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/*
* Mesa 3-D graphics library
* Version: 7.3
*
* Copyright (C) 1999-2008 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
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef STATE_H
#define STATE_H
#include "mtypes.h"
extern void
_mesa_update_state(struct gl_context *ctx);
/* As above but can only be called between _mesa_lock_context_textures() and
* _mesa_unlock_context_textures().
*/
extern void
_mesa_update_state_locked(struct gl_context *ctx);
extern void
_mesa_set_varying_vp_inputs(struct gl_context *ctx, GLbitfield varying_inputs);
extern void
_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag);
/**
* Is the secondary color needed?
*/
static INLINE GLboolean
_mesa_need_secondary_color(const struct gl_context *ctx)
{
if (ctx->Light.Enabled &&
ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
return GL_TRUE;
if (ctx->Fog.ColorSumEnabled)
return GL_TRUE;
if (ctx->VertexProgram._Current &&
(ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) &&
(ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_COLOR1))
return GL_TRUE;
if (ctx->FragmentProgram._Current &&
(ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) &&
(ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_COL1))
return GL_TRUE;
return GL_FALSE;
}
/**
* Is RGBA LogicOp enabled?
*/
static INLINE GLboolean
_mesa_rgba_logicop_enabled(const struct gl_context *ctx)
{
return ctx->Color.ColorLogicOpEnabled ||
(ctx->Color.BlendEnabled && ctx->Color.Blend[0].EquationRGB == GL_LOGIC_OP);
}
#endif
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