diff options
Diffstat (limited to 'src/mesa/drivers/common/t_dd_vb.c')
-rw-r--r-- | src/mesa/drivers/common/t_dd_vb.c | 222 |
1 files changed, 221 insertions, 1 deletions
diff --git a/src/mesa/drivers/common/t_dd_vb.c b/src/mesa/drivers/common/t_dd_vb.c index 1841346985..7b6f3bd25f 100644 --- a/src/mesa/drivers/common/t_dd_vb.c +++ b/src/mesa/drivers/common/t_dd_vb.c @@ -1,4 +1,224 @@ - /* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999 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. + * + * Author: + * Keith Whitwell <keithw@valinux.com> + */ + +#if (HAVE_HW_VIEWPORT) +#define UNVIEWPORT_VARS +#define UNVIEWPORT_X(x) x +#define UNVIEWPORT_Y(x) x +#define UNVIEWPORT_Z(x) x +#endif + +/* These don't need to be duplicated, but there's currently nowhere + * really convenient to put them. Need to build some actual .o files in + * this directory? */ +static void copy_pv_rgba4_spec5( GLcontext *ctx, GLuint edst, GLuint esrc ) +{ + GLubyte *verts = GET_VERTEX_STORE(); + GLuint shift = GET_VERTEX_STRIDE_SHIFT(); + GLuint *dst = (GLuint *)(verts + (edst << shift)); + GLuint *src = (GLuint *)(verts + (esrc << shift)); + dst[4] = src[4]; + dst[5] = src[5]; +} + +static void copy_pv_rgba4( GLcontext *ctx, GLuint edst, GLuint esrc ) +{ + GLubyte *verts = GET_VERTEX_STORE(); + GLuint shift = GET_VERTEX_STRIDE_SHIFT(); + GLuint *dst = (GLuint *)(verts + (edst << shift)); + GLuint *src = (GLuint *)(verts + (esrc << shift)); + dst[4] = src[4]; +} + +static void copy_pv_rgba3( GLcontext *ctx, GLuint edst, GLuint esrc ) +{ + GLubyte *verts = GET_VERTEX_STORE(); + GLuint shift = GET_VERTEX_STRIDE_SHIFT(); + GLuint *dst = (GLuint *)(verts + (edst << shift)); + GLuint *src = (GLuint *)(verts + (esrc << shift)); + dst[3] = src[3]; +} + + +void TAG(translate_vertex)(GLcontext *ctx, + const VERTEX *src, + SWvertex *dst) +{ + GLuint format = GET_VERTEX_FORMAT(); + GLfloat *s = ctx->Viewport._WindowMap.m; + UNVIEWPORT_VARS; + + if (format == TINY_VERTEX_FORMAT) { + dst->win[0] = s[0] * src->v.x + s[12]; + dst->win[1] = s[5] * src->v.y + s[13]; + dst->win[2] = s[10] * src->v.z + s[14]; + dst->win[3] = 1.0; + + dst->color[0] = src->tv.color.red; + dst->color[1] = src->tv.color.green; + dst->color[2] = src->tv.color.blue; + dst->color[3] = src->tv.color.alpha; + } + else { + GLfloat oow = (HAVE_HW_DIVIDE) ? 1.0 / src->v.w : src->v.w; + + if (HAVE_HW_VIEWPORT) { + dst->win[0] = s[0] * src->v.x * oow + s[12]; + dst->win[1] = s[5] * src->v.y * oow + s[13]; + dst->win[2] = s[10] * src->v.z * oow + s[14]; + dst->win[3] = oow; + } else { + dst->win[0] = UNVIEWPORT_X( src->v.x ); + dst->win[1] = UNVIEWPORT_Y( src->v.y ); + dst->win[2] = UNVIEWPORT_Z( src->v.z ); + dst->win[3] = oow; + } + + dst->color[0] = src->v.color.red; + dst->color[1] = src->v.color.green; + dst->color[2] = src->v.color.blue; + dst->color[3] = src->v.color.alpha; + + dst->specular[0] = src->v.specular.red; + dst->specular[1] = src->v.specular.green; + dst->specular[2] = src->v.specular.blue; + + dst->fog = src->v.color.alpha/255.0; + + if (HAVE_PTEX_VERTICES && + ((HAVE_TEX2_VERTICES && format == PROJ_TEX3_VERTEX_FORMAT) || + (format == PROJ_TEX1_VERTEX_FORMAT))) { + + dst->texcoord[0][0] = src->pv.u0; + dst->texcoord[0][1] = src->pv.v0; + dst->texcoord[0][3] = src->pv.q0; + + dst->texcoord[1][0] = src->pv.u1; + dst->texcoord[1][1] = src->pv.v1; + dst->texcoord[1][3] = src->pv.q1; + + if (HAVE_TEX2_VERTICES) { + dst->texcoord[2][0] = src->pv.u2; + dst->texcoord[2][1] = src->pv.v2; + dst->texcoord[2][3] = src->pv.q2; + } + + if (HAVE_TEX3_VERTICES) { + dst->texcoord[3][0] = src->pv.u3; + dst->texcoord[3][1] = src->pv.v3; + dst->texcoord[3][3] = src->pv.q3; + } + } + else { + dst->texcoord[0][0] = src->v.u0; + dst->texcoord[0][1] = src->v.v0; + dst->texcoord[0][3] = 1.0; + + dst->texcoord[1][0] = src->v.u1; + dst->texcoord[1][1] = src->v.v1; + dst->texcoord[1][3] = 1.0; + + if (HAVE_TEX2_VERTICES) { + dst->texcoord[2][0] = src->v.u2; + dst->texcoord[2][1] = src->v.v2; + dst->texcoord[2][3] = 1.0; + } + + if (HAVE_TEX3_VERTICES) { + dst->texcoord[3][0] = src->v.u3; + dst->texcoord[3][1] = src->v.v3; + dst->texcoord[3][3] = 1.0; + } + } + } + + dst->pointSize = ctx->Point._Size; +} + +#if 0 +static void +mga_translate_vertex( GLcontext *ctx, const mgaVertex *src, SWvertex *dst) +{ + mgaContextPtr mmesa = MGA_CONTEXT(ctx); + + dst->win[0] = src->v.x - mmesa->drawX - SUBPIXEL_X; + dst->win[1] = - src->v.y + mmesa->driDrawable->h + mmesa->drawY + SUBPIXEL_Y; + dst->win[2] = src->v.z / mmesa->depth_scale; + dst->win[3] = src->v.oow; + + dst->color[0] = src->v.color.red; + dst->color[1] = src->v.color.green; + dst->color[2] = src->v.color.blue; + dst->color[3] = src->v.color.alpha; + + if (mmesa->tmu_source[0] == 0) { + dst->texcoord[0][0] = src->v.tu0; + dst->texcoord[0][1] = src->v.tv0; + dst->texcoord[0][3] = 1.0; + } else { + dst->texcoord[1][0] = src->v.tu0; + dst->texcoord[1][1] = src->v.tv0; + dst->texcoord[1][3] = 1.0; + } + + dst->texcoord[1][0] = src->v.tu1; + dst->texcoord[1][1] = src->v.tv1; + dst->texcoord[1][3] = 1.0; + + dst->pointSize = ctx->Point._Size; +} +#endif + + +void TAG(print_vertex)( GLcontext *ctx, const VERTEX *v ) +{ + GLuint format = GET_VERTEX_FORMAT(); + + if (format == TINY_VERTEX_FORMAT) { + fprintf(stderr, "x %f y %f z %f\n", v->v.x, v->v.y, v->v.z); + fprintf(stderr, "r %d g %d b %d a %d\n", + v->tv.color.red, + v->tv.color.green, + v->tv.color.blue, + v->tv.color.alpha); + } + else { + fprintf(stderr, "x %f y %f z %f oow %f\n", + v->v.x, v->v.y, v->v.z, v->v.w); + fprintf(stderr, "r %d g %d b %d a %d\n", + v->v.color.red, + v->v.color.green, + v->v.color.blue, + v->v.color.alpha); + } + + fprintf(stderr, "\n"); +} + +#undef TAG |