diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_lighttmp.h')
-rw-r--r-- | src/mesa/tnl/t_vb_lighttmp.h | 195 |
1 files changed, 108 insertions, 87 deletions
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h index 167325eae83..7af1a4bfabf 100644 --- a/src/mesa/tnl/t_vb_lighttmp.h +++ b/src/mesa/tnl/t_vb_lighttmp.h @@ -1,9 +1,8 @@ - /* * Mesa 3-D graphics library - * Version: 4.1 + * Version: 5.1 * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2003 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"), @@ -61,9 +60,11 @@ static void TAG(light_rgba_spec)( GLcontext *ctx, const GLfloat *normal = (GLfloat *)VB->NormalPtr->data; GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].data; - GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].data; GLfloat (*Fspec)[4] = (GLfloat (*)[4]) store->LitSecondary[0].data; +#if IDX & LIGHT_TWOSIDE + GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].data; GLfloat (*Bspec)[4] = (GLfloat (*)[4]) store->LitSecondary[1].data; +#endif const GLuint nr = VB->Count; @@ -78,11 +79,11 @@ static void TAG(light_rgba_spec)( GLcontext *ctx, VB->SecondaryColorPtr[0] = &store->LitSecondary[0]; sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) { - VB->ColorPtr[1] = &store->LitColor[1]; - VB->SecondaryColorPtr[1] = &store->LitSecondary[1]; - sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; - } +#if IDX & LIGHT_TWOSIDE + VB->ColorPtr[1] = &store->LitColor[1]; + VB->SecondaryColorPtr[1] = &store->LitSecondary[1]; + sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif /* Side-effects done, can we finish now? */ @@ -93,20 +94,21 @@ static void TAG(light_rgba_spec)( GLcontext *ctx, GLfloat sum[2][3], spec[2][3]; struct gl_light *light; - if ( IDX & LIGHT_MATERIAL ) { - update_materials( ctx, store ); - sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) - sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; - } +#if IDX & LIGHT_MATERIAL + update_materials( ctx, store ); + sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; +#if IDX & LIGHT_TWOSIDE + sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif +#endif COPY_3V(sum[0], base[0]); ZERO_3V(spec[0]); - if (IDX & LIGHT_TWOSIDE) { - COPY_3V(sum[1], base[1]); - ZERO_3V(spec[1]); - } +#if IDX & LIGHT_TWOSIDE + COPY_3V(sum[1], base[1]); + ZERO_3V(spec[1]); +#endif /* Add contribution from each enabled light source */ foreach (light, &ctx->Light.EnabledList) { @@ -167,17 +169,18 @@ static void TAG(light_rgba_spec)( GLcontext *ctx, /* Which side gets the diffuse & specular terms? */ if (n_dot_VP < 0.0F) { ACC_SCALE_SCALAR_3V(sum[0], attenuation, light->_MatAmbient[0]); - if (!(IDX & LIGHT_TWOSIDE)) { - continue; - } +#if IDX & LIGHT_TWOSIDE side = 1; correction = -1; n_dot_VP = -n_dot_VP; +#else + continue; +#endif } else { - if (IDX & LIGHT_TWOSIDE) { - ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]); - } +#if IDX & LIGHT_TWOSIDE + ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]); +#endif side = 0; correction = 1; } @@ -224,11 +227,11 @@ static void TAG(light_rgba_spec)( GLcontext *ctx, COPY_3V( Fspec[j], spec[0] ); Fcolor[j][3] = sumA[0]; - if (IDX & LIGHT_TWOSIDE) { - COPY_3V( Bcolor[j], sum[1] ); - COPY_3V( Bspec[j], spec[1] ); - Bcolor[j][3] = sumA[1]; - } +#if IDX & LIGHT_TWOSIDE + COPY_3V( Bcolor[j], sum[1] ); + COPY_3V( Bspec[j], spec[1] ); + Bcolor[j][3] = sumA[1]; +#endif } } @@ -268,10 +271,10 @@ static void TAG(light_rgba)( GLcontext *ctx, VB->ColorPtr[0] = &store->LitColor[0]; sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) { - VB->ColorPtr[1] = &store->LitColor[1]; - sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; - } +#if IDX & LIGHT_TWOSIDE + VB->ColorPtr[1] = &store->LitColor[1]; + sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif if (stage->changed_inputs == 0) return; @@ -283,8 +286,9 @@ static void TAG(light_rgba)( GLcontext *ctx, if ( IDX & LIGHT_MATERIAL ) { update_materials( ctx, store ); sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) - sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#if IDX & LIGHT_TWOSIDE + sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif } COPY_3V(sum[0], base[0]); @@ -353,18 +357,18 @@ static void TAG(light_rgba)( GLcontext *ctx, /* which side are we lighting? */ if (n_dot_VP < 0.0F) { ACC_SCALE_SCALAR_3V(sum[0], attenuation, light->_MatAmbient[0]); - - if (!(IDX & LIGHT_TWOSIDE)) - continue; - +#if IDX & LIGHT_TWOSIDE side = 1; correction = -1; n_dot_VP = -n_dot_VP; +#else + continue; +#endif } else { - if (IDX & LIGHT_TWOSIDE) { - ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]); - } +#if IDX & LIGHT_TWOSIDE + ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]); +#endif side = 0; correction = 1; } @@ -413,10 +417,10 @@ static void TAG(light_rgba)( GLcontext *ctx, COPY_3V( Fcolor[j], sum[0] ); Fcolor[j][3] = sumA[0]; - if (IDX & LIGHT_TWOSIDE) { - COPY_3V( Bcolor[j], sum[1] ); - Bcolor[j][3] = sumA[1]; - } +#if IDX & LIGHT_TWOSIDE + COPY_3V( Bcolor[j], sum[1] ); + Bcolor[j][3] = sumA[1]; +#endif } } @@ -435,7 +439,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx, const GLuint nstride = VB->NormalPtr->stride; const GLfloat *normal = (GLfloat *)VB->NormalPtr->data; GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].data; +#if IDX & LIGHT_TWOSIDE GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].data; +#endif const struct gl_light *light = ctx->Light.EnabledList.next; GLuint j = 0; GLfloat base[2][3]; @@ -450,8 +456,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx, (void) nstride; VB->ColorPtr[0] = &store->LitColor[0]; - if (IDX & LIGHT_TWOSIDE) - VB->ColorPtr[1] = &store->LitColor[1]; +#if IDX & LIGHT_TWOSIDE + VB->ColorPtr[1] = &store->LitColor[1]; +#endif if (stage->changed_inputs == 0) return; @@ -470,29 +477,29 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx, ACC_3V(base[0], ctx->Light._BaseColor[0] ); base[0][3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) { - COPY_3V(base[1], light->_MatAmbient[1]); - ACC_3V(base[1], ctx->Light._BaseColor[1]); - base[1][3] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; - } +#if IDX & LIGHT_TWOSIDE + COPY_3V(base[1], light->_MatAmbient[1]); + ACC_3V(base[1], ctx->Light._BaseColor[1]); + base[1][3] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif } n_dot_VP = DOT3(normal, light->_VP_inf_norm); if (n_dot_VP < 0.0F) { - if (IDX & LIGHT_TWOSIDE) { - GLfloat n_dot_h = -DOT3(normal, light->_h_inf_norm); - GLfloat sum[3]; - COPY_3V(sum, base[1]); - ACC_SCALE_SCALAR_3V(sum, -n_dot_VP, light->_MatDiffuse[1]); - if (n_dot_h > 0.0F) { - GLfloat spec; - GET_SHINE_TAB_ENTRY( ctx->_ShineTable[1], n_dot_h, spec ); - ACC_SCALE_SCALAR_3V(sum, spec, light->_MatSpecular[1]); - } - COPY_3V(Bcolor[j], sum ); - Bcolor[j][3] = base[1][3]; - } +#if IDX & LIGHT_TWOSIDE + GLfloat n_dot_h = -DOT3(normal, light->_h_inf_norm); + GLfloat sum[3]; + COPY_3V(sum, base[1]); + ACC_SCALE_SCALAR_3V(sum, -n_dot_VP, light->_MatDiffuse[1]); + if (n_dot_h > 0.0F) { + GLfloat spec; + GET_SHINE_TAB_ENTRY( ctx->_ShineTable[1], n_dot_h, spec ); + ACC_SCALE_SCALAR_3V(sum, spec, light->_MatSpecular[1]); + } + COPY_3V(Bcolor[j], sum ); + Bcolor[j][3] = base[1][3]; +#endif COPY_4FV(Fcolor[j], base[0]); } else { @@ -508,7 +515,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx, } COPY_3V(Fcolor[j], sum ); Fcolor[j][3] = base[0][3]; - if (IDX & LIGHT_TWOSIDE) COPY_4FV(Bcolor[j], base[1]); +#if IDX & LIGHT_TWOSIDE + COPY_4FV(Bcolor[j], base[1]); +#endif } } } @@ -526,7 +535,9 @@ static void TAG(light_fast_rgba)( GLcontext *ctx, const GLuint nstride = VB->NormalPtr->stride; const GLfloat *normal = (GLfloat *)VB->NormalPtr->data; GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].data; +#if IDX & LIGHT_TWOSIDE GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].data; +#endif GLuint j = 0; const GLuint nr = VB->Count; const struct gl_light *light; @@ -543,8 +554,9 @@ static void TAG(light_fast_rgba)( GLcontext *ctx, sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; VB->ColorPtr[0] = &store->LitColor[0]; - if (IDX & LIGHT_TWOSIDE) - VB->ColorPtr[1] = &store->LitColor[1]; +#if IDX & LIGHT_TWOSIDE + VB->ColorPtr[1] = &store->LitColor[1]; +#endif if (stage->changed_inputs == 0) return; @@ -557,21 +569,24 @@ static void TAG(light_fast_rgba)( GLcontext *ctx, update_materials( ctx, store ); sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3]; - if (IDX & LIGHT_TWOSIDE) - sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#if IDX & LIGHT_TWOSIDE + sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3]; +#endif } COPY_3V(sum[0], ctx->Light._BaseColor[0]); - if (IDX & LIGHT_TWOSIDE) - COPY_3V(sum[1], ctx->Light._BaseColor[1]); +#if IDX & LIGHT_TWOSIDE + COPY_3V(sum[1], ctx->Light._BaseColor[1]); +#endif foreach (light, &ctx->Light.EnabledList) { GLfloat n_dot_h, n_dot_VP, spec; ACC_3V(sum[0], light->_MatAmbient[0]); - if (IDX & LIGHT_TWOSIDE) - ACC_3V(sum[1], light->_MatAmbient[1]); +#if IDX & LIGHT_TWOSIDE + ACC_3V(sum[1], light->_MatAmbient[1]); +#endif n_dot_VP = DOT3(normal, light->_VP_inf_norm); @@ -584,7 +599,8 @@ static void TAG(light_fast_rgba)( GLcontext *ctx, ACC_SCALE_SCALAR_3V( sum[0], spec, light->_MatSpecular[0]); } } - else if (IDX & LIGHT_TWOSIDE) { +#if IDX & LIGHT_TWOSIDE + else { ACC_SCALE_SCALAR_3V(sum[1], -n_dot_VP, light->_MatDiffuse[1]); n_dot_h = -DOT3(normal, light->_h_inf_norm); if (n_dot_h > 0.0F) { @@ -593,15 +609,16 @@ static void TAG(light_fast_rgba)( GLcontext *ctx, ACC_SCALE_SCALAR_3V( sum[1], spec, light->_MatSpecular[1]); } } +#endif } COPY_3V( Fcolor[j], sum[0] ); Fcolor[j][3] = sumA[0]; - if (IDX & LIGHT_TWOSIDE) { - COPY_3V( Bcolor[j], sum[1] ); - Bcolor[j][3] = sumA[1]; - } +#if IDX & LIGHT_TWOSIDE + COPY_3V( Bcolor[j], sum[1] ); + Bcolor[j][3] = sumA[1]; +#endif } } @@ -640,15 +657,17 @@ static void TAG(light_ci)( GLcontext *ctx, (void) vstride; VB->IndexPtr[0] = &store->LitIndex[0]; - if (IDX & LIGHT_TWOSIDE) - VB->IndexPtr[1] = &store->LitIndex[1]; +#if IDX & LIGHT_TWOSIDE + VB->IndexPtr[1] = &store->LitIndex[1]; +#endif if (stage->changed_inputs == 0) return; indexResult[0] = (GLfloat *)VB->IndexPtr[0]->data; - if (IDX & LIGHT_TWOSIDE) - indexResult[1] = (GLfloat *)VB->IndexPtr[1]->data; +#if IDX & LIGHT_TWOSIDE + indexResult[1] = (GLfloat *)VB->IndexPtr[1]->data; +#endif /* loop over vertices */ for (j=0; j<nr; j++,STRIDE_F(vertex,vstride),STRIDE_F(normal, nstride)) { @@ -716,11 +735,13 @@ static void TAG(light_ci)( GLcontext *ctx, /* which side are we lighting? */ if (n_dot_VP < 0.0F) { - if (!(IDX & LIGHT_TWOSIDE)) - continue; +#if IDX & LIGHT_TWOSIDE side = 1; correction = -1; n_dot_VP = -n_dot_VP; +#else + continue; +#endif } /* accumulate diffuse term */ |