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initial support for GL_SGIS_generate_mipmap extension

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This commit is contained in:
Brian Paul
2001-05-21 16:41:03 +00:00
parent e7e38a47a8
commit 3893e638e6
11 changed files with 621 additions and 101 deletions
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93
src/mesa/main/texstate.c
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@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.50 2001/05/18 22:10:49 brianp Exp $ */
/* $Id: texstate.c,v 1.51 2001/05/21 16:41:03 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1043,6 +1043,15 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
return;
}
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname)");
return;
}
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" );
return;
@@ -1272,25 +1281,25 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = ENUM_TO_FLOAT(obj->MagFilter);
break;
return;
case GL_TEXTURE_MIN_FILTER:
*params = ENUM_TO_FLOAT(obj->MinFilter);
break;
return;
case GL_TEXTURE_WRAP_S:
*params = ENUM_TO_FLOAT(obj->WrapS);
break;
return;
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->WrapT);
break;
return;
case GL_TEXTURE_WRAP_R_EXT:
*params = ENUM_TO_FLOAT(obj->WrapR);
break;
return;
case GL_TEXTURE_BORDER_COLOR:
params[0] = obj->BorderColor[0] / CHAN_MAXF;
params[1] = obj->BorderColor[1] / CHAN_MAXF;
params[2] = obj->BorderColor[2] / CHAN_MAXF;
params[3] = obj->BorderColor[3] / CHAN_MAXF;
break;
return;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
@@ -1300,52 +1309,51 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
resident = GL_TRUE;
*params = ENUM_TO_FLOAT(resident);
}
break;
return;
case GL_TEXTURE_PRIORITY:
*params = obj->Priority;
break;
return;
case GL_TEXTURE_MIN_LOD:
*params = obj->MinLod;
break;
return;
case GL_TEXTURE_MAX_LOD:
*params = obj->MaxLod;
break;
return;
case GL_TEXTURE_BASE_LEVEL:
*params = (GLfloat) obj->BaseLevel;
break;
return;
case GL_TEXTURE_MAX_LEVEL:
*params = (GLfloat) obj->MaxLevel;
break;
return;
case GL_TEXTURE_COMPARE_SGIX:
if (ctx->Extensions.SGIX_shadow) {
*params = (GLfloat) obj->CompareFlag;
}
else {
_mesa_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 {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
return;
}
break;
case GL_SHADOW_AMBIENT_SGIX:
if (ctx->Extensions.SGIX_shadow_ambient) {
*params = CHAN_TO_FLOAT(obj->ShadowAmbient);
return;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)");
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
*params = (GLfloat) obj->GenerateMipmap;
return;
}
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
; /* silence warnings */
}
/* If we get here, pname was an unrecognized enum */
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
}
@@ -1366,19 +1374,19 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->MagFilter;
break;
return;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->MinFilter;
break;
return;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->WrapS;
break;
return;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->WrapT;
break;
return;
case GL_TEXTURE_WRAP_R_EXT:
*params = (GLint) obj->WrapR;
break;
return;
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat color[4];
@@ -1391,7 +1399,7 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
params[2] = FLOAT_TO_INT( color[2] );
params[3] = FLOAT_TO_INT( color[3] );
}
break;
return;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
@@ -1401,37 +1409,31 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
resident = GL_TRUE;
*params = (GLint) resident;
}
break;
return;
case GL_TEXTURE_PRIORITY:
*params = (GLint) obj->Priority;
break;
return;
case GL_TEXTURE_MIN_LOD:
*params = (GLint) obj->MinLod;
break;
return;
case GL_TEXTURE_MAX_LOD:
*params = (GLint) obj->MaxLod;
break;
return;
case GL_TEXTURE_BASE_LEVEL:
*params = obj->BaseLevel;
break;
return;
case GL_TEXTURE_MAX_LEVEL:
*params = obj->MaxLevel;
break;
return;
case GL_TEXTURE_COMPARE_SGIX:
if (ctx->Extensions.SGIX_shadow) {
*params = (GLint) obj->CompareFlag;
}
else {
_mesa_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 {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
return;
}
break;
@@ -1439,15 +1441,20 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
if (ctx->Extensions.SGIX_shadow_ambient) {
/* XXX range? */
*params = (GLint) CHAN_TO_FLOAT(obj->ShadowAmbient);
return;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)");
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
*params = (GLint) obj->GenerateMipmap;
return;
}
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
; /* silence warnings */
}
/* If we get here, pname was an unrecognized enum */
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
}