diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxtris.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/glide/fxtris.c | 1834 |
1 files changed, 1834 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxtris.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxtris.c new file mode 100644 index 000000000..180637565 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxtris.c @@ -0,0 +1,1834 @@ +/* + * 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> + * Daniel Borca <dborca@users.sourceforge.net> + */ + +#include "glheader.h" + +#ifdef FX + +#include "imports.h" +#include "mtypes.h" +#include "macros.h" +#include "colormac.h" +#include "nvfragprog.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" + +#include "fxdrv.h" + + +static GLboolean fxMultipass_ColorSum (GLcontext *ctx, GLuint pass); + + +/* + * 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 ); + +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 +}; + +/*********************************************************************** + * 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 { \ + GrVertex *_v_[4]; \ + _v_[0] = d; \ + _v_[1] = a; \ + _v_[2] = b; \ + _v_[3] = c; \ + grDrawVertexArray(GR_TRIANGLE_FAN, 4, _v_);\ + /*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) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLuint ts0 = fxMesa->tmu_source[0]; + GLuint ts1 = fxMesa->tmu_source[1]; + GLfloat w = 1.0F / src->oow; + + dst->win[0] = src->x; + dst->win[1] = src->y; + dst->win[2] = src->ooz; + dst->win[3] = src->oow; + +#if FX_PACKEDCOLOR + dst->color[0] = src->pargb[2]; + dst->color[1] = src->pargb[1]; + dst->color[2] = src->pargb[0]; + dst->color[3] = src->pargb[3]; + + dst->specular[0] = src->pspec[2]; + dst->specular[1] = src->pspec[1]; + dst->specular[2] = src->pspec[0]; +#else /* !FX_PACKEDCOLOR */ + dst->color[0] = src->r; + dst->color[1] = src->g; + dst->color[2] = src->b; + dst->color[3] = src->a; + + dst->specular[0] = src->r1; + dst->specular[1] = src->g1; + dst->specular[2] = src->g1; +#endif /* !FX_PACKEDCOLOR */ + + dst->texcoord[ts0][0] = fxMesa->inv_s0scale * src->tmuvtx[0].sow * w; + dst->texcoord[ts0][1] = fxMesa->inv_t0scale * src->tmuvtx[0].tow * w; + + if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU0) + dst->texcoord[ts0][3] = src->tmuvtx[0].oow * w; + else + dst->texcoord[ts0][3] = 1.0F; + + 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; + + if (fxMesa->stw_hint_state & GR_STWHINT_W_DIFF_TMU1) + dst->texcoord[ts1][3] = src->tmuvtx[1].oow * w; + else + dst->texcoord[ts1][3] = 1.0F; + } + + dst->pointSize = src->psize; +} + + +static void +fx_fallback_tri( fxMesaContext fxMesa, + GrVertex *v0, + GrVertex *v1, + GrVertex *v2 ) +{ + GLcontext *ctx = fxMesa->glCtx; + 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] ); +} + + +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] ); +} + + +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] ); +} + +/*********************************************************************** + * Functions to draw basic primitives * + ***********************************************************************/ + +static void fx_print_vertex( GLcontext *ctx, const GrVertex *v ) +{ + fprintf(stderr, "fx_print_vertex:\n"); + + fprintf(stderr, "\tvertex at %p\n", (void *) v); + + fprintf(stderr, "\tx %f y %f z %f oow %f\n", v->x, v->y, v->ooz, v->oow); +#if FX_PACKEDCOLOR + fprintf(stderr, "\tr %d g %d b %d a %d\n", v->pargb[2], v->pargb[1], v->pargb[0], v->pargb[3]); +#else /* !FX_PACKEDCOLOR */ + fprintf(stderr, "\tr %f g %f b %f a %f\n", v->r, v->g, v->b, v->a); +#endif /* !FX_PACKEDCOLOR */ + + fprintf(stderr, "\n"); +} + +#define DO_FALLBACK 0 + +/* 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_triangle( fxMesaContext fxMesa, + GrVertex *v0, + GrVertex *v1, + GrVertex *v2 ) +{ + BEGIN_CLIP_LOOP(); + TRI( v0, v1, v2 ); + END_CLIP_LOOP(); +} + +static void fx_draw_line( fxMesaContext fxMesa, + GrVertex *v0, + GrVertex *v1 ) +{ + /* No support for wide lines (avoid wide/aa line fallback). + */ + BEGIN_CLIP_LOOP(); + LINE(v0, v1); + END_CLIP_LOOP(); +} + +static void fx_draw_point( fxMesaContext fxMesa, + GrVertex *v0 ) +{ + /* No support for wide points. + */ + BEGIN_CLIP_LOOP(); + POINT( v0 ); + END_CLIP_LOOP(); +} + +#ifndef M_2PI +#define M_2PI 6.28318530717958647692528676655901 +#endif +#define __GL_COSF cos +#define __GL_SINF sin +static void fx_draw_point_sprite ( fxMesaContext fxMesa, + GrVertex *v0, GLfloat psize ) +{ + const GLcontext *ctx = fxMesa->glCtx; + + GLfloat radius; + GrVertex _v_[4]; + GLuint ts0 = fxMesa->tmu_source[0]; + GLuint ts1 = fxMesa->tmu_source[1]; + GLfloat w = v0->oow; + GLfloat u0scale = fxMesa->s0scale * w; + GLfloat v0scale = fxMesa->t0scale * w; + GLfloat u1scale = fxMesa->s1scale * w; + GLfloat v1scale = fxMesa->t1scale * w; + + radius = psize / 2.0F; + _v_[0] = *v0; + _v_[1] = *v0; + _v_[2] = *v0; + _v_[3] = *v0; + /* CLIP_LOOP ?!? */ + /* point coverage? */ + /* we don't care about culling here (see fxSetupCull) */ + + if (ctx->Point.SpriteOrigin == GL_UPPER_LEFT) { + _v_[0].x -= radius; + _v_[0].y += radius; + _v_[1].x += radius; + _v_[1].y += radius; + _v_[2].x += radius; + _v_[2].y -= radius; + _v_[3].x -= radius; + _v_[3].y -= radius; + } else { + _v_[0].x -= radius; + _v_[0].y -= radius; + _v_[1].x += radius; + _v_[1].y -= radius; + _v_[2].x += radius; + _v_[2].y += radius; + _v_[3].x -= radius; + _v_[3].y += radius; + } + + if (ctx->Point.CoordReplace[ts0]) { + _v_[0].tmuvtx[0].sow = 0; + _v_[0].tmuvtx[0].tow = 0; + _v_[1].tmuvtx[0].sow = u0scale; + _v_[1].tmuvtx[0].tow = 0; + _v_[2].tmuvtx[0].sow = u0scale; + _v_[2].tmuvtx[0].tow = v0scale; + _v_[3].tmuvtx[0].sow = 0; + _v_[3].tmuvtx[0].tow = v0scale; + } + if (ctx->Point.CoordReplace[ts1]) { + _v_[0].tmuvtx[1].sow = 0; + _v_[0].tmuvtx[1].tow = 0; + _v_[1].tmuvtx[1].sow = u1scale; + _v_[1].tmuvtx[1].tow = 0; + _v_[2].tmuvtx[1].sow = u1scale; + _v_[2].tmuvtx[1].tow = v1scale; + _v_[3].tmuvtx[1].sow = 0; + _v_[3].tmuvtx[1].tow = v1scale; + } + + grDrawVertexArrayContiguous(GR_TRIANGLE_FAN, 4, _v_, sizeof(GrVertex)); +} + +static void fx_draw_point_wide ( fxMesaContext fxMesa, + GrVertex *v0 ) +{ + GLint i, n; + GLfloat ang, radius, oon; + GrVertex vtxB, vtxC; + GrVertex *_v_[3]; + + const GLcontext *ctx = fxMesa->glCtx; + const GLfloat psize = (ctx->_TriangleCaps & DD_POINT_ATTEN) + ? CLAMP(v0->psize, ctx->Point.MinSize, ctx->Point.MaxSize) + : ctx->Point._Size; /* clamped */ + + if (ctx->Point.PointSprite) { + fx_draw_point_sprite(fxMesa, v0, psize); + return; + } + + _v_[0] = v0; + _v_[1] = &vtxB; + _v_[2] = &vtxC; + + radius = psize / 2.0F; + n = IROUND(psize * 2); /* radius x 4 */ + if (n < 4) n = 4; + oon = 1.0F / (GLfloat)n; + + /* CLIP_LOOP ?!? */ + /* point coverage? */ + /* we don't care about culling here (see fxSetupCull) */ + + vtxB = *v0; + vtxC = *v0; + + vtxB.x += radius; + ang = M_2PI * oon; + vtxC.x += radius * __GL_COSF(ang); + vtxC.y += radius * __GL_SINF(ang); + grDrawVertexArray(GR_TRIANGLE_FAN, 3, _v_); + for (i = 2; i <= n; i++) { + ang = M_2PI * i * oon; + vtxC.x = v0->x + radius * __GL_COSF(ang); + vtxC.y = v0->y + radius * __GL_SINF(ang); + grDrawVertexArray(GR_TRIANGLE_FAN_CONTINUE, 1, &_v_[2]); + } +} + +static void fx_render_pw_verts( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + (void) flags; + + fxRenderPrimitive( ctx, GL_POINTS ); + + for ( ; start < count ; start++) + fx_draw_point_wide(fxMesa, fxVB + start); +} + +static void fx_render_pw_elts ( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; + (void) flags; + + fxRenderPrimitive( ctx, GL_POINTS ); + + for ( ; start < count ; start++) + fx_draw_point_wide(fxMesa, fxVB + elt[start]); +} + +static void fx_draw_point_wide_aa ( fxMesaContext fxMesa, + GrVertex *v0 ) +{ + GLint i, n; + GLfloat ang, radius, oon; + GrVertex vtxB, vtxC; + + const GLcontext *ctx = fxMesa->glCtx; + const GLfloat psize = (ctx->_TriangleCaps & DD_POINT_ATTEN) + ? CLAMP(v0->psize, ctx->Point.MinSize, ctx->Point.MaxSize) + : ctx->Point._Size; /* clamped */ + + if (ctx->Point.PointSprite) { + fx_draw_point_sprite(fxMesa, v0, psize); + return; + } + + radius = psize / 2.0F; + n = IROUND(psize * 2); /* radius x 4 */ + if (n < 4) n = 4; + oon = 1.0F / (GLfloat)n; + + /* CLIP_LOOP ?!? */ + /* point coverage? */ + /* we don't care about culling here (see fxSetupCull) */ + + vtxB = *v0; + vtxC = *v0; + + vtxB.x += radius; + for (i = 1; i <= n; i++) { + ang = M_2PI * i * oon; + vtxC.x = v0->x + radius * __GL_COSF(ang); + vtxC.y = v0->y + radius * __GL_SINF(ang); + grAADrawTriangle( v0, &vtxB, &vtxC, FXFALSE, FXTRUE, FXFALSE); + /*grDrawTriangle( v0, &vtxB, &vtxC);*/ + vtxB.x = vtxC.x; + vtxB.y = vtxC.y; + } +} +#undef __GLCOSF +#undef __GLSINF +#undef M_2PI + +#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_TWOSTENCIL_BIT 0x10 +#define FX_FALLBACK_BIT 0x20 +#define FX_MAX_TRIFUNC 0x40 + +static struct { + tnl_points_func points; + tnl_line_func line; + tnl_triangle_func triangle; + tnl_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_TWOSTENCIL (IND & FX_TWOSTENCIL_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 1 +#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 ) IS_NEGATIVE( a ) +#define GET_VERTEX(e) (fxMesa->verts + e) + + +#if FX_PACKEDCOLOR +#define VERT_SET_RGBA( dst, f ) \ +do { \ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pargb[2], f[0]);\ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pargb[1], f[1]);\ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pargb[0], f[2]);\ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pargb[3], f[3]);\ +} while (0) + +#define VERT_COPY_RGBA( v0, v1 ) \ + *(GLuint *)&v0->pargb = *(GLuint *)&v1->pargb + +#define VERT_SAVE_RGBA( idx ) \ + *(GLuint *)&color[idx] = *(GLuint *)&v[idx]->pargb + +#define VERT_RESTORE_RGBA( idx ) \ + *(GLuint *)&v[idx]->pargb = *(GLuint *)&color[idx] + + +#define VERT_SET_SPEC( dst, f ) \ +do { \ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pspec[2], f[0]);\ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pspec[1], f[1]);\ + UNCLAMPED_FLOAT_TO_UBYTE(dst->pspec[0], f[2]);\ +} while (0) + +#define VERT_COPY_SPEC( v0, v1 ) \ + *(GLuint *)&v0->pspec = *(GLuint *)&v1->pspec + +#define VERT_SAVE_SPEC( idx ) \ + *(GLuint *)&spec[idx] = *(GLuint *)&v[idx]->pspec + +#define VERT_RESTORE_SPEC( idx ) \ + *(GLuint *)&v[idx]->pspec = *(GLuint *)&spec[idx] + + +#define LOCAL_VARS(n) \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GLubyte color[n][4], spec[n][4]; \ + (void) color; (void) spec; +#else /* !FX_PACKEDCOLOR */ +#define VERT_SET_RGBA( dst, f ) \ +do { \ + CNORM(dst->r, f[0]); \ + CNORM(dst->g, f[1]); \ + CNORM(dst->b, f[2]); \ + CNORM(dst->a, f[3]); \ +} while (0) + +#define VERT_COPY_RGBA( v0, v1 ) \ +do { \ + COPY_FLOAT(v0->r, v1->r); \ + COPY_FLOAT(v0->g, v1->g); \ + COPY_FLOAT(v0->b, v1->b); \ + COPY_FLOAT(v0->a, v1->a); \ +} while (0) + +#define VERT_SAVE_RGBA( idx ) \ +do { \ + COPY_FLOAT(color[idx][0], v[idx]->r); \ + COPY_FLOAT(color[idx][1], v[idx]->g); \ + COPY_FLOAT(color[idx][2], v[idx]->b); \ + COPY_FLOAT(color[idx][3], v[idx]->a); \ +} while (0) + +#define VERT_RESTORE_RGBA( idx ) \ +do { \ + COPY_FLOAT(v[idx]->r, color[idx][0]); \ + COPY_FLOAT(v[idx]->g, color[idx][1]); \ + COPY_FLOAT(v[idx]->b, color[idx][2]); \ + COPY_FLOAT(v[idx]->a, color[idx][3]); \ +} while (0) + + +#define VERT_SET_SPEC( dst, f ) \ +do { \ + CNORM(dst->r1, f[0]); \ + CNORM(dst->g1, f[1]); \ + CNORM(dst->b1, f[2]); \ +} while (0) + +#define VERT_COPY_SPEC( v0, v1 ) \ +do { \ + COPY_FLOAT(v0->r1, v1->r1); \ + COPY_FLOAT(v0->g1, v1->g1); \ + COPY_FLOAT(v0->b1, v1->b1); \ +} while (0) + +#define VERT_SAVE_SPEC( idx ) \ +do { \ + COPY_FLOAT(spec[idx][0], v[idx]->r1); \ + COPY_FLOAT(spec[idx][1], v[idx]->g1); \ + COPY_FLOAT(spec[idx][2], v[idx]->b1); \ +} while (0) + +#define VERT_RESTORE_SPEC( idx ) \ +do { \ + COPY_FLOAT(v[idx]->r1, spec[idx][0]); \ + COPY_FLOAT(v[idx]->g1, spec[idx][1]); \ + COPY_FLOAT(v[idx]->b1, spec[idx][2]); \ +} while (0) + + +#define LOCAL_VARS(n) \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GLfloat color[n][4], spec[n][4]; \ + (void) color; (void) spec; +#endif /* !FX_PACKEDCOLOR */ + + +/*********************************************************************** + * Twoside stencil * + ***********************************************************************/ +#define SETUP_STENCIL(f) if (f) fxSetupStencilFace(ctx, f) +#define UNSET_STENCIL(f) if (f) fxSetupStencil(ctx) + + +/*********************************************************************** + * Functions to draw basic unfilled primitives * + ***********************************************************************/ + +#define RASTERIZE(x) if (fxMesa->raster_primitive != reduced_prim[x]) \ + fxRasterPrimitive( ctx, reduced_prim[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 "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT) +#define TAG(x) x##_offset +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT) +#define TAG(x) x##_twoside +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT) +#define TAG(x) x##_twoside_offset +#include "tnl_dd/t_dd_tritmp.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 "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_FALLBACK_BIT) +#define TAG(x) x##_offset_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_FALLBACK_BIT) +#define TAG(x) x##_twoside_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FALLBACK_BIT) +#define TAG(x) x##_twoside_offset_fallback +#include "tnl_dd/t_dd_tritmp.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_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_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_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" + + +/* 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_OFFSET_BIT|FX_FLAT_BIT) +#define TAG(x) x##_offset_flat +#include "tnl_dd/t_dd_tritmp.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) +#define TAG(x) x##_twoside_offset_flat +#include "tnl_dd/t_dd_tritmp.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_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_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_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_FALLBACK_BIT|FX_FLAT_BIT) +#define TAG(x) x##_fallback_flat +#include "tnl_dd/t_dd_tritmp.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_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_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" + + +/* 2-sided stencil begin */ +#define IND (FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_UNFILLED_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_unfilled_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_unfilled_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_unfilled_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_unfilled_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_unfilled_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_unfilled_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_unfilled_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT| \ + FX_FALLBACK_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_unfilled_fallback_twostencil +#include "tnl_dd/t_dd_tritmp.h" + + +/* Fx doesn't support provoking-vertex flat-shading? + */ +#define IND (FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_UNFILLED_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_unfilled_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_unfilled_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_unfilled_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_unfilled_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_unfilled_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_OFFSET_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_offset_unfilled_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_UNFILLED_BIT|FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_unfilled_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (FX_TWOSIDE_BIT|FX_OFFSET_BIT|FX_UNFILLED_BIT| \ + FX_FALLBACK_BIT|FX_FLAT_BIT|FX_TWOSTENCIL_BIT) +#define TAG(x) x##_twoside_offset_unfilled_fallback_flat_twostencil +#include "tnl_dd/t_dd_tritmp.h" +/* 2-sided stencil end */ + + +static void init_rast_tab( void ) +{ + init(); + init_offset(); + init_twoside(); + init_twoside_offset(); + init_unfilled(); + init_offset_unfilled(); + init_twoside_unfilled(); + init_twoside_offset_unfilled(); + init_fallback(); + init_offset_fallback(); + init_twoside_fallback(); + init_twoside_offset_fallback(); + init_unfilled_fallback(); + init_offset_unfilled_fallback(); + init_twoside_unfilled_fallback(); + init_twoside_offset_unfilled_fallback(); + + 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(); + + /* 2-sided stencil begin */ + init_twostencil(); + init_offset_twostencil(); + init_twoside_twostencil(); + init_twoside_offset_twostencil(); + init_unfilled_twostencil(); + init_offset_unfilled_twostencil(); + init_twoside_unfilled_twostencil(); + init_twoside_offset_unfilled_twostencil(); + init_fallback_twostencil(); + init_offset_fallback_twostencil(); + init_twoside_fallback_twostencil(); + init_twoside_offset_fallback_twostencil(); + init_unfilled_fallback_twostencil(); + init_offset_unfilled_fallback_twostencil(); + init_twoside_unfilled_fallback_twostencil(); + init_twoside_offset_unfilled_fallback_twostencil(); + + init_flat_twostencil(); + init_offset_flat_twostencil(); + init_twoside_flat_twostencil(); + init_twoside_offset_flat_twostencil(); + init_unfilled_flat_twostencil(); + init_offset_unfilled_flat_twostencil(); + init_twoside_unfilled_flat_twostencil(); + init_twoside_offset_unfilled_flat_twostencil(); + init_fallback_flat_twostencil(); + init_offset_fallback_flat_twostencil(); + init_twoside_fallback_flat_twostencil(); + init_twoside_offset_fallback_flat_twostencil(); + init_unfilled_fallback_flat_twostencil(); + init_offset_unfilled_fallback_flat_twostencil(); + init_twoside_unfilled_fallback_flat_twostencil(); + init_twoside_offset_unfilled_fallback_flat_twostencil(); + /* 2-sided stencil end */ +} + + +/**********************************************************************/ +/* Render whole begin/end objects */ +/**********************************************************************/ + + +/* Accelerate vertex buffer rendering when renderindex == 0 and + * there is no clipping. + */ +#define INIT(x) fxRenderPrimitive( ctx, x ) + +static void fx_render_vb_points( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLint i; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_points\n"); + } + + INIT(GL_POINTS); + + /* Adjust point coords */ + for (i = start; i < count; i++) { + fxVB[i].x += PNT_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y += PNT_Y_OFFSET - TRI_Y_OFFSET; + } + + grDrawVertexArrayContiguous( GR_POINTS, count-start, + fxVB + start, sizeof(GrVertex)); + /* restore point coords */ + for (i = start; i < count; i++) { + fxVB[i].x -= PNT_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y -= PNT_Y_OFFSET - TRI_Y_OFFSET; + } +} + +static void fx_render_vb_line_strip( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLint i; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_line_strip\n"); + } + + INIT(GL_LINE_STRIP); + + /* adjust line coords */ + for (i = start; i < count; i++) { + fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET; + } + + grDrawVertexArrayContiguous( GR_LINE_STRIP, count-start, + fxVB + start, sizeof(GrVertex)); + + /* restore line coords */ + for (i = start; i < count; i++) { + fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET; + } +} + +static void fx_render_vb_line_loop( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLint i; + GLint j = start; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_line_loop\n"); + } + + INIT(GL_LINE_LOOP); + + if (!(flags & PRIM_BEGIN)) { + j++; + } + + /* adjust line coords */ + for (i = start; i < count; i++) { + fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET; + } + + grDrawVertexArrayContiguous( GR_LINE_STRIP, count-j, + fxVB + j, sizeof(GrVertex)); + + if (flags & PRIM_END) + grDrawLine( fxVB + (count - 1), + fxVB + start ); + + /* restore line coords */ + for (i = start; i < count; i++) { + fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET; + } +} + +static void fx_render_vb_lines( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLint i; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_lines\n"); + } + + INIT(GL_LINES); + + /* adjust line coords */ + for (i = start; i < count; i++) { + fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET; + } + + grDrawVertexArrayContiguous( GR_LINES, count-start, + fxVB + start, sizeof(GrVertex)); + + /* restore line coords */ + for (i = start; i < count; i++) { + fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET; + fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET; + } +} + +static void fx_render_vb_triangles( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLuint j; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_triangles\n"); + } + + INIT(GL_TRIANGLES); + + for (j=start+2; j<count; j+=3) { + grDrawTriangle(fxVB + (j-2), fxVB + (j-1), fxVB + j); + } +} + + +static void fx_render_vb_tri_strip( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_tri_strip\n"); + } + + INIT(GL_TRIANGLE_STRIP); + + /* no GR_TRIANGLE_STRIP_CONTINUE?!? */ + + grDrawVertexArrayContiguous( GR_TRIANGLE_STRIP, count-start, + fxVB + start, sizeof(GrVertex)); +} + + +static void fx_render_vb_tri_fan( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_tri_fan\n"); + } + + INIT(GL_TRIANGLE_FAN); + + grDrawVertexArrayContiguous( GR_TRIANGLE_FAN, count-start, + fxVB + start, sizeof(GrVertex) ); +} + +static void fx_render_vb_quads( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + GLuint i; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_quads\n"); + } + + INIT(GL_QUADS); + + for (i = start + 3 ; i < count ; i += 4 ) { +#define VERT(x) (fxVB + (x)) + GrVertex *_v_[4]; + _v_[0] = VERT(i); + _v_[1] = VERT(i-3); + _v_[2] = VERT(i-2); + _v_[3] = VERT(i-1); + grDrawVertexArray(GR_TRIANGLE_FAN, 4, _v_); + /*grDrawTriangle( VERT(i-3), VERT(i-2), VERT(i) );*/ + /*grDrawTriangle( VERT(i-2), VERT(i-1), VERT(i) );*/ +#undef VERT + } +} + +static void fx_render_vb_quad_strip( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_quad_strip\n"); + } + + INIT(GL_QUAD_STRIP); + + count -= (count-start)&1; + + grDrawVertexArrayContiguous( GR_TRIANGLE_STRIP, + count-start, fxVB + start, sizeof(GrVertex)); +} + +static void fx_render_vb_poly( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrVertex *fxVB = fxMesa->verts; + (void) flags; + + if (TDFX_DEBUG & VERBOSE_VARRAY) { + fprintf(stderr, "fx_render_vb_poly\n"); + } + + INIT(GL_POLYGON); + + grDrawVertexArrayContiguous( GR_POLYGON, count-start, + fxVB + start, sizeof(GrVertex)); +} + +static void fx_render_vb_noop( GLcontext *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + (void) (ctx && start && count && flags); +} + +static void (*fx_render_tab_verts[GL_POLYGON+2])(GLcontext *, + GLuint, + GLuint, + GLuint) = +{ + fx_render_vb_points, + fx_render_vb_lines, + fx_render_vb_line_loop, + fx_render_vb_line_strip, + fx_render_vb_triangles, + fx_render_vb_tri_strip, + fx_render_vb_tri_fan, + fx_render_vb_quads, + fx_render_vb_quad_strip, + fx_render_vb_poly, + fx_render_vb_noop, +}; +#undef INIT + + +/**********************************************************************/ +/* Render whole (indexed) begin/end objects */ +/**********************************************************************/ + + +#define VERT(x) (vertptr + x) + +#define RENDER_POINTS( start, count ) \ + for ( ; start < count ; start++) \ + grDrawPoint( VERT(ELT(start)) ); + +#define RENDER_LINE( v0, v1 ) \ + grDrawLine( VERT(v0), VERT(v1) ) + +#define RENDER_TRI( v0, v1, v2 ) \ + grDrawTriangle( VERT(v0), VERT(v1), VERT(v2) ) + +#define RENDER_QUAD( v0, v1, v2, v3 ) \ + do { \ + GrVertex *_v_[4]; \ + _v_[0] = VERT(v3);\ + _v_[1] = VERT(v0);\ + _v_[2] = VERT(v1);\ + _v_[3] = VERT(v2);\ + grDrawVertexArray(GR_TRIANGLE_FAN, 4, _v_);\ + /*grDrawTriangle( VERT(v0), VERT(v1), VERT(v3) );*/\ + /*grDrawTriangle( VERT(v1), VERT(v2), VERT(v3) );*/\ + } while (0) + +#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; + +#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" + +/* Verts, no clipping. + */ +#undef ELT +#undef TAG +#define TAG(x) fx_##x##_verts +#define ELT(x) x +/*#include "tnl_dd/t_dd_rendertmp.h"*/ /* we have fx_render_vb_* now */ + + + +/**********************************************************************/ +/* Render clipped primitives */ +/**********************************************************************/ + + + +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; + } + + /* Restore the render primitive + */ + if (prim != GL_POLYGON) + tnl->Driver.Render.PrimitiveNotify( ctx, prim ); +} + + +static void fxFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts, + GLuint n ) +{ + int i; + fxMesaContext fxMesa = FX_CONTEXT( ctx ); + GrVertex *vertptr = fxMesa->verts; + if (n == 3) { + grDrawTriangle( VERT(elts[0]), VERT(elts[1]), VERT(elts[2]) ); + } else if (n <= 32) { + GrVertex *newvptr[32]; + for (i = 0 ; i < n ; i++) { + newvptr[i] = VERT(elts[i]); + } + grDrawVertexArray(GR_TRIANGLE_FAN, n, newvptr); + } else { + const GrVertex *start = VERT(elts[0]); + for (i = 2 ; i < n ; i++) { + grDrawTriangle( start, VERT(elts[i-1]), VERT(elts[i]) ); + } + } +} + +/**********************************************************************/ +/* Choose render functions */ +/**********************************************************************/ + + +#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 | DD_TRI_TWOSTENCIL) + + + +void fxDDChooseRenderState(GLcontext *ctx) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLuint flags = ctx->_TriangleCaps; + GLuint index = 0; + + if (flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) { + if (flags & ANY_RASTER_FLAGS) { + if (flags & DD_TRI_TWOSTENCIL) index |= FX_TWOSTENCIL_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 (flags & DD_FLATSHADE) index |= FX_FLAT_BIT; + } + + fxMesa->draw_point = fx_draw_point; + fxMesa->draw_line = fx_draw_line; + fxMesa->draw_tri = fx_draw_triangle; + + /* Hook in fallbacks for specific primitives. */ + if (flags & (POINT_FALLBACK| + LINE_FALLBACK| + TRI_FALLBACK)) + { + if (fxMesa->verbose) { + fprintf(stderr, "Voodoo ! fallback (%x), raster (%x)\n", + flags & ANY_FALLBACK_FLAGS, flags & ANY_RASTER_FLAGS); + } + + if (flags & POINT_FALLBACK) + fxMesa->draw_point = fx_fallback_point; + + if (flags & LINE_FALLBACK) + fxMesa->draw_line = fx_fallback_line; + + if (flags & TRI_FALLBACK) + fxMesa->draw_tri = fx_fallback_tri; + + index |= FX_FALLBACK_BIT; + } + } + + 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; + + if (index == 0) { + tnl->Driver.Render.PrimTabVerts = fx_render_tab_verts; + tnl->Driver.Render.PrimTabElts = fx_render_tab_elts; + tnl->Driver.Render.ClippedPolygon = fxFastRenderClippedPoly; + } else { + tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; + tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; + tnl->Driver.Render.ClippedPolygon = fxRenderClippedPoly; + } + + fxMesa->render_index = index; + + /* [dBorca] Hack alert: more a trick than a real plug-in!!! */ + if (flags & (DD_POINT_SIZE | DD_POINT_ATTEN)) { + /* We need to set the point primitive to go through "rast_tab", + * to make sure "POINT" calls "fxMesa->draw_point" instead of + * "grDrawPoint". We can achieve this by using FX_FALLBACK_BIT + * (not really a total rasterization fallback, so we don't alter + * "fxMesa->render_index"). If we get here with DD_POINT_SMOOTH, + * we're done, cos we've already set _tnl_render_tab_{verts|elts} + * above. Otherwise, the T&L engine can optimize point rendering + * by using fx_render_tab_{verts|elts} hence the extra work. + */ + if (flags & DD_POINT_SMOOTH) { + fxMesa->draw_point = fx_draw_point_wide_aa; + } else { + fxMesa->draw_point = fx_draw_point_wide; + fx_render_tab_verts[0] = fx_render_pw_verts; + fx_render_tab_elts[0] = fx_render_pw_elts; + } + tnl->Driver.Render.Points = rast_tab[index|FX_FALLBACK_BIT].points; + } else { + fx_render_tab_verts[0] = fx_render_vb_points; + fx_render_tab_elts[0] = fx_render_points_elts; + } +} + + +/**********************************************************************/ +/* Runtime render state and callbacks */ +/**********************************************************************/ + +static void fxRunPipeline( GLcontext *ctx ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLuint new_gl_state = fxMesa->new_gl_state; + + if (TDFX_DEBUG & VERBOSE_PIPELINE) { + fprintf(stderr, "fxRunPipeline()\n"); + } + +#if 0 + /* Recalculate fog table on projection matrix changes. This used to + * be triggered by the NearFar callback. + */ + if (new_gl_state & _NEW_PROJECTION) + fxMesa->new_state |= FX_NEW_FOG; +#endif + + if (new_gl_state & _FX_NEW_IS_IN_HARDWARE) + fxCheckIsInHardware(ctx); + + if (fxMesa->new_state) + fxSetupFXUnits(ctx); + + if (!fxMesa->fallback) { + if (new_gl_state & _FX_NEW_RENDERSTATE) + fxDDChooseRenderState(ctx); + + if (new_gl_state & _FX_NEW_SETUP_FUNCTION) + fxChooseVertexState(ctx); + } + + if (new_gl_state & _NEW_TEXTURE) { + struct gl_texture_unit *t0 = &ctx->Texture.Unit[fxMesa->tmu_source[0]]; + struct gl_texture_unit *t1 = &ctx->Texture.Unit[fxMesa->tmu_source[1]]; + + if (t0->_Current && FX_TEXTURE_DATA(t0)) { + fxMesa->s0scale = FX_TEXTURE_DATA(t0)->sScale; + fxMesa->t0scale = FX_TEXTURE_DATA(t0)->tScale; + fxMesa->inv_s0scale = 1.0F / fxMesa->s0scale; + fxMesa->inv_t0scale = 1.0F / fxMesa->t0scale; + } + + if (t1->_Current && FX_TEXTURE_DATA(t1)) { + fxMesa->s1scale = FX_TEXTURE_DATA(t1)->sScale; + fxMesa->t1scale = FX_TEXTURE_DATA(t1)->tScale; + fxMesa->inv_s1scale = 1.0F / fxMesa->s1scale; + fxMesa->inv_t1scale = 1.0F / fxMesa->t1scale; + } + } + + fxMesa->new_gl_state = 0; + + _tnl_run_pipeline( ctx ); +} + + + +/* Always called between RenderStart and RenderFinish --> We already + * hold the lock. + */ +static void fxRasterPrimitive( GLcontext *ctx, GLenum prim ) +{ + fxMesaContext fxMesa = FX_CONTEXT( ctx ); + + fxMesa->raster_primitive = prim; + + fxSetupCull(ctx); +} + + + +/* Determine the rasterized primitive when not drawing unfilled + * polygons. + */ +static void fxRenderPrimitive( GLcontext *ctx, GLenum prim ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLuint rprim = reduced_prim[prim]; + + fxMesa->render_primitive = prim; + + if (rprim == GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED)) + return; + + if (fxMesa->raster_primitive != rprim) { + fxRasterPrimitive( ctx, rprim ); + } +} + +static void fxRenderFinish( GLcontext *ctx ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + + if (fxMesa->render_index & FX_FALLBACK_BIT) + _swrast_flush( ctx ); +} + + + +/**********************************************************************/ +/* Manage total rasterization fallbacks */ +/**********************************************************************/ + +static char *fallbackStrings[] = { + "3D/Rect/Cube Texture map", + "glDrawBuffer(GL_FRONT_AND_BACK)", + "Separate specular color", + "glEnable/Disable(GL_STENCIL_TEST)", + "glRenderMode(selection or feedback)", + "glLogicOp()", + "Texture env mode", + "Texture border", + "glColorMask", + "blend mode", + "multitex" +}; + + +static char *getFallbackString(GLuint bit) +{ + int i = 0; + while (bit > 1) { + i++; + bit >>= 1; + } + return fallbackStrings[i]; +} + + +void fxCheckIsInHardware( GLcontext *ctx ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint oldfallback = fxMesa->fallback; + GLuint newfallback = fxMesa->fallback = fx_check_IsInHardware( ctx ); + + if (newfallback) { + if (oldfallback == 0) { + if (fxMesa->verbose) { + fprintf(stderr, "Voodoo ! enter SW 0x%08x %s\n", newfallback, getFallbackString(newfallback)); + } + _swsetup_Wakeup( ctx ); + } + } + else { + if (oldfallback) { + _swrast_flush( ctx ); + tnl->Driver.Render.Start = fxCheckTexSizes; + tnl->Driver.Render.Finish = fxRenderFinish; + 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; + fxChooseVertexState(ctx); + fxDDChooseRenderState(ctx); + if (fxMesa->verbose) { + fprintf(stderr, "Voodoo ! leave SW 0x%08x %s\n", oldfallback, getFallbackString(oldfallback)); + } + } + tnl->Driver.Render.Multipass = NULL; + if (HAVE_SPEC && NEED_SECONDARY_COLOR(ctx)) { + tnl->Driver.Render.Multipass = fxMultipass_ColorSum; + /* obey stencil, but do not change it */ + fxMesa->multipass = GL_TRUE; + if (fxMesa->unitsState.stencilEnabled) { + fxMesa->new_state |= FX_NEW_STENCIL; + } + } + } +} + +void fxDDInitTriFuncs( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + static int firsttime = 1; + + if (firsttime) { + init_rast_tab(); + firsttime = 0; + } + + tnl->Driver.RunPipeline = fxRunPipeline; + tnl->Driver.Render.Start = fxCheckTexSizes; + tnl->Driver.Render.Finish = fxRenderFinish; + 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 = NULL; + + (void) fx_print_vertex; +} + + +/* [dBorca] Hack alert: + * doesn't work with blending. + */ +static GLboolean +fxMultipass_ColorSum (GLcontext *ctx, GLuint pass) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + tfxUnitsState *us = &fxMesa->unitsState; + + static int t0 = 0; + static int t1 = 0; + + switch (pass) { + case 1: /* first pass: the TEXTURED triangles are drawn */ + /* set stencil's real values */ + fxMesa->multipass = GL_FALSE; + if (us->stencilEnabled) { + fxSetupStencil(ctx); + } + /* save per-pass data */ + fxMesa->restoreUnitsState = *us; + /* turn off texturing */ + t0 = ctx->Texture.Unit[0]._ReallyEnabled; + t1 = ctx->Texture.Unit[1]._ReallyEnabled; + ctx->Texture.Unit[0]._ReallyEnabled = 0; + ctx->Texture.Unit[1]._ReallyEnabled = 0; + /* SUM the colors */ + fxDDBlendEquationSeparate(ctx, GL_FUNC_ADD, GL_FUNC_ADD); + fxDDBlendFuncSeparate(ctx, GL_ONE, GL_ONE, GL_ZERO, GL_ONE); + fxDDEnable(ctx, GL_BLEND, GL_TRUE); + /* make sure we draw only where we want to */ + if (us->depthTestEnabled) { + switch (us->depthTestFunc) { + default: + fxDDDepthFunc(ctx, GL_EQUAL); + case GL_NEVER: + case GL_ALWAYS: + ; + } + fxDDDepthMask(ctx, GL_FALSE); + } + /* switch to secondary colors */ +#if FX_PACKEDCOLOR + grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_PSPEC_OFFSET << 2, GR_PARAM_ENABLE); +#else /* !FX_PACKEDCOLOR */ + grVertexLayout(GR_PARAM_RGB, GR_VERTEX_SPEC_OFFSET << 2, GR_PARAM_ENABLE); +#endif /* !FX_PACKEDCOLOR */ + /* don't advertise new state */ + fxMesa->new_state = 0; + break; + case 2: /* 2nd pass (last): the secondary color is summed over texture */ + /* restore original state */ + *us = fxMesa->restoreUnitsState; + /* restore texturing */ + ctx->Texture.Unit[0]._ReallyEnabled = t0; + ctx->Texture.Unit[1]._ReallyEnabled = t1; + /* revert to primary colors */ +#if FX_PACKEDCOLOR + grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_PARGB_OFFSET << 2, GR_PARAM_ENABLE); +#else /* !FX_PACKEDCOLOR */ + grVertexLayout(GR_PARAM_RGB, GR_VERTEX_RGB_OFFSET << 2, GR_PARAM_ENABLE); +#endif /* !FX_PACKEDCOLOR */ + break; + default: + assert(0); /* NOTREACHED */ + } + + /* update HW state */ + fxSetupBlend(ctx); + fxSetupDepthTest(ctx); + fxSetupTexture(ctx); + + return (pass == 1); +} + + +#else + + +/* + * Need this to provide at least one external definition. + */ + +extern int gl_fx_dummy_function_tris(void); +int +gl_fx_dummy_function_tris(void) +{ + return 0; +} + +#endif /* FX */ |