Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2012-2013 Rob Clark <robclark@freedesktop.org>
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the next
  14.  * paragraph) shall be included in all copies or substantial portions of the
  15.  * Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23.  * SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Rob Clark <robclark@freedesktop.org>
  27.  */
  28.  
  29.  
  30. #include "pipe/p_state.h"
  31. #include "util/u_string.h"
  32. #include "util/u_memory.h"
  33.  
  34. #include "fd2_rasterizer.h"
  35. #include "fd2_context.h"
  36. #include "fd2_util.h"
  37.  
  38.  
  39. void *
  40. fd2_rasterizer_state_create(struct pipe_context *pctx,
  41.                 const struct pipe_rasterizer_state *cso)
  42. {
  43.         struct fd2_rasterizer_stateobj *so;
  44.         float psize_min, psize_max;
  45.  
  46.         so = CALLOC_STRUCT(fd2_rasterizer_stateobj);
  47.         if (!so)
  48.                 return NULL;
  49.  
  50.         if (cso->point_size_per_vertex) {
  51.                 psize_min = util_get_min_point_size(cso);
  52.                 psize_max = 8192;
  53.         } else {
  54.                 /* Force the point size to be as if the vertex output was disabled. */
  55.                 psize_min = cso->point_size;
  56.                 psize_max = cso->point_size;
  57.         }
  58.  
  59.         so->base = *cso;
  60.  
  61.         so->pa_sc_line_stipple = cso->line_stipple_enable ?
  62.                 A2XX_PA_SC_LINE_STIPPLE_LINE_PATTERN(cso->line_stipple_pattern) |
  63.                 A2XX_PA_SC_LINE_STIPPLE_REPEAT_COUNT(cso->line_stipple_factor) : 0;
  64.  
  65.         so->pa_cl_clip_cntl = 0; // TODO
  66.  
  67.         so->pa_su_vtx_cntl =
  68.                 A2XX_PA_SU_VTX_CNTL_PIX_CENTER(cso->half_pixel_center ? PIXCENTER_OGL : PIXCENTER_D3D) |
  69.                 A2XX_PA_SU_VTX_CNTL_QUANT_MODE(ONE_SIXTEENTH);
  70.  
  71.         so->pa_su_point_size =
  72.                 A2XX_PA_SU_POINT_SIZE_HEIGHT(cso->point_size/2) |
  73.                 A2XX_PA_SU_POINT_SIZE_WIDTH(cso->point_size/2);
  74.  
  75.         so->pa_su_point_minmax =
  76.                 A2XX_PA_SU_POINT_MINMAX_MIN(psize_min/2) |
  77.                 A2XX_PA_SU_POINT_MINMAX_MAX(psize_max/2);
  78.  
  79.         so->pa_su_line_cntl =
  80.                 A2XX_PA_SU_LINE_CNTL_WIDTH(cso->line_width/2);
  81.  
  82.         so->pa_su_sc_mode_cntl =
  83.                 A2XX_PA_SU_SC_MODE_CNTL_VTX_WINDOW_OFFSET_ENABLE |
  84.                 A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) |
  85.                 A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(fd_polygon_mode(cso->fill_back));
  86.  
  87.         if (cso->cull_face & PIPE_FACE_FRONT)
  88.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_FRONT;
  89.         if (cso->cull_face & PIPE_FACE_BACK)
  90.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_BACK;
  91.         if (!cso->flatshade_first)
  92.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST;
  93.         if (!cso->front_ccw)
  94.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_FACE;
  95.         if (cso->line_stipple_enable)
  96.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_LINE_STIPPLE_ENABLE;
  97.         if (cso->multisample)
  98.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_MSAA_ENABLE;
  99.  
  100.         if (cso->fill_front != PIPE_POLYGON_MODE_FILL ||
  101.                         cso->fill_back != PIPE_POLYGON_MODE_FILL)
  102.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DUALMODE);
  103.         else
  104.                 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DISABLED);
  105.  
  106.         if (cso->offset_tri)
  107.                 so->pa_su_sc_mode_cntl |=
  108.                         A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_FRONT_ENABLE |
  109.                         A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_BACK_ENABLE |
  110.                         A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_PARA_ENABLE;
  111.  
  112.         return so;
  113. }
  114.