/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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, sub license, 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 (including the
 * next paragraph) 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 PIPE_DEFINES_H
#define PIPE_DEFINES_H

#define PIPE_BLENDFACTOR_ONE                 0x1
#define PIPE_BLENDFACTOR_SRC_COLOR           0x2
#define PIPE_BLENDFACTOR_SRC_ALPHA           0x3
#define PIPE_BLENDFACTOR_DST_ALPHA           0x4
#define PIPE_BLENDFACTOR_DST_COLOR           0x5
#define PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE  0x6
#define PIPE_BLENDFACTOR_CONST_COLOR         0x7
#define PIPE_BLENDFACTOR_CONST_ALPHA         0x8
#define PIPE_BLENDFACTOR_SRC1_COLOR          0x9
#define PIPE_BLENDFACTOR_SRC1_ALPHA          0x0A
#define PIPE_BLENDFACTOR_ZERO                0x11
#define PIPE_BLENDFACTOR_INV_SRC_COLOR       0x12
#define PIPE_BLENDFACTOR_INV_SRC_ALPHA       0x13
#define PIPE_BLENDFACTOR_INV_DST_ALPHA       0x14
#define PIPE_BLENDFACTOR_INV_DST_COLOR       0x15
#define PIPE_BLENDFACTOR_INV_CONST_COLOR     0x17
#define PIPE_BLENDFACTOR_INV_CONST_ALPHA     0x18
#define PIPE_BLENDFACTOR_INV_SRC1_COLOR      0x19
#define PIPE_BLENDFACTOR_INV_SRC1_ALPHA      0x1A

#define PIPE_BLEND_ADD               0
#define PIPE_BLEND_SUBTRACT          1
#define PIPE_BLEND_REVERSE_SUBTRACT  2
#define PIPE_BLEND_MIN               3
#define PIPE_BLEND_MAX               4

#define PIPE_LOGICOP_CLEAR            0
#define PIPE_LOGICOP_NOR              1
#define PIPE_LOGICOP_AND_INVERTED     2
#define PIPE_LOGICOP_COPY_INVERTED    3
#define PIPE_LOGICOP_AND_REVERSE      4
#define PIPE_LOGICOP_INVERT           5
#define PIPE_LOGICOP_XOR              6
#define PIPE_LOGICOP_NAND             7
#define PIPE_LOGICOP_AND              8
#define PIPE_LOGICOP_EQUIV            9
#define PIPE_LOGICOP_NOOP             10
#define PIPE_LOGICOP_OR_INVERTED      11
#define PIPE_LOGICOP_COPY             12
#define PIPE_LOGICOP_OR_REVERSE       13
#define PIPE_LOGICOP_OR               14
#define PIPE_LOGICOP_SET              15  

/**
 * Inequality functions.  Used for depth test, stencil compare, alpha
 * test, shadow compare, etc.
 */
#define PIPE_FUNC_NEVER    0
#define PIPE_FUNC_LESS     1
#define PIPE_FUNC_EQUAL    2
#define PIPE_FUNC_LEQUAL   3
#define PIPE_FUNC_GREATER  4
#define PIPE_FUNC_NOTEQUAL 5
#define PIPE_FUNC_GEQUAL   6
#define PIPE_FUNC_ALWAYS   7

/** Polygon fill mode */
#define PIPE_POLYGON_MODE_FILL  0
#define PIPE_POLYGON_MODE_LINE  1
#define PIPE_POLYGON_MODE_POINT 2

/** Polygon front/back window, also for culling */
#define PIPE_WINDING_NONE 0
#define PIPE_WINDING_CW   1
#define PIPE_WINDING_CCW  2
#define PIPE_WINDING_BOTH (PIPE_WINDING_CW | PIPE_WINDING_CCW)

/** Stencil ops */
#define PIPE_STENCIL_OP_KEEP       0
#define PIPE_STENCIL_OP_ZERO       1
#define PIPE_STENCIL_OP_REPLACE    2
#define PIPE_STENCIL_OP_INCR       3
#define PIPE_STENCIL_OP_DECR       4
#define PIPE_STENCIL_OP_INCR_WRAP  5
#define PIPE_STENCIL_OP_DECR_WRAP  6
#define PIPE_STENCIL_OP_INVERT     7

#define PIPE_TEX_WRAP_REPEAT                   0
#define PIPE_TEX_WRAP_CLAMP                    1
#define PIPE_TEX_WRAP_CLAMP_TO_EDGE            2
#define PIPE_TEX_WRAP_CLAMP_TO_BORDER          3
#define PIPE_TEX_WRAP_MIRROR_REPEAT            4
#define PIPE_TEX_WRAP_MIRROR_CLAMP             5
#define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE     6
#define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER   7

#define PIPE_TEX_FILTER_NEAREST                0
#define PIPE_TEX_FILTER_LINEAR                 1
#define PIPE_TEX_FILTER_NEAREST_MIPMAP_NEAREST 2
#define PIPE_TEX_FILTER_NEAREST_MIPMAP_LINEAR  3
#define PIPE_TEX_FILTER_LINEAR_MIPMAP_NEAREST  4
#define PIPE_TEX_FILTER_LINEAR_MIPMAP_LINEAR   5

#define PIPE_TEX_COMPARE_NONE          0
#define PIPE_TEX_COMPARE_R_TO_TEXTURE  1

/**
 * Texture/surface image formats (preliminary)
 */
#define PIPE_FORMAT_U_R8_G8_B8_A8   0  /**< ubyte[4] RGBA */
#define PIPE_FORMAT_U_A8_R8_G8_B8   1  /**< ubyte[4] ARGB */
#define PIPE_FORMAT_U_R5_G6_B5      2  /**< 5/6/5 RGB */
#define PIPE_FORMAT_U_L8            3  /**< ubyte luminance */
#define PIPE_FORMAT_U_A8            4  /**< ubyte alpha */
#define PIPE_FORMAT_U_I8            5  /**< ubyte intensity */
#define PIPE_FORMAT_U_L8_A8         6  /**< ubyte luminance, alpha */
#define PIPE_FORMAT_U_Z16           7  /**< ushort Z/depth */
#define PIPE_FORMAT_F_Z32           8  /**< float Z/depth */
#define PIPE_FORMAT_YCBCR           9
#define PIPE_FORMAT_YCBCR_REV      10
#define PIPE_FORMAT_S8             11  /**< 8-bit stencil */
#define PIPE_FORMAT_Z24_S8         12  /**< 24-bit Z + 8-bit stencil */


/**
 * Texture typess
 */
#define PIPE_TEXTURE_1D   0
#define PIPE_TEXTURE_2D   1
#define PIPE_TEXTURE_3D   2
#define PIPE_TEXTURE_CUBE 3

/**
 * Buffer mapping access modes
 */
#define PIPE_MAP_READ         1
#define PIPE_MAP_WRITE        2
#define PIPE_MAP_READ_WRITE   3

#endif