diff options
Diffstat (limited to 'src/mesa/main/light.c')
| -rw-r--r-- | src/mesa/main/light.c | 246 |
1 files changed, 196 insertions, 50 deletions
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index e38e25ba822..f5a611dd140 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1,8 +1,8 @@ -/* $Id: light.c,v 1.8 1999/11/10 06:29:44 keithw Exp $ */ +/* $Id: light.c,v 1.9 1999/11/11 01:22:27 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.1 + * Version: 3.3 * * Copyright (C) 1999 Brian Paul All Rights Reserved. * @@ -25,27 +25,16 @@ */ - - - #ifdef PC_HEADER #include "all.h" #else -#include <float.h> -#ifndef XFree86Server -#include <assert.h> -#include <float.h> -#include <math.h> -#include <stdlib.h> -#include <stdio.h> -#else -#include "GL/xf86glx.h" -#endif +#include "glheader.h" #include "context.h" #include "enums.h" #include "light.h" #include "macros.h" #include "matrix.h" +#include "mem.h" #include "mmath.h" #include "simple_list.h" #include "types.h" @@ -55,46 +44,50 @@ -void gl_ShadeModel( GLcontext *ctx, GLenum mode ) +void +_mesa_ShadeModel( GLenum mode ) { + GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glShadeModel"); if (MESA_VERBOSE & VERBOSE_API) fprintf(stderr, "glShadeModel %s\n", gl_lookup_enum_by_nr(mode)); - - switch (mode) { - case GL_FLAT: - case GL_SMOOTH: + if (mode == GL_FLAT || mode == GL_SMOOTH) { if (ctx->Light.ShadeModel!=mode) { - ctx->Light.ShadeModel = mode; - ctx->TriangleCaps ^= DD_FLATSHADE; - ctx->NewState |= NEW_RASTER_OPS; + ctx->Light.ShadeModel = mode; + ctx->TriangleCaps ^= DD_FLATSHADE; + ctx->NewState |= NEW_RASTER_OPS; + if (ctx->Driver.ShadeModel) + (*ctx->Driver.ShadeModel)( ctx, mode ); } - break; - default: + } + else { gl_error( ctx, GL_INVALID_ENUM, "glShadeModel" ); } - - if (ctx->Driver.ShadeModel) - (*ctx->Driver.ShadeModel)( ctx, mode ); } -void gl_Lightfv( GLcontext *ctx, - GLenum light, GLenum pname, const GLfloat *params, - GLint nparams ) +void +_mesa_Lightf( GLenum light, GLenum pname, GLfloat param ) { - GLint l; + _mesa_Lightfv( light, pname, ¶m ); +} - (void) nparams; + +void +_mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint l; + GLint nParams; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glLight"); l = (GLint) (light - GL_LIGHT0); - if (l<0 || l>=MAX_LIGHTS) { + if (l < 0 || l >= MAX_LIGHTS) { gl_error( ctx, GL_INVALID_ENUM, "glLight" ); return; } @@ -102,18 +95,22 @@ void gl_Lightfv( GLcontext *ctx, switch (pname) { case GL_AMBIENT: COPY_4V( ctx->Light.Light[l].Ambient, params ); + nParams = 4; break; case GL_DIFFUSE: COPY_4V( ctx->Light.Light[l].Diffuse, params ); + nParams = 4; break; case GL_SPECULAR: COPY_4V( ctx->Light.Light[l].Specular, params ); + nParams = 4; break; case GL_POSITION: /* transform position by ModelView matrix */ TRANSFORM_POINT( ctx->Light.Light[l].EyePosition, ctx->ModelView.m, params ); + nParams = 4; break; case GL_SPOT_DIRECTION: /* transform direction by inverse modelview */ @@ -123,6 +120,7 @@ void gl_Lightfv( GLcontext *ctx, TRANSFORM_NORMAL( ctx->Light.Light[l].EyeDirection, params, ctx->ModelView.inv ); + nParams = 3; break; case GL_SPOT_EXPONENT: if (params[0]<0.0 || params[0]>128.0) { @@ -133,6 +131,7 @@ void gl_Lightfv( GLcontext *ctx, ctx->Light.Light[l].SpotExponent = params[0]; gl_compute_spot_exp_table( &ctx->Light.Light[l] ); } + nParams = 1; break; case GL_SPOT_CUTOFF: if ((params[0]<0.0 || params[0]>90.0) && params[0]!=180.0) { @@ -143,6 +142,7 @@ void gl_Lightfv( GLcontext *ctx, ctx->Light.Light[l].CosCutoff = cos(params[0]*DEG2RAD); if (ctx->Light.Light[l].CosCutoff < 0) ctx->Light.Light[l].CosCutoff = 0; + nParams = 1; break; case GL_CONSTANT_ATTENUATION: if (params[0]<0.0) { @@ -150,6 +150,7 @@ void gl_Lightfv( GLcontext *ctx, return; } ctx->Light.Light[l].ConstantAttenuation = params[0]; + nParams = 1; break; case GL_LINEAR_ATTENUATION: if (params[0]<0.0) { @@ -157,6 +158,7 @@ void gl_Lightfv( GLcontext *ctx, return; } ctx->Light.Light[l].LinearAttenuation = params[0]; + nParams = 1; break; case GL_QUADRATIC_ATTENUATION: if (params[0]<0.0) { @@ -164,23 +166,73 @@ void gl_Lightfv( GLcontext *ctx, return; } ctx->Light.Light[l].QuadraticAttenuation = params[0]; + nParams = 1; break; default: gl_error( ctx, GL_INVALID_ENUM, "glLight" ); - break; + return; } if (ctx->Driver.Lightfv) - ctx->Driver.Lightfv( ctx, light, pname, params, nparams ); + ctx->Driver.Lightfv( ctx, light, pname, params, nParams ); ctx->NewState |= NEW_LIGHTING; } +void +_mesa_Lighti( GLenum light, GLenum pname, GLint param ) +{ + _mesa_Lightiv( light, pname, ¶m ); +} + -void gl_GetLightfv( GLcontext *ctx, - GLenum light, GLenum pname, GLfloat *params ) +void +_mesa_Lightiv( GLenum light, GLenum pname, const GLint *params ) { + GLfloat fparam[4]; + + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_POSITION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + fparam[3] = (GLfloat) params[3]; + break; + case GL_SPOT_DIRECTION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + break; + case GL_SPOT_EXPONENT: + case GL_SPOT_CUTOFF: + case GL_CONSTANT_ATTENUATION: + case GL_LINEAR_ATTENUATION: + case GL_QUADRATIC_ATTENUATION: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* error will be caught later in gl_Lightfv */ + ; + } + + _mesa_Lightfv( light, pname, fparam ); +} + + + +void +_mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); GLint l = (GLint) (light - GL_LIGHT0); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetLight"); @@ -229,8 +281,10 @@ void gl_GetLightfv( GLcontext *ctx, -void gl_GetLightiv( GLcontext *ctx, GLenum light, GLenum pname, GLint *params ) +void +_mesa_GetLightiv( GLenum light, GLenum pname, GLint *params ) { + GET_CURRENT_CONTEXT(ctx); GLint l = (GLint) (light - GL_LIGHT0); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetLight"); @@ -298,9 +352,11 @@ void gl_GetLightiv( GLcontext *ctx, GLenum light, GLenum pname, GLint *params ) /**********************************************************************/ -void gl_LightModelfv( GLcontext *ctx, GLenum pname, const GLfloat *params ) +void +_mesa_LightModelfv( GLenum pname, const GLfloat *params ) { - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glLightModel"); + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glLightModelfv"); switch (pname) { case GL_LIGHT_MODEL_AMBIENT: @@ -344,6 +400,46 @@ void gl_LightModelfv( GLcontext *ctx, GLenum pname, const GLfloat *params ) } +void +_mesa_LightModeliv( GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glLightModeliv"); + + switch (pname) { + case GL_LIGHT_MODEL_AMBIENT: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + case GL_LIGHT_MODEL_TWO_SIDE: + case GL_LIGHT_MODEL_COLOR_CONTROL: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* Error will be caught later in gl_LightModelfv */ + ; + } + _mesa_LightModelfv( pname, fparam ); +} + + +void +_mesa_LightModeli( GLenum pname, GLint param ) +{ + _mesa_LightModeliv( pname, ¶m ); +} + + +void +_mesa_LightModelf( GLenum pname, GLfloat param ) +{ + _mesa_LightModelfv( pname, ¶m ); +} + /********** MATERIAL **********/ @@ -569,11 +665,11 @@ void gl_update_color_material( GLcontext *ctx, GLfloat tmp[4], color[4]; UBYTE_RGBA_TO_FLOAT_RGBA( color, rgba ); - + if (MESA_VERBOSE&VERBOSE_IMMEDIATE) fprintf(stderr, "gl_update_color_material, mask %x\n", bitmask); - + if (bitmask & FRONT_AMBIENT_BIT) { struct gl_material *mat = &ctx->Light.Material[0]; SUB_3V( tmp, color, mat->Ambient ); @@ -676,8 +772,10 @@ void gl_update_color_material( GLcontext *ctx, -void gl_ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode ) +void +_mesa_ColorMaterial( GLenum face, GLenum mode ) { + GET_CURRENT_CONTEXT(ctx); GLuint bitmask; GLuint legal = (FRONT_EMISSION_BIT | BACK_EMISSION_BIT | FRONT_SPECULAR_BIT | BACK_SPECULAR_BIT | @@ -705,12 +803,21 @@ void gl_ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode ) + +void +_mesa_Materialf( GLenum face, GLenum pname, GLfloat param ) +{ + _mesa_Materialfv( face, pname, ¶m ); +} + + /* KW: This is now called directly (ie by name) from the glMaterial* * API functions. */ -void gl_Materialfv( GLcontext *ctx, - GLenum face, GLenum pname, const GLfloat *params ) +void +_mesa_Materialfv( GLenum face, GLenum pname, const GLfloat *params ) { + GET_CURRENT_CONTEXT(ctx); struct immediate *IM; struct gl_material *mat; GLuint bitmask; @@ -736,6 +843,7 @@ void gl_Materialfv( GLcontext *ctx, IM->MaterialMask[count] = 0; } + IM->MaterialMask[count] |= bitmask; mat = IM->Material[count]; @@ -784,11 +892,48 @@ void gl_Materialfv( GLcontext *ctx, } +void +_mesa_Materiali(GLenum face, GLenum pname, GLint param ) +{ + _mesa_Materialiv(face, pname, ¶m); +} + + +void +_mesa_Materialiv(GLenum face, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + case GL_EMISSION: + case GL_AMBIENT_AND_DIFFUSE: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_SHININESS: + fparam[0] = (GLfloat) params[0]; + break; + case GL_COLOR_INDEXES: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + break; + default: + /* Error will be caught later in gl_Materialfv */ + ; + } + _mesa_Materialfv(face, pname, fparam); +} -void gl_GetMaterialfv( GLcontext *ctx, - GLenum face, GLenum pname, GLfloat *params ) +void +_mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ) { + GET_CURRENT_CONTEXT(ctx); GLuint f; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetMaterialfv"); @@ -831,9 +976,10 @@ void gl_GetMaterialfv( GLcontext *ctx, -void gl_GetMaterialiv( GLcontext *ctx, - GLenum face, GLenum pname, GLint *params ) +void +_mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params ) { + GET_CURRENT_CONTEXT(ctx); GLuint f; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetMaterialiv"); |