diff options
| author | Patrice Mandin <pmandin@freedesktop.org> | 2006-11-24 23:34:03 +0000 |
|---|---|---|
| committer | Patrice Mandin <pmandin@freedesktop.org> | 2006-11-24 23:34:03 +0000 |
| commit | 291155172733b08238d77440ae935f82bff70bf9 (patch) | |
| tree | 3933001632ce2157d9363268f7378669f6473a6a /src/mesa/drivers/dri/nouveau/nv20_state.c | |
| parent | 78e5f414cbe0db6600609092390d795d2039d963 (diff) | |
nv10,nv20,nv30: send correct values for spot light direction X,Y,Z and
cutoff parameter C
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_state.c | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state.c b/src/mesa/drivers/dri/nouveau/nv20_state.c index 338cfd43b0..082dc64b83 100644 --- a/src/mesa/drivers/dri/nouveau/nv20_state.c +++ b/src/mesa/drivers/dri/nouveau/nv20_state.c @@ -340,62 +340,76 @@ static void nv20Hint(GLcontext *ctx, GLenum target, GLenum mode) static void nv20Lightfv(GLcontext *ctx, GLenum light, GLenum pname, const GLfloat *params ) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + GLint p = light - GL_LIGHT0; + struct gl_light *l = &ctx->Light.Light[p]; + /* not sure where the fourth param value goes...*/ switch(pname) { case GL_AMBIENT: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_AMBIENT_R(light), 3); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_AMBIENT_R(p), 3); OUT_RING_CACHEf(params[0]); OUT_RING_CACHEf(params[1]); OUT_RING_CACHEf(params[2]); break; case GL_DIFFUSE: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_DIFFUSE_R(light), 3); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_DIFFUSE_R(p), 3); OUT_RING_CACHEf(params[0]); OUT_RING_CACHEf(params[1]); OUT_RING_CACHEf(params[2]); break; case GL_SPECULAR: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_SPECULAR_R(light), 3); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_SPECULAR_R(p), 3); OUT_RING_CACHEf(params[0]); OUT_RING_CACHEf(params[1]); OUT_RING_CACHEf(params[2]); break; case GL_SPOT_DIRECTION: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_DIR_X(light), 3); - OUT_RING_CACHEf(params[0]); - OUT_RING_CACHEf(params[1]); - OUT_RING_CACHEf(params[2]); + { + GLfloat x,y,z; + x = -2.0 * (1.0 + l->_CosCutoff) * l->_NormDirection[0]; + y = -2.0 * (1.0 + l->_CosCutoff) * l->_NormDirection[1]; + z = -2.0 * (1.0 + l->_CosCutoff) * l->_NormDirection[2]; + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_DIR_X(p), 3); + OUT_RING_CACHEf(x); + OUT_RING_CACHEf(y); + OUT_RING_CACHEf(z); + } break; case GL_POSITION: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_POSITION_X(light), 3); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_POSITION_X(p), 3); OUT_RING_CACHEf(params[0]); OUT_RING_CACHEf(params[1]); OUT_RING_CACHEf(params[2]); break; case GL_SPOT_EXPONENT: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_EXPONENT(light), 1); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_EXPONENT(p), 1); OUT_RING_CACHEf(*params); break; case GL_SPOT_CUTOFF: /* you can't factor these */ - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_A(light), 1); - OUT_RING_CACHEf(params[0]); - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_B(light), 1); - OUT_RING_CACHEf(params[1]); - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_C(light), 1); - OUT_RING_CACHEf(params[2]); + { + GLfloat c; + c = -2.0 * (0.5 + l->_CosCutoff); + + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_A(p), 1); + OUT_RING_CACHEf(params[0]); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_B(p), 1); + OUT_RING_CACHEf(params[1]); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_C(p), 1); + OUT_RING_CACHEf(c); + } break; case GL_CONSTANT_ATTENUATION: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_CONSTANT_ATTENUATION(light), 1); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_CONSTANT_ATTENUATION(p), 1); OUT_RING_CACHEf(*params); break; case GL_LINEAR_ATTENUATION: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_LINEAR_ATTENUATION(light), 1); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_LINEAR_ATTENUATION(p), 1); OUT_RING_CACHEf(*params); break; case GL_QUADRATIC_ATTENUATION: - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_QUADRATIC_ATTENUATION(light), 1); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_QUADRATIC_ATTENUATION(p), 1); OUT_RING_CACHEf(*params); break; default: |