p_state.h revision 5531c986bd34457e113163a68ff4ab98394738f0
18e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell/**************************************************************************
28e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell *
38e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
48e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * All Rights Reserved.
58e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell *
68e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * Permission is hereby granted, free of charge, to any person obtaining a
78e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * copy of this software and associated documentation files (the
88e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * "Software"), to deal in the Software without restriction, including
98e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * without limitation the rights to use, copy, modify, merge, publish,
108e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * distribute, sub license, and/or sell copies of the Software, and to
118e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * permit persons to whom the Software is furnished to do so, subject to
128e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * the following conditions:
138e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell *
148e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * The above copyright notice and this permission notice (including the
158e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * next paragraph) shall be included in all copies or substantial portions
168e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * of the Software.
178e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell *
188e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
198e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
208e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
218e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
228e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
238e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
248e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
258e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell *
268e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell **************************************************************************/
278e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
28f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian
29f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian/**
30f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian * Abstract graphics pipe state objects.
31f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian *
32f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian * Basic notes:
33f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian *   1. Want compact representations, so we use bitfields.
34f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian *   2. Put bitfields before other (GLfloat) fields.
35f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian */
36f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian
37f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian
38943964a1e5bad86bdceb0a06d60fb3b302ebce6aKeith Whitwell#ifndef PIPE_STATE_H
39943964a1e5bad86bdceb0a06d60fb3b302ebce6aKeith Whitwell#define PIPE_STATE_H
408e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
4140a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell#include "p_compiler.h"
421c5f27a18b775b3784fcd265d60e0affa0b31581Michel Dänzer#include "p_defines.h"
4354fc80ab31f89520d3119196bfa9c6332b35fe2fBrian#include "p_format.h"
4413682d959ddacde1ce65843aa8c5b43dc9017b32Brian
45e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca
46e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca#ifdef __cplusplus
47e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonsecaextern "C" {
48e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca#endif
49e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca
50e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca
5113682d959ddacde1ce65843aa8c5b43dc9017b32Brian/**
5213682d959ddacde1ce65843aa8c5b43dc9017b32Brian * Implementation limits
5313682d959ddacde1ce65843aa8c5b43dc9017b32Brian */
54da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_ATTRIBS          32
55da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_CLIP_PLANES       6
56da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_COLOR_BUFS        8
57da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_CONSTANT         32
58da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_SAMPLERS         16
59da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_SHADER_INPUTS    16
60da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_SHADER_OUTPUTS   16
61da8934034b33adef5dc41395cfde4bdd26ba207cBrian#define PIPE_MAX_TEXTURE_LEVELS   16
6213682d959ddacde1ce65843aa8c5b43dc9017b32Brian
6313682d959ddacde1ce65843aa8c5b43dc9017b32Brian
6450eb29ed9492a34db4ba53f1f28a2868b808955aBrian/* fwd decls */
65aa59a937ccf41609081d3f9a4973df5478979785Brianstruct pipe_screen;
66e62cf5c69ab605b78324639f5455ac9921e68dbaBrianstruct pipe_surface;
6750eb29ed9492a34db4ba53f1f28a2868b808955aBrianstruct pipe_winsys;
68e62cf5c69ab605b78324639f5455ac9921e68dbaBrian
691e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell
701e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell
711e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell/**
721e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell * The driver will certainly subclass this to include actual memory
731e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell * management information.
741e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell */
75d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_buffer
76d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
771e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   unsigned alignment;
781e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   unsigned usage;
791e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   unsigned size;
801e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell
811e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   /** Reference count */
821e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   unsigned refcount;
831e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell};
841e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell
85bec2230514ad2e8e52625ecb339fcadfabffd4dfBrian
86f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian/**
87294401814d1d89cc731de1c22c25333aa5d59374Zack Rusin * Primitive (point/line/tri) rasterization info
88f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian */
89294401814d1d89cc731de1c22c25333aa5d59374Zack Rusinstruct pipe_rasterizer_state
90f79c225d9e5adee6287a9bba35f014c3fe00d3f9Brian{
9140a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned flatshade:1;
9240a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned light_twoside:1;
9340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned front_winding:2;  /**< PIPE_WINDING_x */
9440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned cull_mode:2;      /**< PIPE_WINDING_x */
9540a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned fill_cw:2;        /**< PIPE_POLYGON_MODE_x */
9640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned fill_ccw:2;       /**< PIPE_POLYGON_MODE_x */
9740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned offset_cw:1;
9840a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned offset_ccw:1;
9940a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned scissor:1;
10040a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned poly_smooth:1;
10140a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned poly_stipple_enable:1;
10240a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned point_smooth:1;
103cd4d732773e06e462e78b8f5bc9f3f1552a198acBrian   unsigned point_sprite:1;
104beefc6011bce9e99cb46430186de1c13f027cb05Brian   unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
10540a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned multisample:1;         /* XXX maybe more ms state in future */
10640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned line_smooth:1;
10740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned line_stipple_enable:1;
10840a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned line_stipple_factor:8;  /**< [1..256] actually */
10940a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned line_stipple_pattern:16;
11099691f38c278f1d4aeb0617b149109644e3571fbKeith Whitwell   unsigned line_last_pixel:1;
111f361edae5d495254f4bc27473bf24b1ac7d5af06Brian   unsigned bypass_clipping:1;
11223b03c536daa47b53e585fa98476bad96eb73529Brian   unsigned bypass_vs:1; /**< Skip the vertex shader.  Note that the shader is
11323b03c536daa47b53e585fa98476bad96eb73529Brian                            still needed though, to indicate inputs/outputs */
114017f862de1f857bca29f09794539aaf411014f13Brian   unsigned origin_lower_left:1;  /**< Is (0,0) the lower-left corner? */
115dc9757e1a8a0451a198d329880558b805adff42aMichal Krol   unsigned flatshade_first:1;   /**< take color attribute from the first vertex of a primitive */
1168e33194837dd206d920889851d9cf22190100c99Keith Whitwell   unsigned gl_rasterization_rules:1; /**< enable tweaks for GL rasterization?  */
11740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell
11840a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float line_width;
11940a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float point_size;           /**< used when no per-vertex size */
120bc739440c29c551fcc44e9e12d0d9c170d8d24fbKeith Whitwell   float point_size_min;        /* XXX - temporary, will go away */
121bc739440c29c551fcc44e9e12d0d9c170d8d24fbKeith Whitwell   float point_size_max;        /* XXX - temporary, will go away */
12240a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float offset_units;
12340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float offset_scale;
1241b4852345954af9b582b03a91a3d8399b8fb0e92Brian   ubyte sprite_coord_mode[PIPE_MAX_SHADER_OUTPUTS]; /**< PIPE_SPRITE_COORD_ */
1258e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1268e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
12763a51aee86f76ae54fb1ce572d584fb0f01aaec5Brian
128d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_poly_stipple
129d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
13040a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned stipple[32];
1318e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1328e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
1338e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
134d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_viewport_state
135d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
13640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float scale[4];
13740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float translate[4];
1388e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1398e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
14050eb29ed9492a34db4ba53f1f28a2868b808955aBrian
141d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_scissor_state
142d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
14340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned minx:16;
14440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned miny:16;
14540a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned maxx:16;
14640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned maxy:16;
1478e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1488e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
14950eb29ed9492a34db4ba53f1f28a2868b808955aBrian
150d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_clip_state
151d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
15240a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float ucp[PIPE_MAX_CLIP_PLANES][4];
15340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned nr;
1548e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1558e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
1564824c342c864e870251a7d343c95e51274e50d23Keith Whitwell
157c0bb4ba9e665e40a325d82aa2ee48d7b8abd603bBrian/**
158c0bb4ba9e665e40a325d82aa2ee48d7b8abd603bBrian * Constants for vertex/fragment shaders
159c0bb4ba9e665e40a325d82aa2ee48d7b8abd603bBrian */
160d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_constant_buffer
161d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
1621e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   struct pipe_buffer *buffer;
16399691f38c278f1d4aeb0617b149109644e3571fbKeith Whitwell   unsigned size;    /** in bytes (XXX: redundant!) */
1648e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
1658e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
1668e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
167d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_shader_state
168d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
16943d7c1fe9d2544b851afa2f1c1e245a63860e670Brian   const struct tgsi_token *tokens;
17043d7c1fe9d2544b851afa2f1c1e245a63860e670Brian};
17143d7c1fe9d2544b851afa2f1c1e245a63860e670Brian
17250eb29ed9492a34db4ba53f1f28a2868b808955aBrian
173ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonsecastruct pipe_depth_state {
174ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned enabled:1;         /**< depth test enabled? */
175ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned writemask:1;       /**< allow depth buffer writes? */
176ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned func:3;            /**< depth test func (PIPE_FUNC_x) */
177ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned occlusion_count:1; /**< do occlusion counting? */
178ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca};
179ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
180ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
181ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonsecastruct pipe_stencil_state {
182ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned enabled:1;  /**< stencil[0]: stencil enabled, stencil[1]: two-side enabled */
183ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned func:3;     /**< PIPE_FUNC_x */
184ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned fail_op:3;  /**< PIPE_STENCIL_OP_x */
185ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned zpass_op:3; /**< PIPE_STENCIL_OP_x */
186ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned zfail_op:3; /**< PIPE_STENCIL_OP_x */
187ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   ubyte ref_value;
188ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   ubyte value_mask;
189ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   ubyte write_mask;
190ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca};
191ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
192ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
193ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonsecastruct pipe_alpha_state {
194ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned enabled:1;
195ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   unsigned func:3;     /**< PIPE_FUNC_x */
196ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   float ref;           /**< reference value */
197ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca};
198ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
199ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca
200bfe79babf99e6b9435195178d1ea64687c60d161Keith Whitwellstruct pipe_depth_stencil_alpha_state
2018f2888758129b0a40d71fa4ce10d606b4bcf7631Brian{
202ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   struct pipe_depth_state depth;
203ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   struct pipe_stencil_state stencil[2]; /**< [0] = front, [1] = back */
204ca826d79a64d46e7f3bffff22640f148c044cdadJosé Fonseca   struct pipe_alpha_state alpha;
205493f7b5f3ae2eb64eaa65e24e79a7a071c359b81Brian};
2068f2888758129b0a40d71fa4ce10d606b4bcf7631Brian
207bfe79babf99e6b9435195178d1ea64687c60d161Keith Whitwell
208d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_blend_state
209d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
21040a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned blend_enable:1;
2118e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
21240a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned rgb_func:3;          /**< PIPE_BLEND_x */
21340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned rgb_src_factor:5;    /**< PIPE_BLENDFACTOR_x */
21440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned rgb_dst_factor:5;    /**< PIPE_BLENDFACTOR_x */
2158e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
21640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned alpha_func:3;        /**< PIPE_BLEND_x */
21740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned alpha_src_factor:5;  /**< PIPE_BLENDFACTOR_x */
21840a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned alpha_dst_factor:5;  /**< PIPE_BLENDFACTOR_x */
2198e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
22040a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned logicop_enable:1;
22140a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned logicop_func:4;      /**< PIPE_LOGICOP_x */
22286352ff70d8c9a31fe0ebb4d02ce4bb4644fe54aBrian
22340a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned colormask:4;         /**< bitmask of PIPE_MASK_R/G/B/A */
22440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned dither:1;
2258e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
2268e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
22750eb29ed9492a34db4ba53f1f28a2868b808955aBrian
228d4d2e36a429fd015316c484fc40be7e6d2c69946Brianstruct pipe_blend_color
229d4d2e36a429fd015316c484fc40be7e6d2c69946Brian{
23040a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float color[4];
2318e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell};
2328e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell
23350eb29ed9492a34db4ba53f1f28a2868b808955aBrian
2348f6b6eed35832733674372dea7bd5ce69a965c4eBrianstruct pipe_framebuffer_state
2358f6b6eed35832733674372dea7bd5ce69a965c4eBrian{
23680567f9c9f84d9df1cdb2d91a3c0814888cc5d08Brian   unsigned width, height;
23780567f9c9f84d9df1cdb2d91a3c0814888cc5d08Brian
238f0f9a22609ccf2b8edc5760480f1a7a78cb504d7Brian   /** multiple colorbuffers for multiple render targets */
23940a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned num_cbufs;
240f0f9a22609ccf2b8edc5760480f1a7a78cb504d7Brian   struct pipe_surface *cbufs[PIPE_MAX_COLOR_BUFS];
241f0f9a22609ccf2b8edc5760480f1a7a78cb504d7Brian
2428de2331e432e2ea6f978acb6c80666da99c6c4a1Brian   struct pipe_surface *zsbuf;      /**< Z/stencil buffer */
2438f6b6eed35832733674372dea7bd5ce69a965c4eBrian};
2448f6b6eed35832733674372dea7bd5ce69a965c4eBrian
2458f6b6eed35832733674372dea7bd5ce69a965c4eBrian
24602a47549ad182d28d330063d4f452108e3a4b452Brian/**
24702a47549ad182d28d330063d4f452108e3a4b452Brian * Texture sampler state.
24802a47549ad182d28d330063d4f452108e3a4b452Brian */
249943964a1e5bad86bdceb0a06d60fb3b302ebce6aKeith Whitwellstruct pipe_sampler_state
25002a47549ad182d28d330063d4f452108e3a4b452Brian{
251d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned wrap_s:3;            /**< PIPE_TEX_WRAP_x */
252d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned wrap_t:3;            /**< PIPE_TEX_WRAP_x */
253d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned wrap_r:3;            /**< PIPE_TEX_WRAP_x */
25440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned min_img_filter:2;    /**< PIPE_TEX_FILTER_x */
25540a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned min_mip_filter:2;    /**< PIPE_TEX_MIPFILTER_x */
25640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned mag_img_filter:2;    /**< PIPE_TEX_FILTER_x */
257d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned compare_mode:1;      /**< PIPE_TEX_COMPARE_x */
258d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned compare_func:3;      /**< PIPE_FUNC_x */
259d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned normalized_coords:1; /**< Are coords normalized to [0,1]? */
26099691f38c278f1d4aeb0617b149109644e3571fbKeith Whitwell   unsigned prefilter:4;         /**< Wierd sampling state exposed by some api's */
261d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   float shadow_ambient;         /**< shadow test fail color/intensity */
262d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   float lod_bias;               /**< LOD/lambda bias */
263d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   float min_lod, max_lod;       /**< LOD clamp range, after bias */
264d45dd5672ae60f1f49648725974693bf4ebf4bf8Brian   float border_color[4];
26540a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   float max_anisotropy;
26602a47549ad182d28d330063d4f452108e3a4b452Brian};
26702a47549ad182d28d330063d4f452108e3a4b452Brian
2685d69aeb0028f44d06093faede5c545908b0df89aBrian
26920adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian/**
270b859cdf6f191b4d8b56537c8dc30082a7e2d94b3Michel Dänzer * 2D surface.  This is basically a view into a memory buffer.
27120adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian * May be a renderbuffer, texture mipmap level, etc.
27220adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian */
27320adf45c23dd9ec86a1439ad87c1473395bbb1a7Brianstruct pipe_surface
27420adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian{
275d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   struct pipe_buffer *buffer;   /**< surface's buffer/memory */
27654fc80ab31f89520d3119196bfa9c6332b35fe2fBrian   enum pipe_format format;      /**< PIPE_FORMAT_x */
277dd5a8d234b95c6f85d0a6ecb18db8aadefb71dbdBrian   unsigned status;              /**< PIPE_SURFACE_STATUS_x */
278d4d2e36a429fd015316c484fc40be7e6d2c69946Brian   unsigned clear_value;         /**< XXX may be temporary */
2795531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned width;               /**< logical width in pixels */
2805531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned height;              /**< logical height in pixels */
2814ddd65967915ca4846f2831bc676c878a29dae4aJosé Fonseca   struct pipe_format_block block;
2825531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned nblocksx;            /**< allocated width in blocks */
2835531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned nblocksy;            /**< allocated height in blocks */
2845531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned stride;              /**< stride in bytes between rows of blocks */
2858e6a3807981bb96bb6747683dbc9f92ae7117dd2Keith Whitwell   unsigned layout;              /**< PIPE_SURFACE_LAYOUT_x */
286b859cdf6f191b4d8b56537c8dc30082a7e2d94b3Michel Dänzer   unsigned offset;              /**< offset from start of buffer, in bytes */
28740a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned refcount;
288429a08384c2ea66d446e46beb28e33ee3b764d52Roland Scheidegger   unsigned usage;               /**< PIPE_BUFFER_USAGE_*  */
289c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell
2907d1a04e499564212a2a9aace12b05f424a357d3fBrian   struct pipe_winsys *winsys;   /**< winsys which owns/created the surface */
291c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell
292c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell   struct pipe_texture *texture; /**< optional texture into which this is a view  */
293b59f9c95c1f7aca60c5d6889d4dc388d19fbc3e1Keith Whitwell   unsigned face;
294b59f9c95c1f7aca60c5d6889d4dc388d19fbc3e1Keith Whitwell   unsigned level;
295b59f9c95c1f7aca60c5d6889d4dc388d19fbc3e1Keith Whitwell   unsigned zslice;
29620adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian};
29720adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian
29820adf45c23dd9ec86a1439ad87c1473395bbb1a7Brian
2995d69aeb0028f44d06093faede5c545908b0df89aBrian/**
300d8bf051c8b4a1ebe44895413a109d4ab898f7579Brian * Texture object.
301d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian */
302753db0d8407147393a7b0622ae3fa28f68d0353dMichel Dänzerstruct pipe_texture
303753db0d8407147393a7b0622ae3fa28f68d0353dMichel Dänzer{
3041c5f27a18b775b3784fcd265d60e0affa0b31581Michel Dänzer   enum pipe_texture_target target; /**< PIPE_TEXTURE_x */
3051c5f27a18b775b3784fcd265d60e0affa0b31581Michel Dänzer   enum pipe_format format;         /**< PIPE_FORMAT_x */
30688723b2fc84628c1bc1e0008b88602b85e8668beMichel Dänzer
307753db0d8407147393a7b0622ae3fa28f68d0353dMichel Dänzer   unsigned width[PIPE_MAX_TEXTURE_LEVELS];
308753db0d8407147393a7b0622ae3fa28f68d0353dMichel Dänzer   unsigned height[PIPE_MAX_TEXTURE_LEVELS];
309753db0d8407147393a7b0622ae3fa28f68d0353dMichel Dänzer   unsigned depth[PIPE_MAX_TEXTURE_LEVELS];
310d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian
3114ddd65967915ca4846f2831bc676c878a29dae4aJosé Fonseca   struct pipe_format_block block;
3125531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned nblocksx[PIPE_MAX_TEXTURE_LEVELS]; /**< allocated width in blocks */
3135531c986bd34457e113163a68ff4ab98394738f0Brian Paul   unsigned nblocksy[PIPE_MAX_TEXTURE_LEVELS]; /**< allocated height in blocks */
3144ddd65967915ca4846f2831bc676c878a29dae4aJosé Fonseca
31518e94e15c0ca881309ac5784075a04160cc1eeb6Keith Whitwell   unsigned last_level:8;    /**< Index of last mipmap level present/defined */
31640a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned compressed:1;
317429a08384c2ea66d446e46beb28e33ee3b764d52Roland Scheidegger
318429a08384c2ea66d446e46beb28e33ee3b764d52Roland Scheidegger   unsigned nr_samples:8;          /**< for multisampled surfaces, nr of samples */
319429a08384c2ea66d446e46beb28e33ee3b764d52Roland Scheidegger
320a73ae3d5eb8419feab5aea26573aa41b72f941ebKeith Whitwell   unsigned tex_usage;          /* PIPE_TEXTURE_USAGE_* */
321d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian
322d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian   /* These are also refcounted:
323d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian    */
32440a86b20478024ca7c55400019c536cb5ff631d1Keith Whitwell   unsigned refcount;
3254da19dbcaa9f3e2d20fffd0145bf0bc756dd7542Brian
326d8bf051c8b4a1ebe44895413a109d4ab898f7579Brian   struct pipe_screen *screen; /**< screen that this texture belongs to */
327d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian};
328d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian
329d9605cdf7cbbd3c81c506d01eb8e88a11ccfc09bBrian
3306e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian/**
3316e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian * A vertex buffer.  Typically, all the vertex data/attributes for
3326e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian * drawing something will be in one buffer.  But it's also possible, for
3336e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian * example, to put colors in one buffer and texcoords in another.
3346e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian */
3358269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwellstruct pipe_vertex_buffer
3368269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell{
33718e94e15c0ca881309ac5784075a04160cc1eeb6Keith Whitwell   unsigned pitch;    /**< stride to same attrib in next vertex, in bytes */
3386e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian   unsigned max_index;   /**< number of vertices in this buffer */
3396e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian   unsigned buffer_offset;  /**< offset to start of data in buffer, in bytes */
3401e0d30a515e4cac891b6c590f12a33e0e8a8e295Keith Whitwell   struct pipe_buffer *buffer;  /**< the actual buffer */
3418269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell};
3428269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell
3438269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell
3446e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian/**
3456e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian * Information to describe a vertex attribute (position, color, etc)
3466e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian */
3478269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwellstruct pipe_vertex_element
3488269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell{
3496e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian   /** Offset of this attribute, in bytes, from the start of the vertex */
35018e94e15c0ca881309ac5784075a04160cc1eeb6Keith Whitwell   unsigned src_offset;
3516e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian
3526e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian   /** Which vertex_buffer (as given to pipe->set_vertex_buffer()) does
3536e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian    * this attribute live in?
3546e02b4c7c3c6efc05ead2ffd46b0928f7c9316bfBrian    */
35518e94e15c0ca881309ac5784075a04160cc1eeb6Keith Whitwell   unsigned vertex_buffer_index:8;
35618e94e15c0ca881309ac5784075a04160cc1eeb6Keith Whitwell   unsigned nr_components:8;
357c31416971e4eac148f8e82d6c4392bd6f9cbc05dKeith Whitwell
35854fc80ab31f89520d3119196bfa9c6332b35fe2fBrian   enum pipe_format src_format; 	   /**< PIPE_FORMAT_* */
3598269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell};
3608269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell
3618269bc48d8fafaa432b58f4adf5e0dddd81d979dKeith Whitwell
362e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca#ifdef __cplusplus
363e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca}
364e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca#endif
365e4e30089231831339815cccebf3a3a0ea6dcd2a9José Fonseca
3668e4a95a93d15a6707a29454cd47e10b08314cda2Keith Whitwell#endif
367