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/*
* Copyright (C) 2009-2010 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_class.h"
#include "nv10_driver.h"
#define NUM_VERTEX_ATTRS 8
static void
nv10_emit_material(GLcontext *ctx, struct nouveau_array_state *a,
const void *v);
/* Vertex attribute format. */
static struct nouveau_attr_info nv10_vertex_attrs[VERT_ATTRIB_MAX] = {
[VERT_ATTRIB_POS] = {
.vbo_index = 0,
.imm_method = NV10TCL_VERTEX_POS_4F_X,
.imm_fields = 4,
},
[VERT_ATTRIB_COLOR0] = {
.vbo_index = 1,
.imm_method = NV10TCL_VERTEX_COL_4F_R,
.imm_fields = 4,
},
[VERT_ATTRIB_COLOR1] = {
.vbo_index = 2,
.imm_method = NV10TCL_VERTEX_COL2_3F_R,
.imm_fields = 3,
},
[VERT_ATTRIB_TEX0] = {
.vbo_index = 3,
.imm_method = NV10TCL_VERTEX_TX0_4F_S,
.imm_fields = 4,
},
[VERT_ATTRIB_TEX1] = {
.vbo_index = 4,
.imm_method = NV10TCL_VERTEX_TX1_4F_S,
.imm_fields = 4,
},
[VERT_ATTRIB_NORMAL] = {
.vbo_index = 5,
.imm_method = NV10TCL_VERTEX_NOR_3F_X,
.imm_fields = 3,
},
[VERT_ATTRIB_FOG] = {
.vbo_index = 7,
.imm_method = NV10TCL_VERTEX_FOG_1F,
.imm_fields = 1,
},
[VERT_ATTRIB_GENERIC0] = {
.emit = nv10_emit_material,
},
[VERT_ATTRIB_GENERIC2] = {
.emit = nv10_emit_material,
},
[VERT_ATTRIB_GENERIC4] = {
.emit = nv10_emit_material,
},
[VERT_ATTRIB_GENERIC6] = {
.emit = nv10_emit_material,
},
[VERT_ATTRIB_GENERIC8] = {
.emit = nv10_emit_material,
},
};
static int
get_hw_format(int type)
{
switch (type) {
case GL_FLOAT:
return NV10TCL_VTXFMT_TYPE_FLOAT;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
return NV10TCL_VTXFMT_TYPE_SHORT;
case GL_UNSIGNED_BYTE:
return NV10TCL_VTXFMT_TYPE_BYTE_RGBA;
default:
assert(0);
}
}
static void
nv10_render_set_format(GLcontext *ctx)
{
struct nouveau_render_state *render = to_render_state(ctx);
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *celsius = context_eng3d(ctx);
int i, hw_format;
for (i = 0; i < NUM_VERTEX_ATTRS; i++) {
int attr = render->map[i];
if (attr >= 0) {
struct nouveau_array_state *a = &render->attrs[attr];
hw_format = a->stride << 8 |
a->fields << 4 |
get_hw_format(a->type);
if (attr == VERT_ATTRIB_POS && a->fields == 4)
hw_format |= NV10TCL_VTXFMT_POS_HOMOGENEOUS;
} else {
/* Unused attribute. */
hw_format = NV10TCL_VTXFMT_TYPE_FLOAT;
}
BEGIN_RING(chan, celsius, NV10TCL_VTXFMT(i), 1);
OUT_RING(chan, hw_format);
}
}
static void
nv10_render_bind_vertices(GLcontext *ctx)
{
struct nouveau_render_state *render = to_render_state(ctx);
struct nouveau_bo_context *bctx = context_bctx(ctx, VERTEX);
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *celsius = context_eng3d(ctx);
int i;
for (i = 0; i < NUM_VERTEX_ATTRS; i++) {
int attr = render->map[i];
if (attr >= 0) {
struct nouveau_array_state *a = &render->attrs[attr];
nouveau_bo_markl(bctx, celsius,
NV10TCL_VTXBUF_ADDRESS(i),
a->bo, a->offset,
NOUVEAU_BO_GART | NOUVEAU_BO_RD);
}
}
BEGIN_RING(chan, celsius, NV10TCL_VERTEX_ARRAY_VALIDATE, 1);
OUT_RING(chan, 0);
}
/* Vertex array rendering defs. */
#define RENDER_LOCALS(ctx) \
struct nouveau_grobj *celsius = context_eng3d(ctx)
#define BATCH_BEGIN(prim) \
BEGIN_RING(chan, celsius, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); \
OUT_RING(chan, prim)
#define BATCH_END() \
BEGIN_RING(chan, celsius, NV10TCL_VERTEX_BUFFER_BEGIN_END, 1); \
OUT_RING(chan, 0)
#define MAX_PACKET 0x400
#define MAX_OUT_L 0x100
#define BATCH_PACKET_L(n) \
BEGIN_RING_NI(chan, celsius, NV10TCL_VERTEX_BUFFER_DRAW_ARRAYS, n)
#define BATCH_OUT_L(i, n) \
OUT_RING(chan, ((n) - 1) << 24 | (i))
#define MAX_OUT_I16 0x2
#define BATCH_PACKET_I16(n) \
BEGIN_RING_NI(chan, celsius, NV10TCL_VB_ELEMENT_U16, n)
#define BATCH_OUT_I16(i0, i1) \
OUT_RING(chan, (i1) << 16 | (i0))
#define MAX_OUT_I32 0x1
#define BATCH_PACKET_I32(n) \
BEGIN_RING_NI(chan, celsius, NV10TCL_VB_ELEMENT_U32, n)
#define BATCH_OUT_I32(i) \
OUT_RING(chan, i)
#define IMM_PACKET(m, n) \
BEGIN_RING(chan, celsius, m, n)
#define IMM_OUT(x) \
OUT_RINGf(chan, x)
#define TAG(x) nv10_##x
#include "nouveau_render_t.c"
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