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/**************************************************************************
*
* 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/internal/p_winsys_screen.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "i965simple/brw_winsys.h"
#include "i965simple/brw_screen.h"
#include "i965simple/brw_context.h"
#include "xlib_brw_aub.h"
#include "xlib_brw.h"
#include "xlib.h"
static struct pipe_buffer *
buffer_from_surface(struct pipe_surface *surface)
{
struct brw_texture *texture = (struct brw_texture *)surface;
return texture->buffer;
}
struct aub_buffer {
struct pipe_reference reference;
char *data;
unsigned offset;
unsigned size;
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_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);
pipe_reference_init(&sbo->reference, 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(buffer_from_surface(surface))->offset );
}
/**
* Round n up to next multiple.
*/
static INLINE unsigned
round_up(unsigned n, unsigned multiple)
{
return (n + multiple - 1) & ~(multiple - 1);
}
static struct pipe_buffer *
aub_i915_surface_buffer_create(struct pipe_winsys *winsys,
unsigned width, unsigned height,
enum pipe_format format,
unsigned usage,
unsigned *stride)
{
const unsigned alignment = 64;
struct pipe_format_block block;
unsigned nblocksx, nblocksy;
pf_get_block(format, &block);
nblocksx = pf_get_nblocksx(&block, width);
nblocksy = pf_get_nblocksy(&block, height);
*stride = round_up(nblocksx * block.size, alignment);
return winsys->buffer_create(winsys, alignment,
usage,
*stride * nblocksy);
}
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);
}
static 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_buffer_create = aub_i915_surface_buffer_create;
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;
}
static struct pipe_screen *
xlib_create_brw_screen( void )
{
#ifndef GALLIUM_CELL
struct pipe_winsys *winsys;
struct pipe_screen *screen;
winsys = xlib_create_brw_winsys();
if (winsys == NULL)
return NULL;
screen = brw_create_screen(winsys, 0/* XXX pci_id */);
if (screen == NULL)
goto fail;
return screen;
fail:
if (winsys)
winsys->destroy( winsys );
#endif
return NULL;
}
/* 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 );
}
}
static void
xlib_brw_display_surface(struct xmesa_buffer *b,
struct pipe_surface *surf)
{
brw_aub_dump_bmp( global_winsys->aubfile,
surf,
aub_bo(buffer_from_surface(surf))->offset );
}
struct xm_driver xlib_brw_driver =
{
.create_pipe_screen = xlib_create_brw_screen,
.create_pipe_context = xlib_create_brw_context,
.display_surface = xlib_brw_display_surface,
};
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