-/* $Id: hint.c,v 1.5 2000/10/30 13:32:00 keithw Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * Version: 4.1
+ *
+ * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
#include "enums.h"
#include "context.h"
#include "hint.h"
-#include "state.h"
-#endif
+#include "imports.h"
-void
+void GLAPIENTRY
_mesa_Hint( GLenum target, GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
- (void) _mesa_try_Hint( ctx, target, mode );
-}
-
-
-GLboolean
-_mesa_try_Hint( GLcontext *ctx, GLenum target, GLenum mode )
-{
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, "glHint", GL_FALSE);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
- fprintf(stderr, "glHint %s %d\n", gl_lookup_enum_by_nr(target), mode);
+ _mesa_debug(ctx, "glHint %s %d\n",
+ _mesa_lookup_enum_by_nr(target), mode);
if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
- gl_error(ctx, GL_INVALID_ENUM, "glHint(mode)");
- return GL_FALSE;
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(mode)");
+ return;
}
switch (target) {
case GL_FOG_HINT:
+ if (ctx->Hint.Fog == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.Fog = mode;
break;
case GL_LINE_SMOOTH_HINT:
+ if (ctx->Hint.LineSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.LineSmooth = mode;
break;
case GL_PERSPECTIVE_CORRECTION_HINT:
+ if (ctx->Hint.PerspectiveCorrection == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.PerspectiveCorrection = mode;
break;
case GL_POINT_SMOOTH_HINT:
+ if (ctx->Hint.PointSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.PointSmooth = mode;
break;
case GL_POLYGON_SMOOTH_HINT:
+ if (ctx->Hint.PolygonSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.PolygonSmooth = mode;
break;
- case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
- case GL_STRICT_DEPTHFUNC_HINT_PGI:
- break;
- case GL_STRICT_LIGHTING_HINT_PGI:
- ctx->Hint.StrictLighting = mode;
- break;
- case GL_STRICT_SCISSOR_HINT_PGI:
- case GL_FULL_STIPPLE_HINT_PGI:
- case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
- case GL_NATIVE_GRAPHICS_END_HINT_PGI:
- case GL_CONSERVE_MEMORY_HINT_PGI:
- case GL_RECLAIM_MEMORY_HINT_PGI:
- break;
- case GL_ALWAYS_FAST_HINT_PGI:
- if (mode) {
- ctx->Hint.AllowDrawWin = GL_TRUE;
- ctx->Hint.AllowDrawFrg = GL_FALSE;
- ctx->Hint.AllowDrawMem = GL_FALSE;
- } else {
- ctx->Hint.AllowDrawWin = GL_TRUE;
- ctx->Hint.AllowDrawFrg = GL_TRUE;
- ctx->Hint.AllowDrawMem = GL_TRUE;
- }
- break;
- case GL_ALWAYS_SOFT_HINT_PGI:
- ctx->Hint.AllowDrawWin = GL_TRUE;
- ctx->Hint.AllowDrawFrg = GL_TRUE;
- ctx->Hint.AllowDrawMem = GL_TRUE;
- break;
- case GL_ALLOW_DRAW_OBJ_HINT_PGI:
- break;
- case GL_ALLOW_DRAW_WIN_HINT_PGI:
- ctx->Hint.AllowDrawWin = mode;
- break;
- case GL_ALLOW_DRAW_FRG_HINT_PGI:
- ctx->Hint.AllowDrawFrg = mode;
- break;
- case GL_ALLOW_DRAW_MEM_HINT_PGI:
- ctx->Hint.AllowDrawMem = mode;
- break;
- case GL_CLIP_NEAR_HINT_PGI:
- case GL_CLIP_FAR_HINT_PGI:
- case GL_WIDE_LINE_HINT_PGI:
- case GL_BACK_NORMALS_HINT_PGI:
- case GL_NATIVE_GRAPHICS_HANDLE_PGI:
- break;
/* GL_EXT_clip_volume_hint */
case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
+ if (ctx->Hint.ClipVolumeClipping == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
ctx->Hint.ClipVolumeClipping = mode;
break;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
- if (ctx->Extensions.ARB_texture_compression) {
- ctx->Hint.TextureCompression = mode;
+ if (!ctx->Extensions.ARB_texture_compression) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ return;
}
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ if (ctx->Hint.TextureCompression == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.TextureCompression = mode;
+ break;
+
+ /* GL_SGIS_generate_mipmap */
+ case GL_GENERATE_MIPMAP_HINT_SGIS:
+ if (!ctx->Extensions.SGIS_generate_mipmap) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ return;
}
+ if (ctx->Hint.GenerateMipmap == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.GenerateMipmap = mode;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glHint(target)");
- return GL_FALSE;
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ return;
}
- ctx->NewState |= _NEW_HINT;
-
if (ctx->Driver.Hint) {
(*ctx->Driver.Hint)( ctx, target, mode );
}
-
- return GL_TRUE;
}
-void
-_mesa_HintPGI( GLenum target, GLint mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glHintPGI");
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
- if (MESA_VERBOSE & VERBOSE_API)
- fprintf(stderr, "glHintPGI %s %d\n", gl_lookup_enum_by_nr(target), mode);
-
- if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
- gl_error(ctx, GL_INVALID_ENUM, "glHintPGI(mode)");
- return;
- }
-
- switch (target) {
- case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
- case GL_STRICT_DEPTHFUNC_HINT_PGI:
- case GL_STRICT_LIGHTING_HINT_PGI:
- case GL_STRICT_SCISSOR_HINT_PGI:
- case GL_FULL_STIPPLE_HINT_PGI:
- case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
- case GL_NATIVE_GRAPHICS_END_HINT_PGI:
- case GL_CONSERVE_MEMORY_HINT_PGI:
- case GL_RECLAIM_MEMORY_HINT_PGI:
- case GL_ALWAYS_FAST_HINT_PGI:
- case GL_ALWAYS_SOFT_HINT_PGI:
- case GL_ALLOW_DRAW_OBJ_HINT_PGI:
- case GL_ALLOW_DRAW_WIN_HINT_PGI:
- case GL_ALLOW_DRAW_FRG_HINT_PGI:
- case GL_ALLOW_DRAW_MEM_HINT_PGI:
- case GL_CLIP_NEAR_HINT_PGI:
- case GL_CLIP_FAR_HINT_PGI:
- case GL_WIDE_LINE_HINT_PGI:
- case GL_BACK_NORMALS_HINT_PGI:
- case GL_NATIVE_GRAPHICS_HANDLE_PGI:
- (void) _mesa_try_Hint(ctx, target, (GLenum) mode);
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glHintPGI(target)" );
- return;
- }
+void _mesa_init_hint( GLcontext * ctx )
+{
+ /* Hint group */
+ ctx->Hint.PerspectiveCorrection = GL_DONT_CARE;
+ ctx->Hint.PointSmooth = GL_DONT_CARE;
+ ctx->Hint.LineSmooth = GL_DONT_CARE;
+ ctx->Hint.PolygonSmooth = GL_DONT_CARE;
+ ctx->Hint.Fog = GL_DONT_CARE;
+ ctx->Hint.ClipVolumeClipping = GL_DONT_CARE;
+ ctx->Hint.TextureCompression = GL_DONT_CARE;
+ ctx->Hint.GenerateMipmap = GL_DONT_CARE;
}
-
-