOSE_API }, + { "fall", DEBUG_VERBOSE_FALL }, + { NULL, 0 } +}; + +/* Create the device specific context. + */ +GLboolean r128CreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ) +{ + GLcontext *ctx, *shareCtx; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + struct dd_function_table functions; + r128ContextPtr rmesa; + r128ScreenPtr r128scrn; + int i; + + /* Allocate the r128 context */ + rmesa = (r128ContextPtr) CALLOC( sizeof(*rmesa) ); + if ( !rmesa ) + return GL_FALSE; + + /* Init default driver functions then plug in our Radeon-specific functions + * (the texture functions are especially important) + */ + _mesa_init_driver_functions( &functions ); + r128InitDriverFuncs( &functions ); + r128InitIoctlFuncs( &functions ); + r128InitTextureFuncs( &functions ); + + /* Allocate the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((r128ContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + rmesa->glCtx = _mesa_create_context(glVisual, shareCtx, + &functions, (void *) rmesa); + if (!rmesa->glCtx) { + FREE(rmesa); + return GL_FALSE; + } + driContextPriv->driverPrivate = rmesa; + ctx = rmesa->glCtx; + + rmesa->driContext = driContextPriv; + rmesa->driScreen = sPriv; + rmesa->driDrawable = NULL; + rmesa->hHWContext = driContextPriv->hHWContext; + rmesa->driHwLock = &sPriv->pSAREA->lock; + rmesa->driFd = sPriv->fd; + + r128scrn = rmesa->r128Screen = (r128ScreenPtr)(sPriv->private); + + /* Parse configuration files */ + driParseConfigFiles (&rmesa->optionCache, &r128scrn->optionCache, + r128scrn->driScreen->myNum, "r128"); + + rmesa->sarea = (drm_r128_sarea_t *)((char *)sPriv->pSAREA + + r128scrn->sarea_priv_offset); + + rmesa->CurrentTexObj[0] = NULL; + rmesa->CurrentTexObj[1] = NULL; + + (void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) ); + make_empty_list( & rmesa->swapped ); + + rmesa->nr_heaps = r128scrn->numTexHeaps; + for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) { + rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa, + r128scrn->texSize[i], + 12, + R128_NR_TEX_REGIONS, + (drmTextureRegionPtr)rmesa->sarea->tex_list[i], + &rmesa->sarea->tex_age[i], + &rmesa->swapped, + sizeof( r128TexObj ), + (destroy_texture_object_t *) r128DestroyTexObj ); + + driSetTextureSwapCounterLocation( rmesa->texture_heaps[i], + & rmesa->c_textureSwaps ); + } + rmesa->texture_depth = driQueryOptioni (&rmesa->optionCache, + "texture_depth"); + if (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB) + rmesa->texture_depth = ( r128scrn->cpp == 4 ) ? + DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16; + + + rmesa->RenderIndex = -1; /* Impossible value */ + rmesa->vert_buf = NULL; + rmesa->num_verts = 0; + RENDERINPUTS_ONES( rmesa->tnl_state_bitset ); + + /* Set the maximum texture size small enough that we can guarentee that + * all texture units can bind a maximal texture and have them both in + * texturable memory at once. + */ + + ctx->Const.MaxTextureUnits = 2; + ctx->Const.MaxTextureImageUnits = 2; + ctx->Const.MaxTextureCoordUnits = 2; + + driCalculateMaxTextureLevels( rmesa->texture_heaps, + rmesa->nr_heaps, + & ctx->Const, + 4, + 10, /* max 2D texture size is 1024x1024 */ + 0, /* 3D textures unsupported. */ + 0, /* cube textures unsupported. */ + 0, /* texture rectangles unsupported. */ + 11, + GL_FALSE, + 0 ); + + /* No wide points. + */ + ctx->Const.MinPointSize = 1.0; + ctx->Const.MinPointSizeAA = 1.0; + ctx->Const.MaxPointSize = 1.0; + ctx->Const.MaxPointSizeAA = 1.0; + + /* No wide lines. + */ + 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; + +#if ENABLE_PERF_BOXES + rmesa->boxes = driQueryOptionb(&rmesa->optionCache, "performance_boxes"); +#endif + + /* 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, r128_pipeline ); */ + + /* Configure swrast and T&L to match hardware characteristics: + */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + _tnl_allow_pixel_fog( ctx, GL_FALSE ); + _tnl_allow_vertex_fog( ctx, GL_TRUE ); + + driInitExtensions( ctx, card_extensions, GL_TRUE ); + if (sPriv->drmMinor >= 4) + _mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" ); + + r128InitTriFuncs( ctx ); + r128DDInitStateFuncs( ctx ); + r128DDInitSpanFuncs( ctx ); + r128DDInitState( rmesa ); + + rmesa->vblank_flags = (rmesa->r128Screen->irq != 0) + ? driGetDefaultVBlankFlags(&rmesa->optionCache) : VBLANK_FLAG_NO_IRQ; + + driContextPriv->driverPrivate = (void *)rmesa; + +#if DO_DEBUG + R128_DEBUG = driParseDebugString( getenv( "R128_DEBUG" ), + debug_control ); +#endif + + if (driQueryOptionb(&rmesa->optionCache, "no_rast")) { + fprintf(stderr, "disabling 3D acceleration\n"); + FALLBACK(rmesa, R128_FALLBACK_DISABLE, 1); + } + + return GL_TRUE; +} + +/* Destroy the device specific context. + */ +void r128DestroyContext( __DRIcontextPrivate *driContextPriv ) +{ + r128ContextPtr rmesa = (r128ContextPtr) driContextPriv->driverPrivate; + + assert(rmesa); /* should never be null */ + if ( rmesa ) { + GLboolean release_texture_heaps; + + + release_texture_heaps = (rmesa->glCtx->Shared->RefCount == 1); + + _swsetup_DestroyContext( rmesa->glCtx ); + _tnl_DestroyContext( rmesa->glCtx ); + _vbo_DestroyContext( rmesa->glCtx ); + _swrast_DestroyContext( rmesa->glCtx ); + + if ( release_texture_heaps ) { + /* This share group is about to go away, free our private + * texture object data. + */ + int i; + + for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) { + driDestroyTextureHeap( rmesa->texture_heaps[ i ] ); + rmesa->texture_heaps[ i ] = NULL; + } + + assert( is_empty_list( & rmesa->swapped ) ); + } + + /* free the Mesa context */ + rmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(rmesa->glCtx); + + /* free the option cache */ + driDestroyOptionCache (&rmesa->optionCache); + + FREE( rmesa ); + } + +#if 0 + /* Use this to force shared object profiling. */ + glx_fini_prof(); +#endif +} + + +/* Force the context `c' to be the current context and associate with it + * buffer `b'. + */ +GLboolean +r128MakeCurrent( __DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv ) +{ + if ( driContextPriv ) { + GET_CURRENT_CONTEXT(ctx); + r128ContextPtr oldR128Ctx = ctx ? R128_CONTEXT(ctx) : NULL; + r128ContextPtr newR128Ctx = (r128ContextPtr) driContextPriv->driverPrivate; + + if ( newR128Ctx != oldR128Ctx ) { + newR128Ctx->new_state |= R128_NEW_CONTEXT; + newR128Ctx->dirty = R128_UPLOAD_ALL; + } + + driDrawableInitVBlank( driDrawPriv, newR128Ctx->vblank_flags, + &newR128Ctx->vbl_seq ); + newR128Ctx->driDrawable = driDrawPriv; + + _mesa_make_current( newR128Ctx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + newR128Ctx->new_state |= R128_NEW_WINDOW | R128_NEW_CLIP; + } else { + _mesa_make_current( NULL, NULL, NULL ); + } + + return GL_TRUE; +} + + +/* Force the context `c' to be unbound from its buffer. + */ +GLboolean +r128UnbindContext( __DRIcontextPrivate *driContextPriv ) +{ + return GL_TRUE; +} |