2009-10-08 12:51:46 +01:00
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/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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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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*
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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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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "util/u_memory.h"
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#include "lp_state.h"
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#include "lp_rast.h"
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2009-10-08 17:26:13 +01:00
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#include "lp_rast_priv.h"
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#include "lp_tile_soa.h"
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#include "lp_bld_debug.h"
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2009-10-08 12:51:46 +01:00
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2009-10-09 14:02:39 +01:00
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#define RAST_DEBUG debug_printf
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2009-10-07 22:36:43 +01:00
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2009-10-09 14:29:25 +01:00
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struct lp_rasterizer *lp_rast_create( struct pipe_screen *screen )
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2009-10-07 22:36:43 +01:00
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{
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2009-10-08 17:59:44 +01:00
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struct lp_rasterizer *rast;
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rast = CALLOC_STRUCT(lp_rasterizer);
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if(!rast)
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return NULL;
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2009-10-09 14:29:25 +01:00
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rast->screen = screen;
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2009-10-08 17:59:44 +01:00
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rast->tile.color = align_malloc( TILE_SIZE*TILE_SIZE*4, 16 );
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rast->tile.depth = align_malloc( TILE_SIZE*TILE_SIZE*4, 16 );
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return rast;
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2009-10-07 22:36:43 +01:00
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}
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2009-10-09 10:24:19 +01:00
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2009-11-30 21:02:01 +00:00
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/**
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* Begin the rasterization phase.
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* Map the framebuffer surfaces. Initialize the 'rast' state.
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*/
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2009-10-09 14:29:25 +01:00
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boolean lp_rast_begin( struct lp_rasterizer *rast,
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struct pipe_surface *cbuf,
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struct pipe_surface *zsbuf,
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boolean write_color,
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boolean write_zstencil,
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unsigned width,
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unsigned height )
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2009-10-09 10:24:19 +01:00
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{
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2009-10-09 14:29:25 +01:00
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struct pipe_screen *screen = rast->screen;
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2009-10-09 14:02:39 +01:00
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RAST_DEBUG("%s %dx%d\n", __FUNCTION__, width, height);
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2009-10-09 14:29:25 +01:00
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pipe_surface_reference(&rast->state.cbuf, cbuf);
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pipe_surface_reference(&rast->state.zsbuf, zsbuf);
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2009-10-09 10:24:19 +01:00
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rast->width = width;
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rast->height = height;
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2009-10-09 14:29:25 +01:00
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rast->state.write_zstencil = write_zstencil;
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rast->state.write_color = write_color;
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2009-10-21 15:21:11 +01:00
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rast->check_for_clipped_tiles = (width % TILE_SIZE != 0 ||
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height % TILE_SIZE != 0);
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2009-10-09 10:24:19 +01:00
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2009-10-09 14:29:25 +01:00
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if (cbuf) {
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rast->cbuf_transfer = screen->get_tex_transfer(rast->screen,
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cbuf->texture,
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cbuf->face,
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cbuf->level,
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cbuf->zslice,
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PIPE_TRANSFER_READ_WRITE,
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0, 0, width, height);
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if (!rast->cbuf_transfer)
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return FALSE;
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rast->cbuf_map = screen->transfer_map(rast->screen,
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rast->cbuf_transfer);
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if (!rast->cbuf_map)
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return FALSE;
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}
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2009-10-09 14:02:39 +01:00
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2009-10-09 14:29:25 +01:00
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return TRUE;
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2009-10-08 19:58:28 +01:00
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}
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2009-10-09 14:29:25 +01:00
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2009-11-30 21:02:01 +00:00
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/**
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* Finish the rasterization phase.
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* Unmap framebuffer surfaces.
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*/
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2009-10-09 14:29:25 +01:00
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void lp_rast_end( struct lp_rasterizer *rast )
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2009-10-08 19:58:28 +01:00
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{
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2009-10-09 14:29:25 +01:00
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struct pipe_screen *screen = rast->screen;
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2009-10-09 14:02:39 +01:00
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2009-10-09 14:29:25 +01:00
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if (rast->cbuf_map)
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screen->transfer_unmap(screen, rast->cbuf_transfer);
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if (rast->zsbuf_map)
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screen->transfer_unmap(screen, rast->zsbuf_transfer);
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if (rast->cbuf_transfer)
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screen->tex_transfer_destroy(rast->cbuf_transfer);
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if (rast->zsbuf_transfer)
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screen->tex_transfer_destroy(rast->cbuf_transfer);
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rast->cbuf_transfer = NULL;
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rast->zsbuf_transfer = NULL;
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rast->cbuf_map = NULL;
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rast->zsbuf_map = NULL;
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2009-10-07 22:36:43 +01:00
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}
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2009-10-08 17:20:40 +01:00
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2009-11-30 21:02:01 +00:00
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/**
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* Begining rasterization of a tile.
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* \param x window X position of the tile, in pixels
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* \param y window Y position of the tile, in pixels
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2009-10-07 22:36:43 +01:00
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*/
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2009-10-08 17:59:44 +01:00
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void lp_rast_start_tile( struct lp_rasterizer *rast,
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2009-10-07 22:36:43 +01:00
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unsigned x,
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unsigned y )
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{
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2009-10-09 14:07:25 +01:00
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RAST_DEBUG("%s %d,%d\n", __FUNCTION__, x, y);
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2009-10-09 14:02:39 +01:00
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2009-10-07 22:36:43 +01:00
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rast->x = x;
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rast->y = y;
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}
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2009-11-30 21:02:01 +00:00
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/**
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* Clear the rasterizer's current color tile.
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*/
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2009-10-08 17:20:40 +01:00
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void lp_rast_clear_color( struct lp_rasterizer *rast,
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2009-10-09 11:29:01 +01:00
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const union lp_rast_cmd_arg arg )
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2009-10-07 22:36:43 +01:00
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{
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2009-10-09 11:29:01 +01:00
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const uint8_t *clear_color = arg.clear_color;
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2009-10-07 22:36:43 +01:00
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2009-12-02 22:13:45 +00:00
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RAST_DEBUG("%s 0x%x,0x%x,0x%x,0x%x\n", __FUNCTION__,
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2009-10-09 14:07:25 +01:00
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clear_color[0],
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clear_color[1],
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clear_color[2],
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clear_color[3]);
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2009-10-09 14:02:39 +01:00
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2009-10-08 17:59:44 +01:00
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if (clear_color[0] == clear_color[1] &&
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clear_color[1] == clear_color[2] &&
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clear_color[2] == clear_color[3]) {
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memset(rast->tile.color, clear_color[0], TILE_SIZE * TILE_SIZE * 4);
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}
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else {
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2009-10-08 19:16:47 +01:00
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unsigned x, y, chan;
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2009-10-08 17:59:44 +01:00
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for (y = 0; y < TILE_SIZE; y++)
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for (x = 0; x < TILE_SIZE; x++)
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for (chan = 0; chan < 4; ++chan)
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TILE_PIXEL(rast->tile.color, x, y, chan) = clear_color[chan];
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}
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2009-10-07 22:36:43 +01:00
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}
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2009-11-30 21:02:01 +00:00
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/**
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* Clear the rasterizer's current z/stencil tile.
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*/
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2009-10-08 17:20:40 +01:00
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void lp_rast_clear_zstencil( struct lp_rasterizer *rast,
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2009-10-09 11:29:01 +01:00
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const union lp_rast_cmd_arg arg)
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2009-10-07 22:36:43 +01:00
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{
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unsigned i, j;
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2009-12-02 22:13:45 +00:00
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RAST_DEBUG("%s 0x%x\n", __FUNCTION__, arg.clear_zstencil);
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2009-10-09 14:02:39 +01:00
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2009-10-08 17:59:44 +01:00
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for (i = 0; i < TILE_SIZE; i++)
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for (j = 0; j < TILE_SIZE; j++)
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2009-10-09 11:29:01 +01:00
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rast->tile.depth[i*TILE_SIZE + j] = arg.clear_zstencil;
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2009-10-07 22:36:43 +01:00
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}
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2009-10-08 17:20:40 +01:00
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void lp_rast_load_color( struct lp_rasterizer *rast,
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2009-10-09 11:29:01 +01:00
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const union lp_rast_cmd_arg arg)
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2009-10-07 22:36:43 +01:00
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{
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2009-10-09 14:02:39 +01:00
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RAST_DEBUG("%s\n", __FUNCTION__);
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2009-10-07 22:36:43 +01:00
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/* call u_tile func to load colors from surface */
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}
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2009-10-08 17:20:40 +01:00
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void lp_rast_load_zstencil( struct lp_rasterizer *rast,
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2009-10-09 11:29:01 +01:00
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const union lp_rast_cmd_arg arg )
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2009-10-07 22:36:43 +01:00
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{
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2009-10-09 14:02:39 +01:00
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RAST_DEBUG("%s\n", __FUNCTION__);
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2009-10-07 22:36:43 +01:00
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/* call u_tile func to load depth (and stencil?) from surface */
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}
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/* Within a tile:
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*/
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2009-10-08 11:47:33 +01:00
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2009-10-07 22:36:43 +01:00
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void lp_rast_shade_tile( struct lp_rasterizer *rast,
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2009-10-09 11:29:01 +01:00
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const union lp_rast_cmd_arg arg )
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2009-10-07 22:36:43 +01:00
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{
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2009-10-09 11:29:01 +01:00
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const struct lp_rast_shader_inputs *inputs = arg.shade_tile;
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2009-10-20 02:46:00 +01:00
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const unsigned mask = ~0;
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2009-10-08 19:16:47 +01:00
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unsigned x, y;
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2009-10-07 22:36:43 +01:00
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2009-10-09 14:02:39 +01:00
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RAST_DEBUG("%s\n", __FUNCTION__);
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2009-10-19 17:10:48 +01:00
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/* Use the existing preference for 4x4 (four quads) shading:
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2009-10-07 22:36:43 +01:00
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*/
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2009-10-19 17:10:48 +01:00
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for (y = 0; y < TILE_SIZE; y += 4)
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for (x = 0; x < TILE_SIZE; x += 4)
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2009-10-20 02:46:00 +01:00
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lp_rast_shade_quads( rast, inputs, rast->x + x, rast->y + y, mask);
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2009-10-07 22:36:43 +01:00
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}
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2009-10-08 12:44:30 +01:00
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2009-12-02 22:13:45 +00:00
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/**
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* Compute shading for a 4x4 block of pixels.
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*/
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2009-10-08 19:03:14 +01:00
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void lp_rast_shade_quads( struct lp_rasterizer *rast,
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const struct lp_rast_shader_inputs *inputs,
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unsigned x, unsigned y,
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2009-10-20 02:46:00 +01:00
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unsigned mask)
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2009-10-08 12:44:30 +01:00
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{
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2009-10-09 19:16:36 +01:00
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#if 1
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2009-10-09 15:52:18 +01:00
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const struct lp_rast_state *state = inputs->state;
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2009-10-08 19:03:14 +01:00
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struct lp_rast_tile *tile = &rast->tile;
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2009-10-08 19:16:47 +01:00
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void *color;
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void *depth;
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2009-10-20 03:17:17 +01:00
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uint32_t ALIGN16_ATTRIB masks[2][2][2][2];
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unsigned ix, iy;
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2009-12-02 22:13:45 +00:00
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int block_offset;
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2009-10-08 12:44:30 +01:00
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/* Sanity checks */
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assert(x % TILE_VECTOR_WIDTH == 0);
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assert(y % TILE_VECTOR_HEIGHT == 0);
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2009-10-20 03:17:17 +01:00
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/* mask: the rasterizer wants to treat pixels in 4x4 blocks, but
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* the pixel shader wants to swizzle them into 4 2x2 quads.
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*
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* Additionally, the pixel shader wants masks as full dword ~0,
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* while the rasterizer wants to pack per-pixel bits tightly.
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*/
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#if 0
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unsigned qx, qy;
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for (qy = 0; qy < 2; ++qy)
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for (qx = 0; qx < 2; ++qx)
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for (iy = 0; iy < 2; ++iy)
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for (ix = 0; ix < 2; ++ix)
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masks[qy][qx][iy][ix] = mask & (1 << (qy*8+iy*4+qx*2+ix)) ? ~0 : 0;
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#else
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masks[0][0][0][0] = mask & (1 << (0*8+0*4+0*2+0)) ? ~0 : 0;
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masks[0][0][0][1] = mask & (1 << (0*8+0*4+0*2+1)) ? ~0 : 0;
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masks[0][0][1][0] = mask & (1 << (0*8+1*4+0*2+0)) ? ~0 : 0;
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masks[0][0][1][1] = mask & (1 << (0*8+1*4+0*2+1)) ? ~0 : 0;
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masks[0][1][0][0] = mask & (1 << (0*8+0*4+1*2+0)) ? ~0 : 0;
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masks[0][1][0][1] = mask & (1 << (0*8+0*4+1*2+1)) ? ~0 : 0;
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masks[0][1][1][0] = mask & (1 << (0*8+1*4+1*2+0)) ? ~0 : 0;
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masks[0][1][1][1] = mask & (1 << (0*8+1*4+1*2+1)) ? ~0 : 0;
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masks[1][0][0][0] = mask & (1 << (1*8+0*4+0*2+0)) ? ~0 : 0;
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masks[1][0][0][1] = mask & (1 << (1*8+0*4+0*2+1)) ? ~0 : 0;
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masks[1][0][1][0] = mask & (1 << (1*8+1*4+0*2+0)) ? ~0 : 0;
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masks[1][0][1][1] = mask & (1 << (1*8+1*4+0*2+1)) ? ~0 : 0;
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masks[1][1][0][0] = mask & (1 << (1*8+0*4+1*2+0)) ? ~0 : 0;
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masks[1][1][0][1] = mask & (1 << (1*8+0*4+1*2+1)) ? ~0 : 0;
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masks[1][1][1][0] = mask & (1 << (1*8+1*4+1*2+0)) ? ~0 : 0;
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masks[1][1][1][1] = mask & (1 << (1*8+1*4+1*2+1)) ? ~0 : 0;
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#endif
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2009-10-20 02:46:00 +01:00
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2009-12-02 22:13:45 +00:00
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assert((x % 2) == 0);
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assert((y % 2) == 0);
|
|
|
|
|
2009-10-09 19:16:36 +01:00
|
|
|
ix = x % TILE_SIZE;
|
|
|
|
iy = y % TILE_SIZE;
|
|
|
|
|
2009-12-02 22:13:45 +00:00
|
|
|
/* offset of the 16x16 pixel block within the tile */
|
|
|
|
block_offset = ((iy/4)*(16*16) + (ix/4)*16);
|
|
|
|
|
2009-10-08 12:44:30 +01:00
|
|
|
/* color buffer */
|
2009-12-02 22:13:45 +00:00
|
|
|
color = tile->color + 4 * block_offset;
|
2009-10-08 12:44:30 +01:00
|
|
|
|
|
|
|
/* depth buffer */
|
2009-12-02 22:13:45 +00:00
|
|
|
depth = tile->depth + block_offset;
|
2009-10-08 12:44:30 +01:00
|
|
|
|
|
|
|
/* XXX: This will most likely fail on 32bit x86 without -mstackrealign */
|
2009-10-19 17:10:48 +01:00
|
|
|
assert(lp_check_alignment(masks, 16));
|
2009-10-08 12:44:30 +01:00
|
|
|
|
|
|
|
assert(lp_check_alignment(depth, 16));
|
|
|
|
assert(lp_check_alignment(color, 16));
|
2009-10-09 15:52:18 +01:00
|
|
|
assert(lp_check_alignment(state->jit_context.blend_color, 16));
|
2009-10-08 12:44:30 +01:00
|
|
|
|
|
|
|
/* run shader */
|
2009-10-09 15:52:18 +01:00
|
|
|
state->jit_function( &state->jit_context,
|
2009-10-09 19:16:36 +01:00
|
|
|
x, y,
|
2009-10-09 15:52:18 +01:00
|
|
|
inputs->a0,
|
|
|
|
inputs->dadx,
|
|
|
|
inputs->dady,
|
2009-10-20 03:17:17 +01:00
|
|
|
&masks[0][0][0][0],
|
2009-10-09 15:52:18 +01:00
|
|
|
color,
|
|
|
|
depth);
|
2009-10-09 19:16:36 +01:00
|
|
|
#else
|
|
|
|
struct lp_rast_tile *tile = &rast->tile;
|
|
|
|
unsigned chan_index;
|
|
|
|
unsigned q, ix, iy;
|
|
|
|
|
|
|
|
x %= TILE_SIZE;
|
|
|
|
y %= TILE_SIZE;
|
|
|
|
|
|
|
|
/* mask */
|
|
|
|
for (q = 0; q < 4; ++q)
|
|
|
|
for(iy = 0; iy < 2; ++iy)
|
|
|
|
for(ix = 0; ix < 2; ++ix)
|
|
|
|
if(masks[q] & (1 << (iy*2 + ix)))
|
|
|
|
for (chan_index = 0; chan_index < NUM_CHANNELS; ++chan_index)
|
|
|
|
TILE_PIXEL(tile->color, x + q*2 + ix, y + iy, chan_index) = 0xff;
|
2009-10-08 12:44:30 +01:00
|
|
|
|
2009-10-09 19:16:36 +01:00
|
|
|
#endif
|
2009-10-08 12:44:30 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-10-07 22:36:43 +01:00
|
|
|
/* End of tile:
|
|
|
|
*/
|
2009-10-08 17:59:44 +01:00
|
|
|
|
|
|
|
|
2009-11-30 21:02:01 +00:00
|
|
|
/**
|
|
|
|
* Write the rasterizer's color tile to the framebuffer.
|
|
|
|
*/
|
2009-10-09 10:37:24 +01:00
|
|
|
static void lp_rast_store_color( struct lp_rasterizer *rast )
|
2009-10-07 22:36:43 +01:00
|
|
|
{
|
2009-10-08 17:59:44 +01:00
|
|
|
const unsigned x = rast->x;
|
|
|
|
const unsigned y = rast->y;
|
2009-10-21 15:21:11 +01:00
|
|
|
unsigned w = TILE_SIZE;
|
|
|
|
unsigned h = TILE_SIZE;
|
2009-10-08 17:59:44 +01:00
|
|
|
|
2009-10-09 16:19:00 +01:00
|
|
|
if (x + w > rast->width)
|
|
|
|
w -= x + w - rast->width;
|
|
|
|
|
|
|
|
if (y + h > rast->height)
|
|
|
|
h -= y + h - rast->height;
|
|
|
|
|
|
|
|
RAST_DEBUG("%s %d,%d %dx%d\n", __FUNCTION__, x, y, w, h);
|
2009-10-07 22:36:43 +01:00
|
|
|
|
2009-10-09 14:29:25 +01:00
|
|
|
lp_tile_write_4ub(rast->cbuf_transfer->format,
|
|
|
|
rast->tile.color,
|
|
|
|
rast->cbuf_map,
|
|
|
|
rast->cbuf_transfer->stride,
|
|
|
|
x, y,
|
2009-10-09 16:19:00 +01:00
|
|
|
w, h);
|
2009-10-07 22:36:43 +01:00
|
|
|
}
|
|
|
|
|
2009-10-09 10:37:24 +01:00
|
|
|
|
2009-11-30 21:02:01 +00:00
|
|
|
/**
|
|
|
|
* Write the rasterizer's z/stencil tile to the framebuffer.
|
|
|
|
*/
|
2009-10-09 10:37:24 +01:00
|
|
|
static void lp_rast_store_zstencil( struct lp_rasterizer *rast )
|
|
|
|
{
|
2009-10-09 14:02:39 +01:00
|
|
|
RAST_DEBUG("%s\n", __FUNCTION__);
|
|
|
|
|
2009-10-09 10:37:24 +01:00
|
|
|
/* FIXME: call u_tile func to store depth/stencil to surface */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-30 21:02:01 +00:00
|
|
|
/**
|
|
|
|
* Write the rasterizer's tiles to the framebuffer.
|
|
|
|
*/
|
2009-10-09 10:37:24 +01:00
|
|
|
void lp_rast_end_tile( struct lp_rasterizer *rast )
|
|
|
|
{
|
2009-10-09 14:02:39 +01:00
|
|
|
RAST_DEBUG("%s\n", __FUNCTION__);
|
|
|
|
|
2009-10-09 10:37:24 +01:00
|
|
|
if (rast->state.write_color)
|
|
|
|
lp_rast_store_color(rast);
|
|
|
|
|
|
|
|
if (rast->state.write_zstencil)
|
|
|
|
lp_rast_store_zstencil(rast);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-10-07 22:36:43 +01:00
|
|
|
/* Shutdown:
|
|
|
|
*/
|
|
|
|
void lp_rast_destroy( struct lp_rasterizer *rast )
|
|
|
|
{
|
2009-10-08 19:16:47 +01:00
|
|
|
pipe_surface_reference(&rast->state.cbuf, NULL);
|
|
|
|
pipe_surface_reference(&rast->state.zsbuf, NULL);
|
2009-10-08 17:59:44 +01:00
|
|
|
align_free(rast->tile.depth);
|
|
|
|
align_free(rast->tile.color);
|
2009-10-07 22:36:43 +01:00
|
|
|
FREE(rast);
|
|
|
|
}
|
|
|
|
|