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/**************************************************************************
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* Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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**************************************************************************/
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#include "util/u_memory.h"
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#include "util/u_math.h"
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#include "pipe/p_error.h"
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#include "pipe/p_context.h"
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#include "xm_public.h"
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#include "i965/brw_winsys.h"
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#include "i965/brw_screen.h"
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#include "i965/brw_resource.h"
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#include "i965/brw_reg.h"
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#include "i965/brw_structs_dump.h"
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#define MAX_VRAM (128*1024*1024)
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extern int brw_disasm (FILE *file,
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const struct brw_instruction *inst,
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extern int intel_decode(const uint32_t *data,
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struct xlib_brw_buffer
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struct brw_winsys_buffer base;
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* Subclass of brw_winsys_screen for Xlib winsys
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struct xlib_brw_winsys
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struct brw_winsys_screen base;
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struct brw_chipset chipset;
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static struct xlib_brw_winsys *
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xlib_brw_winsys( struct brw_winsys_screen *screen )
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return (struct xlib_brw_winsys *)screen;
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static struct xlib_brw_buffer *
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xlib_brw_buffer( struct brw_winsys_buffer *buffer )
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return (struct xlib_brw_buffer *)buffer;
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const char *names[BRW_BUFFER_TYPE_MAX] = {
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const char *usages[BRW_USAGE_MAX] = {
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const char *data_types[BRW_DATA_MAX] =
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"GS: SAMPLER_DEFAULT_COLOR",
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static enum pipe_error
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xlib_brw_bo_alloc( struct brw_winsys_screen *sws,
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enum brw_buffer_type type,
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struct brw_winsys_buffer **bo_out )
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struct xlib_brw_winsys *xbw = xlib_brw_winsys(sws);
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struct xlib_brw_buffer *buf;
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s type %s sz %d align %d\n",
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__FUNCTION__, names[type], size, alignment );
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buf = CALLOC_STRUCT(xlib_brw_buffer);
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return PIPE_ERROR_OUT_OF_MEMORY;
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pipe_reference_init(&buf->base.reference, 1);
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buf->offset = align(xbw->used, alignment);
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buf->virtual = MALLOC(size);
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buf->base.size = size;
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xbw->used = align(xbw->used, alignment) + size;
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if (xbw->used > MAX_VRAM)
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/* XXX: possibly rentrant call to bo_destroy:
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bo_reference(bo_out, &buf->base);
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return PIPE_ERROR_OUT_OF_MEMORY;
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xlib_brw_bo_destroy( struct brw_winsys_buffer *buffer )
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struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
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xlib_brw_bo_emit_reloc( struct brw_winsys_buffer *buffer,
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enum brw_buffer_usage usage,
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struct brw_winsys_buffer *buffer2)
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struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
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struct xlib_brw_buffer *buf2 = xlib_brw_buffer(buffer2);
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s buf %p offset %x val %x + %x buf2 %p/%s/%s\n",
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__FUNCTION__, (void *)buffer, offset,
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(void *)buffer2, names[buf2->type], usages[usage]);
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*(uint32_t *)(buf->virtual + offset) = buf2->offset + delta;
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xlib_brw_bo_exec( struct brw_winsys_buffer *buffer,
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unsigned bytes_used )
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("execute buffer %p, bytes %d\n", (void *)buffer, bytes_used);
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xlib_brw_bo_subdata(struct brw_winsys_buffer *buffer,
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enum brw_buffer_data_type data_type,
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const struct brw_winsys_reloc *reloc,
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struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
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struct xlib_brw_winsys *xbw = xlib_brw_winsys(buffer->sws);
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s buf %p off %d sz %d %s relocs: %d\n",
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(void *)buffer, offset, size,
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data_types[data_type],
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assert(buf->base.size >= offset + size);
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memcpy(buf->virtual + offset, data, size);
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/* Apply the relocations:
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for (i = 0; i < nr_relocs; i++) {
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("\treloc[%d] usage %s off %d value %x+%x\n",
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i, usages[reloc[i].usage], reloc[i].offset,
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xlib_brw_buffer(reloc[i].bo)->offset, reloc[i].delta);
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*(unsigned *)(buf->virtual + offset + reloc[i].offset) =
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xlib_brw_buffer(reloc[i].bo)->offset + reloc[i].delta;
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brw_dump_data( xbw->chipset.pci_id,
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buf->offset + offset,
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buf->virtual + offset, size );
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xlib_brw_bo_is_busy(struct brw_winsys_buffer *buffer)
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s %p\n", __FUNCTION__, (void *)buffer);
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xlib_brw_bo_references(struct brw_winsys_buffer *a,
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struct brw_winsys_buffer *b)
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s %p %p\n", __FUNCTION__, (void *)a, (void *)b);
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static enum pipe_error
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xlib_brw_check_aperture_space( struct brw_winsys_screen *iws,
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struct brw_winsys_buffer **buffers,
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unsigned tot_size = 0;
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for (i = 0; i < count; i++)
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tot_size += buffers[i]->size;
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s %d bufs, tot_size: %d kb\n",
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(tot_size + 1023) / 1024);
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xlib_brw_bo_map(struct brw_winsys_buffer *buffer,
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enum brw_buffer_data_type data_type,
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struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s %p %s %s\n", __FUNCTION__, (void *)buffer,
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write ? "read/write" : "read",
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write ? data_types[data_type] : "");
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xlib_brw_bo_flush_range( struct brw_winsys_buffer *buffer,
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xlib_brw_bo_unmap(struct brw_winsys_buffer *buffer)
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struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s %p\n", __FUNCTION__, (void *)buffer);
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assert(buf->map_count >= 0);
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if (buf->map_count == 0 &&
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/* Consider dumping new buffer contents here, using the
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* flush-range info to minimize verbosity.
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xlib_brw_bo_wait_idle( struct brw_winsys_buffer *buffer )
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xlib_brw_winsys_destroy( struct brw_winsys_screen *sws )
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struct xlib_brw_winsys *xbw = xlib_brw_winsys(sws);
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static struct brw_winsys_screen *
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xlib_create_brw_winsys_screen( void )
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struct xlib_brw_winsys *ws;
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ws = CALLOC_STRUCT(xlib_brw_winsys);
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ws->base.pci_id = PCI_CHIP_GM45_GM;
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ws->base.destroy = xlib_brw_winsys_destroy;
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ws->base.bo_alloc = xlib_brw_bo_alloc;
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ws->base.bo_destroy = xlib_brw_bo_destroy;
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ws->base.bo_emit_reloc = xlib_brw_bo_emit_reloc;
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ws->base.bo_exec = xlib_brw_bo_exec;
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ws->base.bo_subdata = xlib_brw_bo_subdata;
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ws->base.bo_is_busy = xlib_brw_bo_is_busy;
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ws->base.bo_references = xlib_brw_bo_references;
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ws->base.check_aperture_space = xlib_brw_check_aperture_space;
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ws->base.bo_map = xlib_brw_bo_map;
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ws->base.bo_flush_range = xlib_brw_bo_flush_range;
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ws->base.bo_unmap = xlib_brw_bo_unmap;
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ws->base.bo_wait_idle = xlib_brw_bo_wait_idle;
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/***********************************************************************
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* Implementation of Xlib co-state-tracker's winsys interface
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xlib_i965_display_surface(struct xmesa_buffer *xm_buffer,
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struct pipe_resource *resource,
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unsigned level, unsigned layer)
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struct brw_texture *tex = brw_texture(resource);
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struct xlib_brw_buffer *bo = xlib_brw_buffer(tex->bo);
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/* not sure if the resource is really useful here but
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since it was never implemented anyway... */
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if (BRW_DEBUG & DEBUG_WINSYS)
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debug_printf("%s level %u layer %u offset %x base sz %dx%d\n", __FUNCTION__,
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xlib_i965_flush_frontbuffer(struct pipe_screen *screen,
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struct pipe_resource *resource,
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unsigned level, unsigned layer,
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void *context_private)
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xlib_i965_display_surface(NULL, resource, level, layer);
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static struct pipe_screen *
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xlib_create_i965_screen( void )
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struct brw_winsys_screen *winsys;
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struct pipe_screen *screen;
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winsys = xlib_create_brw_winsys_screen();
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screen = brw_create_screen(winsys);
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xlib_brw_winsys(winsys)->chipset = brw_screen(screen)->chipset;
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screen->flush_frontbuffer = xlib_i965_flush_frontbuffer;
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winsys->destroy( winsys );
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struct xm_driver xlib_i965_driver =
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.create_pipe_screen = xlib_create_i965_screen,
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.display_surface = xlib_i965_display_surface
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/* Register this driver at library load:
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static void _init( void ) __attribute__((constructor));
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static void _init( void )
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xmesa_set_driver( &xlib_i965_driver );
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/***********************************************************************
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* Butt-ugly hack to convince the linker not to throw away public GL
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* symbols (they are all referenced from getprocaddress, I guess).
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extern void (*linker_foo(const unsigned char *procName))();
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extern void (*glXGetProcAddress(const unsigned char *procName))();
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extern void (*linker_foo(const unsigned char *procName))()
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return glXGetProcAddress(procName);