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/*
* Mesa 3-D graphics library
* Version: 7.7
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. 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.
*/
/**
* \file mtypes.h
* Main Mesa data structures.
*
* Please try to mark derived values with a leading underscore ('_').
*/
#ifndef MTYPES_H
#define MTYPES_H
#define MAX_DRAW_BUFFERS 8
#define MAX_VARYING 16
/**
* Indexes for vertex program attributes.
* GL_NV_vertex_program aliases generic attributes over the conventional
* attributes. In GL_ARB_vertex_program shader the aliasing is optional.
* In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
* generic attributes are distinct/separate).
*/
typedef enum
{
VERT_ATTRIB_POS = 0,
VERT_ATTRIB_WEIGHT = 1,
VERT_ATTRIB_NORMAL = 2,
VERT_ATTRIB_COLOR0 = 3,
VERT_ATTRIB_COLOR1 = 4,
VERT_ATTRIB_FOG = 5,
VERT_ATTRIB_COLOR_INDEX = 6,
VERT_ATTRIB_POINT_SIZE = 6, /*alias*/
VERT_ATTRIB_EDGEFLAG = 7,
VERT_ATTRIB_TEX0 = 8,
VERT_ATTRIB_TEX1 = 9,
VERT_ATTRIB_TEX2 = 10,
VERT_ATTRIB_TEX3 = 11,
VERT_ATTRIB_TEX4 = 12,
VERT_ATTRIB_TEX5 = 13,
VERT_ATTRIB_TEX6 = 14,
VERT_ATTRIB_TEX7 = 15,
VERT_ATTRIB_GENERIC0 = 16,
VERT_ATTRIB_GENERIC1 = 17,
VERT_ATTRIB_GENERIC2 = 18,
VERT_ATTRIB_GENERIC3 = 19,
VERT_ATTRIB_GENERIC4 = 20,
VERT_ATTRIB_GENERIC5 = 21,
VERT_ATTRIB_GENERIC6 = 22,
VERT_ATTRIB_GENERIC7 = 23,
VERT_ATTRIB_GENERIC8 = 24,
VERT_ATTRIB_GENERIC9 = 25,
VERT_ATTRIB_GENERIC10 = 26,
VERT_ATTRIB_GENERIC11 = 27,
VERT_ATTRIB_GENERIC12 = 28,
VERT_ATTRIB_GENERIC13 = 29,
VERT_ATTRIB_GENERIC14 = 30,
VERT_ATTRIB_GENERIC15 = 31,
VERT_ATTRIB_MAX = 32
} gl_vert_attrib;
/**
* Bitflags for vertex attributes.
* These are used in bitfields in many places.
*/
/*@{*/
#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
#define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
#define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
#define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
#define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
#define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
#define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
#define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
#define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
#define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
#define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
#define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
#define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
#define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
#define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
#define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
#define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
#define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
#define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
#define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
/*@}*/
/**
* Indexes for vertex program result attributes
*/
typedef enum
{
VERT_RESULT_HPOS = 0,
VERT_RESULT_COL0 = 1,
VERT_RESULT_COL1 = 2,
VERT_RESULT_FOGC = 3,
VERT_RESULT_TEX0 = 4,
VERT_RESULT_TEX1 = 5,
VERT_RESULT_TEX2 = 6,
VERT_RESULT_TEX3 = 7,
VERT_RESULT_TEX4 = 8,
VERT_RESULT_TEX5 = 9,
VERT_RESULT_TEX6 = 10,
VERT_RESULT_TEX7 = 11,
VERT_RESULT_PSIZ = 12,
VERT_RESULT_BFC0 = 13,
VERT_RESULT_BFC1 = 14,
VERT_RESULT_EDGE = 15,
VERT_RESULT_VAR0 = 16, /**< shader varying */
VERT_RESULT_MAX = (VERT_RESULT_VAR0 + MAX_VARYING)
} gl_vert_result;
/**
* Indexes for fragment program input attributes.
*/
typedef enum
{
FRAG_ATTRIB_WPOS = 0,
FRAG_ATTRIB_COL0 = 1,
FRAG_ATTRIB_COL1 = 2,
FRAG_ATTRIB_FOGC = 3,
FRAG_ATTRIB_TEX0 = 4,
FRAG_ATTRIB_TEX1 = 5,
FRAG_ATTRIB_TEX2 = 6,
FRAG_ATTRIB_TEX3 = 7,
FRAG_ATTRIB_TEX4 = 8,
FRAG_ATTRIB_TEX5 = 9,
FRAG_ATTRIB_TEX6 = 10,
FRAG_ATTRIB_TEX7 = 11,
FRAG_ATTRIB_FACE = 12, /**< front/back face */
FRAG_ATTRIB_PNTC = 13, /**< sprite/point coord */
FRAG_ATTRIB_VAR0 = 14, /**< shader varying */
FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING)
} gl_frag_attrib;
/**
* Bitflags for fragment program input attributes.
*/
/*@{*/
#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
#define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE)
#define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC)
#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
#define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
#define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
#define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
#define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
FRAG_BIT_TEX1| \
FRAG_BIT_TEX2| \
FRAG_BIT_TEX3| \
FRAG_BIT_TEX4| \
FRAG_BIT_TEX5| \
FRAG_BIT_TEX6| \
FRAG_BIT_TEX7)
/*@}*/
/**
* Fragment program results
*/
typedef enum
{
FRAG_RESULT_DEPTH = 0,
FRAG_RESULT_COLOR = 1,
FRAG_RESULT_DATA0 = 2,
FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
} gl_frag_result;
#endif
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