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_class.h"
  31 #include "nv10_driver.h"
  32
  33 void
  34 nv10_emit_cull_face(struct gl_context *ctx, int emit)
  35 {
  36         struct nouveau_channel *chan = context_chan(ctx);
  37         struct nouveau_grobj *celsius = context_eng3d(ctx);
  38         GLenum mode = ctx->Polygon.CullFaceMode;
  39
  40         BEGIN_RING(chan, celsius, NV10TCL_CULL_FACE_ENABLE, 1);
  41         OUT_RING(chan, ctx->Polygon.CullFlag ? 1 : 0);
  42
  43         BEGIN_RING(chan, celsius, NV10TCL_CULL_FACE, 1);
  44         OUT_RING(chan, (mode == GL_FRONT ? NV10TCL_CULL_FACE_FRONT :
  45                         mode == GL_BACK ? NV10TCL_CULL_FACE_BACK :
  46                         NV10TCL_CULL_FACE_FRONT_AND_BACK));
  47 }
  48
  49 void
  50 nv10_emit_front_face(struct gl_context *ctx, int emit)
  51 {
  52         struct nouveau_channel *chan = context_chan(ctx);
  53         struct nouveau_grobj *celsius = context_eng3d(ctx);
  54
  55         BEGIN_RING(chan, celsius, NV10TCL_FRONT_FACE, 1);
  56         OUT_RING(chan, ctx->Polygon.FrontFace == GL_CW ?
  57                  NV10TCL_FRONT_FACE_CW : NV10TCL_FRONT_FACE_CCW);
  58 }
  59
  60 void
  61 nv10_emit_line_mode(struct gl_context *ctx, int emit)
  62 {
  63         struct nouveau_channel *chan = context_chan(ctx);
  64         struct nouveau_grobj *celsius = context_eng3d(ctx);
  65         GLboolean smooth = ctx->Line.SmoothFlag &&
  66                 ctx->Hint.LineSmooth == GL_NICEST;
  67
  68         BEGIN_RING(chan, celsius, NV10TCL_LINE_WIDTH, 1);
  69         OUT_RING(chan, MAX2(smooth ? 0 : 1,
  70                             ctx->Line.Width) * 8);
  71         BEGIN_RING(chan, celsius, NV10TCL_LINE_SMOOTH_ENABLE, 1);
  72         OUT_RING(chan, smooth ? 1 : 0);
  73 }
  74
  75 void
  76 nv10_emit_line_stipple(struct gl_context *ctx, int emit)
  77 {
  78 }
  79
  80 void
  81 nv10_emit_point_mode(struct gl_context *ctx, int emit)
  82 {
  83         struct nouveau_channel *chan = context_chan(ctx);
  84         struct nouveau_grobj *celsius = context_eng3d(ctx);
  85
  86         BEGIN_RING(chan, celsius, NV10TCL_POINT_SIZE, 1);
  87         OUT_RING(chan, (uint32_t)(ctx->Point.Size * 8));
  88
  89         BEGIN_RING(chan, celsius, NV10TCL_POINT_SMOOTH_ENABLE, 1);
  90         OUT_RING(chan, ctx->Point.SmoothFlag ? 1 : 0);
  91 }
  92
  93 void
  94 nv10_emit_polygon_mode(struct gl_context *ctx, int emit)
  95 {
  96         struct nouveau_channel *chan = context_chan(ctx);
  97         struct nouveau_grobj *celsius = context_eng3d(ctx);
  98
  99         BEGIN_RING(chan, celsius, NV10TCL_POLYGON_MODE_FRONT, 2);
 100         OUT_RING(chan, nvgl_polygon_mode(ctx->Polygon.FrontMode));
 101         OUT_RING(chan, nvgl_polygon_mode(ctx->Polygon.BackMode));
 102
 103         BEGIN_RING(chan, celsius, NV10TCL_POLYGON_SMOOTH_ENABLE, 1);
 104         OUT_RING(chan, ctx->Polygon.SmoothFlag ? 1 : 0);
 105 }
 106
 107 void
 108 nv10_emit_polygon_offset(struct gl_context *ctx, int emit)
 109 {
 110         struct nouveau_channel *chan = context_chan(ctx);
 111         struct nouveau_grobj *celsius = context_eng3d(ctx);
 112
 113         BEGIN_RING(chan, celsius, NV10TCL_POLYGON_OFFSET_POINT_ENABLE, 3);
 114         OUT_RING(chan, ctx->Polygon.OffsetPoint ? 1 : 0);
 115         OUT_RING(chan, ctx->Polygon.OffsetLine ? 1 : 0);
 116         OUT_RING(chan, ctx->Polygon.OffsetFill ? 1 : 0);
 117
 118         BEGIN_RING(chan, celsius, NV10TCL_POLYGON_OFFSET_FACTOR, 2);
 119         OUT_RINGf(chan, ctx->Polygon.OffsetFactor);
 120         OUT_RINGf(chan, ctx->Polygon.OffsetUnits);
 121 }
 122
 123 void
 124 nv10_emit_polygon_stipple(struct gl_context *ctx, int emit)
 125 {
 126 }