diff options
Diffstat (limited to 'src/mesa/main/texstate.c')
| -rw-r--r-- | src/mesa/main/texstate.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index ecfd5c5..f55cb54 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -1,4 +1,4 @@ -/* $Id: texstate.c,v 1.31 2001/02/17 00:15:39 brianp Exp $ */ +/* $Id: texstate.c,v 1.32 2001/02/17 18:41:01 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -770,6 +770,31 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) /* (keithh@netcomuk.co.uk) */ texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE; + } + else { + gl_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname)"); + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + GLenum op = (GLenum) params[0]; + if (op == GL_TEXTURE_LEQUAL_R_SGIX || + op == GL_TEXTURE_GEQUAL_R_SGIX) { + texObj->CompareFlag = (GLenum) op; + } + else { + gl_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)"); + } + } + else { + gl_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname)"); + return; + } + break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" ); return; @@ -1021,6 +1046,24 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) case GL_TEXTURE_MAX_LEVEL: *params = (GLfloat) obj->MaxLevel; break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLfloat) obj->CompareFlag; + } + else { + gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" ); + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLfloat) obj->CompareOperator; + } + else { + gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" ); + return; + } + break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" ); } @@ -1095,6 +1138,24 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) case GL_TEXTURE_MAX_LEVEL: *params = obj->MaxLevel; break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLint) obj->CompareFlag; + } + else { + gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" ); + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLint) obj->CompareOperator; + } + else { + gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" ); + return; + } + break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" ); } |