1 /*
2 * Copyright (C) 2009-2010 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 "nv10_3d.xml.h"
30 #include "nv10_driver.h"
31
32 #define NUM_VERTEX_ATTRS 8
33
34 static void
35 nv10_emit_material(struct gl_context *ctx, struct nouveau_array *a,
36 const void *v);
37
38 /* Vertex attribute format. */
39 static struct nouveau_attr_info nv10_vertex_attrs[VERT_ATTRIB_MAX] = {
40 [VERT_ATTRIB_POS] = {
41 .vbo_index = 0,
42 .imm_method = NV10_3D_VERTEX_POS_4F_X,
43 .imm_fields = 4,
44 },
45 [VERT_ATTRIB_COLOR0] = {
46 .vbo_index = 1,
47 .imm_method = NV10_3D_VERTEX_COL_4F_R,
48 .imm_fields = 4,
49 },
50 [VERT_ATTRIB_COLOR1] = {
51 .vbo_index = 2,
52 .imm_method = NV10_3D_VERTEX_COL2_3F_R,
53 .imm_fields = 3,
54 },
55 [VERT_ATTRIB_TEX0] = {
56 .vbo_index = 3,
57 .imm_method = NV10_3D_VERTEX_TX0_4F_S,
58 .imm_fields = 4,
59 },
60 [VERT_ATTRIB_TEX1] = {
61 .vbo_index = 4,
62 .imm_method = NV10_3D_VERTEX_TX1_4F_S,
63 .imm_fields = 4,
64 },
65 [VERT_ATTRIB_NORMAL] = {
66 .vbo_index = 5,
67 .imm_method = NV10_3D_VERTEX_NOR_3F_X,
68 .imm_fields = 3,
69 },
70 [VERT_ATTRIB_FOG] = {
71 .vbo_index = 7,
72 .imm_method = NV10_3D_VERTEX_FOG_1F,
73 .imm_fields = 1,
74 },
75 [VERT_ATTRIB_GENERIC0] = {
76 .emit = nv10_emit_material,
77 },
78 [VERT_ATTRIB_GENERIC2] = {
79 .emit = nv10_emit_material,
80 },
81 [VERT_ATTRIB_GENERIC4] = {
82 .emit = nv10_emit_material,
83 },
84 [VERT_ATTRIB_GENERIC6] = {
85 .emit = nv10_emit_material,
86 },
87 [VERT_ATTRIB_GENERIC8] = {
88 .emit = nv10_emit_material,
89 },
90 };
91
92 static int
get_hw_format(int type)93 get_hw_format(int type)
94 {
95 switch (type) {
96 case GL_FLOAT:
97 return NV10_3D_VTXBUF_FMT_TYPE_V32_FLOAT;
98 case GL_SHORT:
99 case GL_UNSIGNED_SHORT:
100 return NV10_3D_VTXBUF_FMT_TYPE_V16_SNORM;
101 case GL_UNSIGNED_BYTE:
102 return NV10_3D_VTXBUF_FMT_TYPE_U8_UNORM;
103 default:
104 assert(0);
105 }
106 }
107
108 static void
nv10_render_set_format(struct gl_context * ctx)109 nv10_render_set_format(struct gl_context *ctx)
110 {
111 struct nouveau_render_state *render = to_render_state(ctx);
112 struct nouveau_pushbuf *push = context_push(ctx);
113 int i, attr, hw_format;
114
115 FOR_EACH_ATTR(render, i, attr) {
116 if (attr >= 0) {
117 struct nouveau_array *a = &render->attrs[attr];
118
119 hw_format = a->stride << 8 |
120 a->fields << 4 |
121 get_hw_format(a->type);
122
123 if (attr == VERT_ATTRIB_POS && a->fields == 4)
124 hw_format |= NV10_3D_VTXBUF_FMT_HOMOGENEOUS;
125 } else {
126 /* Unused attribute. */
127 hw_format = NV10_3D_VTXBUF_FMT_TYPE_V32_FLOAT;
128 }
129
130 BEGIN_NV04(push, NV10_3D(VTXBUF_FMT(i)), 1);
131 PUSH_DATA (push, hw_format);
132 }
133 }
134
135 static void
nv10_render_bind_vertices(struct gl_context * ctx)136 nv10_render_bind_vertices(struct gl_context *ctx)
137 {
138 struct nouveau_render_state *render = to_render_state(ctx);
139 struct nouveau_pushbuf *push = context_push(ctx);
140 int i, attr;
141
142 FOR_EACH_BOUND_ATTR(render, i, attr) {
143 struct nouveau_array *a = &render->attrs[attr];
144
145 BEGIN_NV04(push, NV10_3D(VTXBUF_OFFSET(i)), 1);
146 PUSH_MTHDl(push, NV10_3D(VTXBUF_OFFSET(i)), BUFCTX_VTX,
147 a->bo, a->offset, NOUVEAU_BO_GART |
148 NOUVEAU_BO_RD);
149 }
150 }
151
152 static void
nv10_render_release_vertices(struct gl_context * ctx)153 nv10_render_release_vertices(struct gl_context *ctx)
154 {
155 PUSH_RESET(context_push(ctx), BUFCTX_VTX);
156 }
157
158 /* Vertex array rendering defs. */
159 #define RENDER_LOCALS(ctx)
160
161 #define BATCH_VALIDATE() \
162 BEGIN_NV04(push, NV10_3D(VTXBUF_VALIDATE), 1); \
163 PUSH_DATA (push, 0)
164
165 #define BATCH_BEGIN(prim) \
166 BEGIN_NV04(push, NV10_3D(VTXBUF_BEGIN_END), 1); \
167 PUSH_DATA (push, prim)
168 #define BATCH_END() \
169 BEGIN_NV04(push, NV10_3D(VTXBUF_BEGIN_END), 1); \
170 PUSH_DATA (push, 0)
171
172 #define MAX_PACKET 0x400
173
174 #define MAX_OUT_L 0x100
175 #define BATCH_PACKET_L(n) \
176 BEGIN_NI04(push, NV10_3D(VTXBUF_BATCH), n)
177 #define BATCH_OUT_L(i, n) \
178 PUSH_DATA (push, ((n) - 1) << 24 | (i))
179
180 #define MAX_OUT_I16 0x2
181 #define BATCH_PACKET_I16(n) \
182 BEGIN_NI04(push, NV10_3D(VTXBUF_ELEMENT_U16), n)
183 #define BATCH_OUT_I16(i0, i1) \
184 PUSH_DATA (push, (i1) << 16 | (i0))
185
186 #define MAX_OUT_I32 0x1
187 #define BATCH_PACKET_I32(n) \
188 BEGIN_NI04(push, NV10_3D(VTXBUF_ELEMENT_U32), n)
189 #define BATCH_OUT_I32(i) \
190 PUSH_DATA (push, i)
191
192 #define IMM_PACKET(m, n) \
193 BEGIN_NV04(push, SUBC_3D(m), n)
194 #define IMM_OUT(x) \
195 PUSH_DATAf(push, x)
196
197 #define TAG(x) nv10_##x
198 #include "nouveau_render_t.c"
199 #include "nouveau_vbo_t.c"
200 #include "nouveau_swtnl_t.c"
201