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      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 }
    122