diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h new file mode 100644 index 000000000..f7970c78e --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxvbtmp.h @@ -0,0 +1,369 @@ +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 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> + */ + + +#define VIEWPORT_X(dst,x) dst = s[0] * x + s[12] +#define VIEWPORT_Y(dst,y) dst = s[5] * y + s[13] +#define VIEWPORT_Z(dst,z) dst = s[10] * z + s[14] + +static void TAG(emit)( GLcontext *ctx, + GLuint start, GLuint end, + void *dest ) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLuint tmu0_source = fxMesa->tmu_source[0]; + GLuint tmu1_source = fxMesa->tmu_source[1]; + GLfloat (*tc0)[4], (*tc1)[4]; + GLfloat (*col)[4], (*spec)[4]; + GLuint tc0_stride, tc1_stride, col_stride, spec_stride; + GLuint tc0_size, tc1_size, col_size; + GLfloat (*proj)[4] = VB->NdcPtr->data; + GLuint proj_stride = VB->NdcPtr->stride; + GLfloat (*psize)[4]; + GLuint psize_stride; + GLfloat (*fog)[4]; + GLuint fog_stride; + GrVertex *v = (GrVertex *)dest; + GLfloat u0scale,v0scale,u1scale,v1scale; + const GLubyte *mask = VB->ClipMask; + const GLfloat *const s = ctx->Viewport._WindowMap.m; + int i; + + if (IND & SETUP_PSIZ) { + psize = VB->PointSizePtr->data; + psize_stride = VB->PointSizePtr->stride; + } + + if (IND & SETUP_TMU0) { + tc0 = VB->TexCoordPtr[tmu0_source]->data; + tc0_stride = VB->TexCoordPtr[tmu0_source]->stride; + u0scale = fxMesa->s0scale; + v0scale = fxMesa->t0scale; + if (IND & SETUP_PTEX) + tc0_size = VB->TexCoordPtr[tmu0_source]->size; + } + + if (IND & SETUP_TMU1) { + tc1 = VB->TexCoordPtr[tmu1_source]->data; + tc1_stride = VB->TexCoordPtr[tmu1_source]->stride; + u1scale = fxMesa->s1scale; /* wrong if tmu1_source == 0, possible? */ + v1scale = fxMesa->t1scale; + if (IND & SETUP_PTEX) + tc1_size = VB->TexCoordPtr[tmu1_source]->size; + } + + if (IND & SETUP_RGBA) { + col = VB->ColorPtr[0]->data; + col_stride = VB->ColorPtr[0]->stride; + col_size = VB->ColorPtr[0]->size; + } + + if (IND & SETUP_SPEC) { + spec = VB->SecondaryColorPtr[0]->data; + spec_stride = VB->SecondaryColorPtr[0]->stride; + } + + if (IND & SETUP_FOGC) { + fog = VB->FogCoordPtr->data; + fog_stride = VB->FogCoordPtr->stride; + } + + if (start) { + proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride); + if (IND & SETUP_PSIZ) + psize = (GLfloat (*)[4])((GLubyte *)psize + start * psize_stride); + if (IND & SETUP_TMU0) + tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride); + if (IND & SETUP_TMU1) + tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride); + if (IND & SETUP_RGBA) + STRIDE_4F(col, start * col_stride); + if (IND & SETUP_SPEC) + STRIDE_4F(spec, start * spec_stride); + if (IND & SETUP_FOGC) + fog = (GLfloat (*)[4])((GLubyte *)fog + start * fog_stride); + } + + for (i=start; i < end; i++, v++) { + if (IND & SETUP_PSIZ) { + v->psize = psize[0][0]; + psize = (GLfloat (*)[4])((GLubyte *)psize + psize_stride); + } + + if (IND & SETUP_XYZW) { + if (mask[i] == 0) { + /* unclipped */ + VIEWPORT_X(v->x, proj[0][0]); + VIEWPORT_Y(v->y, proj[0][1]); + VIEWPORT_Z(v->ooz, proj[0][2]); + v->oow = proj[0][3]; + + if (IND & SETUP_SNAP) { +#if defined(USE_IEEE) + const float snapper = (3L << 18); + v->x += snapper; + v->x -= snapper; + v->y += snapper; + v->y -= snapper; +#else + v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f); + v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f); +#endif + } + } else { + /* clipped */ + v->oow = 1.0; + } + + proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride); + } + if (IND & SETUP_RGBA) { +#if FX_PACKEDCOLOR + UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[2], col[0][0]); + UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[1], col[0][1]); + UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[0], col[0][2]); + if (col_size == 4) { + UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]); + } else { + v->pargb[3] = 255; + } +#else /* !FX_PACKEDCOLOR */ + CNORM(v->r, col[0][0]); + CNORM(v->g, col[0][1]); + CNORM(v->b, col[0][2]); + if (col_size == 4) { + CNORM(v->a, col[0][3]); + } else { + v->a = 255.0f; + } +#endif /* !FX_PACKEDCOLOR */ + STRIDE_4F(col, col_stride); + } + if (IND & SETUP_SPEC) { +#if FX_PACKEDCOLOR + UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[2], spec[0][0]); + UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[1], spec[0][1]); + UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[0], spec[0][2]); +#else /* !FX_PACKEDCOLOR */ + CNORM(v->r1, spec[0][0]); + CNORM(v->g1, spec[0][1]); + CNORM(v->b1, spec[0][2]); +#endif /* !FX_PACKEDCOLOR */ + STRIDE_4F(spec, spec_stride); + } + if (IND & SETUP_FOGC) { + v->fog = CLAMP(fog[0][0], 0.0f, 1.0f); + fog = (GLfloat (*)[4])((GLubyte *)fog + fog_stride); + } + if (IND & SETUP_TMU0) { + GLfloat w = v->oow; + v->tmuvtx[0].sow = tc0[0][0] * u0scale * w; + v->tmuvtx[0].tow = tc0[0][1] * v0scale * w; + if (IND & SETUP_PTEX) { + v->tmuvtx[0].oow = w; + if (tc0_size == 4) + v->tmuvtx[0].oow *= tc0[0][3]; + } + tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + tc0_stride); + } + if (IND & SETUP_TMU1) { + GLfloat w = v->oow; + v->tmuvtx[1].sow = tc1[0][0] * u1scale * w; + v->tmuvtx[1].tow = tc1[0][1] * v1scale * w; + if (IND & SETUP_PTEX) { + v->tmuvtx[1].oow = w; + if (tc1_size == 4) + v->tmuvtx[1].oow *= tc1[0][3]; + } + tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + tc1_stride); + } + } +} + +#if (IND & SETUP_XYZW) && (IND & SETUP_RGBA) + +static GLboolean TAG(check_tex_sizes)( GLcontext *ctx ) +{ +/* fprintf(stderr, "%s\n", __FUNCTION__); */ + + if (IND & SETUP_PTEX) + return GL_TRUE; + + if (IND & SETUP_TMU0) { + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + if (IND & SETUP_TMU1) { + if (VB->TexCoordPtr[0] == 0) + VB->TexCoordPtr[0] = VB->TexCoordPtr[1]; + + if (VB->TexCoordPtr[1]->size == 4) + return GL_FALSE; + } + + if (VB->TexCoordPtr[0] && VB->TexCoordPtr[0]->size == 4) + return GL_FALSE; + } + + return GL_TRUE; +} + +static void TAG(interp)( GLcontext *ctx, + GLfloat t, + GLuint edst, GLuint eout, GLuint ein, + GLboolean force_boundary ) +{ + fxMesaContext fxMesa = FX_CONTEXT( ctx ); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + const GLfloat *dstclip = VB->ClipPtr->data[edst]; + const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]); + const GLfloat *const s = ctx->Viewport._WindowMap.m; + GrVertex *fxverts = fxMesa->verts; + GrVertex *dst = (GrVertex *) (fxverts + edst); + const GrVertex *out = (const GrVertex *) (fxverts + eout); + const GrVertex *in = (const GrVertex *) (fxverts + ein); + const GLfloat wout = oow / out->oow; + const GLfloat win = oow / in->oow; + + VIEWPORT_X(dst->x, dstclip[0] * oow); + VIEWPORT_Y(dst->y, dstclip[1] * oow); + VIEWPORT_Z(dst->ooz, dstclip[2] * oow); + dst->oow = oow; + + if (IND & SETUP_SNAP) { +#if defined(USE_IEEE) + const float snapper = (3L << 18); + dst->x += snapper; + dst->x -= snapper; + dst->y += snapper; + dst->y -= snapper; +#else + dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f); + dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f); +#endif + } + + +#if FX_PACKEDCOLOR + INTERP_UB( t, dst->pargb[0], out->pargb[0], in->pargb[0] ); + INTERP_UB( t, dst->pargb[1], out->pargb[1], in->pargb[1] ); + INTERP_UB( t, dst->pargb[2], out->pargb[2], in->pargb[2] ); + INTERP_UB( t, dst->pargb[3], out->pargb[3], in->pargb[3] ); +#else /* !FX_PACKEDCOLOR */ + INTERP_F( t, dst->r, out->r, in->r ); + INTERP_F( t, dst->g, out->g, in->g ); + INTERP_F( t, dst->b, out->b, in->b ); + INTERP_F( t, dst->a, out->a, in->a ); +#endif /* !FX_PACKEDCOLOR */ + + if (IND & SETUP_SPEC) { +#if FX_PACKEDCOLOR + INTERP_UB( t, dst->pspec[0], out->pspec[0], in->pspec[0] ); + INTERP_UB( t, dst->pspec[1], out->pspec[1], in->pspec[1] ); + INTERP_UB( t, dst->pspec[2], out->pspec[2], in->pspec[2] ); +#else /* !FX_PACKEDCOLOR */ + INTERP_F( t, dst->r1, out->r1, in->r1 ); + INTERP_F( t, dst->g1, out->g1, in->g1 ); + INTERP_F( t, dst->b1, out->b1, in->b1 ); +#endif /* !FX_PACKEDCOLOR */ + } + + if (IND & SETUP_FOGC) { + INTERP_F( t, dst->fog, out->fog, in->fog ); + } + + if (IND & SETUP_TMU0) { + INTERP_F( t, + dst->tmuvtx[0].sow, + out->tmuvtx[0].sow * wout, + in->tmuvtx[0].sow * win ); + INTERP_F( t, + dst->tmuvtx[0].tow, + out->tmuvtx[0].tow * wout, + in->tmuvtx[0].tow * win ); + if (IND & SETUP_PTEX) { + INTERP_F( t, + dst->tmuvtx[0].oow, + out->tmuvtx[0].oow * wout, + in->tmuvtx[0].oow * win ); + } + } + + if (IND & SETUP_TMU1) { + INTERP_F( t, + dst->tmuvtx[1].sow, + out->tmuvtx[1].sow * wout, + in->tmuvtx[1].sow * win ); + INTERP_F( t, + dst->tmuvtx[1].tow, + out->tmuvtx[1].tow * wout, + in->tmuvtx[1].tow * win ); + if (IND & SETUP_PTEX) { + INTERP_F( t, + dst->tmuvtx[1].oow, + out->tmuvtx[1].oow * wout, + in->tmuvtx[1].oow * win ); + } + } +} +#endif + + +static void TAG(init)( void ) +{ + setup_tab[IND].emit = TAG(emit); + + if (IND & SETUP_SPEC) { + setup_tab[IND].copy_pv = copy_pv2; + } else { + setup_tab[IND].copy_pv = copy_pv; + } + +#if ((IND & SETUP_XYZW) && (IND & SETUP_RGBA)) + setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes); + setup_tab[IND].interp = TAG(interp); + + setup_tab[IND].vertex_format = 0; + if (IND & SETUP_PTEX) { + setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU0; + } + +#if (IND & SETUP_TMU1) + setup_tab[IND].vertex_format |= GR_STWHINT_ST_DIFF_TMU1; + if (IND & SETUP_PTEX) { + setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU1; + } +#endif + +#endif +} + + +#undef IND +#undef TAG |