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 "nv20_3d.xml.h"
30 #include "nv20_driver.h"
31
32 #define NUM_VERTEX_ATTRS 16
33
34 static void
35 nv20_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 nv20_vertex_attrs[VERT_ATTRIB_MAX] = {
40 [VERT_ATTRIB_POS] = {
41 .vbo_index = 0,
42 .imm_method = NV20_3D_VERTEX_POS_4F_X,
43 .imm_fields = 4,
44 },
45 [VERT_ATTRIB_NORMAL] = {
46 .vbo_index = 2,
47 .imm_method = NV20_3D_VERTEX_NOR_3F_X,
48 .imm_fields = 3,
49 },
50 [VERT_ATTRIB_COLOR0] = {
51 .vbo_index = 3,
52 .imm_method = NV20_3D_VERTEX_COL_4F,
53 .imm_fields = 4,
54 },
55 [VERT_ATTRIB_COLOR1] = {
56 .vbo_index = 4,
57 .imm_method = NV20_3D_VERTEX_COL2_3F,
58 .imm_fields = 3,
59 },
60 [VERT_ATTRIB_FOG] = {
61 .vbo_index = 5,
62 .imm_method = NV20_3D_VERTEX_FOG_1F,
63 .imm_fields = 1,
64 },
65 [VERT_ATTRIB_TEX0] = {
66 .vbo_index = 9,
67 .imm_method = NV20_3D_VERTEX_TX0_4F_S,
68 .imm_fields = 4,
69 },
70 [VERT_ATTRIB_TEX1] = {
71 .vbo_index = 10,
72 .imm_method = NV20_3D_VERTEX_TX1_4F_S,
73 .imm_fields = 4,
74 },
75 [VERT_ATTRIB_TEX2] = {
76 .vbo_index = 11,
77 .imm_method = NV20_3D_VERTEX_TX2_4F_S,
78 .imm_fields = 4,
79 },
80 [VERT_ATTRIB_TEX3] = {
81 .vbo_index = 12,
82 .imm_method = NV20_3D_VERTEX_TX3_4F_S,
83 .imm_fields = 4,
84 },
85 [VERT_ATTRIB_MAT(0)] = {
86 .emit = nv20_emit_material,
87 },
88 [VERT_ATTRIB_MAT(1)] = {
89 .emit = nv20_emit_material,
90 },
91 [VERT_ATTRIB_MAT(2)] = {
92 .emit = nv20_emit_material,
93 },
94 [VERT_ATTRIB_MAT(3)] = {
95 .emit = nv20_emit_material,
96 },
97 [VERT_ATTRIB_MAT(4)] = {
98 .emit = nv20_emit_material,
99 },
100 [VERT_ATTRIB_MAT(5)] = {
101 .emit = nv20_emit_material,
102 },
103 [VERT_ATTRIB_MAT(6)] = {
104 .emit = nv20_emit_material,
105 },
106 [VERT_ATTRIB_MAT(7)] = {
107 .emit = nv20_emit_material,
108 },
109 [VERT_ATTRIB_MAT(8)] = {
110 .emit = nv20_emit_material,
111 },
112 [VERT_ATTRIB_MAT(9)] = {
113 .emit = nv20_emit_material,
114 },
115 };
116
117 static int
get_hw_format(int type)118 get_hw_format(int type)
119 {
120 switch (type) {
121 case GL_FLOAT:
122 return NV20_3D_VTXBUF_FMT_TYPE_FLOAT;
123 case GL_UNSIGNED_SHORT:
124 return NV20_3D_VTXBUF_FMT_TYPE_USHORT;
125 case GL_UNSIGNED_BYTE:
126 return NV20_3D_VTXBUF_FMT_TYPE_UBYTE;
127 default:
128 assert(0);
129 }
130 }
131
132 static void
nv20_render_set_format(struct gl_context * ctx)133 nv20_render_set_format(struct gl_context *ctx)
134 {
135 struct nouveau_render_state *render = to_render_state(ctx);
136 struct nouveau_pushbuf *push = context_push(ctx);
137 int i, attr, hw_format;
138
139 FOR_EACH_ATTR(render, i, attr) {
140 if (attr >= 0) {
141 struct nouveau_array *a = &render->attrs[attr];
142
143 hw_format = a->stride << 8 |
144 a->fields << 4 |
145 get_hw_format(a->type);
146
147 } else {
148 /* Unused attribute. */
149 hw_format = NV20_3D_VTXBUF_FMT_TYPE_FLOAT;
150 }
151
152 BEGIN_NV04(push, NV20_3D(VTXBUF_FMT(i)), 1);
153 PUSH_DATA (push, hw_format);
154 }
155 }
156
157 static void
nv20_render_bind_vertices(struct gl_context * ctx)158 nv20_render_bind_vertices(struct gl_context *ctx)
159 {
160 struct nouveau_render_state *render = to_render_state(ctx);
161 struct nouveau_pushbuf *push = context_push(ctx);
162 int i, attr;
163
164 FOR_EACH_BOUND_ATTR(render, i, attr) {
165 struct nouveau_array *a = &render->attrs[attr];
166
167 BEGIN_NV04(push, NV20_3D(VTXBUF_OFFSET(i)), 1);
168 PUSH_MTHD (push, NV20_3D(VTXBUF_OFFSET(i)), BUFCTX_VTX,
169 a->bo, a->offset, NOUVEAU_BO_LOW |
170 NOUVEAU_BO_OR | NOUVEAU_BO_GART |
171 NOUVEAU_BO_RD, 0,
172 NV20_3D_VTXBUF_OFFSET_DMA1);
173 }
174 }
175
176 static void
nv20_render_release_vertices(struct gl_context * ctx)177 nv20_render_release_vertices(struct gl_context *ctx)
178 {
179 PUSH_RESET(context_push(ctx), BUFCTX_VTX);
180 }
181
182 /* Vertex array rendering defs. */
183 #define RENDER_LOCALS(ctx)
184
185 #define BATCH_VALIDATE() \
186 BEGIN_NV04(push, NV20_3D(VTXBUF_VALIDATE), 1); \
187 PUSH_DATA (push, 0)
188
189 #define BATCH_BEGIN(prim) \
190 BEGIN_NV04(push, NV20_3D(VERTEX_BEGIN_END), 1); \
191 PUSH_DATA (push, prim)
192 #define BATCH_END() \
193 BEGIN_NV04(push, NV20_3D(VERTEX_BEGIN_END), 1); \
194 PUSH_DATA (push, 0)
195
196 #define MAX_PACKET 0x400
197
198 #define MAX_OUT_L 0x100
199 #define BATCH_PACKET_L(n) \
200 BEGIN_NI04(push, NV20_3D(VTXBUF_BATCH), n)
201 #define BATCH_OUT_L(i, n) \
202 PUSH_DATA (push, ((n) - 1) << 24 | (i))
203
204 #define MAX_OUT_I16 0x2
205 #define BATCH_PACKET_I16(n) \
206 BEGIN_NI04(push, NV20_3D(VTXBUF_ELEMENT_U16), n)
207 #define BATCH_OUT_I16(i0, i1) \
208 PUSH_DATA (push, (i1) << 16 | (i0))
209
210 #define MAX_OUT_I32 0x1
211 #define BATCH_PACKET_I32(n) \
212 BEGIN_NI04(push, NV20_3D(VTXBUF_ELEMENT_U32), n)
213 #define BATCH_OUT_I32(i) \
214 PUSH_DATA (push, i)
215
216 #define IMM_PACKET(m, n) \
217 BEGIN_NV04(push, SUBC_3D(m), n)
218 #define IMM_OUT(x) \
219 PUSH_DATAf(push, x)
220
221 #define TAG(x) nv20_##x
222 #include "nouveau_render_t.c"
223 #include "nouveau_vbo_t.c"
224 #include "nouveau_swtnl_t.c"
225