diff options
Diffstat (limited to 'src/mesa/drivers/dri/ffb/ffb_vb.c')
| -rw-r--r-- | src/mesa/drivers/dri/ffb/ffb_vb.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/ffb/ffb_vb.c b/src/mesa/drivers/dri/ffb/ffb_vb.c new file mode 100644 index 00000000000..6ba1eabbf24 --- /dev/null +++ b/src/mesa/drivers/dri/ffb/ffb_vb.c @@ -0,0 +1,209 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vb.c,v 1.4 2002/02/22 21:32:59 dawes Exp $ + * + * GLX Hardware Device Driver for Sun Creator/Creator3D + * Copyright (C) 2000, 2001 David S. Miller + * + * 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 + * DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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. + * + * + * David S. Miller <davem@redhat.com> + */ + +#include "ffb_xmesa.h" +#include "ffb_context.h" +#include "ffb_vb.h" +#include "imports.h" +#include "tnl/t_context.h" +#include "swrast_setup/swrast_setup.h" +#include "math/m_translate.h" + +#undef VB_DEBUG + +static void ffb_copy_pv_oneside(GLcontext *ctx, GLuint edst, GLuint esrc) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + ffb_vertex *dst = &fmesa->verts[edst]; + ffb_vertex *src = &fmesa->verts[esrc]; + +#ifdef VB_DEBUG + fprintf(stderr, "ffb_copy_pv_oneside: edst(%d) esrc(%d)\n", edst, esrc); +#endif + dst->color[0].alpha = src->color[0].alpha; + dst->color[0].red = src->color[0].red; + dst->color[0].green = src->color[0].green; + dst->color[0].blue = src->color[0].blue; +} + +static void ffb_copy_pv_twoside(GLcontext *ctx, GLuint edst, GLuint esrc) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + ffb_vertex *dst = &fmesa->verts[edst]; + ffb_vertex *src = &fmesa->verts[esrc]; + +#ifdef VB_DEBUG + fprintf(stderr, "ffb_copy_pv_twoside: edst(%d) esrc(%d)\n", edst, esrc); +#endif + dst->color[0].alpha = src->color[0].alpha; + dst->color[0].red = src->color[0].red; + dst->color[0].green = src->color[0].green; + dst->color[0].blue = src->color[0].blue; + dst->color[1].alpha = src->color[1].alpha; + dst->color[1].red = src->color[1].red; + dst->color[1].green = src->color[1].green; + dst->color[1].blue = src->color[1].blue; +} + +#define FFB_VB_RGBA_BIT 0x01 +#define FFB_VB_XYZ_BIT 0x02 +#define FFB_VB_TWOSIDE_BIT 0x04 +#define FFB_VB_MAX 0x08 + +typedef void (*ffb_emit_func)(GLcontext *, GLuint, GLuint); + +static struct { + ffb_emit_func emit; + tnl_interp_func interp; +} setup_tab[FFB_VB_MAX]; + + +#define IND (FFB_VB_XYZ_BIT) +#define TAG(x) x##_w +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_RGBA_BIT) +#define TAG(x) x##_g +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_XYZ_BIT | FFB_VB_RGBA_BIT) +#define TAG(x) x##_wg +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_TWOSIDE_BIT) +#define TAG(x) x##_t +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_XYZ_BIT | FFB_VB_TWOSIDE_BIT) +#define TAG(x) x##_wt +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_RGBA_BIT | FFB_VB_TWOSIDE_BIT) +#define TAG(x) x##_gt +#include "ffb_vbtmp.h" + +#define IND (FFB_VB_XYZ_BIT | FFB_VB_RGBA_BIT | FFB_VB_TWOSIDE_BIT) +#define TAG(x) x##_wgt +#include "ffb_vbtmp.h" + +static void init_setup_tab( void ) +{ + init_w(); + init_g(); + init_wg(); + init_t(); + init_wt(); + init_gt(); + init_wgt(); +} + +#ifdef VB_DEBUG +static void ffbPrintSetupFlags(char *msg, GLuint flags) +{ + fprintf(stderr, "%s(%x): %s%s%s\n", + msg, + (int)flags, + (flags & FFB_VB_XYZ_BIT) ? " xyz," : "", + (flags & FFB_VB_RGBA_BIT) ? " rgba," : "", + (flags & FFB_VB_TWOSIDE_BIT) ? " twoside," : ""); +} +#endif + +static void ffbDDBuildVertices(GLcontext *ctx, GLuint start, GLuint count, + GLuint newinputs) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + + newinputs |= fmesa->setupnewinputs; + fmesa->setupnewinputs = 0; + + if (!newinputs) + return; + + if (newinputs & VERT_BIT_POS) { + setup_tab[fmesa->setupindex].emit(ctx, start, count); + } else { + GLuint ind = 0; + + if (newinputs & VERT_BIT_COLOR0) + ind |= (FFB_VB_RGBA_BIT | FFB_VB_TWOSIDE_BIT); + + ind &= fmesa->setupindex; + + if (ind) + setup_tab[ind].emit(ctx, start, count); + } +} + +void ffbChooseVertexState( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + int ind = FFB_VB_XYZ_BIT | FFB_VB_RGBA_BIT; + + if (ctx->_TriangleCaps & DD_TRI_LIGHT_TWOSIDE) + ind |= FFB_VB_TWOSIDE_BIT; + +#ifdef VB_DEBUG + ffbPrintSetupFlags("ffb: full setup function", ind); +#endif + + fmesa->setupindex = ind; + + tnl->Driver.Render.BuildVertices = ffbDDBuildVertices; + tnl->Driver.Render.Interp = setup_tab[ind].interp; + if (ind & FFB_VB_TWOSIDE_BIT) + tnl->Driver.Render.CopyPV = ffb_copy_pv_twoside; + else + tnl->Driver.Render.CopyPV = ffb_copy_pv_oneside; +} + +void ffbInitVB( GLcontext *ctx ) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + GLuint size = TNL_CONTEXT(ctx)->vb.Size; + + fmesa->verts = (ffb_vertex *)ALIGN_MALLOC(size * sizeof(ffb_vertex), 32); + + { + static int firsttime = 1; + if (firsttime) { + init_setup_tab(); + firsttime = 0; + } + } +} + + +void ffbFreeVB( GLcontext *ctx ) +{ + ffbContextPtr fmesa = FFB_CONTEXT(ctx); + if (fmesa->verts) { + ALIGN_FREE(fmesa->verts); + fmesa->verts = 0; + } +} |