summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/nouveau/nv04_render.c
blob: 56e396d51f2f5c59ee62735d1f9781a0103bcd32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
 * Copyright (C) 2009 Francisco Jerez.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_util.h"
#include "nouveau_class.h"
#include "nv04_driver.h"

#include "tnl/tnl.h"
#include "tnl/t_pipeline.h"
#include "tnl/t_vertex.h"

#define NUM_VERTEX_ATTRS 6

static void
swtnl_update_viewport(GLcontext *ctx)
{
	float *viewport = to_nv04_context(ctx)->viewport;
	struct gl_framebuffer *fb = ctx->DrawBuffer;

	get_viewport_scale(ctx, viewport);
	get_viewport_translate(ctx, &viewport[MAT_TX]);

	/* It wants normalized Z coordinates. */
	viewport[MAT_SZ] /= fb->_DepthMaxF;
	viewport[MAT_TZ] /= fb->_DepthMaxF;
}

static void
swtnl_emit_attr(GLcontext *ctx, struct tnl_attr_map *m, int attr, int emit)
{
	TNLcontext *tnl = TNL_CONTEXT(ctx);

	if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, attr))
		*m = (struct tnl_attr_map) {
			.attrib = attr,
			.format = emit,
		};
	else
		*m = (struct tnl_attr_map) {
			.format = EMIT_PAD,
			.offset = _tnl_format_info[emit].attrsize,
		};
}

static void
swtnl_choose_attrs(GLcontext *ctx)
{
	TNLcontext *tnl = TNL_CONTEXT(ctx);
	struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx);
	struct nv04_context *nctx = to_nv04_context(ctx);
	static struct tnl_attr_map map[NUM_VERTEX_ATTRS];
	int n = 0;

	tnl->vb.AttribPtr[VERT_ATTRIB_POS] = tnl->vb.NdcPtr;

	swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT);
	swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA);
	swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR);
	swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_FOG, EMIT_1UB_1F);
	swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX0, EMIT_2F);
	if (nv04_mtex_engine(fahrenheit))
		swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX1, EMIT_2F);

	swtnl_update_viewport(ctx);

	_tnl_install_attrs(ctx, map, n, nctx->viewport, 0);
}

/* TnL renderer entry points */

static void
swtnl_start(GLcontext *ctx)
{
	swtnl_choose_attrs(ctx);
}

static void
swtnl_finish(GLcontext *ctx)
{
	FIRE_RING(context_chan(ctx));
}

static void
swtnl_primitive(GLcontext *ctx, GLenum mode)
{
}

static void
swtnl_reset_stipple(GLcontext *ctx)
{
}

/* Primitive rendering */

#define BEGIN_PRIMITIVE(n)						\
	struct nouveau_channel *chan = context_chan(ctx);		\
	struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx);	\
	int vertex_len = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4;	\
									\
	if (nv04_mtex_engine(fahrenheit))				\
		BEGIN_RING(chan, fahrenheit,				\
			   NV04_MULTITEX_TRIANGLE_TLMTVERTEX_SX(0),	\
			   n * vertex_len);				\
	else								\
		BEGIN_RING(chan, fahrenheit,				\
			   NV04_TEXTURED_TRIANGLE_TLVERTEX_SX(0),	\
			   n * vertex_len);				\

#define OUT_VERTEX(i)						\
	OUT_RINGp(chan, _tnl_get_vertex(ctx, i), vertex_len);

#define END_PRIMITIVE(draw)						\
	if (nv04_mtex_engine(fahrenheit)) {				\
		BEGIN_RING(chan, fahrenheit,				\
			   NV04_MULTITEX_TRIANGLE_DRAWPRIMITIVE(0), 1); \
		OUT_RING(chan, draw);					\
	} else {							\
		BEGIN_RING(chan, fahrenheit,				\
			   NV04_TEXTURED_TRIANGLE_DRAWPRIMITIVE(0), 1); \
		OUT_RING(chan, draw);					\
	}

static void
swtnl_points(GLcontext *ctx, GLuint first, GLuint last)
{
}

static void
swtnl_line(GLcontext *ctx, GLuint v1, GLuint v2)
{
}

static void
swtnl_triangle(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3)
{
	BEGIN_PRIMITIVE(3);
	OUT_VERTEX(v1);
	OUT_VERTEX(v2);
	OUT_VERTEX(v3);
	END_PRIMITIVE(0x102);
}

static void
swtnl_quad(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4)
{
	BEGIN_PRIMITIVE(4);
	OUT_VERTEX(v1);
	OUT_VERTEX(v2);
	OUT_VERTEX(v3);
	OUT_VERTEX(v4);
	END_PRIMITIVE(0x213103);
}

/* TnL initialization. */
void
nv04_render_init(GLcontext *ctx)
{
	TNLcontext *tnl = TNL_CONTEXT(ctx);

	tnl->Driver.RunPipeline = _tnl_run_pipeline;
	tnl->Driver.Render.Interp = _tnl_interp;
	tnl->Driver.Render.CopyPV = _tnl_copy_pv;
	tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
	tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine;
	tnl->Driver.Render.BuildVertices = _tnl_build_vertices;

	tnl->Driver.Render.Start = swtnl_start;
	tnl->Driver.Render.Finish = swtnl_finish;
	tnl->Driver.Render.PrimitiveNotify = swtnl_primitive;
	tnl->Driver.Render.ResetLineStipple = swtnl_reset_stipple;

	tnl->Driver.Render.Points = swtnl_points;
	tnl->Driver.Render.Line = swtnl_line;
	tnl->Driver.Render.Triangle = swtnl_triangle;
	tnl->Driver.Render.Quad = swtnl_quad;

	_tnl_need_projected_coords(ctx, GL_TRUE);
	_tnl_init_vertices(ctx, tnl->vb.Size,
			   NUM_VERTEX_ATTRS * 4 * sizeof(GLfloat));
	_tnl_allow_pixel_fog(ctx, GL_FALSE);
	_tnl_wakeup(ctx);
}

void
nv04_render_destroy(GLcontext *ctx)
{
}