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_pushbuf *push = context_push(ctx);
  38         GLenum mode = ctx->Polygon.CullFaceMode;
  39
  40         BEGIN_NV04(push, NV10_3D(CULL_FACE_ENABLE), 1);
  41         PUSH_DATAb(push, ctx->Polygon.CullFlag);
  42
  43         BEGIN_NV04(push, NV10_3D(CULL_FACE), 1);
  44         PUSH_DATA (push, (mode == GL_FRONT ? NV10_3D_CULL_FACE_FRONT :
  45                         mode == GL_BACK ? NV10_3D_CULL_FACE_BACK :
  46                         NV10_3D_CULL_FACE_FRONT_AND_BACK));
  47 }
  48
  49 void
  50 nv10_emit_front_face(struct gl_context *ctx, int emit)
  51 {
  52         struct nouveau_pushbuf *push = context_push(ctx);
  53
  54         BEGIN_NV04(push, NV10_3D(FRONT_FACE), 1);
  55         PUSH_DATA (push, ctx->Polygon.FrontFace == GL_CW ?
  56                  NV10_3D_FRONT_FACE_CW : NV10_3D_FRONT_FACE_CCW);
  57 }
  58
  59 void
  60 nv10_emit_line_mode(struct gl_context *ctx, int emit)
  61 {
  62         struct nouveau_pushbuf *push = context_push(ctx);
  63         GLboolean smooth = ctx->Line.SmoothFlag &&
  64                 ctx->Hint.LineSmooth == GL_NICEST;
  65
  66         BEGIN_NV04(push, NV10_3D(LINE_WIDTH), 1);
  67         PUSH_DATA (push, MAX2(smooth ? 0 : 1,
  68                             ctx->Line.Width) * 8);
  69         BEGIN_NV04(push, NV10_3D(LINE_SMOOTH_ENABLE), 1);
  70         PUSH_DATAb(push, smooth);
  71 }
  72
  73 void
  74 nv10_emit_line_stipple(struct gl_context *ctx, int emit)
  75 {
  76 }
  77
  78 void
  79 nv10_emit_point_mode(struct gl_context *ctx, int emit)
  80 {
  81         struct nouveau_pushbuf *push = context_push(ctx);
  82
  83         BEGIN_NV04(push, NV10_3D(POINT_SIZE), 1);
  84         PUSH_DATA (push, (uint32_t)(ctx->Point.Size * 8));
  85
  86         BEGIN_NV04(push, NV10_3D(POINT_SMOOTH_ENABLE), 1);
  87         PUSH_DATAb(push, ctx->Point.SmoothFlag);
  88 }
  89
  90 void
  91 nv10_emit_polygon_mode(struct gl_context *ctx, int emit)
  92 {
  93         struct nouveau_pushbuf *push = context_push(ctx);
  94
  95         BEGIN_NV04(push, NV10_3D(POLYGON_MODE_FRONT), 2);
  96         PUSH_DATA (push, nvgl_polygon_mode(ctx->Polygon.FrontMode));
  97         PUSH_DATA (push, nvgl_polygon_mode(ctx->Polygon.BackMode));
  98
  99         BEGIN_NV04(push, NV10_3D(POLYGON_SMOOTH_ENABLE), 1);
 100         PUSH_DATAb(push, ctx->Polygon.SmoothFlag);
 101 }
 102
 103 void
 104 nv10_emit_polygon_offset(struct gl_context *ctx, int emit)
 105 {
 106         struct nouveau_pushbuf *push = context_push(ctx);
 107
 108         BEGIN_NV04(push, NV10_3D(POLYGON_OFFSET_POINT_ENABLE), 3);
 109         PUSH_DATAb(push, ctx->Polygon.OffsetPoint);
 110         PUSH_DATAb(push, ctx->Polygon.OffsetLine);
 111         PUSH_DATAb(push, ctx->Polygon.OffsetFill);
 112
 113         BEGIN_NV04(push, NV10_3D(POLYGON_OFFSET_FACTOR), 2);
 114         PUSH_DATAf(push, ctx->Polygon.OffsetFactor);
 115         PUSH_DATAf(push, ctx->Polygon.OffsetUnits);
 116 }
 117
 118 void
 119 nv10_emit_polygon_stipple(struct gl_context *ctx, int emit)
 120 {
 121 }