From 002dfb12fce045d0e124301e5df805df772149d8 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 8 Jan 2009 14:10:56 +0000 Subject: gallium: split driver-independent code out of xlib winsys Place in new xlib state-tracker. This is a statetracker for the GLX API. --- src/gallium/winsys/xlib/xlib_brw_screen.c | 470 ++++++++++++++++++++++++++++++ 1 file changed, 470 insertions(+) create mode 100644 src/gallium/winsys/xlib/xlib_brw_screen.c (limited to 'src/gallium/winsys/xlib/xlib_brw_screen.c') diff --git a/src/gallium/winsys/xlib/xlib_brw_screen.c b/src/gallium/winsys/xlib/xlib_brw_screen.c new file mode 100644 index 0000000000..b0c7977185 --- /dev/null +++ b/src/gallium/winsys/xlib/xlib_brw_screen.c @@ -0,0 +1,470 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA + * 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 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 + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ + +/* + * Authors: + * Keith Whitwell + * Brian Paul + */ + + +//#include "state_trackers/xlib/glxheader.h" +//#include "state_trackers/xlib/xmesaP.h" + +#include "pipe/p_winsys.h" +#include "pipe/p_inlines.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "i965simple/brw_winsys.h" +#include "i965simple/brw_screen.h" + +#include "xlib_brw_aub.h" +#include "xlib_brw.h" + + + +struct aub_buffer { + char *data; + unsigned offset; + unsigned size; + unsigned refcount; + unsigned map_count; + boolean dump_on_unmap; +}; + + + +struct aub_pipe_winsys { + struct pipe_winsys winsys; + + struct brw_aubfile *aubfile; + + /* This is simple, isn't it: + */ + char *pool; + unsigned size; + unsigned used; +}; + + +/* Turn a pipe winsys into an aub/pipe winsys: + */ +static inline struct aub_pipe_winsys * +aub_pipe_winsys( struct pipe_winsys *winsys ) +{ + return (struct aub_pipe_winsys *)winsys; +} + + + +static INLINE struct aub_buffer * +aub_bo( struct pipe_buffer *bo ) +{ + return (struct aub_buffer *)bo; +} + +static INLINE struct pipe_buffer * +pipe_bo( struct aub_buffer *bo ) +{ + return (struct pipe_buffer *)bo; +} + + + + +static void *aub_buffer_map(struct pipe_winsys *winsys, + struct pipe_buffer *buf, + unsigned flags ) +{ + struct aub_buffer *sbo = aub_bo(buf); + + assert(sbo->data); + + if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) + sbo->dump_on_unmap = 1; + + sbo->map_count++; + return sbo->data; +} + +static void aub_buffer_unmap(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys); + struct aub_buffer *sbo = aub_bo(buf); + + sbo->map_count--; + + if (sbo->map_count == 0 && + sbo->dump_on_unmap) { + + sbo->dump_on_unmap = 0; + + brw_aub_gtt_data( iws->aubfile, + sbo->offset, + sbo->data, + sbo->size, + 0, + 0); + } +} + + +static void +aub_buffer_destroy(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + free(buf); +} + + + +void xlib_brw_commands_aub(struct pipe_winsys *winsys, + unsigned *cmds, + unsigned nr_dwords) +{ + struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys); + unsigned size = nr_dwords * 4; + + assert(iws->used + size < iws->size); + + brw_aub_gtt_cmds( iws->aubfile, + AUB_BUF_START + iws->used, + cmds, + nr_dwords * sizeof(int) ); + + iws->used += align(size, 4096); +} + + +/* XXX: fix me: + */ +static struct aub_pipe_winsys *global_winsys = NULL; + + + + +/* Pipe has no concept of pools. We choose the tex/region pool + * for all buffers. + */ +static struct pipe_buffer * +aub_buffer_create(struct pipe_winsys *winsys, + unsigned alignment, + unsigned usage, + unsigned size) +{ + struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys); + struct aub_buffer *sbo = CALLOC_STRUCT(aub_buffer); + + sbo->refcount = 1; + + /* Could reuse buffers that are not referenced in current + * batchbuffer. Can't do that atm, so always reallocate: + */ + assert(iws->used + size < iws->size); + sbo->data = iws->pool + iws->used; + sbo->offset = AUB_BUF_START + iws->used; + iws->used += align(size, 4096); + + sbo->size = size; + + return pipe_bo(sbo); +} + + +static struct pipe_buffer * +aub_user_buffer_create(struct pipe_winsys *winsys, void *ptr, unsigned bytes) +{ + struct aub_buffer *sbo; + + /* Lets hope this is meant for upload, not as a result! + */ + sbo = aub_bo(aub_buffer_create( winsys, 0, 0, 0 )); + + sbo->data = ptr; + sbo->size = bytes; + + return pipe_bo(sbo); +} + + +/* The state tracker (should!) keep track of whether the fake + * frontbuffer has been touched by any rendering since the last time + * we copied its contents to the real frontbuffer. Our task is easy: + */ +static void +aub_flush_frontbuffer( struct pipe_winsys *winsys, + struct pipe_surface *surface, + void *context_private) +{ +// struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys); + brw_aub_dump_bmp( global_winsys->aubfile, + surface, + aub_bo(surface->buffer)->offset ); +} + +static struct pipe_surface * +aub_i915_surface_alloc(struct pipe_winsys *winsys) +{ + struct pipe_surface *surf = CALLOC_STRUCT(pipe_surface); + if (surf) { + surf->refcount = 1; + surf->winsys = winsys; + } + return surf; +} + + +/** + * Round n up to next multiple. + */ +static INLINE unsigned +round_up(unsigned n, unsigned multiple) +{ + return (n + multiple - 1) & ~(multiple - 1); +} + +static int +aub_i915_surface_alloc_storage(struct pipe_winsys *winsys, + struct pipe_surface *surf, + unsigned width, unsigned height, + enum pipe_format format, + unsigned flags, + unsigned tex_usage) +{ + const unsigned alignment = 64; + + surf->width = width; + surf->height = height; + surf->format = format; + pf_get_block(format, &surf->block); + surf->nblocksx = pf_get_nblocksx(&surf->block, width); + surf->nblocksy = pf_get_nblocksy(&surf->block, height); + surf->stride = round_up(surf->nblocksx * surf->block.size, alignment); + surf->usage = flags; + + assert(!surf->buffer); + surf->buffer = winsys->buffer_create(winsys, alignment, + PIPE_BUFFER_USAGE_PIXEL, + surf->stride * surf->nblocksy); + if(!surf->buffer) + return -1; + + return 0; +} + +static void +aub_i915_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s) +{ + struct pipe_surface *surf = *s; + surf->refcount--; + if (surf->refcount == 0) { + if (surf->buffer) + winsys_buffer_reference(winsys, &surf->buffer, NULL); + free(surf); + } + *s = NULL; +} + + + +static const char * +aub_get_name( struct pipe_winsys *winsys ) +{ + return "Aub/xlib"; +} + +static void +xlib_brw_destroy_pipe_winsys_aub( struct pipe_winsys *winsys ) + +{ + struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys); + brw_aub_destroy(iws->aubfile); + free(iws->pool); + free(iws); +} + + + +struct pipe_winsys * +xlib_create_brw_winsys( void ) +{ + struct aub_pipe_winsys *iws = CALLOC_STRUCT( aub_pipe_winsys ); + + /* Fill in this struct with callbacks that pipe will need to + * communicate with the window system, buffer manager, etc. + * + * Pipe would be happy with a malloc based memory manager, but + * the SwapBuffers implementation in this winsys driver requires + * that rendering be done to an appropriate _DriBufferObject. + */ + iws->winsys.buffer_create = aub_buffer_create; + iws->winsys.user_buffer_create = aub_user_buffer_create; + iws->winsys.buffer_map = aub_buffer_map; + iws->winsys.buffer_unmap = aub_buffer_unmap; + iws->winsys.buffer_destroy = aub_buffer_destroy; + iws->winsys.flush_frontbuffer = aub_flush_frontbuffer; + iws->winsys.get_name = aub_get_name; + iws->winsys.destroy = xlib_brw_destroy_pipe_winsys_aub; + + iws->winsys.surface_alloc = aub_i915_surface_alloc; + iws->winsys.surface_alloc_storage = aub_i915_surface_alloc_storage; + iws->winsys.surface_release = aub_i915_surface_release; + + iws->aubfile = brw_aubfile_create(); + iws->size = AUB_BUF_SIZE; + iws->pool = malloc(AUB_BUF_SIZE); + + /* HACK: static copy of this pointer: + */ + assert(global_winsys == NULL); + global_winsys = iws; + + return &iws->winsys; +} + + +struct pipe_screen * +xlib_create_brw_screen( struct pipe_winsys *winsys ) +{ + return brw_create_screen(winsys, 0/* XXX pci_id */); +} + + +/* These per-screen functions are acually made available to the driver + * through the brw_winsys (per-context) entity. + */ +unsigned xlib_brw_get_buffer_offset( struct pipe_winsys *pws, + struct pipe_buffer *buf, + unsigned access_flags ) +{ + return aub_bo(buf)->offset; +} + +void xlib_brw_buffer_subdata_typed( struct pipe_winsys *pws, + struct pipe_buffer *buf, + unsigned long offset, + unsigned long size, + const void *data, + unsigned data_type ) +{ + unsigned aub_type = DW_GENERAL_STATE; + unsigned aub_sub_type; + + switch (data_type) { + case BRW_CC_VP: + aub_sub_type = DWGS_COLOR_CALC_VIEWPORT_STATE; + break; + case BRW_CC_UNIT: + aub_sub_type = DWGS_COLOR_CALC_STATE; + break; + case BRW_WM_PROG: + aub_sub_type = DWGS_KERNEL_INSTRUCTIONS; + break; + case BRW_SAMPLER_DEFAULT_COLOR: + aub_sub_type = DWGS_SAMPLER_DEFAULT_COLOR; + break; + case BRW_SAMPLER: + aub_sub_type = DWGS_SAMPLER_STATE; + break; + case BRW_WM_UNIT: + aub_sub_type = DWGS_WINDOWER_IZ_STATE; + break; + case BRW_SF_PROG: + aub_sub_type = DWGS_KERNEL_INSTRUCTIONS; + break; + case BRW_SF_VP: + aub_sub_type = DWGS_STRIPS_FANS_VIEWPORT_STATE; + break; + case BRW_SF_UNIT: + aub_sub_type = DWGS_STRIPS_FANS_STATE; + break; + case BRW_VS_UNIT: + aub_sub_type = DWGS_VERTEX_SHADER_STATE; + break; + case BRW_VS_PROG: + aub_sub_type = DWGS_KERNEL_INSTRUCTIONS; + break; + case BRW_GS_UNIT: + aub_sub_type = DWGS_GEOMETRY_SHADER_STATE; + break; + case BRW_GS_PROG: + aub_sub_type = DWGS_KERNEL_INSTRUCTIONS; + break; + case BRW_CLIP_VP: + aub_sub_type = DWGS_CLIPPER_VIEWPORT_STATE; + break; + case BRW_CLIP_UNIT: + aub_sub_type = DWGS_CLIPPER_STATE; + break; + case BRW_CLIP_PROG: + aub_sub_type = DWGS_KERNEL_INSTRUCTIONS; + break; + case BRW_SS_SURFACE: + aub_type = DW_SURFACE_STATE; + aub_sub_type = DWSS_SURFACE_STATE; + break; + case BRW_SS_SURF_BIND: + aub_type = DW_SURFACE_STATE; + aub_sub_type = DWSS_BINDING_TABLE_STATE; + break; + case BRW_CONSTANT_BUFFER: + aub_type = DW_CONSTANT_URB_ENTRY; + aub_sub_type = 0; + break; + + default: + assert(0); + break; + } + + { + struct aub_pipe_winsys *iws = aub_pipe_winsys(pws); + struct aub_buffer *sbo = aub_bo(buf); + + assert(sbo->size > offset + size); + memcpy(sbo->data + offset, data, size); + + brw_aub_gtt_data( iws->aubfile, + sbo->offset + offset, + sbo->data + offset, + size, + aub_type, + aub_sub_type ); + } +} + + +void +xlib_brw_display_surface(struct xmesa_buffer *b, + struct pipe_surface *surf) +{ + brw_aub_dump_bmp( global_winsys->aubfile, + surf, + aub_bo(surf->buffer)->offset ); +} -- cgit v1.2.3