+/* $Id: fxtris.c,v 1.21 2002/10/29 20:28:57 brianp Exp $ */
+/*
+ * Mesa 3-D graphics library
+ * Version: 4.0
+ *
+ * Copyright (C) 1999-2001 Brian Paul 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 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
+ * BRIAN PAUL 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.
+ */
+
+/* Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
-#endif
+#include "glheader.h"
-#if defined(FX)
+#ifdef FX
+
+#include "mtypes.h"
+#include "macros.h"
+#include "colormac.h"
-#include "mmath.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
-
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
#include "fxdrv.h"
-#include "fxglidew.h"
-
-
-
-
-
-
-static void
-fx_draw_point(GLcontext * ctx, const fxVertex * v)
+/*
+ * Subpixel offsets to adjust Mesa's (true) window coordinates to
+ * Glide coordinates. We need these to ensure precise rasterization.
+ * Otherwise, we'll fail a bunch of conformance tests.
+ */
+#define TRI_X_OFFSET ( 0.0F)
+#define TRI_Y_OFFSET ( 0.0F)
+#define LINE_X_OFFSET ( 0.0F)
+#define LINE_Y_OFFSET ( 0.125F)
+#define PNT_X_OFFSET ( 0.375F)
+#define PNT_Y_OFFSET ( 0.375F)
+
+static void fxRasterPrimitive( GLcontext *ctx, GLenum prim );
+static void fxRenderPrimitive( GLcontext *ctx, GLenum prim );
+
+/***********************************************************************
+ * Macros for t_dd_tritmp.h to draw basic primitives *
+ ***********************************************************************/
+
+#define TRI( a, b, c ) \
+do { \
+ if (DO_FALLBACK) \
+ fxMesa->draw_tri( fxMesa, a, b, c ); \
+ else \
+ grDrawTriangle( a, b, c ); \
+} while (0) \
+
+#define QUAD( a, b, c, d ) \
+do { \
+ if (DO_FALLBACK) { \
+ fxMesa->draw_tri( fxMesa, a, b, d ); \
+ fxMesa->draw_tri( fxMesa, b, c, d ); \
+ } else { \
+ grDrawTriangle( a, b, d ); \
+ grDrawTriangle( b, c, d ); \
+ } \
+} while (0)
+
+#define LINE( v0, v1 ) \
+do { \
+ if (DO_FALLBACK) \
+ fxMesa->draw_line( fxMesa, v0, v1 ); \
+ else { \
+ v0->x += LINE_X_OFFSET - TRI_X_OFFSET; \
+ v0->y += LINE_Y_OFFSET - TRI_Y_OFFSET; \
+ v1->x += LINE_X_OFFSET - TRI_X_OFFSET; \
+ v1->y += LINE_Y_OFFSET - TRI_Y_OFFSET; \
+ grDrawLine( v0, v1 ); \
+ v0->x -= LINE_X_OFFSET - TRI_X_OFFSET; \
+ v0->y -= LINE_Y_OFFSET - TRI_Y_OFFSET; \
+ v1->x -= LINE_X_OFFSET - TRI_X_OFFSET; \
+ v1->y -= LINE_Y_OFFSET - TRI_Y_OFFSET; \
+ } \
+} while (0)
+
+#define POINT( v0 ) \
+do { \
+ if (DO_FALLBACK) \
+ fxMesa->draw_point( fxMesa, v0 ); \
+ else { \
+ v0->x += PNT_X_OFFSET - TRI_X_OFFSET; \
+ v0->y += PNT_Y_OFFSET - TRI_Y_OFFSET; \
+ grDrawPoint( v0 ); \
+ v0->x -= PNT_X_OFFSET - TRI_X_OFFSET; \
+ v0->y -= PNT_Y_OFFSET - TRI_Y_OFFSET; \
+ } \
+} while (0)
+
+
+/***********************************************************************
+ * Fallback to swrast for basic primitives *
+ ***********************************************************************/
+
+/* Build an SWvertex from a hardware vertex.
+ *
+ * This code is hit only when a mix of accelerated and unaccelerated
+ * primitives are being drawn, and only for the unaccelerated
+ * primitives.
+ */
+static void
+fx_translate_vertex( GLcontext *ctx, const GrVertex *src, SWvertex *dst)
{
- GLfloat sz = ctx->Point._Size;
-
- if (sz <= 1.0) {
- grDrawPoint(&(v->v));
- }
- else {
- GrVertex verts[4];
-
- sz *= .5;
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GLuint ts0 = fxMesa->tmu_source[0];
+ GLuint ts1 = fxMesa->tmu_source[1];
+ GLfloat w = 1.0 / src->oow;
- verts[0] = v->v;
- verts[1] = v->v;
- verts[2] = v->v;
- verts[3] = v->v;
+ dst->win[0] = src->x;
+ dst->win[1] = src->y;
+ dst->win[2] = src->ooz;
+ dst->win[3] = src->oow;
- verts[0].x = v->v.x - sz;
- verts[0].y = v->v.y - sz;
+ dst->color[0] = (GLubyte) src->r;
+ dst->color[1] = (GLubyte) src->g;
+ dst->color[2] = (GLubyte) src->b;
+ dst->color[3] = (GLubyte) src->a;
- verts[1].x = v->v.x + sz;
- verts[1].y = v->v.y - sz;
+ dst->texcoord[ts0][0] = fxMesa->inv_s0scale * src->tmuvtx[0].sow * w;
+ dst->texcoord[ts0][1] = fxMesa->inv_t0scale * src->tmuvtx[0].tow * w;
- verts[2].x = v->v.x + sz;
- verts[2].y = v->v.y + sz;
+ if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU0)
+ dst->texcoord[ts0][3] = src->tmuvtx[0].oow * w;
+ else
+ dst->texcoord[ts0][3] = 1.0;
- verts[3].x = v->v.x - sz;
- verts[3].y = v->v.y + sz;
+ if (fxMesa->SetupIndex & SETUP_TMU1) {
+ dst->texcoord[ts1][0] = fxMesa->inv_s1scale * src->tmuvtx[1].sow * w;
+ dst->texcoord[ts1][1] = fxMesa->inv_t1scale * src->tmuvtx[1].tow * w;
- grDrawTriangle(&verts[0], &verts[1], &verts[3]);
- grDrawTriangle(&verts[1], &verts[2], &verts[3]);
+ if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU1)
+ dst->texcoord[ts1][3] = src->tmuvtx[1].oow * w;
+ else
+ dst->texcoord[ts1][3] = 1.0;
}
+
+ dst->pointSize = ctx->Point._Size;
}
-static void
-fx_draw_line(GLcontext * ctx, const fxVertex * v0, const fxVertex * v1)
+static void
+fx_fallback_tri( fxMesaContext fxMesa,
+ GrVertex *v0,
+ GrVertex *v1,
+ GrVertex *v2 )
{
- float width = ctx->Line.Width;
-
- if (width <= 1.0) {
- grDrawLine(&(v0->v), &(v1->v));
- }
- else {
- GrVertex verts[4];
- float dx, dy, ix, iy;
-
- dx = v0->v.x - v1->v.x;
- dy = v0->v.y - v1->v.y;
-
- if (dx * dx > dy * dy) {
- iy = width * .5;
- ix = 0;
- }
- else {
- iy = 0;
- ix = width * .5;
- }
-
+ GLcontext *ctx = fxMesa->glCtx;
+ SWvertex v[3];
- verts[0] = v0->v;
- verts[0].x -= ix;
- verts[0].y -= iy;
+ fx_translate_vertex( ctx, v0, &v[0] );
+ fx_translate_vertex( ctx, v1, &v[1] );
+ fx_translate_vertex( ctx, v2, &v[2] );
+ _swrast_Triangle( ctx, &v[0], &v[1], &v[2] );
+}
- verts[1] = v0->v;
- verts[1].x += ix;
- verts[1].y += iy;
- verts[2] = v1->v;
- verts[2].x += ix;
- verts[2].y += iy;
+static void
+fx_fallback_line( fxMesaContext fxMesa,
+ GrVertex *v0,
+ GrVertex *v1 )
+{
+ GLcontext *ctx = fxMesa->glCtx;
+ SWvertex v[2];
+ fx_translate_vertex( ctx, v0, &v[0] );
+ fx_translate_vertex( ctx, v1, &v[1] );
+ _swrast_Line( ctx, &v[0], &v[1] );
+}
- verts[3] = v1->v;
- verts[3].x -= ix;
- verts[3].y -= iy;
- grDrawTriangle(&verts[0], &verts[1], &verts[3]);
- grDrawTriangle(&verts[1], &verts[2], &verts[3]);
- }
+static void
+fx_fallback_point( fxMesaContext fxMesa,
+ GrVertex *v0 )
+{
+ GLcontext *ctx = fxMesa->glCtx;
+ SWvertex v[1];
+ fx_translate_vertex( ctx, v0, &v[0] );
+ _swrast_Point( ctx, &v[0] );
}
-static void
-fx_draw_tri(GLcontext * ctx, const fxVertex * v0, const fxVertex * v1,
- const fxVertex * v2)
+/***********************************************************************
+ * Functions to draw basic primitives *
+ ***********************************************************************/
+
+static void fx_print_vertex( GLcontext *ctx, const GrVertex *v )
{
- grDrawTriangle(&(v0->v), &(v1->v), &(v2->v));
+ fprintf(stderr, "vertex at %p\n", (void *) v);
+
+ fprintf(stderr, "x %f y %f z %f oow %f\n",
+ v->x, v->y, v->ooz, v->oow);
+ fprintf(stderr, "r %f g %f b %f a %f\n",
+ v->r,
+ v->g,
+ v->b,
+ v->a);
+
+ fprintf(stderr, "\n");
}
+#define DO_FALLBACK 0
-
-#define FX_COLOR(vert, c) { \
- GLubyte *col = c; \
- vert->v.r=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[0]); \
- vert->v.g=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[1]); \
- vert->v.b=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[2]); \
- vert->v.a=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[3]); \
+/* Need to do clip loop at each triangle when mixing swrast and hw
+ * rendering. These functions are only used when mixed-mode rendering
+ * is occurring.
+ */
+static void fx_draw_quad( fxMesaContext fxMesa,
+ GrVertex *v0,
+ GrVertex *v1,
+ GrVertex *v2,
+ GrVertex *v3 )
+{
+ QUAD( v0, v1, v2, v3 );
}
-#define FX_COPY_COLOR( dst, src ) { \
- dst->v.r = src->v.r; \
- dst->v.g = src->v.g; \
- dst->v.b = src->v.b; \
- dst->v.a = src->v.a; \
+static void fx_draw_triangle( fxMesaContext fxMesa,
+ GrVertex *v0,
+ GrVertex *v1,
+ GrVertex *v2 )
+{
+ TRI( v0, v1, v2 );
}
+static void fx_draw_line( fxMesaContext fxMesa,
+ GrVertex *v0,
+ GrVertex *v1 )
+{
+ /* No support for wide lines (avoid wide/aa line fallback).
+ */
+ LINE(v0, v1);
+}
-
-#define FX_FLAT_BIT 0x01
-#define FX_OFFSET_BIT 0x02
-#define FX_TWOSIDE_BIT 0x04
-#define FX_UNFILLED_BIT 0x10
-#define FX_FALLBACK_BIT 0x20
-#define FX_MAX_TRIFUNC 0x40
-
-static struct
+static void fx_draw_point( fxMesaContext fxMesa,
+ GrVertex *v0 )
{
- points_func points;
- line_func line;
- triangle_func triangle;
- quad_func quad;
+ /* No support for wide points.
+ */
+ POINT( v0 );
}
-rast_tab[FX_MAX_TRIFUNC];
+#undef DO_FALLBACK
+
+
+#define FX_UNFILLED_BIT 0x1
+#define FX_OFFSET_BIT 0x2
+#define FX_TWOSIDE_BIT 0x4
+#define FX_FLAT_BIT 0x8
+#define FX_FALLBACK_BIT 0x10
+#define FX_MAX_TRIFUNC 0x20
+
+static struct {
+ points_func points;
+ line_func line;
+ triangle_func triangle;
+ quad_func quad;
+} rast_tab[FX_MAX_TRIFUNC];
+
+#define DO_FALLBACK (IND & FX_FALLBACK_BIT)
+#define DO_OFFSET (IND & FX_OFFSET_BIT)
+#define DO_UNFILLED (IND & FX_UNFILLED_BIT)
+#define DO_TWOSIDE (IND & FX_TWOSIDE_BIT)
+#define DO_FLAT (IND & FX_FLAT_BIT)
+#define DO_TRI 1
+#define DO_QUAD 1
+#define DO_LINE 1
+#define DO_POINTS 1
+#define DO_FULL_QUAD 1
+
+#define HAVE_RGBA 1
+#define HAVE_SPEC 0
+#define HAVE_HW_FLATSHADE 0
+#define HAVE_BACK_COLORS 0
+#define VERTEX GrVertex
+#define TAB rast_tab
+
+#define DEPTH_SCALE 1.0
+#define UNFILLED_TRI unfilled_tri
+#define UNFILLED_QUAD unfilled_quad
+#define VERT_X(_v) _v->x
+#define VERT_Y(_v) _v->y
+#define VERT_Z(_v) _v->ooz
+#define AREA_IS_CCW( a ) (a < 0)
+#define GET_VERTEX(e) (fxMesa->verts + e)
+
+#define VERT_SET_RGBA( dst, f ) \
+do { \
+ dst->r = (GLfloat)f[0]; \
+ dst->g = (GLfloat)f[1]; \
+ dst->b = (GLfloat)f[2]; \
+ dst->a = (GLfloat)f[3]; \
+} while (0)
+
+#define VERT_COPY_RGBA( v0, v1 ) \
+do { \
+ v0->r = v1->r; \
+ v0->g = v1->g; \
+ v0->b = v1->b; \
+ v0->a = v1->a; \
+} while (0)
+
+#define VERT_SAVE_RGBA( idx ) \
+do { \
+ color[idx][0] = v[idx]->r; \
+ color[idx][1] = v[idx]->g; \
+ color[idx][2] = v[idx]->b; \
+ color[idx][3] = v[idx]->a; \
+} while (0)
+
+
+#define VERT_RESTORE_RGBA( idx ) \
+do { \
+ v[idx]->r = color[idx][0]; \
+ v[idx]->g = color[idx][1]; \
+ v[idx]->b = color[idx][2]; \
+ v[idx]->a = color[idx][3]; \
+} while (0)
+
+
+#define LOCAL_VARS(n) \
+ fxMesaContext fxMesa = FX_CONTEXT(ctx); \
+ GLfloat color[n][4]; \
+ (void) color;
+
+
+
+/***********************************************************************
+ * Functions to draw basic unfilled primitives *
+ ***********************************************************************/
+
+#define RASTERIZE(x) if (fxMesa->raster_primitive != x) \
+ fxRasterPrimitive( ctx, x )
+#define RENDER_PRIMITIVE fxMesa->render_primitive
+#define IND FX_FALLBACK_BIT
+#define TAG(x) x
+#include "tnl_dd/t_dd_unfilled.h"
+#undef IND
+
+/***********************************************************************
+ * Functions to draw GL primitives *
+ ***********************************************************************/
#define IND (0)
#define TAG(x) x
-#include "fxtritmp.h"
-
-#define IND (FX_FLAT_BIT)
-#define TAG(x) x##_flat
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
#define IND (FX_OFFSET_BIT)
#define TAG(x) x##_offset
-#include "fxtritmp.h"
-
-#define IND (FX_OFFSET_BIT | FX_FLAT_BIT)
-#define TAG(x) x##_offset_flat
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
#define IND (FX_TWOSIDE_BIT)
#define TAG(x) x##_twoside
-#include "fxtritmp.h"
-
-#define IND (FX_TWOSIDE_BIT | FX_FLAT_BIT)
-#define TAG(x) x##_twoside_flat
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT)
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT)
#define TAG(x) x##_twoside_offset
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FLAT_BIT)
-#define TAG(x) x##_twoside_offset_flat
-#include "fxtritmp.h"
+#define IND (FX_UNFILLED_BIT)
+#define TAG(x) x##_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT)
+#define TAG(x) x##_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT)
+#define TAG(x) x##_twoside_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT)
+#define TAG(x) x##_twoside_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
#define IND (FX_FALLBACK_BIT)
#define TAG(x) x##_fallback
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_FLAT_BIT | FX_FALLBACK_BIT)
-#define TAG(x) x##_flat_fallback
-#include "fxtritmp.h"
-
-#define IND (FX_OFFSET_BIT | FX_FALLBACK_BIT)
+#define IND (FX_OFFSET_BIT|FX_FALLBACK_BIT)
#define TAG(x) x##_offset_fallback
-#include "fxtritmp.h"
-
-#define IND (FX_OFFSET_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT)
-#define TAG(x) x##_offset_flat_fallback
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_FALLBACK_BIT)
+#define IND (FX_TWOSIDE_BIT|FX_FALLBACK_BIT)
#define TAG(x) x##_twoside_fallback
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT)
-#define TAG(x) x##_twoside_flat_fallback
-#include "fxtritmp.h"
-
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FALLBACK_BIT)
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FALLBACK_BIT)
#define TAG(x) x##_twoside_offset_fallback
-#include "fxtritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT)
-#define TAG(x) x##_twoside_offset_flat_fallback
-#include "fxtritmp.h"
+#define IND (FX_UNFILLED_BIT|FX_FALLBACK_BIT)
+#define TAG(x) x##_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_UNFILLED_BIT)
-#define TAG(x) x##_unfilled
-#include "fxtritmp.h"
+#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT)
+#define TAG(x) x##_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_FLAT_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_flat_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT)
+#define TAG(x) x##_twoside_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_OFFSET_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_offset_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT| \
+ FX_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_OFFSET_BIT | FX_FLAT_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_offset_flat_unfilled
-#include "fxtritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_unfilled
-#include "fxtritmp.h"
+/* Fx doesn't support provoking-vertex flat-shading?
+ */
+#define IND (FX_FLAT_BIT)
+#define TAG(x) x##_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_FLAT_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_flat_unfilled
-#include "fxtritmp.h"
+#define IND (FX_OFFSET_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_offset_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_offset_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FLAT_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_offset_flat_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_offset_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_UNFILLED_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_unfilled_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_FLAT_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_flat_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_offset_unfilled_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_OFFSET_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_offset_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_unfilled_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_OFFSET_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_offset_flat_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_flat_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_offset_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_offset_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (FX_TWOSIDE_BIT | FX_OFFSET_BIT | FX_FLAT_BIT | FX_FALLBACK_BIT | FX_UNFILLED_BIT)
-#define TAG(x) x##_twoside_offset_flat_fallback_unfilled
-#include "fxtritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_offset_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_unfilled_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_offset_unfilled_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_unfilled_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT| \
+ FX_FALLBACK_BIT|FX_FLAT_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_fallback_flat
+#include "tnl_dd/t_dd_tritmp.h"
-void
-fxDDTrifuncInit(void)
+static void init_rast_tab( void )
{
init();
- init_flat();
init_offset();
- init_offset_flat();
init_twoside();
- init_twoside_flat();
init_twoside_offset();
- init_twoside_offset_flat();
+ init_unfilled();
+ init_offset_unfilled();
+ init_twoside_unfilled();
+ init_twoside_offset_unfilled();
init_fallback();
- init_flat_fallback();
init_offset_fallback();
- init_offset_flat_fallback();
init_twoside_fallback();
- init_twoside_flat_fallback();
init_twoside_offset_fallback();
- init_twoside_offset_flat_fallback();
+ init_unfilled_fallback();
+ init_offset_unfilled_fallback();
+ init_twoside_unfilled_fallback();
+ init_twoside_offset_unfilled_fallback();
- init_unfilled();
- init_flat_unfilled();
- init_offset_unfilled();
- init_offset_flat_unfilled();
- init_twoside_unfilled();
- init_twoside_flat_unfilled();
- init_twoside_offset_unfilled();
- init_twoside_offset_flat_unfilled();
- init_fallback_unfilled();
- init_flat_fallback_unfilled();
- init_offset_fallback_unfilled();
- init_offset_flat_fallback_unfilled();
- init_twoside_fallback_unfilled();
- init_twoside_flat_fallback_unfilled();
- init_twoside_offset_fallback_unfilled();
- init_twoside_offset_flat_fallback_unfilled();
+ init_flat();
+ init_offset_flat();
+ init_twoside_flat();
+ init_twoside_offset_flat();
+ init_unfilled_flat();
+ init_offset_unfilled_flat();
+ init_twoside_unfilled_flat();
+ init_twoside_offset_unfilled_flat();
+ init_fallback_flat();
+ init_offset_fallback_flat();
+ init_twoside_fallback_flat();
+ init_twoside_offset_fallback_flat();
+ init_unfilled_fallback_flat();
+ init_offset_unfilled_fallback_flat();
+ init_twoside_unfilled_fallback_flat();
+ init_twoside_offset_unfilled_fallback_flat();
}
-/* Build an SWvertex from a GrVertex. This is workable because in
- * states where the GrVertex is insufficent (eg separate-specular),
- * the driver initiates a total fallback, and builds SWvertices
- * directly -- it recognizes that it will never have use for the
- * GrVertex.
- *
- * This code is hit only when a mix of accelerated and unaccelerated
- * primitives are being drawn, and only for the unaccelerated
- * primitives.
- */
-static void
-fx_translate_vertex(GLcontext * ctx, const fxVertex * src, SWvertex * dst)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GLuint ts0 = fxMesa->tmu_source[0];
- GLuint ts1 = fxMesa->tmu_source[1];
- GLfloat w = 1.0 / src->v.oow;
-
- dst->win[0] = src->v.x;
- dst->win[1] = src->v.y;
- dst->win[2] = src->v.ooz;
- dst->win[3] = src->v.oow;
-
- dst->color[0] = (GLubyte) src->v.r;
- dst->color[1] = (GLubyte) src->v.g;
- dst->color[2] = (GLubyte) src->v.b;
- dst->color[3] = (GLubyte) src->v.a;
- dst->texcoord[ts0][0] = fxMesa->inv_s0scale * src->v.tmuvtx[0].sow * w;
- dst->texcoord[ts0][1] = fxMesa->inv_t0scale * src->v.tmuvtx[0].tow * w;
+/**********************************************************************/
+/* Render whole (indexed) begin/end objects */
+/**********************************************************************/
- if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU0)
- dst->texcoord[ts0][3] = src->v.tmuvtx[0].oow * w;
- else
- dst->texcoord[ts0][3] = 1.0;
- dst->texcoord[ts1][0] = fxMesa->inv_s1scale * src->v.tmuvtx[1].sow * w;
- dst->texcoord[ts1][1] = fxMesa->inv_t1scale * src->v.tmuvtx[1].tow * w;
+#define VERT(x) (vertptr + x)
- if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU1)
- dst->texcoord[ts1][3] = src->v.tmuvtx[1].oow * w;
- else
- dst->texcoord[ts1][3] = 1.0;
-}
+#define RENDER_POINTS( start, count ) \
+ for ( ; start < count ; start++) \
+ grDrawPoint( VERT(ELT(start)) );
+#define RENDER_LINE( v0, v1 ) \
+ grDrawLine( VERT(v0), VERT(v1) )
-static void
-fx_fallback_tri(GLcontext * ctx,
- const fxVertex * v0, const fxVertex * v1, const fxVertex * v2)
-{
- SWvertex v[3];
- fx_translate_vertex(ctx, v0, &v[0]);
- fx_translate_vertex(ctx, v1, &v[1]);
- fx_translate_vertex(ctx, v2, &v[2]);
- _swrast_Triangle(ctx, &v[0], &v[1], &v[2]);
-}
+#define RENDER_TRI( v0, v1, v2 ) \
+ grDrawTriangle( VERT(v0), VERT(v1), VERT(v2) )
+#define RENDER_QUAD( v0, v1, v2, v3 ) \
+ fx_draw_quad( fxMesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
-static void
-fx_fallback_line(GLcontext * ctx, const fxVertex * v0, const fxVertex * v1)
-{
- SWvertex v[2];
- fx_translate_vertex(ctx, v0, &v[0]);
- fx_translate_vertex(ctx, v1, &v[1]);
- _swrast_Line(ctx, &v[0], &v[1]);
-}
+#define INIT(x) fxRenderPrimitive( ctx, x )
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ fxMesaContext fxMesa = FX_CONTEXT(ctx); \
+ GrVertex *vertptr = fxMesa->verts; \
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
+ (void) elt;
-static void
-fx_fallback_point(GLcontext * ctx, const fxVertex * v0)
-{
- SWvertex v[1];
- fx_translate_vertex(ctx, v0, &v[0]);
- _swrast_Point(ctx, &v[0]);
-}
+#define RESET_STIPPLE
+#define RESET_OCCLUSION
+#define PRESERVE_VB_DEFS
+/* Elts, no clipping.
+ */
+#undef ELT
+#undef TAG
+#define TAG(x) fx_##x##_elts
+#define ELT(x) elt[x]
+#include "tnl_dd/t_dd_rendertmp.h"
-/* System to turn culling off for rasterized lines and points, and
- * back on for rasterized triangles.
+/* Verts, no clipping.
*/
-static void
-fx_cull_draw_tri(GLcontext * ctx,
- const fxVertex * v0, const fxVertex * v1,
- const fxVertex * v2)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
+#undef ELT
+#undef TAG
+#define TAG(x) fx_##x##_verts
+#define ELT(x) x
+#include "tnl_dd/t_dd_rendertmp.h"
- FX_grCullMode(fxMesa->cullMode);
- fxMesa->draw_line = fxMesa->initial_line;
- fxMesa->draw_point = fxMesa->initial_point;
- fxMesa->draw_tri = fxMesa->subsequent_tri;
- fxMesa->draw_tri(ctx, v0, v1, v2);
-}
+/**********************************************************************/
+/* Render clipped primitives */
+/**********************************************************************/
-static void
-fx_cull_draw_line(GLcontext * ctx, const fxVertex * v0, const fxVertex * v1)
+
+static void fxRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
{
fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint prim = fxMesa->render_primitive;
+
+ /* Render the new vertices as an unclipped polygon.
+ */
+ {
+ GLuint *tmp = VB->Elts;
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n,
+ PRIM_BEGIN|PRIM_END );
+ VB->Elts = tmp;
+ }
- FX_grCullMode(GR_CULL_DISABLE);
-
- fxMesa->draw_point = fxMesa->initial_point;
- fxMesa->draw_tri = fxMesa->initial_tri;
- fxMesa->draw_line = fxMesa->subsequent_line;
-
- fxMesa->draw_line(ctx, v0, v1);
+ /* Restore the render primitive
+ */
+ if (prim != GL_POLYGON)
+ tnl->Driver.Render.PrimitiveNotify( ctx, prim );
}
-static void
-fx_cull_draw_point(GLcontext * ctx, const fxVertex * v0)
+static void fxFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
- FX_grCullMode(GR_CULL_DISABLE);
-
- fxMesa->draw_line = fxMesa->initial_line;
- fxMesa->draw_tri = fxMesa->initial_tri;
- fxMesa->draw_point = fxMesa->subsequent_point;
-
- fxMesa->draw_point(ctx, v0);
+ fxMesaContext fxMesa = FX_CONTEXT( ctx );
+ GrVertex *vertptr = fxMesa->verts;
+ const GrVertex *start = VERT(elts[0]);
+ int i;
+ for (i = 2 ; i < n ; i++) {
+ grDrawTriangle( start, VERT(elts[i-1]), VERT(elts[i]) );
+ }
}
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
-static void
-fx_null_tri(GLcontext * ctx,
- const fxVertex * v0, const fxVertex * v1, const fxVertex * v2)
-{
- (void) v0;
- (void) v1;
- (void) v2;
-}
+#define POINT_FALLBACK (DD_POINT_SMOOTH)
+#define LINE_FALLBACK (DD_LINE_STIPPLE)
+#define TRI_FALLBACK (DD_TRI_SMOOTH | DD_TRI_STIPPLE)
+#define ANY_FALLBACK_FLAGS (POINT_FALLBACK | LINE_FALLBACK | TRI_FALLBACK)
+#define ANY_RASTER_FLAGS (DD_FLATSHADE | DD_TRI_LIGHT_TWOSIDE | DD_TRI_OFFSET \
+ | DD_TRI_UNFILLED)
-/**********************************************************************/
-/* Render whole begin/end objects */
-/**********************************************************************/
+void fxDDChooseRenderState(GLcontext *ctx)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GLuint flags = ctx->_TriangleCaps;
+ GLuint index = 0;
+/* fprintf(stderr, "%s\n", __FUNCTION__); */
-/* Vertices, no clipping.
- */
-#define RENDER_POINTS( start, count ) \
- for ( ; start < count ; start++) \
- grDrawPoint( &v[ELT(start)].v );
+ if (flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) {
+ if (flags & ANY_RASTER_FLAGS) {
+ if (flags & DD_TRI_LIGHT_TWOSIDE) index |= FX_TWOSIDE_BIT;
+ if (flags & DD_TRI_OFFSET) index |= FX_OFFSET_BIT;
+ if (flags & DD_TRI_UNFILLED) index |= FX_UNFILLED_BIT;
+ if (flags & DD_FLATSHADE) index |= FX_FLAT_BIT;
+ }
-#define RENDER_LINE( i1, i ) \
- grDrawLine( &v[i1].v, &v[i].v )
+ fxMesa->draw_point = fx_draw_point;
+ fxMesa->draw_line = fx_draw_line;
+ fxMesa->draw_tri = fx_draw_triangle;
-#define RENDER_TRI( i2, i1, i ) \
- grDrawTriangle( &v[i2].v, &v[i1].v, &v[i].v )
+ /* Hook in fallbacks for specific primitives.
+ *
+ *
+ */
+ if (flags & (POINT_FALLBACK|
+ LINE_FALLBACK|
+ TRI_FALLBACK))
+ {
+ if (flags & POINT_FALLBACK)
+ fxMesa->draw_point = fx_fallback_point;
+
+ if (flags & LINE_FALLBACK)
+ fxMesa->draw_line = fx_fallback_line;
+
+ if (flags & TRI_FALLBACK) {
+/* fprintf(stderr, "tri fallback\n"); */
+ fxMesa->draw_tri = fx_fallback_tri;
+ }
+
+ index |= FX_FALLBACK_BIT;
+ }
+ }
-#define RENDER_QUAD( i3, i2, i1, i ) \
- grDrawTriangle( &v[i3].v, &v[i2].v, &v[i].v ); \
- grDrawTriangle( &v[i2].v, &v[i1].v, &v[i].v )
+/* fprintf(stderr, "render index %x\n", index); */
-#define TAG(x) fx_##x##_verts
-#define LOCAL_VARS \
- fxVertex *v = FX_CONTEXT(ctx)->verts; \
- const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
- (void) elt;
+ tnl->Driver.Render.Points = rast_tab[index].points;
+ tnl->Driver.Render.Line = rast_tab[index].line;
+ tnl->Driver.Render.ClippedLine = rast_tab[index].line;
+ tnl->Driver.Render.Triangle = rast_tab[index].triangle;
+ tnl->Driver.Render.Quad = rast_tab[index].quad;
-/* Verts, no clipping.
- */
-#define ELT(x) x
-#define RESET_STIPPLE
-#define RESET_OCCLUSION
-#define PRESERVE_VB_DEFS
-#include "tnl/t_vb_rendertmp.h"
+ if (index == 0) {
+ tnl->Driver.Render.PrimTabVerts = fx_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = fx_render_tab_elts;
+ tnl->Driver.Render.ClippedPolygon = fxFastRenderClippedPoly;
+ tnl->Driver.Render.ClippedPolygon = fxRenderClippedPoly;
-/* Elts, no clipping.
- */
-#undef ELT
-#undef TAG
-#define TAG(x) fx_##x##_elts
-#define ELT(x) elt[x]
-#include "tnl/t_vb_rendertmp.h"
+ } else {
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ClippedPolygon = fxRenderClippedPoly;
+ }
+}
/**********************************************************************/
-/* Choose render functions */
+/* Runtime render state and callbacks */
/**********************************************************************/
+static GLenum reduced_prim[GL_POLYGON+1] = {
+ GL_POINTS,
+ GL_LINES,
+ GL_LINES,
+ GL_LINES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES
+};
-#define POINT_FALLBACK (DD_POINT_SMOOTH )
-#define LINE_FALLBACK (DD_LINE_STIPPLE)
-#define TRI_FALLBACK (DD_TRI_SMOOTH | DD_TRI_STIPPLE )
-#define ANY_FALLBACK (POINT_FALLBACK | LINE_FALLBACK | TRI_FALLBACK)
+/* Always called between RenderStart and RenderFinish --> We already
+ * hold the lock.
+ */
+static void fxRasterPrimitive( GLcontext *ctx, GLenum prim )
+{
+ fxMesaContext fxMesa = FX_CONTEXT( ctx );
-#define ANY_RENDER_FLAGS (DD_FLATSHADE | \
- DD_TRI_LIGHT_TWOSIDE | \
- DD_TRI_OFFSET | \
- DD_TRI_UNFILLED)
+ fxMesa->raster_primitive = prim;
+ if (prim == GL_TRIANGLES)
+ grCullMode( fxMesa->cullMode );
+ else
+ grCullMode( GR_CULL_DISABLE );
+}
-/* Setup the Point, Line, Triangle and Quad functions based on the
- * current rendering state. Wherever possible, use the hardware to
- * render the primitive. Otherwise, fallback to software rendering.
+/* Determine the rasterized primitive when not drawing unfilled
+ * polygons.
*/
-void
-fxDDChooseRenderState(GLcontext * ctx)
+static void fxRenderPrimitive( GLcontext *ctx, GLenum prim )
{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GLuint flags = ctx->_TriangleCaps;
- GLuint index = 0;
+ GLuint rprim = reduced_prim[prim];
- if (!fxMesa->is_in_hardware) {
- /* Build software vertices directly. No acceleration is
- * possible. GrVertices may be insufficient for this mode.
- */
- tnl->Driver.PointsFunc = _swsetup_Points;
- tnl->Driver.LineFunc = _swsetup_Line;
- tnl->Driver.TriangleFunc = _swsetup_Triangle;
- tnl->Driver.QuadFunc = _swsetup_Quad;
- tnl->Driver.RenderTabVerts = _tnl_render_tab_verts;
- tnl->Driver.RenderTabElts = _tnl_render_tab_elts;
-
- fxMesa->render_index = FX_FALLBACK_BIT;
- return;
- }
+ fxMesa->render_primitive = prim;
- if (flags & ANY_RENDER_FLAGS) {
- if (flags & DD_FLATSHADE)
- index |= FX_FLAT_BIT;
- if (flags & DD_TRI_LIGHT_TWOSIDE)
- index |= FX_TWOSIDE_BIT;
- if (flags & DD_TRI_OFFSET)
- index |= FX_OFFSET_BIT;
- if (flags & DD_TRI_UNFILLED)
- index |= FX_UNFILLED_BIT;
+ if (rprim == GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
+ return;
+
+ if (fxMesa->raster_primitive != rprim) {
+ fxRasterPrimitive( ctx, rprim );
}
+}
- if (flags & (ANY_FALLBACK |
- DD_LINE_WIDTH | DD_POINT_SIZE | DD_TRI_CULL_FRONT_BACK)) {
-
- /* Hook in fallbacks for specific primitives.
-
- * Set up a system to turn culling on/off for wide points and
- * lines. Alternately: figure out what tris to send so that
- * culling isn't a problem.
- *
- * This replaces the ReducedPrimitiveChange mechanism.
- */
- index |= FX_FALLBACK_BIT;
- fxMesa->initial_point = fx_cull_draw_point;
- fxMesa->initial_line = fx_cull_draw_line;
- fxMesa->initial_tri = fx_cull_draw_tri;
-
- fxMesa->subsequent_point = fx_draw_point;
- fxMesa->subsequent_line = fx_draw_line;
- fxMesa->subsequent_tri = fx_draw_tri;
-
- if (flags & POINT_FALLBACK)
- fxMesa->initial_point = fx_fallback_point;
-
- if (flags & LINE_FALLBACK)
- fxMesa->initial_line = fx_fallback_line;
- if ((flags & DD_LINE_SMOOTH) && ctx->Line.Width != 1.0)
- fxMesa->initial_line = fx_fallback_line;
- if (flags & TRI_FALLBACK)
- fxMesa->initial_tri = fx_fallback_tri;
+/**********************************************************************/
+/* Manage total rasterization fallbacks */
+/**********************************************************************/
- if (flags & DD_TRI_CULL_FRONT_BACK)
- fxMesa->initial_tri = fx_null_tri;
- fxMesa->draw_point = fxMesa->initial_point;
- fxMesa->draw_line = fxMesa->initial_line;
- fxMesa->draw_tri = fxMesa->initial_tri;
- }
- else if (fxMesa->render_index & FX_FALLBACK_BIT) {
- FX_grCullMode(fxMesa->cullMode);
- }
+void fxCheckIsInHardware( GLcontext *ctx )
+{
+ fxMesaContext fxMesa = (fxMesaContext) ctx->DriverCtx;
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint oldfallback = !fxMesa->is_in_hardware;
+ GLuint newfallback;
- tnl->Driver.PointsFunc = rast_tab[index].points;
- tnl->Driver.LineFunc = rast_tab[index].line;
- tnl->Driver.TriangleFunc = rast_tab[index].triangle;
- tnl->Driver.QuadFunc = rast_tab[index].quad;
- fxMesa->render_index = index;
+ fxMesa->is_in_hardware = fx_check_IsInHardware( ctx );
+ newfallback = !fxMesa->is_in_hardware;
- if (fxMesa->render_index == 0) {
- tnl->Driver.RenderTabVerts = fx_render_tab_verts;
- tnl->Driver.RenderTabElts = fx_render_tab_elts;
+ if (newfallback) {
+ if (oldfallback == 0) {
+/* fprintf(stderr, "goint to fallback\n"); */
+ _swsetup_Wakeup( ctx );
+ }
}
else {
- tnl->Driver.RenderTabVerts = _tnl_render_tab_verts;
- tnl->Driver.RenderTabElts = _tnl_render_tab_elts;
+ if (oldfallback) {
+/* fprintf(stderr, "leaving fallback\n"); */
+ _swrast_flush( ctx );
+ tnl->Driver.Render.Start = fxCheckTexSizes;
+ tnl->Driver.Render.Finish = _swrast_flush;
+ tnl->Driver.Render.PrimitiveNotify = fxRenderPrimitive;
+ tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
+ tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine;
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = fxBuildVertices;
+ tnl->Driver.Render.Multipass = 0;
+ fxChooseVertexState(ctx);
+ fxDDChooseRenderState(ctx);
+ }
}
}
+void fxDDInitTriFuncs( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ static int firsttime = 1;
+ if (firsttime) {
+ init_rast_tab();
+ firsttime = 0;
+ }
+
+ tnl->Driver.Render.Start = fxCheckTexSizes;
+ tnl->Driver.Render.Finish = _swrast_flush;
+ tnl->Driver.Render.PrimitiveNotify = fxRenderPrimitive;
+ tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
+ tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine;
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = fxBuildVertices;
+ tnl->Driver.Render.Multipass = 0;
+
+ (void) fx_print_vertex;
+}
#else
* Need this to provide at least one external definition.
*/
-extern int gl_fx_dummy_function_trifuncs(void);
+extern int gl_fx_dummy_function_tris(void);
int
-gl_fx_dummy_function_trifuncs(void)
+gl_fx_dummy_function_tris(void)
{
return 0;
}