/*
* 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 "nv04_3d.xml.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(struct gl_context *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(struct gl_context *ctx, struct tnl_attr_map *m, int attr, int emit)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
if (tnl->render_inputs_bitset & BITFIELD64_BIT(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(struct gl_context *ctx)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct nouveau_object *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_restart_ttri(struct nv04_context *nv04, struct nouveau_pushbuf *push)
{
BEGIN_NV04(push, NV04_TTRI(COLORKEY), 7);
PUSH_DATA (push, nv04->colorkey);
PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset,
NOUVEAU_BO_LOW, 0, 0);
PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
PUSH_DATA (push, nv04->filter[0]);
PUSH_DATA (push, nv04->blend);
PUSH_DATA (push, nv04->ctrl[0] & ~0x3e000000);
PUSH_DATA (push, nv04->fog);
}
static void
swtnl_restart_mtri(struct nv04_context *nv04, struct nouveau_pushbuf *push)
{
BEGIN_NV04(push, NV04_MTRI(OFFSET(0)), 8);
PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset,
NOUVEAU_BO_LOW, 0, 0);
PUSH_RELOC(push, nv04->texture[1]->bo, nv04->texture[1]->offset,
NOUVEAU_BO_LOW, 0, 0);
PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
PUSH_RELOC(push, nv04->texture[1]->bo, nv04->format[1], NOUVEAU_BO_OR,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
PUSH_DATA (push, nv04->filter[0]);
PUSH_DATA (push, nv04->filter[1]);
PUSH_DATA (push, nv04->alpha[0]);
PUSH_DATA (push, nv04->color[0]);
BEGIN_NV04(push, NV04_MTRI(COMBINE_ALPHA(1)), 8);
PUSH_DATA (push, nv04->alpha[1]);
PUSH_DATA (push, nv04->color[1]);
PUSH_DATA (push, nv04->factor);
PUSH_DATA (push, nv04->blend & ~0x0000000f);
PUSH_DATA (push, nv04->ctrl[0]);
PUSH_DATA (push, nv04->ctrl[1]);
PUSH_DATA (push, nv04->ctrl[2]);
PUSH_DATA (push, nv04->fog);
}
static inline bool
swtnl_restart(struct gl_context *ctx, int multi, unsigned vertex_size)
{
const int tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
struct nv04_context *nv04 = to_nv04_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_pushbuf_refn refs[] = {
{ nv04->texture[0]->bo, tex_flags },
{ nv04->texture[1]->bo, tex_flags },
};
/* wait for enough space for state, and at least one whole primitive */
if (nouveau_pushbuf_space(push, 32 + (4 * vertex_size), 4, 0) ||
nouveau_pushbuf_refn (push, refs, multi ? 2 : 1))
return false;
/* emit engine state */
if (multi)
swtnl_restart_mtri(nv04, push);
else
swtnl_restart_ttri(nv04, push);
return true;
}
static void
swtnl_start(struct gl_context *ctx)
{
struct nouveau_object *eng3d = nv04_context_engine(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
unsigned vertex_size;
nouveau_pushbuf_bufctx(push, push->user_priv);
nouveau_pushbuf_validate(push);
swtnl_choose_attrs(ctx);
vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4;
if (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS)
swtnl_restart(ctx, 1, vertex_size);
else
swtnl_restart(ctx, 0, vertex_size);
}
static void
swtnl_finish(struct gl_context *ctx)
{
struct nouveau_pushbuf *push = context_push(ctx);
nouveau_pushbuf_bufctx(push, NULL);
}
static void
swtnl_primitive(struct gl_context *ctx, GLenum mode)
{
}
static void
swtnl_reset_stipple(struct gl_context *ctx)
{
}
/* Primitive rendering */
#define BEGIN_PRIMITIVE(n) \
struct nouveau_object *eng3d = to_nv04_context(ctx)->eng3d; \
struct nouveau_pushbuf *push = context_push(ctx); \
int vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4; \
int multi = (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS); \
\
if (PUSH_AVAIL(push) < 32 + (n * vertex_size)) { \
if (!swtnl_restart(ctx, multi, vertex_size)) \
return; \
} \
\
BEGIN_NV04(push, NV04_TTRI(TLVERTEX_SX(0)), n * vertex_size);
#define OUT_VERTEX(i) \
PUSH_DATAp(push, _tnl_get_vertex(ctx, i), vertex_size);
#define END_PRIMITIVE(draw) \
if (multi) { \
BEGIN_NV04(push, NV04_MTRI(DRAWPRIMITIVE(0)), 1); \
PUSH_DATA (push, draw); \
} else { \
BEGIN_NV04(push, NV04_TTRI(DRAWPRIMITIVE(0)), 1); \
PUSH_DATA (push, draw); \
}
static void
swtnl_points(struct gl_context *ctx, GLuint first, GLuint last)
{
}
static void
swtnl_line(struct gl_context *ctx, GLuint v1, GLuint v2)
{
}
static void
swtnl_triangle(struct gl_context *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(struct gl_context *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(struct gl_context *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(struct gl_context *ctx)
{
}