GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glCullFace %s\n", _mesa_lookup_enum_by_nr(mode));
+ _mesa_debug(ctx, "glCullFace %s\n", _mesa_enum_to_string(mode));
if (mode!=GL_FRONT && mode!=GL_BACK && mode!=GL_FRONT_AND_BACK) {
_mesa_error( ctx, GL_INVALID_ENUM, "glCullFace" );
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glFrontFace %s\n", _mesa_lookup_enum_by_nr(mode));
+ _mesa_debug(ctx, "glFrontFace %s\n", _mesa_enum_to_string(mode));
+
+ if (ctx->Polygon.FrontFace == mode)
+ return;
if (mode!=GL_CW && mode!=GL_CCW) {
_mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
return;
}
- if (ctx->Polygon.FrontFace == mode)
- return;
-
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.FrontFace = mode;
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glPolygonMode %s %s\n",
- _mesa_lookup_enum_by_nr(face),
- _mesa_lookup_enum_by_nr(mode));
+ _mesa_enum_to_string(face),
+ _mesa_enum_to_string(mode));
if (mode!=GL_POINT && mode!=GL_LINE && mode!=GL_FILL) {
_mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(mode)" );
_mesa_GetnPolygonStippleARB(INT_MAX, dest);
}
-
-void GLAPIENTRY
-_mesa_PolygonOffset( GLfloat factor, GLfloat units )
+void
+_mesa_polygon_offset_clamp(struct gl_context *ctx,
+ GLfloat factor, GLfloat units, GLfloat clamp)
{
- GET_CURRENT_CONTEXT(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units);
-
if (ctx->Polygon.OffsetFactor == factor &&
- ctx->Polygon.OffsetUnits == units)
+ ctx->Polygon.OffsetUnits == units &&
+ ctx->Polygon.OffsetClamp == clamp)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetFactor = factor;
ctx->Polygon.OffsetUnits = units;
+ ctx->Polygon.OffsetClamp = clamp;
if (ctx->Driver.PolygonOffset)
- ctx->Driver.PolygonOffset( ctx, factor, units );
+ ctx->Driver.PolygonOffset( ctx, factor, units, clamp );
+}
+
+void GLAPIENTRY
+_mesa_PolygonOffset( GLfloat factor, GLfloat units )
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units);
+
+ _mesa_polygon_offset_clamp(ctx, factor, units, 0.0);
}
void GLAPIENTRY
_mesa_PolygonOffsetClampEXT( GLfloat factor, GLfloat units, GLfloat clamp )
{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->Extensions.EXT_polygon_offset_clamp) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "unsupported function (glPolygonOffsetClampEXT) called");
+ return;
+ }
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glPolygonOffsetClampEXT %f %f %f\n", factor, units, clamp);
+ _mesa_polygon_offset_clamp(ctx, factor, units, clamp);
}
ctx->Polygon.StippleFlag = GL_FALSE;
ctx->Polygon.OffsetFactor = 0.0F;
ctx->Polygon.OffsetUnits = 0.0F;
+ ctx->Polygon.OffsetClamp = 0.0F;
ctx->Polygon.OffsetPoint = GL_FALSE;
ctx->Polygon.OffsetLine = GL_FALSE;
ctx->Polygon.OffsetFill = GL_FALSE;