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authorGareth Hughes <gareth@valinux.com>2001-03-12 00:48:37 +0000
committerGareth Hughes <gareth@valinux.com>2001-03-12 00:48:37 +0000
commit22144ab7552f0799bcfca506bf4ffa7f70a06649 (patch)
treee7986aa02e97d88071b0769dc8d5359860320614 /src/mesa/tnl/t_vb_lighttmp.h
parent57ffddba9870a0e602ae454e13072a0af48fa150 (diff)
Consistent copyright info (version number, date) across all files.
Diffstat (limited to 'src/mesa/tnl/t_vb_lighttmp.h')
-rw-r--r--src/mesa/tnl/t_vb_lighttmp.h188
1 files changed, 94 insertions, 94 deletions
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h
index 370061512f..7b9a1ba404 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -1,21 +1,21 @@
-/* $Id: t_vb_lighttmp.h,v 1.9 2001/03/03 20:33:31 brianp Exp $ */
+/* $Id: t_vb_lighttmp.h,v 1.10 2001/03/12 00:48:44 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
- *
+ *
* Copyright (C) 1999-2001 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
@@ -56,7 +56,7 @@
# define VSTRIDE vstride
# define NSTRIDE nstride
# define CHECK_MATERIAL(x) 0 /* no materials on array paths */
-# define CHECK_END_VB(XX) (XX >= nr)
+# define CHECK_END_VB(XX) (XX >= nr)
# if (IDX & LIGHT_COLORMATERIAL)
# define CMSTRIDE STRIDE_4CHAN(CMcolor, CMstride)
# define CHECK_COLOR_MATERIAL(x) (x < nr) /* always have colormaterial */
@@ -81,7 +81,7 @@
-static void TAG(light_rgba_spec)( GLcontext *ctx,
+static void TAG(light_rgba_spec)( GLcontext *ctx,
struct vertex_buffer *VB,
struct gl_pipeline_stage *stage,
GLvector4f *input )
@@ -94,7 +94,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
GLuint vstride = input->stride;
const GLfloat *vertex = (GLfloat *)input->data;
- GLuint nstride = VB->NormalPtr->stride;
+ GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLchan (*CMcolor)[4];
@@ -111,7 +111,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
GLuint *new_material_mask = VB->MaterialMask;
(void) flags;
- (void) nstride;
+ (void) nstride;
(void) vstride;
/* fprintf(stderr, "%s\n", __FUNCTION__ ); */
@@ -134,14 +134,14 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
if (stage->changed_inputs == 0)
return;
- for ( j=0 ;
- j<nr ;
- j++,STRIDE_F(vertex,VSTRIDE),STRIDE_F(normal,NSTRIDE),CMSTRIDE)
+ for ( j=0 ;
+ 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) )
+
+ if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, CMcolor[j] );
if ( CHECK_MATERIAL(j) )
@@ -157,12 +157,12 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
COPY_3V(sum[1], base[1]);
ZERO_3V(spec[1]);
}
-
+
/* Add contribution from each enabled light source */
foreach (light, &ctx->Light.EnabledList) {
GLfloat n_dot_h;
GLfloat correction;
- GLint side;
+ GLint side;
GLfloat contrib[3];
GLfloat attenuation;
GLfloat VP[3]; /* unit vector from vertex to light */
@@ -186,15 +186,15 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
GLfloat invd = 1.0F / d;
SELF_SCALE_SCALAR_3V(VP, invd);
}
-
- attenuation = 1.0F / (light->ConstantAttenuation + d *
- (light->LinearAttenuation + d *
+
+ attenuation = 1.0F / (light->ConstantAttenuation + d *
+ (light->LinearAttenuation + d *
light->QuadraticAttenuation));
/* spotlight attenuation */
if (light->_Flags & LIGHT_SPOT) {
GLfloat PV_dot_dir = - DOT3(VP, light->_NormDirection);
-
+
if (PV_dot_dir<light->_CosCutoff) {
continue; /* this light makes no contribution */
}
@@ -209,7 +209,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
}
- if (attenuation < 1e-3)
+ if (attenuation < 1e-3)
continue; /* this light makes no contribution */
/* Compute dot product or normal and vector from V to light pos */
@@ -228,10 +228,10 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
else {
if (IDX & LIGHT_TWOSIDE) {
ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]);
- }
+ }
side = 0;
correction = 1;
- }
+ }
/* diffuse term */
COPY_3V(contrib, light->_MatAmbient[side]);
@@ -255,7 +255,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
else {
h = light->_h_inf_norm;
}
-
+
n_dot_h = correction * DOT3(normal, h);
if (n_dot_h > 0.0F) {
@@ -274,17 +274,17 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
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];
}
- }
+ }
}
-static void TAG(light_rgba)( GLcontext *ctx,
+static void TAG(light_rgba)( GLcontext *ctx,
struct vertex_buffer *VB,
struct gl_pipeline_stage *stage,
GLvector4f *input )
@@ -297,7 +297,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
GLuint vstride = input->stride;
const GLfloat *vertex = (GLfloat *) input->data;
- GLuint nstride = VB->NormalPtr->stride;
+ GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLchan (*CMcolor)[4];
@@ -313,7 +313,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
/* fprintf(stderr, "%s\n", __FUNCTION__ ); */
(void) flags;
- (void) nstride;
+ (void) nstride;
(void) vstride;
if (IDX & LIGHT_COLORMATERIAL) {
@@ -328,16 +328,16 @@ static void TAG(light_rgba)( GLcontext *ctx,
if (stage->changed_inputs == 0)
return;
- for ( j=0 ;
- j<nr ;
- j++,STRIDE_F(vertex,VSTRIDE), STRIDE_F(normal,NSTRIDE),CMSTRIDE)
+ for ( j=0 ;
+ 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) )
+ if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, (GLchan *)CMcolor[j] );
-
+
if ( CHECK_MATERIAL(j) )
_mesa_update_material( ctx, new_material[j], new_material_mask[j] );
@@ -345,16 +345,16 @@ static void TAG(light_rgba)( GLcontext *ctx,
_mesa_validate_all_lighting_tables( ctx );
COPY_3V(sum[0], base[0]);
-
- if ( IDX & LIGHT_TWOSIDE )
+
+ if ( IDX & LIGHT_TWOSIDE )
COPY_3V(sum[1], base[1]);
-
+
/* Add contribution from each enabled light source */
foreach (light, &ctx->Light.EnabledList) {
GLfloat n_dot_h;
GLfloat correction;
- GLint side;
+ GLint side;
GLfloat contrib[3];
GLfloat attenuation = 1.0;
GLfloat VP[3]; /* unit vector from vertex to light */
@@ -380,8 +380,8 @@ static void TAG(light_rgba)( GLcontext *ctx,
SELF_SCALE_SCALAR_3V(VP, invd);
}
- attenuation = 1.0F / (light->ConstantAttenuation + d *
- (light->LinearAttenuation + d *
+ attenuation = 1.0F / (light->ConstantAttenuation + d *
+ (light->LinearAttenuation + d *
light->QuadraticAttenuation));
/* spotlight attenuation */
@@ -401,8 +401,8 @@ static void TAG(light_rgba)( GLcontext *ctx,
}
}
-
- if (attenuation < 1e-3)
+
+ if (attenuation < 1e-3)
continue; /* this light makes no contribution */
@@ -414,7 +414,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
ACC_SCALE_SCALAR_3V(sum[0], attenuation, light->_MatAmbient[0]);
if (!(IDX & LIGHT_TWOSIDE))
- continue;
+ continue;
side = 1;
correction = -1;
@@ -423,11 +423,11 @@ static void TAG(light_rgba)( GLcontext *ctx,
else {
if (IDX & LIGHT_TWOSIDE) {
ACC_SCALE_SCALAR_3V( sum[1], attenuation, light->_MatAmbient[1]);
- }
+ }
side = 0;
correction = 1;
- }
-
+ }
+
COPY_3V(contrib, light->_MatAmbient[side]);
/* diffuse term */
@@ -451,14 +451,14 @@ static void TAG(light_rgba)( GLcontext *ctx,
else {
h = light->_h_inf_norm;
}
-
+
n_dot_h = correction * DOT3(normal, h);
- if (n_dot_h > 0.0F)
+ if (n_dot_h > 0.0F)
{
GLfloat spec_coef;
struct gl_shine_tab *tab = ctx->_ShineTable[side];
-
+
GET_SHINE_TAB_ENTRY( tab, n_dot_h, spec_coef );
ACC_SCALE_SCALAR_3V( contrib, spec_coef,
@@ -467,7 +467,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
}
ACC_SCALE_SCALAR_3V( sum[side], attenuation, contrib );
- }
+ }
UNCLAMPED_FLOAT_TO_RGB_CHAN( Fcolor[j], sum[0] );
Fcolor[j][3] = sumA[0];
@@ -476,7 +476,7 @@ static void TAG(light_rgba)( GLcontext *ctx,
UNCLAMPED_FLOAT_TO_RGB_CHAN( Bcolor[j], sum[1] );
Bcolor[j][3] = sumA[1];
}
- }
+ }
}
@@ -484,14 +484,14 @@ static void TAG(light_rgba)( GLcontext *ctx,
/* As below, but with just a single light.
*/
-static void TAG(light_fast_rgba_single)( GLcontext *ctx,
+static void TAG(light_fast_rgba_single)( GLcontext *ctx,
struct vertex_buffer *VB,
struct gl_pipeline_stage *stage,
GLvector4f *input )
{
struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
- GLuint nstride = VB->NormalPtr->stride;
+ GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLchan (*CMcolor)[4];
GLuint CMstride;
@@ -510,7 +510,7 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
(void) input; /* doesn't refer to Eye or Obj */
(void) flags;
(void) nr;
- (void) nstride;
+ (void) nstride;
if (IDX & LIGHT_COLORMATERIAL) {
CMcolor = VB->ColorPtr[0]->data;
@@ -526,10 +526,10 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
do {
- if ( CHECK_COLOR_MATERIAL(j) )
+ if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, (GLchan *)CMcolor[j] );
-
- if ( CHECK_MATERIAL(j) )
+
+ if ( CHECK_MATERIAL(j) )
_mesa_update_material( ctx, new_material[j], new_material_mask[j] );
if ( CHECK_VALIDATE(j) )
@@ -544,7 +544,7 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
COPY_3V(base[0], light->_MatAmbient[0]);
ACC_3V(base[0], ctx->Light._BaseColor[0] );
UNCLAMPED_FLOAT_TO_RGB_CHAN( baseubyte[0], base[0] );
-
+
if (IDX & LIGHT_TWOSIDE) {
COPY_3V(base[1], light->_MatAmbient[1]);
ACC_3V(base[1], ctx->Light._BaseColor[1]);
@@ -552,9 +552,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
}
}
- do {
+ do {
GLfloat n_dot_VP = DOT3(normal, light->_VP_inf_norm);
-
+
COPY_CHAN4(Fcolor[j], baseubyte[0]);
if (IDX & LIGHT_TWOSIDE) COPY_CHAN4(Bcolor[j], baseubyte[1]);
@@ -568,7 +568,7 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
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 );
}
} else {
@@ -577,7 +577,7 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
COPY_3V(sum, base[0]);
ACC_SCALE_SCALAR_3V(sum, n_dot_VP, light->_MatDiffuse[0]);
if (n_dot_h > 0.0F) {
- GLfloat spec;
+ GLfloat spec;
GET_SHINE_TAB_ENTRY( ctx->_ShineTable[0], n_dot_h, spec );
ACC_SCALE_SCALAR_3V(sum, spec, light->_MatSpecular[0]);
@@ -589,28 +589,28 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
STRIDE_F(normal, NSTRIDE);
} while (DO_ANOTHER_NORMAL(j));
-
+
for ( ; REUSE_LIGHT_RESULTS(j) ; j++ ) {
COPY_CHAN4(Fcolor[j], Fcolor[j-1]);
- if (IDX & LIGHT_TWOSIDE)
+ if (IDX & LIGHT_TWOSIDE)
COPY_CHAN4(Bcolor[j], Bcolor[j-1]);
STRIDE_F(normal, NSTRIDE);
}
} while (!CHECK_END_VB(j));
-}
+}
/* Light infinite lights
*/
-static void TAG(light_fast_rgba)( GLcontext *ctx,
+static void TAG(light_fast_rgba)( GLcontext *ctx,
struct vertex_buffer *VB,
struct gl_pipeline_stage *stage,
GLvector4f *input )
{
struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
const GLchan *sumA = ctx->Light._BaseAlpha;
- GLuint nstride = VB->NormalPtr->stride;
+ GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLchan (*CMcolor)[4];
GLuint CMstride;
@@ -627,7 +627,7 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
(void) flags;
(void) input;
(void) nr;
- (void) nstride;
+ (void) nstride;
if (IDX & LIGHT_COLORMATERIAL) {
CMcolor = VB->ColorPtr[0]->data;
@@ -645,10 +645,10 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
do {
GLfloat sum[2][3];
- if ( CHECK_COLOR_MATERIAL(j) )
+ if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, CMcolor[j] );
- if ( CHECK_MATERIAL(j) )
+ if ( CHECK_MATERIAL(j) )
_mesa_update_material( ctx, new_material[j], new_material_mask[j] );
if ( CHECK_VALIDATE(j) )
@@ -656,14 +656,14 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
COPY_3V(sum[0], ctx->Light._BaseColor[0]);
- if (IDX & LIGHT_TWOSIDE)
+ 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(sum[0], light->_MatAmbient[0]);
- if (IDX & LIGHT_TWOSIDE)
+ if (IDX & LIGHT_TWOSIDE)
ACC_3V(sum[1], light->_MatAmbient[1]);
n_dot_VP = DOT3(normal, light->_VP_inf_norm);
@@ -674,9 +674,9 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
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( sum[0], spec,
+ ACC_SCALE_SCALAR_3V( sum[0], spec,
light->_MatSpecular[0]);
- }
+ }
}
else if (IDX & LIGHT_TWOSIDE) {
ACC_SCALE_SCALAR_3V(sum[1], -n_dot_VP, light->_MatDiffuse[1]);
@@ -684,15 +684,15 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
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( sum[1], 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];
@@ -713,7 +713,7 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
}
} while (!CHECK_END_VB(j));
-}
+}
@@ -728,7 +728,7 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
* normal - array of [n] surface normal vector
* Output: indexResult - resulting array of [n] color indexes
*/
-static void TAG(light_ci)( GLcontext *ctx,
+static void TAG(light_ci)( GLcontext *ctx,
struct vertex_buffer *VB,
struct gl_pipeline_stage *stage,
GLvector4f *input )
@@ -737,7 +737,7 @@ static void TAG(light_ci)( GLcontext *ctx,
GLuint j;
GLuint vstride = input->stride;
const GLfloat *vertex = (GLfloat *) input->data;
- GLuint nstride = VB->NormalPtr->stride;
+ GLuint nstride = VB->NormalPtr->stride;
const GLfloat *normal = (GLfloat *)VB->NormalPtr->data;
GLchan (*CMcolor)[4];
GLuint CMstride;
@@ -749,7 +749,7 @@ static void TAG(light_ci)( GLcontext *ctx,
/* fprintf(stderr, "%s\n", __FUNCTION__ ); */
(void) flags;
- (void) nstride;
+ (void) nstride;
(void) vstride;
VB->IndexPtr[0] = &store->LitIndex[0];
@@ -769,17 +769,17 @@ static void TAG(light_ci)( GLcontext *ctx,
}
/* loop over vertices */
- for ( j=0 ;
- j<nr ;
- j++,STRIDE_F(vertex,VSTRIDE),STRIDE_F(normal, NSTRIDE), CMSTRIDE)
+ for ( j=0 ;
+ j<nr ;
+ j++,STRIDE_F(vertex,VSTRIDE),STRIDE_F(normal, NSTRIDE), CMSTRIDE)
{
GLfloat diffuse[2], specular[2];
GLuint side = 0;
struct gl_light *light;
-
- if ( CHECK_COLOR_MATERIAL(j) )
+
+ if ( CHECK_COLOR_MATERIAL(j) )
_mesa_update_color_material( ctx, (GLchan *)CMcolor[j] );
-
+
if ( CHECK_MATERIAL(j) )
_mesa_update_material( ctx, new_material[j], new_material_mask[j] );
@@ -807,7 +807,7 @@ static void TAG(light_ci)( GLcontext *ctx,
}
else {
GLfloat d; /* distance from vertex to light */
-
+
SUB_3V(VP, light->_Position, vertex);
d = LEN_3FV( VP );
@@ -816,8 +816,8 @@ static void TAG(light_ci)( GLcontext *ctx,
SELF_SCALE_SCALAR_3V(VP, invd);
}
- attenuation = 1.0F / (light->ConstantAttenuation + d *
- (light->LinearAttenuation + d *
+ attenuation = 1.0F / (light->ConstantAttenuation + d *
+ (light->LinearAttenuation + d *
light->QuadraticAttenuation));
/* spotlight attenuation */
@@ -836,14 +836,14 @@ static void TAG(light_ci)( GLcontext *ctx,
}
}
- if (attenuation < 1e-3)
+ if (attenuation < 1e-3)
continue; /* this light makes no contribution */
n_dot_VP = DOT3( normal, VP );
/* which side are we lighting? */
if (n_dot_VP < 0.0F) {
- if (!(IDX & LIGHT_TWOSIDE))
+ if (!(IDX & LIGHT_TWOSIDE))
continue;
side = 1;
correction = -1;
@@ -894,7 +894,7 @@ static void TAG(light_ci)( GLcontext *ctx,
else {
GLfloat d_a = mat->DiffuseIndex - mat->AmbientIndex;
GLfloat s_a = mat->SpecularIndex - mat->AmbientIndex;
-
+
index = mat->AmbientIndex
+ diffuse[side] * (1.0F-specular[side]) * d_a
+ specular[side] * s_a;
@@ -921,7 +921,7 @@ static void TAG(init_light_tab)( void )
#undef TAG
-#undef IDX
+#undef IDX
#undef NR_SIDES
#undef NSTRIDE
#undef VSTRIDE