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Diffstat (limited to 'src/mesa/tnl/t_vb_lighttmp.h')
-rw-r--r--src/mesa/tnl/t_vb_lighttmp.h217
1 files changed, 126 insertions, 91 deletions
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h
index 76d2a8c047b..87e00ddf08a 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -1,4 +1,4 @@
-/* $Id: t_vb_lighttmp.h,v 1.12 2001/04/28 08:39:18 keithw Exp $ */
+/* $Id: t_vb_lighttmp.h,v 1.13 2001/07/17 19:39:32 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -88,7 +88,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
{
struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
GLfloat (*base)[3] = ctx->Light._BaseColor;
- const GLfloat *sumA = ctx->Light._BaseAlpha;
+ GLchan sumA[2];
GLuint j;
@@ -100,11 +100,11 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
GLfloat *CMcolor;
GLuint CMstride;
- GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].Ptr;
- GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].Ptr;
- GLfloat (*Fspec)[4] = (GLfloat (*)[4]) store->LitSecondary[0].Ptr;
- GLfloat (*Bspec)[4] = (GLfloat (*)[4]) store->LitSecondary[1].Ptr;
- GLfloat (*spec[2])[4];
+ GLchan (*Fcolor)[4] = (GLchan (*)[4]) store->LitColor[0].Ptr;
+ GLchan (*Bcolor)[4] = (GLchan (*)[4]) store->LitColor[1].Ptr;
+ GLchan (*Fspec)[4] = (GLchan (*)[4]) store->LitSecondary[0].Ptr;
+ GLchan (*Bspec)[4] = (GLchan (*)[4]) store->LitSecondary[1].Ptr;
+ GLchan (*spec[2])[4];
GLuint nr = VB->Count;
GLuint *flags = VB->Flag;
@@ -116,6 +116,9 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
(void) vstride;
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[0], ctx->Light._BaseAlpha[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[1], ctx->Light._BaseAlpha[1]);
+
/* fprintf(stderr, "%s\n", __FUNCTION__ ); */
spec[0] = Fspec;
@@ -123,7 +126,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
if (IDX & LIGHT_COLORMATERIAL) {
if (VB->ColorPtr[0]->Type != GL_FLOAT)
- VB->import_data( ctx, VERT_RGBA, ~0 );
+ import_color_material( ctx, stage );
CMcolor = (GLfloat *) VB->ColorPtr[0]->Ptr;
CMstride = VB->ColorPtr[0]->StrideB;
@@ -146,6 +149,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
j<nr ;
j++,STRIDE_F(vertex,VSTRIDE),STRIDE_F(normal,NSTRIDE),CMSTRIDE)
{
+ GLfloat sum[2][3], spec[2][3];
struct gl_light *light;
if ( CHECK_COLOR_MATERIAL(j) )
@@ -157,14 +161,12 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
if ( CHECK_VALIDATE(j) )
_mesa_validate_all_lighting_tables( ctx );
- COPY_3V(Fcolor[j], base[0]);
- Fcolor[j][3] = sumA[0];
- ZERO_3V(Fspec[j]);
+ COPY_3V(sum[0], base[0]);
+ ZERO_3V(spec[0]);
if (IDX & LIGHT_TWOSIDE) {
- COPY_3V(Bcolor[j], base[1]);
- Bcolor[j][3] = sumA[1];
- ZERO_3V(Bspec[j]);
+ COPY_3V(sum[1], base[1]);
+ ZERO_3V(spec[1]);
}
/* Add contribution from each enabled light source */
@@ -226,30 +228,27 @@ 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(Fcolor[j], attenuation, light->_MatAmbient[0]);
+ ACC_SCALE_SCALAR_3V(sum[0], attenuation, light->_MatAmbient[0]);
if (!(IDX & LIGHT_TWOSIDE)) {
continue;
}
- /* diffuse term */
- COPY_3V(contrib, light->_MatAmbient[1]);
- ACC_SCALE_SCALAR_3V(contrib, -n_dot_VP, light->_MatDiffuse[1]);
- ACC_SCALE_SCALAR_3V(Bcolor[j], attenuation, contrib );
- correction = -1;
side = 1;
+ correction = -1;
+ n_dot_VP = -n_dot_VP;
}
else {
if (IDX & LIGHT_TWOSIDE) {
- ACC_SCALE_SCALAR_3V( Bcolor[j], attenuation,
- light->_MatAmbient[1]);
+ ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]);
}
- /* diffuse term */
- COPY_3V(contrib, light->_MatAmbient[0]);
- ACC_SCALE_SCALAR_3V(contrib, n_dot_VP, light->_MatDiffuse[0]);
- ACC_SCALE_SCALAR_3V(Fcolor[j], attenuation, contrib );
- correction = 1;
side = 0;
+ correction = 1;
}
+ /* diffuse term */
+ COPY_3V(contrib, light->_MatAmbient[side]);
+ ACC_SCALE_SCALAR_3V(contrib, n_dot_VP, light->_MatDiffuse[side]);
+ ACC_SCALE_SCALAR_3V(sum[side], attenuation, contrib );
+
/* specular term - cannibalize VP... */
if (ctx->Light.Model.LocalViewer) {
GLfloat v[3];
@@ -277,11 +276,21 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
if (spec_coef > 1.0e-10) {
spec_coef *= attenuation;
- ACC_SCALE_SCALAR_3V( spec[side][j], spec_coef,
+ ACC_SCALE_SCALAR_3V( spec[side], spec_coef,
light->_MatSpecular[side]);
}
}
} /*loop over lights*/
+
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Fcolor[j], sum[0] );
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Fspec[j], spec[0] );
+ Fcolor[j][3] = sumA[0];
+
+ if (IDX & LIGHT_TWOSIDE) {
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Bcolor[j], sum[1] );
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Bspec[j], spec[1] );
+ Bcolor[j][3] = sumA[1];
+ }
}
}
@@ -295,7 +304,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
GLuint j;
GLfloat (*base)[3] = ctx->Light._BaseColor;
- const GLfloat *sumA = ctx->Light._BaseAlpha;
+ GLchan sumA[2];
GLuint vstride = input->stride;
const GLfloat *vertex = (GLfloat *) input->data;
@@ -305,9 +314,9 @@ static void TAG(light_rgba)( GLcontext *ctx,
GLfloat *CMcolor;
GLuint CMstride;
- GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].Ptr;
- GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].Ptr;
- GLfloat (*color[2])[4];
+ GLchan (*Fcolor)[4] = (GLchan (*)[4]) store->LitColor[0].Ptr;
+ GLchan (*Bcolor)[4] = (GLchan (*)[4]) store->LitColor[1].Ptr;
+ GLchan (*color[2])[4];
GLuint *flags = VB->Flag;
struct gl_material (*new_material)[2] = VB->Material;
@@ -322,9 +331,12 @@ static void TAG(light_rgba)( GLcontext *ctx,
color[0] = Fcolor;
color[1] = Bcolor;
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[0], ctx->Light._BaseAlpha[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[1], ctx->Light._BaseAlpha[1]);
+
if (IDX & LIGHT_COLORMATERIAL) {
if (VB->ColorPtr[0]->Type != GL_FLOAT)
- VB->import_data( ctx, VERT_RGBA, ~0 );
+ import_color_material( ctx, stage );
CMcolor = (GLfloat *)VB->ColorPtr[0]->Ptr;
CMstride = VB->ColorPtr[0]->StrideB;
@@ -341,6 +353,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
j<nr ;
j++,STRIDE_F(vertex,VSTRIDE), STRIDE_F(normal,NSTRIDE),CMSTRIDE)
{
+ GLfloat sum[2][3];
struct gl_light *light;
if ( CHECK_COLOR_MATERIAL(j) )
@@ -352,14 +365,10 @@ static void TAG(light_rgba)( GLcontext *ctx,
if ( CHECK_VALIDATE(j) )
_mesa_validate_all_lighting_tables( ctx );
- COPY_3V(Fcolor[j], base[0]);
- Fcolor[j][3] = sumA[0];
-
- if (IDX & LIGHT_TWOSIDE) {
- COPY_3V(Bcolor[j], base[1]);
- Bcolor[j][3] = sumA[1];
- }
+ COPY_3V(sum[0], base[0]);
+ if ( IDX & LIGHT_TWOSIDE )
+ COPY_3V(sum[1], base[1]);
/* Add contribution from each enabled light source */
foreach (light, &ctx->Light.EnabledList) {
@@ -423,7 +432,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
/* which side are we lighting? */
if (n_dot_VP < 0.0F) {
- ACC_SCALE_SCALAR_3V(Fcolor[j], attenuation, light->_MatAmbient[0]);
+ ACC_SCALE_SCALAR_3V(sum[0], attenuation, light->_MatAmbient[0]);
if (!(IDX & LIGHT_TWOSIDE))
continue;
@@ -434,8 +443,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
}
else {
if (IDX & LIGHT_TWOSIDE) {
- ACC_SCALE_SCALAR_3V(Bcolor[j], attenuation,
- light->_MatAmbient[1]);
+ ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]);
}
side = 0;
correction = 1;
@@ -478,9 +486,16 @@ static void TAG(light_rgba)( GLcontext *ctx,
light->_MatSpecular[side]);
}
}
-
-
- ACC_SCALE_SCALAR_3V( color[side][j], attenuation, contrib );
+
+ ACC_SCALE_SCALAR_3V( sum[side], attenuation, contrib );
+ }
+
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Fcolor[j], sum[0] );
+ Fcolor[j][3] = sumA[0];
+
+ if (IDX & LIGHT_TWOSIDE) {
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Bcolor[j], sum[1] );
+ Bcolor[j][3] = sumA[1];
}
}
}
@@ -501,14 +516,15 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLfloat *CMcolor;
GLuint CMstride;
- GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].Ptr;
- GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].Ptr;
+ GLchan (*Fcolor)[4] = (GLchan (*)[4]) store->LitColor[0].Ptr;
+ GLchan (*Bcolor)[4] = (GLchan (*)[4]) store->LitColor[1].Ptr;
struct gl_light *light = ctx->Light.EnabledList.next;
GLuint *flags = VB->Flag;
+ GLchan basechan[2][4];
GLuint j = 0;
struct gl_material (*new_material)[2] = VB->Material;
GLuint *new_material_mask = VB->MaterialMask;
- GLfloat base[2][4];
+ GLfloat base[2][3];
GLuint nr = VB->Count;
/* fprintf(stderr, "%s\n", __FUNCTION__ ); */
@@ -519,7 +535,7 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
if (IDX & LIGHT_COLORMATERIAL) {
if (VB->ColorPtr[0]->Type != GL_FLOAT)
- VB->import_data( ctx, VERT_RGBA, ~0 );
+ import_color_material( ctx, stage );
CMcolor = (GLfloat *)VB->ColorPtr[0]->Ptr;
CMstride = VB->ColorPtr[0]->StrideB;
@@ -544,41 +560,51 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
_mesa_validate_all_lighting_tables( ctx );
+ /* No attenuation, so incoporate _MatAmbient into base color.
+ */
COPY_3V(base[0], light->_MatAmbient[0]);
ACC_3V(base[0], ctx->Light._BaseColor[0] );
- base[0][3] = ctx->Light._BaseAlpha[0];
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( basechan[0], base[0] );
+ UNCLAMPED_FLOAT_TO_CHAN(basechan[0][3], ctx->Light._BaseAlpha[0]);
if (IDX & LIGHT_TWOSIDE) {
COPY_3V(base[1], light->_MatAmbient[1]);
ACC_3V(base[1], ctx->Light._BaseColor[1]);
- base[1][3] = ctx->Light._BaseAlpha[1];
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( basechan[1], base[1]);
+ UNCLAMPED_FLOAT_TO_CHAN(basechan[1][3], ctx->Light._BaseAlpha[1]);
}
do {
- GLfloat n_dot_VP;
+ GLfloat n_dot_VP = DOT3(normal, light->_VP_inf_norm);
- COPY_4FV(Fcolor[j], base[0]);
- if (IDX & LIGHT_TWOSIDE) COPY_4FV(Bcolor[j], base[1]);
- n_dot_VP = DOT3(normal, light->_VP_inf_norm);
-
- if (n_dot_VP > 0.0F) {
+ 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]);
+ }
+ UNCLAMPED_FLOAT_TO_RGB_CHAN(Bcolor[j], sum );
+ }
+ COPY_CHAN4(Fcolor[j], basechan[0]);
+ } else {
GLfloat n_dot_h = DOT3(normal, light->_h_inf_norm);
- ACC_SCALE_SCALAR_3V(Fcolor[j], n_dot_VP, light->_MatDiffuse[0]);
+ GLfloat sum[3];
+ COPY_3V(sum, base[0]);
+ ACC_SCALE_SCALAR_3V(sum, n_dot_VP, light->_MatDiffuse[0]);
if (n_dot_h > 0.0F) {
GLfloat spec;
GET_SHINE_TAB_ENTRY( ctx->_ShineTable[0], n_dot_h, spec );
- ACC_SCALE_SCALAR_3V( Fcolor[j], spec, light->_MatSpecular[0]);
- }
- }
- else if (IDX & LIGHT_TWOSIDE) {
- GLfloat n_dot_h = -DOT3(normal, light->_h_inf_norm);
- ACC_SCALE_SCALAR_3V(Bcolor[j], -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( Bcolor[j], spec, light->_MatSpecular[1]);
+ ACC_SCALE_SCALAR_3V(sum, spec, light->_MatSpecular[0]);
+
}
+ UNCLAMPED_FLOAT_TO_RGB_CHAN(Fcolor[j], sum );
+ if (IDX & LIGHT_TWOSIDE) COPY_CHAN4(Bcolor[j], basechan[1]);
}
j++;
@@ -589,9 +615,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
for ( ; REUSE_LIGHT_RESULTS(j) ; j++, CMSTRIDE, STRIDE_F(normal,NSTRIDE))
{
- COPY_4FV(Fcolor[j], Fcolor[j-1]);
+ COPY_CHAN4(Fcolor[j], Fcolor[j-1]);
if (IDX & LIGHT_TWOSIDE)
- COPY_4FV(Bcolor[j], Bcolor[j-1]);
+ COPY_CHAN4(Bcolor[j], Bcolor[j-1]);
}
} while (!CHECK_END_VB(j));
@@ -606,13 +632,13 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
GLvector4f *input )
{
struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
- const GLfloat *sumA = ctx->Light._BaseAlpha;
+ GLchan sumA[2];
GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLfloat *CMcolor;
GLuint CMstride;
- GLfloat (*Fcolor)[4] = (GLfloat (*)[4]) store->LitColor[0].Ptr;
- GLfloat (*Bcolor)[4] = (GLfloat (*)[4]) store->LitColor[1].Ptr;
+ GLchan (*Fcolor)[4] = (GLchan (*)[4]) store->LitColor[0].Ptr;
+ GLchan (*Bcolor)[4] = (GLchan (*)[4]) store->LitColor[1].Ptr;
GLuint *flags = VB->Flag;
GLuint j = 0;
struct gl_material (*new_material)[2] = VB->Material;
@@ -626,9 +652,12 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
(void) nr;
(void) nstride;
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[0], ctx->Light._BaseAlpha[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(sumA[1], ctx->Light._BaseAlpha[1]);
+
if (IDX & LIGHT_COLORMATERIAL) {
if (VB->ColorPtr[0]->Type != GL_FLOAT)
- VB->import_data( ctx, VERT_RGBA, ~0 );
+ import_color_material( ctx, stage );
CMcolor = (GLfloat *)VB->ColorPtr[0]->Ptr;
CMstride = VB->ColorPtr[0]->StrideB;
@@ -643,6 +672,8 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
do {
do {
+ GLfloat sum[2][3];
+
if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, CMcolor );
@@ -653,45 +684,49 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
_mesa_validate_all_lighting_tables( ctx );
- COPY_3V(Fcolor[j], ctx->Light._BaseColor[0]);
- Fcolor[j][3] = sumA[0];
-
- if (IDX & LIGHT_TWOSIDE) {
- COPY_3V(Bcolor[j], ctx->Light._BaseColor[1]);
- Bcolor[j][3] = sumA[1];
- }
+ COPY_3V(sum[0], ctx->Light._BaseColor[0]);
+ if (IDX & LIGHT_TWOSIDE)
+ COPY_3V(sum[1], ctx->Light._BaseColor[1]);
foreach (light, &ctx->Light.EnabledList) {
GLfloat n_dot_h, n_dot_VP, spec;
- ACC_3V(Fcolor[j], light->_MatAmbient[0]);
+ ACC_3V(sum[0], light->_MatAmbient[0]);
if (IDX & LIGHT_TWOSIDE)
- ACC_3V(Bcolor[j], light->_MatAmbient[1]);
+ ACC_3V(sum[1], light->_MatAmbient[1]);
n_dot_VP = DOT3(normal, light->_VP_inf_norm);
if (n_dot_VP > 0.0F) {
- ACC_SCALE_SCALAR_3V(Fcolor[j], n_dot_VP, light->_MatDiffuse[0]);
+ ACC_SCALE_SCALAR_3V(sum[0], n_dot_VP, light->_MatDiffuse[0]);
n_dot_h = DOT3(normal, light->_h_inf_norm);
if (n_dot_h > 0.0F) {
struct gl_shine_tab *tab = ctx->_ShineTable[0];
GET_SHINE_TAB_ENTRY( tab, n_dot_h, spec );
- ACC_SCALE_SCALAR_3V( Fcolor[j], spec,
+ ACC_SCALE_SCALAR_3V( sum[0], spec,
light->_MatSpecular[0]);
}
}
else if (IDX & LIGHT_TWOSIDE) {
- ACC_SCALE_SCALAR_3V(Bcolor[j], -n_dot_VP, light->_MatDiffuse[1]);
+ 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) {
struct gl_shine_tab *tab = ctx->_ShineTable[1];
GET_SHINE_TAB_ENTRY( tab, n_dot_h, spec );
- ACC_SCALE_SCALAR_3V( Bcolor[j], spec,
+ ACC_SCALE_SCALAR_3V( sum[1], spec,
light->_MatSpecular[1]);
}
}
}
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Fcolor[j], sum[0] );
+ Fcolor[j][3] = sumA[0];
+
+ if (IDX & LIGHT_TWOSIDE) {
+ UNCLAMPED_FLOAT_TO_RGB_CHAN( Bcolor[j], sum[1] );
+ Bcolor[j][3] = sumA[1];
+ }
+
j++;
CMSTRIDE;
STRIDE_F(normal, NSTRIDE);
@@ -702,9 +737,9 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
*/
for ( ; REUSE_LIGHT_RESULTS(j) ; j++, CMSTRIDE, STRIDE_F(normal, NSTRIDE))
{
- COPY_4FV(Fcolor[j], Fcolor[j-1]);
+ COPY_CHAN4(Fcolor[j], Fcolor[j-1]);
if (IDX & LIGHT_TWOSIDE)
- COPY_4FV(Bcolor[j], Bcolor[j-1]);
+ COPY_CHAN4(Bcolor[j], Bcolor[j-1]);
}
} while (!CHECK_END_VB(j));
@@ -760,7 +795,7 @@ static void TAG(light_ci)( GLcontext *ctx,
if (IDX & LIGHT_COLORMATERIAL) {
if (VB->ColorPtr[0]->Type != GL_FLOAT)
- VB->import_data( ctx, VERT_RGBA, ~0 );
+ import_color_material( ctx, stage );
CMcolor = (GLfloat *)VB->ColorPtr[0]->Ptr;
CMstride = VB->ColorPtr[0]->StrideB;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 00:57:10 +0000