294 lines
8.5 KiB
C
294 lines
8.5 KiB
C
/*
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* Copyright (C) 2009 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nouveau_driver.h"
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#include "nouveau_context.h"
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#include "nouveau_util.h"
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#include "nv04_3d.xml.h"
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#include "nv04_driver.h"
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#include "tnl/tnl.h"
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#include "tnl/t_pipeline.h"
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#include "tnl/t_vertex.h"
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#define NUM_VERTEX_ATTRS 6
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static void
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swtnl_update_viewport(struct gl_context *ctx)
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{
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float *viewport = to_nv04_context(ctx)->viewport;
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struct gl_framebuffer *fb = ctx->DrawBuffer;
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get_viewport_scale(ctx, viewport);
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get_viewport_translate(ctx, &viewport[MAT_TX]);
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/* It wants normalized Z coordinates. */
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viewport[MAT_SZ] /= fb->_DepthMaxF;
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viewport[MAT_TZ] /= fb->_DepthMaxF;
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}
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static void
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swtnl_emit_attr(struct gl_context *ctx, struct tnl_attr_map *m, int attr, int emit)
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{
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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if (tnl->render_inputs_bitset & BITFIELD64_BIT(attr))
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*m = (struct tnl_attr_map) {
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.attrib = attr,
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.format = emit,
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};
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else
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*m = (struct tnl_attr_map) {
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.format = EMIT_PAD,
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.offset = _tnl_format_info[emit].attrsize,
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};
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}
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static void
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swtnl_choose_attrs(struct gl_context *ctx)
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{
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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struct nouveau_object *fahrenheit = nv04_context_engine(ctx);
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struct nv04_context *nctx = to_nv04_context(ctx);
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static struct tnl_attr_map map[NUM_VERTEX_ATTRS];
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int n = 0;
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tnl->vb.AttribPtr[VERT_ATTRIB_POS] = tnl->vb.NdcPtr;
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT);
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA);
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR);
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_FOG, EMIT_1UB_1F);
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX0, EMIT_2F);
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if (nv04_mtex_engine(fahrenheit))
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swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX1, EMIT_2F);
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swtnl_update_viewport(ctx);
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_tnl_install_attrs(ctx, map, n, nctx->viewport, 0);
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}
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/* TnL renderer entry points */
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static void
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swtnl_restart_ttri(struct nv04_context *nv04, struct nouveau_pushbuf *push)
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{
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BEGIN_NV04(push, NV04_TTRI(COLORKEY), 7);
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PUSH_DATA (push, nv04->colorkey);
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PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset,
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NOUVEAU_BO_LOW, 0, 0);
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PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
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PUSH_DATA (push, nv04->filter[0]);
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PUSH_DATA (push, nv04->blend);
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PUSH_DATA (push, nv04->ctrl[0] & ~0x3e000000);
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PUSH_DATA (push, nv04->fog);
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}
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static void
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swtnl_restart_mtri(struct nv04_context *nv04, struct nouveau_pushbuf *push)
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{
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BEGIN_NV04(push, NV04_MTRI(OFFSET(0)), 8);
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PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset,
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NOUVEAU_BO_LOW, 0, 0);
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PUSH_RELOC(push, nv04->texture[1]->bo, nv04->texture[1]->offset,
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NOUVEAU_BO_LOW, 0, 0);
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PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
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PUSH_RELOC(push, nv04->texture[1]->bo, nv04->format[1], NOUVEAU_BO_OR,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
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NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B);
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PUSH_DATA (push, nv04->filter[0]);
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PUSH_DATA (push, nv04->filter[1]);
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PUSH_DATA (push, nv04->alpha[0]);
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PUSH_DATA (push, nv04->color[0]);
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BEGIN_NV04(push, NV04_MTRI(COMBINE_ALPHA(1)), 8);
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PUSH_DATA (push, nv04->alpha[1]);
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PUSH_DATA (push, nv04->color[1]);
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PUSH_DATA (push, nv04->factor);
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PUSH_DATA (push, nv04->blend & ~0x0000000f);
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PUSH_DATA (push, nv04->ctrl[0]);
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PUSH_DATA (push, nv04->ctrl[1]);
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PUSH_DATA (push, nv04->ctrl[2]);
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PUSH_DATA (push, nv04->fog);
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}
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static inline bool
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swtnl_restart(struct gl_context *ctx, int multi, unsigned vertex_size)
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{
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const int tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
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struct nv04_context *nv04 = to_nv04_context(ctx);
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struct nouveau_pushbuf *push = context_push(ctx);
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struct nouveau_pushbuf_refn refs[] = {
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{ nv04->texture[0]->bo, tex_flags },
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{ nv04->texture[1]->bo, tex_flags },
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};
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/* wait for enough space for state, and at least one whole primitive */
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if (nouveau_pushbuf_space(push, 32 + (4 * vertex_size), 4, 0) ||
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nouveau_pushbuf_refn (push, refs, multi ? 2 : 1))
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return false;
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/* emit engine state */
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if (multi)
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swtnl_restart_mtri(nv04, push);
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else
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swtnl_restart_ttri(nv04, push);
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return true;
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}
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static void
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swtnl_start(struct gl_context *ctx)
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{
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struct nouveau_object *eng3d = nv04_context_engine(ctx);
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struct nouveau_pushbuf *push = context_push(ctx);
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unsigned vertex_size;
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nouveau_pushbuf_bufctx(push, push->user_priv);
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nouveau_pushbuf_validate(push);
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swtnl_choose_attrs(ctx);
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vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4;
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if (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS)
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swtnl_restart(ctx, 1, vertex_size);
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else
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swtnl_restart(ctx, 0, vertex_size);
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}
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static void
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swtnl_finish(struct gl_context *ctx)
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{
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struct nouveau_pushbuf *push = context_push(ctx);
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nouveau_pushbuf_bufctx(push, NULL);
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}
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static void
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swtnl_primitive(struct gl_context *ctx, GLenum mode)
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{
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}
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static void
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swtnl_reset_stipple(struct gl_context *ctx)
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{
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}
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/* Primitive rendering */
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#define BEGIN_PRIMITIVE(n) \
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struct nouveau_object *eng3d = to_nv04_context(ctx)->eng3d; \
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struct nouveau_pushbuf *push = context_push(ctx); \
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int vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4; \
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int multi = (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS); \
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\
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if (PUSH_AVAIL(push) < 32 + (n * vertex_size)) { \
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if (!swtnl_restart(ctx, multi, vertex_size)) \
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return; \
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} \
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\
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BEGIN_NV04(push, NV04_TTRI(TLVERTEX_SX(0)), n * vertex_size);
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#define OUT_VERTEX(i) \
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PUSH_DATAp(push, _tnl_get_vertex(ctx, i), vertex_size);
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#define END_PRIMITIVE(draw) \
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if (multi) { \
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BEGIN_NV04(push, NV04_MTRI(DRAWPRIMITIVE(0)), 1); \
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PUSH_DATA (push, draw); \
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} else { \
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BEGIN_NV04(push, NV04_TTRI(DRAWPRIMITIVE(0)), 1); \
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PUSH_DATA (push, draw); \
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}
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static void
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swtnl_points(struct gl_context *ctx, GLuint first, GLuint last)
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{
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}
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static void
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swtnl_line(struct gl_context *ctx, GLuint v1, GLuint v2)
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{
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}
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static void
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swtnl_triangle(struct gl_context *ctx, GLuint v1, GLuint v2, GLuint v3)
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{
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BEGIN_PRIMITIVE(3);
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OUT_VERTEX(v1);
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OUT_VERTEX(v2);
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OUT_VERTEX(v3);
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END_PRIMITIVE(0x102);
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}
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static void
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swtnl_quad(struct gl_context *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4)
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{
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BEGIN_PRIMITIVE(4);
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OUT_VERTEX(v1);
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OUT_VERTEX(v2);
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OUT_VERTEX(v3);
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OUT_VERTEX(v4);
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END_PRIMITIVE(0x213103);
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}
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/* TnL initialization. */
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void
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nv04_render_init(struct gl_context *ctx)
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{
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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tnl->Driver.RunPipeline = _tnl_run_pipeline;
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tnl->Driver.Render.Interp = _tnl_interp;
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tnl->Driver.Render.CopyPV = _tnl_copy_pv;
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tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
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tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine;
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tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
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tnl->Driver.Render.Start = swtnl_start;
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tnl->Driver.Render.Finish = swtnl_finish;
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tnl->Driver.Render.PrimitiveNotify = swtnl_primitive;
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tnl->Driver.Render.ResetLineStipple = swtnl_reset_stipple;
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tnl->Driver.Render.Points = swtnl_points;
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tnl->Driver.Render.Line = swtnl_line;
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tnl->Driver.Render.Triangle = swtnl_triangle;
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tnl->Driver.Render.Quad = swtnl_quad;
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_tnl_need_projected_coords(ctx, GL_TRUE);
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_tnl_init_vertices(ctx, tnl->vb.Size,
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NUM_VERTEX_ATTRS * 4 * sizeof(GLfloat));
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_tnl_allow_pixel_fog(ctx, GL_FALSE);
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}
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void
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nv04_render_destroy(struct gl_context *ctx)
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{
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}
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