mesa: remove GL_SGIX_shadow, GL_SGIX_shadow_ambient and GL_SGIX_depth_texture

Everyone should be using the newer/better ARB versions of these extensions.

6 files changed, 21 insertions, 105 deletions

diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index 825c841ee21..3be7fd5a2d6 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -820,15 +820,9 @@ pop_texture_group(GLcontext *ctx, struct texture_state *texstate)
             _mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT,
                                 obj->MaxAnisotropy);
          }
-         if (ctx->Extensions.SGIX_shadow) {
-            _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_SGIX,
-                                obj->CompareFlag);
-            _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_OPERATOR_SGIX,
-                                obj->CompareOperator);
-         }
-         if (ctx->Extensions.SGIX_shadow_ambient) {
-            _mesa_TexParameterf(target, GL_SHADOW_AMBIENT_SGIX,
-                                obj->ShadowAmbient);
+         if (ctx->Extensions.ARB_shadow_ambient) {
+            _mesa_TexParameterf(target, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB,
+                                obj->CompareFailValue);
          }
       }
 
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 86144c42ad8..4ebdb5d9aea 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -62,7 +62,7 @@ static const struct {
    { OFF, "GL_ARB_shading_language_100",       F(ARB_shading_language_100) },
    { OFF, "GL_ARB_shading_language_120",       F(ARB_shading_language_120) },
    { OFF, "GL_ARB_shadow",                     F(ARB_shadow) },
-   { OFF, "GL_ARB_shadow_ambient",             F(SGIX_shadow_ambient) },
+   { OFF, "GL_ARB_shadow_ambient",             F(ARB_shadow_ambient) },
    { OFF, "GL_ARB_texture_border_clamp",       F(ARB_texture_border_clamp) },
    { OFF, "GL_ARB_texture_compression",        F(ARB_texture_compression) },
    { OFF, "GL_ARB_texture_cube_map",           F(ARB_texture_cube_map) },
@@ -170,8 +170,6 @@ static const struct {
    { ON,  "GL_SGIS_texture_edge_clamp",        F(SGIS_texture_edge_clamp) },
    { ON,  "GL_SGIS_texture_lod",               F(SGIS_texture_lod) },
    { OFF, "GL_SGIX_depth_texture",             F(ARB_depth_texture) },
-   { OFF, "GL_SGIX_shadow",                    F(SGIX_shadow) },
-   { OFF, "GL_SGIX_shadow_ambient",            F(SGIX_shadow_ambient) },
    { OFF, "GL_SUN_multi_draw_arrays",          F(EXT_multi_draw_arrays) },
    { OFF, "GL_S3_s3tc",                        F(S3_s3tc) },
 };
@@ -214,6 +212,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.ARB_shading_language_120 = GL_FALSE; /* not quite done */
 #endif
    ctx->Extensions.ARB_shadow = GL_TRUE;
+   ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
@@ -302,8 +301,6 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.SGI_texture_color_table = GL_TRUE;
    ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;
    ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
-   ctx->Extensions.SGIX_shadow = GL_TRUE;
-   ctx->Extensions.SGIX_shadow_ambient = GL_TRUE;
 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
 #endif
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 8ab0d26f45d..da243eceacf 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1433,11 +1433,9 @@ struct gl_texture_object
    GLint BaseLevel;		/**< min mipmap level, OpenGL 1.2 */
    GLint MaxLevel;		/**< max mipmap level, OpenGL 1.2 */
    GLfloat MaxAnisotropy;	/**< GL_EXT_texture_filter_anisotropic */
-   GLboolean CompareFlag;	/**< GL_SGIX_shadow */
-   GLenum CompareOperator;	/**< GL_SGIX_shadow */
-   GLfloat ShadowAmbient;       /**< GL_ARB_shadow_ambient */
    GLenum CompareMode;		/**< GL_ARB_shadow */
    GLenum CompareFunc;		/**< GL_ARB_shadow */
+   GLfloat CompareFailValue;    /**< GL_ARB_shadow_ambient */
    GLenum _Function;		/**< Comparison function derived from 
 				 * \c CompareOperator, \c CompareMode, and
 				 * \c CompareFunc.
@@ -2563,6 +2561,7 @@ struct gl_extensions
    GLboolean ARB_shading_language_100;
    GLboolean ARB_shading_language_120;
    GLboolean ARB_shadow;
+   GLboolean ARB_shadow_ambient; /* or GL_ARB_shadow_ambient */
    GLboolean ARB_texture_border_clamp;
    GLboolean ARB_texture_compression;
    GLboolean ARB_texture_cube_map;
@@ -2660,8 +2659,6 @@ struct gl_extensions
    GLboolean SGIS_generate_mipmap;
    GLboolean SGIS_texture_edge_clamp;
    GLboolean SGIS_texture_lod;
-   GLboolean SGIX_shadow;
-   GLboolean SGIX_shadow_ambient; /* or GL_ARB_shadow_ambient */
    GLboolean TDFX_texture_compression_FXT1;
    GLboolean S3_s3tc;
    /*@}*/
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index fad39a06347..4e6cf439fc1 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -134,12 +134,10 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj,
    obj->BaseLevel = 0;
    obj->MaxLevel = 1000;
    obj->MaxAnisotropy = 1.0;
-   obj->CompareFlag = GL_FALSE;                      /* SGIX_shadow */
-   obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX;  /* SGIX_shadow */
    obj->CompareMode = GL_NONE;         /* ARB_shadow */
    obj->CompareFunc = GL_LEQUAL;       /* ARB_shadow */
+   obj->CompareFailValue = 0.0F;       /* ARB_shadow_ambient */
    obj->DepthMode = GL_LUMINANCE;      /* ARB_depth_texture */
-   obj->ShadowAmbient = 0.0F;          /* ARB/SGIX_shadow_ambient */
    obj->Swizzle[0] = GL_RED;
    obj->Swizzle[1] = GL_GREEN;
    obj->Swizzle[2] = GL_BLUE;
@@ -248,11 +246,9 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
    dest->BaseLevel = src->BaseLevel;
    dest->MaxLevel = src->MaxLevel;
    dest->MaxAnisotropy = src->MaxAnisotropy;
-   dest->CompareFlag = src->CompareFlag;
-   dest->CompareOperator = src->CompareOperator;
-   dest->ShadowAmbient = src->ShadowAmbient;
    dest->CompareMode = src->CompareMode;
    dest->CompareFunc = src->CompareFunc;
+   dest->CompareFailValue = src->CompareFailValue;
    dest->DepthMode = src->DepthMode;
    dest->_MaxLevel = src->_MaxLevel;
    dest->_MaxLambda = src->_MaxLambda;
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 41c914e5b32..f610fa8dda4 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -260,30 +260,6 @@ set_tex_parameteri(GLcontext *ctx,
       texObj->MaxLevel = params[0];
       return;
 
-   case GL_TEXTURE_COMPARE_SGIX:
-      if (ctx->Extensions.SGIX_shadow) {
-         FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_ENUM,
-                     "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
-      }
-      return;
-
-   case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
-      if (ctx->Extensions.SGIX_shadow &&
-          (params[0] == GL_TEXTURE_LEQUAL_R_SGIX || 
-           params[0] == GL_TEXTURE_GEQUAL_R_SGIX)) {
-         FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         texObj->CompareOperator = params[0];
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_ENUM,
-                     "glTexParameter(GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
-      }
-      return;
-
    case GL_GENERATE_MIPMAP_SGIS:
       if (ctx->Extensions.SGIS_generate_mipmap) {
          FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@@ -454,14 +430,14 @@ set_tex_parameterf(GLcontext *ctx,
       }
       return;
 
-   case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
-      if (ctx->Extensions.SGIX_shadow_ambient) {
+   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+      if (ctx->Extensions.ARB_shadow_ambient) {
          FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
+         texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
       }
       else {
          _mesa_error(ctx, GL_INVALID_ENUM,
-                     "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
+                    "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
       }
       return;
 
@@ -512,8 +488,6 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
    case GL_TEXTURE_WRAP_R:
    case GL_TEXTURE_BASE_LEVEL:
    case GL_TEXTURE_MAX_LEVEL:
-   case GL_TEXTURE_COMPARE_SGIX:
-   case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
    case GL_GENERATE_MIPMAP_SGIS:
    case GL_TEXTURE_COMPARE_MODE_ARB:
    case GL_TEXTURE_COMPARE_FUNC_ARB:
@@ -556,8 +530,6 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
    case GL_TEXTURE_WRAP_R:
    case GL_TEXTURE_BASE_LEVEL:
    case GL_TEXTURE_MAX_LEVEL:
-   case GL_TEXTURE_COMPARE_SGIX:
-   case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
    case GL_GENERATE_MIPMAP_SGIS:
    case GL_TEXTURE_COMPARE_MODE_ARB:
    case GL_TEXTURE_COMPARE_FUNC_ARB:
@@ -613,7 +585,7 @@ _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
    case GL_TEXTURE_PRIORITY:
    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
    case GL_TEXTURE_LOD_BIAS:
-   case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
       {
          GLfloat fparam = (GLfloat) param;
          /* convert int param to float */
@@ -662,7 +634,7 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
    case GL_TEXTURE_PRIORITY:
    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
    case GL_TEXTURE_LOD_BIAS:
-   case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
       {
          /* convert int param to float */
          GLfloat fparam = (GLfloat) params[0];
@@ -1060,23 +1032,9 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
 	 else
 	    error = GL_TRUE;
          break;
-      case GL_TEXTURE_COMPARE_SGIX:
-         if (ctx->Extensions.SGIX_shadow) {
-            *params = (GLfloat) obj->CompareFlag;
-         }
-	 else 
-	    error = GL_TRUE;
-         break;
-      case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
-         if (ctx->Extensions.SGIX_shadow) {
-            *params = (GLfloat) obj->CompareOperator;
-         }
-	 else 
-	    error = GL_TRUE;
-         break;
-      case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
-         if (ctx->Extensions.SGIX_shadow_ambient) {
-            *params = obj->ShadowAmbient;
+      case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+         if (ctx->Extensions.ARB_shadow_ambient) {
+            *params = obj->CompareFailValue;
          }
 	 else 
 	    error = GL_TRUE;
@@ -1248,25 +1206,9 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
             error = GL_TRUE;
          }
          break;
-      case GL_TEXTURE_COMPARE_SGIX:
-         if (ctx->Extensions.SGIX_shadow) {
-            *params = (GLint) obj->CompareFlag;
-         }
-         else {
-            error = GL_TRUE;
-         }
-         break;
-      case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
-         if (ctx->Extensions.SGIX_shadow) {
-            *params = (GLint) obj->CompareOperator;
-         }
-         else {
-            error = GL_TRUE;
-         }
-         break;
-      case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
-         if (ctx->Extensions.SGIX_shadow_ambient) {
-            *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient);
+      case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+         if (ctx->Extensions.ARB_shadow_ambient) {
+            *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue);
          }
          else {
             error = GL_TRUE;
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 7cddec0bcec..f7a4d8b323b 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -404,16 +404,6 @@ update_texture_compare_function(GLcontext *ctx,
        */
       tObj->_Function = GL_NONE;
    }
-   else if (tObj->CompareFlag) {
-      /* GL_SGIX_shadow */
-      if (tObj->CompareOperator == GL_TEXTURE_LEQUAL_R_SGIX) {
-         tObj->_Function = GL_LEQUAL;
-      }
-      else {
-         ASSERT(tObj->CompareOperator == GL_TEXTURE_GEQUAL_R_SGIX);
-         tObj->_Function = GL_GEQUAL;
-      }
-   }
    else if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
       /* GL_ARB_shadow */
       tObj->_Function = tObj->CompareFunc;