/************************************************************************** * * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS 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. * **************************************************************************/ #include "i830_dri.h" #include "intel_screen.h" #include "intel_context.h" #include "intel_swapbuffers.h" #include "intel_winsys.h" #include "intel_batchbuffer.h" #include "state_tracker/st_public.h" #include "state_tracker/st_context.h" /* XXX temporary */ #include "pipe/p_defines.h" #include "pipe/p_context.h" #include "utils.h" #ifdef DEBUG int __intel_debug = 0; #endif /** * Extension strings exported by the intel driver. * * \note * It appears that ARB_texture_env_crossbar has "disappeared" compared to the * old i830-specific driver. */ const struct dri_extension card_extensions[] = { {NULL, NULL} }; #ifdef DEBUG static const struct dri_debug_control debug_control[] = { {"ioctl", DEBUG_IOCTL}, {"bat", DEBUG_BATCH}, {"lock", DEBUG_LOCK}, {"swap", DEBUG_SWAP}, {NULL, 0} }; #endif GLboolean intelCreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate) { struct intel_context *intel = CALLOC_STRUCT(intel_context); __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; struct intel_screen *intelScreen = intel_screen(sPriv); drmI830Sarea *saPriv = intelScreen->sarea; int fthrottle_mode; GLboolean havePools; struct pipe_context *pipe; driContextPriv->driverPrivate = intel; intel->intelScreen = intelScreen; intel->driScreen = sPriv; intel->sarea = saPriv; driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, intel->driScreen->myNum, "i915"); /* * memory pools */ DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); havePools = intelCreatePools(sPriv); DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); if (!havePools) return GL_FALSE; /* Dri stuff */ intel->hHWContext = driContextPriv->hHWContext; intel->driFd = sPriv->fd; intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); intel->iw.irq_seq = -1; intel->irqsEmitted = 0; intel->batch = intel_batchbuffer_alloc(intel); intel->last_swap_fence = NULL; intel->first_swap_fence = NULL; #ifdef DEBUG __intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); #endif /* * Pipe-related setup */ if (!getenv("INTEL_HW")) { pipe = intel_create_softpipe( intel ); } else { switch (intel->intelScreen->deviceID) { case PCI_CHIP_I945_G: case PCI_CHIP_I945_GM: case PCI_CHIP_I945_GME: case PCI_CHIP_G33_G: case PCI_CHIP_Q33_G: case PCI_CHIP_Q35_G: case PCI_CHIP_I915_G: case PCI_CHIP_I915_GM: pipe = intel_create_i915simple( intel ); break; default: _mesa_printf("Unknown PCIID %x in %s, using software driver\n", intel->intelScreen->deviceID, __FUNCTION__); pipe = intel_create_softpipe( intel ); break; } } intel->st = st_create_context(pipe, mesaVis, NULL); intel->st->ctx->DriverCtx = intel; /* hope to get rid of this... */ return GL_TRUE; } void intelDestroyContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); assert(intel); /* should never be null */ if (intel) { st_flush(intel->st); intel_batchbuffer_free(intel->batch); if (intel->last_swap_fence) { driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); driFenceUnReference(intel->last_swap_fence); intel->last_swap_fence = NULL; } if (intel->first_swap_fence) { driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); driFenceUnReference(intel->first_swap_fence); intel->first_swap_fence = NULL; } st_destroy_context(intel->st); free(intel); } } GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); st_flush(intel->st); /* XXX make_current(NULL)? */ return GL_TRUE; } GLboolean intelMakeCurrent(__DRIcontextPrivate * driContextPriv, __DRIdrawablePrivate * driDrawPriv, __DRIdrawablePrivate * driReadPriv) { if (driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); struct intel_framebuffer *draw_fb = intel_framebuffer(driDrawPriv); struct intel_framebuffer *read_fb = intel_framebuffer(driReadPriv); assert(draw_fb->stfb); assert(read_fb->stfb); /* this is a hack so we have a valid context when the region allocation is done. Need a per-screen context? */ intel->intelScreen->dummyctxptr = intel; st_make_current(intel->st, draw_fb->stfb, read_fb->stfb); if ((intel->driDrawable != driDrawPriv) || (intel->lastStamp != driDrawPriv->lastStamp)) { intel->driDrawable = driDrawPriv; intelUpdateWindowSize(driDrawPriv); intel->lastStamp = driDrawPriv->lastStamp; } /* The size of the draw buffer will have been updated above. * If the readbuffer is a different window, check/update its size now. */ if (driReadPriv != driDrawPriv) { intelUpdateWindowSize(driReadPriv); } } else { st_make_current(NULL, NULL, NULL); } return GL_TRUE; }