diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mga_xmesa.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mga_xmesa.c | 1020 |
1 files changed, 0 insertions, 1020 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mga_xmesa.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mga_xmesa.c deleted file mode 100644 index d1d7799f9..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mga_xmesa.c +++ /dev/null @@ -1,1020 +0,0 @@ -/* $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. - */ - -/** - * \file mga_xmesa.c - * MGA screen and context initialization / creation code. - * - * \author Keith Whitwell <keith@tungstengraphics.com> - */ - -#include <stdlib.h> -#include <stdint.h> -#include "drm.h" -#include "mga_drm.h" -#include "mga_xmesa.h" -#include "context.h" -#include "matrix.h" -#include "simple_list.h" -#include "imports.h" -#include "framebuffer.h" -#include "renderbuffer.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 "drivers/common/driverfuncs.h" - -#include "mgadd.h" -#include "mgastate.h" -#include "mgatex.h" -#include "mgaspan.h" -#include "mgaioctl.h" -#include "mgatris.h" -#include "mgavb.h" -#include "mgapixel.h" -#include "mga_xmesa.h" -#include "mga_dri.h" - -#include "utils.h" -#include "vblank.h" - -#include "extensions.h" - -#include "GL/internal/dri_interface.h" - -#define need_GL_ARB_multisample -#define need_GL_ARB_texture_compression -#define need_GL_ARB_vertex_program -#define need_GL_EXT_fog_coord -#define need_GL_EXT_multi_draw_arrays -#define need_GL_EXT_secondary_color -#if 0 -#define need_GL_EXT_paletted_texture -#endif -#define need_GL_NV_vertex_program -#include "extension_helper.h" - -/* MGA configuration - */ -#include "xmlpool.h" - -PUBLIC const char __driConfigOptions[] = -DRI_CONF_BEGIN - DRI_CONF_SECTION_PERFORMANCE - DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) - DRI_CONF_SECTION_END - DRI_CONF_SECTION_QUALITY - DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB) - DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER) - DRI_CONF_SECTION_END - DRI_CONF_SECTION_SOFTWARE - DRI_CONF_ARB_VERTEX_PROGRAM(true) - DRI_CONF_NV_VERTEX_PROGRAM(true) - DRI_CONF_SECTION_END - DRI_CONF_SECTION_DEBUG - DRI_CONF_NO_RAST(false) - DRI_CONF_SECTION_END -DRI_CONF_END; -static const GLuint __driNConfigOptions = 6; - -#ifndef MGA_DEBUG -int MGA_DEBUG = 0; -#endif - -static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ); - -static __GLcontextModes * -mgaFillInModes( unsigned pixel_bits, unsigned depth_bits, - unsigned stencil_bits, GLboolean have_back_buffer ) -{ - __GLcontextModes * modes; - __GLcontextModes * m; - unsigned num_modes; - unsigned depth_buffer_factor; - unsigned back_buffer_factor; - GLenum fb_format; - GLenum fb_type; - - /* GLX_SWAP_COPY_OML is only supported because the MGA driver doesn't - * support pageflipping at all. - */ - static const GLenum back_buffer_modes[] = { - GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML - }; - - u_int8_t depth_bits_array[3]; - u_int8_t stencil_bits_array[3]; - - - depth_bits_array[0] = 0; - depth_bits_array[1] = depth_bits; - depth_bits_array[2] = depth_bits; - - /* Just like with the accumulation buffer, always provide some modes - * with a stencil buffer. It will be a sw fallback, but some apps won't - * care about that. - */ - stencil_bits_array[0] = 0; - stencil_bits_array[1] = 0; - stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits; - - depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; - back_buffer_factor = (have_back_buffer) ? 2 : 1; - - num_modes = depth_buffer_factor * back_buffer_factor * 4; - - if ( pixel_bits == 16 ) { - fb_format = GL_RGB; - fb_type = GL_UNSIGNED_SHORT_5_6_5; - } - else { - fb_format = GL_BGR; - fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; - } - - modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) ); - m = modes; - if ( ! driFillInModes( & m, fb_format, fb_type, - depth_bits_array, stencil_bits_array, depth_buffer_factor, - back_buffer_modes, back_buffer_factor, - GLX_TRUE_COLOR ) ) { - fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", - __func__, __LINE__ ); - return NULL; - } - - if ( ! driFillInModes( & m, fb_format, fb_type, - depth_bits_array, stencil_bits_array, depth_buffer_factor, - back_buffer_modes, back_buffer_factor, - GLX_DIRECT_COLOR ) ) { - fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", - __func__, __LINE__ ); - return NULL; - } - - /* Mark the visual as slow if there are "fake" stencil bits. - */ - for ( m = modes ; m != NULL ; m = m->next ) { - if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) { - m->visualRating = GLX_SLOW_CONFIG; - } - } - - return modes; -} - - -static GLboolean -mgaInitDriver(__DRIscreenPrivate *sPriv) -{ - mgaScreenPrivate *mgaScreen; - MGADRIPtr serverInfo = (MGADRIPtr)sPriv->pDevPriv; - PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = - (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); - void * const psc = sPriv->psc->screenConfigs; - - if (sPriv->devPrivSize != sizeof(MGADRIRec)) { - fprintf(stderr,"\nERROR! sizeof(MGADRIRec) does not match passed size from device driver\n"); - 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; - drm_mga_getparam_t gp; - - gp.param = MGA_PARAM_IRQ_NR; - gp.value = &mgaScreen->irq; - mgaScreen->irq = 0; - - 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 ( glx_enable_extension != NULL ) { - (*glx_enable_extension)( psc, "GLX_MESA_swap_control" ); - (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" ); - (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" ); - (*glx_enable_extension)( psc, "GLX_SGI_swap_control" ); - (*glx_enable_extension)( psc, "GLX_SGI_video_sync" ); - } - - 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->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; - - - /* The only reason that the MMIO region needs to be accessable and the - * primary DMA region base address needs to be known is so that the driver - * can busy wait for certain DMA operations to complete (see - * mgaWaitForFrameCompletion in mgaioctl.c). - * - * Starting with MGA DRM version 3.2, these are completely unneeded as - * there is a new, in-kernel mechanism for handling the wait. - */ - - if (mgaScreen->sPriv->drmMinor < 2) { - 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; - } - else { - (void) memset( & mgaScreen->primary, 0, sizeof( mgaScreen->primary ) ); - (void) memset( & mgaScreen->mmio, 0, sizeof( mgaScreen->mmio ) ); - } - - 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; - - - /* The texVirtual array stores the base addresses in the CPU's address - * space of the texture memory pools. The base address of the on-card - * memory pool is calculated as an offset of the base of video memory. The - * AGP texture pool has to be mapped into the processes address space by - * the DRM. - */ - - mgaScreen->texVirtual[MGA_CARD_HEAP] = (char *)(mgaScreen->sPriv->pFB + - serverInfo->textureOffset); - - if ( serverInfo->agpTextureSize > 0 ) { - 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; - } - } - - - /* For calculating setupdma addresses. - */ - - mgaScreen->bufs = drmMapBufs(sPriv->fd); - if (!mgaScreen->bufs) { - FREE(mgaScreen); - sPriv->private = NULL; - __driUtilMessage("Couldn't map dma buffers"); - return GL_FALSE; - } - mgaScreen->sarea_priv_offset = serverInfo->sarea_priv_offset; - - /* parse information in __driConfigOptions */ - driParseOptionInfo (&mgaScreen->optionCache, - __driConfigOptions, __driNConfigOptions); - - return GL_TRUE; -} - - -static void -mgaDestroyScreen(__DRIscreenPrivate *sPriv) -{ - mgaScreenPrivate *mgaScreen = (mgaScreenPrivate *) sPriv->private; - - if (MGA_DEBUG&DEBUG_VERBOSE_DRI) - fprintf(stderr, "mgaDestroyScreen\n"); - - drmUnmapBufs(mgaScreen->bufs); - - - /* free all option information */ - driDestroyOptionInfo (&mgaScreen->optionCache); - - FREE(mgaScreen); - sPriv->private = NULL; -} - - -extern const struct tnl_pipeline_stage _mga_render_stage; - -static const struct tnl_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, - &_tnl_arb_vertex_program_stage, - &_tnl_vertex_program_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 const struct dri_extension g400_extensions[] = -{ - { "GL_ARB_multitexture", NULL }, - { "GL_ARB_texture_env_add", NULL }, - { "GL_ARB_texture_env_combine", NULL }, - { "GL_ARB_texture_env_crossbar", NULL }, - { "GL_EXT_texture_env_combine", NULL }, - { "GL_EXT_texture_edge_clamp", NULL }, - { "GL_ATI_texture_env_combine3", NULL }, - { NULL, NULL } -}; - -static const struct dri_extension card_extensions[] = -{ - { "GL_ARB_multisample", GL_ARB_multisample_functions }, - { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, - { "GL_ARB_texture_rectangle", NULL }, - { "GL_EXT_blend_logic_op", NULL }, - { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, - { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions }, - /* paletted_textures currently doesn't work, but we could fix them later */ -#if defined( need_GL_EXT_paletted_texture ) - { "GL_EXT_shared_texture_palette", NULL }, - { "GL_EXT_paletted_texture", GL_EXT_paletted_texture_functions }, -#endif - { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, - { "GL_EXT_stencil_wrap", NULL }, - { "GL_MESA_ycbcr_texture", NULL }, - { "GL_SGIS_generate_mipmap", NULL }, - { NULL, NULL } -}; - -static const struct dri_extension ARB_vp_extension[] = { - { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, - { NULL, NULL } -}; - -static const struct dri_extension NV_vp_extensions[] = { - { "GL_NV_vertex_program", GL_NV_vertex_program_functions }, - { "GL_NV_vertex_program1_1", NULL }, - { NULL, NULL } -}; - -static const struct dri_debug_control debug_control[] = -{ - { "fall", DEBUG_VERBOSE_FALLBACK }, - { "tex", DEBUG_VERBOSE_TEXTURE }, - { "ioctl", DEBUG_VERBOSE_IOCTL }, - { "verb", DEBUG_VERBOSE_MSG }, - { "dri", DEBUG_VERBOSE_DRI }, - { NULL, 0 } -}; - - -static GLboolean -mgaCreateContext( const __GLcontextModes *mesaVis, - __DRIcontextPrivate *driContextPriv, - void *sharedContextPrivate ) -{ - int i; - unsigned maxlevels; - GLcontext *ctx, *shareCtx; - mgaContextPtr mmesa; - __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; - mgaScreenPrivate *mgaScreen = (mgaScreenPrivate *)sPriv->private; - drm_mga_sarea_t *saPriv = (drm_mga_sarea_t *)(((char*)sPriv->pSAREA)+ - mgaScreen->sarea_priv_offset); - struct dd_function_table functions; - - if (MGA_DEBUG&DEBUG_VERBOSE_DRI) - fprintf(stderr, "mgaCreateContext\n"); - - /* allocate mga context */ - mmesa = (mgaContextPtr) CALLOC(sizeof(mgaContext)); - if (!mmesa) { - 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 ); - mgaInitDriverFuncs( &functions ); - mgaInitTextureFuncs( &functions ); - mgaInitIoctlFuncs( &functions ); - - /* Allocate the Mesa context */ - if (sharedContextPrivate) - shareCtx = ((mgaContextPtr) sharedContextPrivate)->glCtx; - else - shareCtx = NULL; - mmesa->glCtx = _mesa_create_context(mesaVis, shareCtx, - &functions, (void *) mmesa); - 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; - - /* Parse configuration files */ - driParseConfigFiles (&mmesa->optionCache, &mgaScreen->optionCache, - sPriv->myNum, "mga"); - - (void) memset( mmesa->texture_heaps, 0, sizeof( mmesa->texture_heaps ) ); - make_empty_list( & mmesa->swapped ); - - mmesa->nr_heaps = mgaScreen->texVirtual[MGA_AGP_HEAP] ? 2 : 1; - for ( i = 0 ; i < mmesa->nr_heaps ; i++ ) { - mmesa->texture_heaps[i] = driCreateTextureHeap( i, mmesa, - mgaScreen->textureSize[i], - 6, - MGA_NR_TEX_REGIONS, - (drmTextureRegionPtr)mmesa->sarea->texList[i], - &mmesa->sarea->texAge[i], - &mmesa->swapped, - sizeof( mgaTextureObject_t ), - (destroy_texture_object_t *) mgaDestroyTexObj ); - } - - /* 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; - if ( mgaScreen->chipset == MGA_CARD_TYPE_G200 ) { - ctx->Const.MaxTextureUnits = 1; - ctx->Const.MaxTextureImageUnits = 1; - ctx->Const.MaxTextureCoordUnits = 1; - maxlevels = G200_TEX_MAXLEVELS; - - } - else { - ctx->Const.MaxTextureUnits = 2; - ctx->Const.MaxTextureImageUnits = 2; - ctx->Const.MaxTextureCoordUnits = 2; - maxlevels = G400_TEX_MAXLEVELS; - } - - driCalculateMaxTextureLevels( mmesa->texture_heaps, - mmesa->nr_heaps, - & ctx->Const, - 4, - 11, /* max 2D texture size is 2048x2048 */ - 0, /* 3D textures unsupported. */ - 0, /* cube textures unsupported. */ - 11, /* max texture rect size is 2048x2048 */ - maxlevels, - GL_FALSE ); - - 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->texture_depth = driQueryOptioni (&mmesa->optionCache, - "texture_depth"); - if (mmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB) - mmesa->texture_depth = ( mesaVis->rgbBits >= 24 ) ? - DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16; - 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->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 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 ); - - mmesa->primary_offset = mmesa->mgaScreen->primary.handle; - - ctx->DriverCtx = (void *) mmesa; - mmesa->glCtx = ctx; - - driInitExtensions( ctx, card_extensions, GL_FALSE ); - - if (MGA_IS_G400(MGA_CONTEXT(ctx))) { - driInitExtensions( ctx, g400_extensions, GL_FALSE ); - } - - if ( driQueryOptionb( &mmesa->optionCache, "arb_vertex_program" ) ) { - driInitSingleExtension( ctx, ARB_vp_extension ); - } - - if ( driQueryOptionb( &mmesa->optionCache, "nv_vertex_program" ) ) { - driInitExtensions( ctx, NV_vp_extensions, GL_FALSE ); - } - - - /* XXX these should really go right after _mesa_init_driver_functions() */ - mgaDDInitStateFuncs( ctx ); - mgaDDInitSpanFuncs( ctx ); - mgaDDInitPixelFuncs( ctx ); - mgaDDInitTriFuncs( ctx ); - - mgaInitVB( ctx ); - mgaInitState( mmesa ); - - driContextPriv->driverPrivate = (void *) mmesa; - -#if DO_DEBUG - MGA_DEBUG = driParseDebugString( getenv( "MGA_DEBUG" ), - debug_control ); -#endif - - mmesa->vblank_flags = (mmesa->mgaScreen->irq == 0) - ? VBLANK_FLAG_NO_IRQ : driGetDefaultVBlankFlags(&mmesa->optionCache); - - (*dri_interface->getUST)( & mmesa->swap_ust ); - - if (driQueryOptionb(&mmesa->optionCache, "no_rast")) { - fprintf(stderr, "disabling 3D acceleration\n"); - FALLBACK(mmesa->glCtx, MGA_FALLBACK_DISABLE, 1); - } - - return GL_TRUE; -} - -static void -mgaDestroyContext(__DRIcontextPrivate *driContextPriv) -{ - mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; - - if (MGA_DEBUG&DEBUG_VERBOSE_DRI) - fprintf( stderr, "[%s:%d] mgaDestroyContext start\n", - __FILE__, __LINE__ ); - - assert(mmesa); /* should never be null */ - if (mmesa) { - GLboolean release_texture_heaps; - - - release_texture_heaps = (mmesa->glCtx->Shared->RefCount == 1); - _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); - - if ( release_texture_heaps ) { - /* This share group is about to go away, free our private - * texture object data. - */ - int i; - - for ( i = 0 ; i < mmesa->nr_heaps ; i++ ) { - driDestroyTextureHeap( mmesa->texture_heaps[ i ] ); - mmesa->texture_heaps[ i ] = NULL; - } - - assert( is_empty_list( & mmesa->swapped ) ); - } - - /* free the option cache */ - driDestroyOptionCache (&mmesa->optionCache); - - FREE(mmesa); - } - - if (MGA_DEBUG&DEBUG_VERBOSE_DRI) - fprintf( stderr, "[%s:%d] mgaDestroyContext done\n", - __FILE__, __LINE__ ); -} - - -static GLboolean -mgaCreateBuffer( __DRIscreenPrivate *driScrnPriv, - __DRIdrawablePrivate *driDrawPriv, - const __GLcontextModes *mesaVis, - GLboolean isPixmap ) -{ - mgaScreenPrivate *screen = (mgaScreenPrivate *) driScrnPriv->private; - - if (isPixmap) { - return GL_FALSE; /* not implemented */ - } - else { - GLboolean swStencil = (mesaVis->stencilBits > 0 && - mesaVis->depthBits != 24); - -#if 0 - driDrawPriv->driverPrivate = (void *) - _mesa_create_framebuffer(mesaVis, - GL_FALSE, /* software depth buffer? */ - swStencil, - mesaVis->accumRedBits > 0, - mesaVis->alphaBits > 0 ); -#else - struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); - - { - driRenderbuffer *frontRb - = driNewRenderbuffer(GL_RGBA, screen->cpp, - screen->frontOffset, screen->frontPitch); - mgaSetSpanFunctions(frontRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); - } - - if (mesaVis->doubleBufferMode) { - driRenderbuffer *backRb - = driNewRenderbuffer(GL_RGBA, screen->cpp, - screen->backOffset, screen->backPitch); - mgaSetSpanFunctions(backRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); - } - - if (mesaVis->depthBits == 16) { - driRenderbuffer *depthRb - = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp, - screen->depthOffset, screen->depthPitch); - mgaSetSpanFunctions(depthRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); - } - else if (mesaVis->depthBits == 24) { - /* XXX is this right? */ - if (mesaVis->stencilBits) { - driRenderbuffer *depthRb - = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, - screen->depthOffset, screen->depthPitch); - mgaSetSpanFunctions(depthRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); - } - else { - driRenderbuffer *depthRb - = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->cpp, - screen->depthOffset, screen->depthPitch); - mgaSetSpanFunctions(depthRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); - } - } - else if (mesaVis->depthBits == 32) { - driRenderbuffer *depthRb - = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->cpp, - screen->depthOffset, screen->depthPitch); - mgaSetSpanFunctions(depthRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); - } - - if (mesaVis->stencilBits > 0 && !swStencil) { - driRenderbuffer *stencilRb - = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->cpp, - screen->depthOffset, screen->depthPitch); - mgaSetSpanFunctions(stencilRb, mesaVis); - _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); - } - - _mesa_add_soft_renderbuffers(fb, - GL_FALSE, /* color */ - GL_FALSE, /* depth */ - swStencil, - mesaVis->accumRedBits > 0, - GL_FALSE, /* alpha */ - GL_FALSE /* aux */); - driDrawPriv->driverPrivate = (void *) fb; -#endif - - return (driDrawPriv->driverPrivate != NULL); - } -} - - -static void -mgaDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) -{ - _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); -} - -static void -mgaSwapBuffers(__DRIdrawablePrivate *dPriv) -{ - if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { - mgaContextPtr mmesa; - GLcontext *ctx; - mmesa = (mgaContextPtr) dPriv->driContextPriv->driverPrivate; - ctx = mmesa->glCtx; - - if (ctx->Visual.doubleBufferMode) { - _mesa_notifySwapBuffers( ctx ); - mgaCopyBuffer( dPriv ); - } - } else { - /* XXX this shouldn't be an error but we can't handle it for now */ - _mesa_problem(NULL, "%s: drawable has no context!\n", __FUNCTION__); - } -} - -static GLboolean -mgaUnbindContext(__DRIcontextPrivate *driContextPriv) -{ - mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; - if (mmesa) - mmesa->dirty = ~0; - - 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) -{ - if (driContextPriv) { - mgaContextPtr mmesa = (mgaContextPtr) driContextPriv->driverPrivate; - - if (mmesa->driDrawable != driDrawPriv) { - driDrawableInitVBlank( driDrawPriv, mmesa->vblank_flags ); - mmesa->driDrawable = driDrawPriv; - mmesa->dirty = ~0; - mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK); - mmesa->mesa_drawable = driDrawPriv; - } - - mmesa->driReadable = driReadPriv; - - _mesa_make_current(mmesa->glCtx, - (GLframebuffer *) driDrawPriv->driverPrivate, - (GLframebuffer *) driReadPriv->driverPrivate); - } - else { - _mesa_make_current(NULL, NULL, NULL); - } - - return GL_TRUE; -} - - -void mgaGetLock( mgaContextPtr mmesa, GLuint flags ) -{ - __DRIdrawablePrivate *dPriv = mmesa->driDrawable; - drm_mga_sarea_t *sarea = mmesa->sarea; - int me = mmesa->hHWContext; - int i; - - drmGetLock(mmesa->driFd, mmesa->hHWContext, flags); - - if (*(dPriv->pStamp) != mmesa->lastStamp) { - mmesa->lastStamp = *(dPriv->pStamp); - mmesa->SetupNewInputs |= VERT_BIT_POS; - 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->nr_heaps ; i++ ) { - DRI_AGE_TEXTURES( mmesa->texture_heaps[ i ] ); - } -} - - -static const struct __DriverAPIRec mgaAPI = { - .InitDriver = mgaInitDriver, - .DestroyScreen = mgaDestroyScreen, - .CreateContext = mgaCreateContext, - .DestroyContext = mgaDestroyContext, - .CreateBuffer = mgaCreateBuffer, - .DestroyBuffer = mgaDestroyBuffer, - .SwapBuffers = mgaSwapBuffers, - .MakeCurrent = mgaMakeCurrent, - .UnbindContext = mgaUnbindContext, - .GetSwapInfo = getSwapInfo, - .GetMSC = driGetMSC32, - .WaitForMSC = driWaitForMSC32, - .WaitForSBC = NULL, - .SwapBuffersMSC = NULL -}; - - -/** - * This is the bootstrap function for the driver. libGL supplies all of the - * requisite information about the system, and the driver initializes itself. - * This routine also fills in the linked list pointed to by \c driver_modes - * with the \c __GLcontextModes that the driver can support for windows or - * pbuffers. - * - * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on - * failure. - */ -PUBLIC -void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc, - const __GLcontextModes * modes, - const __DRIversion * ddx_version, - const __DRIversion * dri_version, - const __DRIversion * drm_version, - const __DRIframebuffer * frame_buffer, - drmAddress pSAREA, int fd, - int internal_api_version, - const __DRIinterfaceMethods * interface, - __GLcontextModes ** driver_modes ) - -{ - __DRIscreenPrivate *psp; - static const __DRIversion ddx_expected = { 1, 2, 0 }; - static const __DRIversion dri_expected = { 4, 0, 0 }; - static const __DRIversion drm_expected = { 3, 0, 0 }; - - dri_interface = interface; - - if ( ! driCheckDriDdxDrmVersions2( "MGA", - dri_version, & dri_expected, - ddx_version, & ddx_expected, - drm_version, & drm_expected ) ) { - return NULL; - } - - psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, - ddx_version, dri_version, drm_version, - frame_buffer, pSAREA, fd, - internal_api_version, &mgaAPI); - if ( psp != NULL ) { - MGADRIPtr dri_priv = (MGADRIPtr) psp->pDevPriv; - *driver_modes = mgaFillInModes( dri_priv->cpp * 8, - (dri_priv->cpp == 2) ? 16 : 24, - (dri_priv->cpp == 2) ? 0 : 8, - (dri_priv->backOffset != dri_priv->depthOffset) ); - - /* Calling driInitExtensions here, with a NULL context pointer, does not actually - * enable the extensions. It just makes sure that all the dispatch offsets for all - * the extensions that *might* be enables are known. This is needed because the - * dispatch offsets need to be known when _mesa_context_create is called, but we can't - * enable the extensions until we have a context pointer. - * - * Hello chicken. Hello egg. How are you two today? - */ - driInitExtensions( NULL, card_extensions, GL_FALSE ); - driInitExtensions( NULL, g400_extensions, GL_FALSE ); - driInitSingleExtension( NULL, ARB_vp_extension ); - driInitExtensions( NULL, NV_vp_extensions, GL_FALSE ); - - } - - return (void *) psp; -} - - -/** - * Get information about previous buffer swaps. - */ -static int -getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ) -{ - mgaContextPtr mmesa; - - if ( (dPriv == NULL) || (dPriv->driContextPriv == NULL) - || (dPriv->driContextPriv->driverPrivate == NULL) - || (sInfo == NULL) ) { - return -1; - } - - mmesa = (mgaContextPtr) dPriv->driContextPriv->driverPrivate; - sInfo->swap_count = mmesa->swap_count; - sInfo->swap_ust = mmesa->swap_ust; - sInfo->swap_missed_count = mmesa->swap_missed_count; - - sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) - ? driCalculateSwapUsage( dPriv, 0, mmesa->swap_missed_ust ) - : 0.0; - - return 0; -} |