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* Copyright (C) 2012-2013 Rob Clark <robclark@freedesktop.org>
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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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 NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* Rob Clark <robclark@freedesktop.org>
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#include "pipe/p_state.h"
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#include "util/u_memory.h"
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#include "util/u_string.h"
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#include "fd2_context.h"
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#include "fd2_rasterizer.h"
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fd2_rasterizer_state_create(struct pipe_context *pctx,
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const struct pipe_rasterizer_state *cso)
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struct fd2_rasterizer_stateobj *so;
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float psize_min, psize_max;
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so = CALLOC_STRUCT(fd2_rasterizer_stateobj);
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if (cso->point_size_per_vertex) {
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psize_min = util_get_min_point_size(cso);
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psize_max = 8192.0f - 0.0625f;
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/* Force the point size to be as if the vertex output was disabled. */
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psize_min = cso->point_size;
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psize_max = cso->point_size;
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so->pa_sc_line_stipple =
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cso->line_stipple_enable
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? A2XX_PA_SC_LINE_STIPPLE_LINE_PATTERN(cso->line_stipple_pattern) |
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A2XX_PA_SC_LINE_STIPPLE_REPEAT_COUNT(cso->line_stipple_factor)
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so->pa_cl_clip_cntl = 0; // TODO
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A2XX_PA_SU_VTX_CNTL_PIX_CENTER(cso->half_pixel_center ? PIXCENTER_OGL
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A2XX_PA_SU_VTX_CNTL_QUANT_MODE(ONE_SIXTEENTH);
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so->pa_su_point_size = A2XX_PA_SU_POINT_SIZE_HEIGHT(cso->point_size / 2) |
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A2XX_PA_SU_POINT_SIZE_WIDTH(cso->point_size / 2);
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so->pa_su_point_minmax = A2XX_PA_SU_POINT_MINMAX_MIN(psize_min / 2) |
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A2XX_PA_SU_POINT_MINMAX_MAX(psize_max / 2);
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so->pa_su_line_cntl = A2XX_PA_SU_LINE_CNTL_WIDTH(cso->line_width / 2);
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so->pa_su_sc_mode_cntl =
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A2XX_PA_SU_SC_MODE_CNTL_VTX_WINDOW_OFFSET_ENABLE |
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A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) |
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A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(fd_polygon_mode(cso->fill_back));
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if (cso->cull_face & PIPE_FACE_FRONT)
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_FRONT;
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if (cso->cull_face & PIPE_FACE_BACK)
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_BACK;
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if (!cso->flatshade_first)
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST;
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_FACE;
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if (cso->line_stipple_enable)
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_LINE_STIPPLE_ENABLE;
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_MSAA_ENABLE;
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if (cso->fill_front != PIPE_POLYGON_MODE_FILL ||
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cso->fill_back != PIPE_POLYGON_MODE_FILL)
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DUALMODE);
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so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DISABLED);
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so->pa_su_sc_mode_cntl |=
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A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_FRONT_ENABLE |
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A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_BACK_ENABLE |
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A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_PARA_ENABLE;