src/mesa/drivers/dri/nouveau/nv10_state_polygon.c

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_gldefs.h"
  30 #include "nouveau_util.h"
  31 #include "nv10_3d.xml.h"
  32 #include "nv10_driver.h"
  33
  34 void
  35 nv10_emit_cull_face(struct gl_context *ctx, int emit)
  36 {
  37         struct nouveau_channel *chan = context_chan(ctx);
  38         struct nouveau_grobj *celsius = context_eng3d(ctx);
  39         GLenum mode = ctx->Polygon.CullFaceMode;
  40
  41         BEGIN_RING(chan, celsius, NV10_3D_CULL_FACE_ENABLE, 1);
  42         OUT_RINGb(chan, ctx->Polygon.CullFlag);
  43
  44         BEGIN_RING(chan, celsius, NV10_3D_CULL_FACE, 1);
  45         OUT_RING(chan, (mode == GL_FRONT ? NV10_3D_CULL_FACE_FRONT :
  46                         mode == GL_BACK ? NV10_3D_CULL_FACE_BACK :
  47                         NV10_3D_CULL_FACE_FRONT_AND_BACK));
  48 }
  49
  50 void
  51 nv10_emit_front_face(struct gl_context *ctx, int emit)
  52 {
  53         struct nouveau_channel *chan = context_chan(ctx);
  54         struct nouveau_grobj *celsius = context_eng3d(ctx);
  55
  56         BEGIN_RING(chan, celsius, NV10_3D_FRONT_FACE, 1);
  57         OUT_RING(chan, ctx->Polygon.FrontFace == GL_CW ?
  58                  NV10_3D_FRONT_FACE_CW : NV10_3D_FRONT_FACE_CCW);
  59 }
  60
  61 void
  62 nv10_emit_line_mode(struct gl_context *ctx, int emit)
  63 {
  64         struct nouveau_channel *chan = context_chan(ctx);
  65         struct nouveau_grobj *celsius = context_eng3d(ctx);
  66         GLboolean smooth = ctx->Line.SmoothFlag &&
  67                 ctx->Hint.LineSmooth == GL_NICEST;
  68
  69         BEGIN_RING(chan, celsius, NV10_3D_LINE_WIDTH, 1);
  70         OUT_RING(chan, MAX2(smooth ? 0 : 1,
  71                             ctx->Line.Width) * 8);
  72         BEGIN_RING(chan, celsius, NV10_3D_LINE_SMOOTH_ENABLE, 1);
  73         OUT_RINGb(chan, smooth);
  74 }
  75
  76 void
  77 nv10_emit_line_stipple(struct gl_context *ctx, int emit)
  78 {
  79 }
  80
  81 void
  82 nv10_emit_point_mode(struct gl_context *ctx, int emit)
  83 {
  84         struct nouveau_channel *chan = context_chan(ctx);
  85         struct nouveau_grobj *celsius = context_eng3d(ctx);
  86
  87         BEGIN_RING(chan, celsius, NV10_3D_POINT_SIZE, 1);
  88         OUT_RING(chan, (uint32_t)(ctx->Point.Size * 8));
  89
  90         BEGIN_RING(chan, celsius, NV10_3D_POINT_SMOOTH_ENABLE, 1);
  91         OUT_RINGb(chan, ctx->Point.SmoothFlag);
  92 }
  93
  94 void
  95 nv10_emit_polygon_mode(struct gl_context *ctx, int emit)
  96 {
  97         struct nouveau_channel *chan = context_chan(ctx);
  98         struct nouveau_grobj *celsius = context_eng3d(ctx);
  99
 100         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_MODE_FRONT, 2);
 101         OUT_RING(chan, nvgl_polygon_mode(ctx->Polygon.FrontMode));
 102         OUT_RING(chan, nvgl_polygon_mode(ctx->Polygon.BackMode));
 103
 104         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_SMOOTH_ENABLE, 1);
 105         OUT_RINGb(chan, ctx->Polygon.SmoothFlag);
 106 }
 107
 108 void
 109 nv10_emit_polygon_offset(struct gl_context *ctx, int emit)
 110 {
 111         struct nouveau_channel *chan = context_chan(ctx);
 112         struct nouveau_grobj *celsius = context_eng3d(ctx);
 113
 114         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_OFFSET_POINT_ENABLE, 3);
 115         OUT_RINGb(chan, ctx->Polygon.OffsetPoint);
 116         OUT_RINGb(chan, ctx->Polygon.OffsetLine);
 117         OUT_RINGb(chan, ctx->Polygon.OffsetFill);
 118
 119         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_OFFSET_FACTOR, 2);
 120         OUT_RINGf(chan, ctx->Polygon.OffsetFactor);
 121         OUT_RINGf(chan, ctx->Polygon.OffsetUnits);
 122 }
 123
 124 void
 125 nv10_emit_polygon_stipple(struct gl_context *ctx, int emit)
 126 {
 127 }