src/mesa/state_tracker/st_atom.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28  /*
  29   * Authors:
  30   *   Keith Whitwell <keithw@vmware.com>
  31   */
  32
  33
  34 #ifndef ST_ATOM_H
  35 #define ST_ATOM_H
  36
  37 #include "main/glheader.h"
  38
  39 struct st_context;
  40
  41 /**
  42  * Enumeration of state tracker pipelines.
  43  */
  44 enum st_pipeline {
  45    ST_PIPELINE_RENDER,
  46    ST_PIPELINE_CLEAR,
  47    ST_PIPELINE_UPDATE_FRAMEBUFFER,
  48    ST_PIPELINE_COMPUTE,
  49 };
  50
  51 void st_init_atoms( struct st_context *st );
  52 void st_destroy_atoms( struct st_context *st );
  53 void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
  54 GLuint st_compare_func_to_pipe(GLenum func);
  55
  56 enum pipe_format
  57 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
  58                       GLboolean normalized, GLboolean integer);
  59
  60
  61 /* Define ST_NEW_xxx_INDEX */
  62 enum {
  63 #define ST_STATE(FLAG, st_update) FLAG##_INDEX,
  64 #include "st_atom_list.h"
  65 #undef ST_STATE
  66 };
  67
  68 /* Define ST_NEW_xxx values as static const uint64_t values.
  69  * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
  70  */
  71 #define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1ull << FLAG##_INDEX;
  72 #include "st_atom_list.h"
  73 #undef ST_STATE
  74
  75 /* Declare function prototypes. */
  76 #define ST_STATE(FLAG, st_update) void st_update(struct st_context *st);
  77 #include "st_atom_list.h"
  78 #undef ST_STATE
  79
  80 /* Combined state flags. */
  81 #define ST_NEW_SAMPLERS         (ST_NEW_VS_SAMPLERS | \
  82                                  ST_NEW_TCS_SAMPLERS | \
  83                                  ST_NEW_TES_SAMPLERS | \
  84                                  ST_NEW_GS_SAMPLERS | \
  85                                  ST_NEW_FS_SAMPLERS | \
  86                                  ST_NEW_CS_SAMPLERS)
  87
  88 #define ST_NEW_FRAMEBUFFER      (ST_NEW_FB_STATE | \
  89                                  ST_NEW_SAMPLE_MASK | \
  90                                  ST_NEW_SAMPLE_SHADING)
  91
  92 #define ST_NEW_VERTEX_PROGRAM(st, p) (p->affected_states | \
  93                                       (st_user_clip_planes_enabled(st->ctx) ? \
  94                                        ST_NEW_CLIP_STATE : 0))
  95
  96 #define ST_NEW_CONSTANTS        (ST_NEW_VS_CONSTANTS | \
  97                                  ST_NEW_TCS_CONSTANTS | \
  98                                  ST_NEW_TES_CONSTANTS | \
  99                                  ST_NEW_FS_CONSTANTS | \
 100                                  ST_NEW_GS_CONSTANTS | \
 101                                  ST_NEW_CS_CONSTANTS)
 102
 103 #define ST_NEW_UNIFORM_BUFFER   (ST_NEW_VS_UBOS | \
 104                                  ST_NEW_TCS_UBOS | \
 105                                  ST_NEW_TES_UBOS | \
 106                                  ST_NEW_FS_UBOS | \
 107                                  ST_NEW_GS_UBOS | \
 108                                  ST_NEW_CS_UBOS)
 109
 110 #define ST_NEW_SAMPLER_VIEWS    (ST_NEW_VS_SAMPLER_VIEWS | \
 111                                  ST_NEW_FS_SAMPLER_VIEWS | \
 112                                  ST_NEW_GS_SAMPLER_VIEWS | \
 113                                  ST_NEW_TCS_SAMPLER_VIEWS | \
 114                                  ST_NEW_TES_SAMPLER_VIEWS | \
 115                                  ST_NEW_CS_SAMPLER_VIEWS)
 116
 117 #define ST_NEW_ATOMIC_BUFFER    (ST_NEW_VS_ATOMICS | \
 118                                  ST_NEW_TCS_ATOMICS | \
 119                                  ST_NEW_TES_ATOMICS | \
 120                                  ST_NEW_FS_ATOMICS | \
 121                                  ST_NEW_GS_ATOMICS | \
 122                                  ST_NEW_CS_ATOMICS)
 123
 124 #define ST_NEW_STORAGE_BUFFER   (ST_NEW_VS_SSBOS | \
 125                                  ST_NEW_TCS_SSBOS | \
 126                                  ST_NEW_TES_SSBOS | \
 127                                  ST_NEW_FS_SSBOS | \
 128                                  ST_NEW_GS_SSBOS | \
 129                                  ST_NEW_CS_SSBOS)
 130
 131 #define ST_NEW_IMAGE_UNITS      (ST_NEW_VS_IMAGES | \
 132                                  ST_NEW_TCS_IMAGES | \
 133                                  ST_NEW_TES_IMAGES | \
 134                                  ST_NEW_GS_IMAGES | \
 135                                  ST_NEW_FS_IMAGES | \
 136                                  ST_NEW_CS_IMAGES)
 137
 138 #define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
 139                                  ST_NEW_SAMPLERS | \
 140                                  ST_NEW_CONSTANTS | \
 141                                  ST_NEW_UNIFORM_BUFFER | \
 142                                  ST_NEW_ATOMIC_BUFFER | \
 143                                  ST_NEW_STORAGE_BUFFER | \
 144                                  ST_NEW_IMAGE_UNITS)
 145
 146 /* All state flags within each group: */
 147 #define ST_PIPELINE_RENDER_STATE_MASK  (ST_NEW_CS_STATE - 1)
 148 #define ST_PIPELINE_COMPUTE_STATE_MASK (0xffull << ST_NEW_CS_STATE_INDEX)
 149 #define ST_PIPELINE_CLEAR_STATE_MASK (ST_NEW_FB_STATE | \
 150                                       ST_NEW_SCISSOR | \
 151                                       ST_NEW_WINDOW_RECTANGLES)
 152 /* For ReadPixels, ReadBuffer, GetSamplePosition: */
 153 #define ST_PIPELINE_UPDATE_FB_STATE_MASK (ST_NEW_FB_STATE)
 154
 155 #define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
 156                             ST_PIPELINE_COMPUTE_STATE_MASK)
 157
 158 #endif