src/mesa/state_tracker/st_atom_atomicbuf.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2014 Ilia Mirkin. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  **************************************************************************/
  26
  27 #include "main/imports.h"
  28 #include "program/prog_parameter.h"
  29 #include "program/prog_print.h"
  30 #include "compiler/glsl/ir_uniform.h"
  31
  32 #include "pipe/p_context.h"
  33 #include "pipe/p_defines.h"
  34 #include "util/u_inlines.h"
  35 #include "util/u_surface.h"
  36
  37 #include "st_debug.h"
  38 #include "st_cb_bufferobjects.h"
  39 #include "st_context.h"
  40 #include "st_atom.h"
  41 #include "st_program.h"
  42
  43 static void
  44 st_bind_atomics(struct st_context *st,
  45                 struct gl_shader_program *prog,
  46                 unsigned shader_type)
  47 {
  48    unsigned i;
  49
  50    if (!prog || !st->pipe->set_shader_buffers)
  51       return;
  52
  53    for (i = 0; i < prog->NumAtomicBuffers; i++) {
  54       struct gl_active_atomic_buffer *atomic = &prog->AtomicBuffers[i];
  55       struct gl_atomic_buffer_binding *binding =
  56          &st->ctx->AtomicBufferBindings[atomic->Binding];
  57       struct st_buffer_object *st_obj =
  58          st_buffer_object(binding->BufferObject);
  59       struct pipe_shader_buffer sb = { 0 };
  60
  61       if (st_obj && st_obj->buffer) {
  62          sb.buffer = st_obj->buffer;
  63          sb.buffer_offset = binding->Offset;
  64          sb.buffer_size = st_obj->buffer->width0 - binding->Offset;
  65       }
  66
  67       st->pipe->set_shader_buffers(st->pipe, shader_type,
  68                                    atomic->Binding, 1, &sb);
  69    }
  70 }
  71
  72 static void
  73 bind_vs_atomics(struct st_context *st)
  74 {
  75    struct gl_shader_program *prog =
  76       st->ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
  77
  78    st_bind_atomics(st, prog, PIPE_SHADER_VERTEX);
  79 }
  80
  81 const struct st_tracked_state st_bind_vs_atomics = {
  82    {
  83       0,
  84       ST_NEW_VERTEX_PROGRAM | ST_NEW_ATOMIC_BUFFER,
  85    },
  86    bind_vs_atomics
  87 };
  88
  89 static void
  90 bind_fs_atomics(struct st_context *st)
  91 {
  92    struct gl_shader_program *prog =
  93       st->ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT];
  94
  95    st_bind_atomics(st, prog, PIPE_SHADER_FRAGMENT);
  96 }
  97
  98 const struct st_tracked_state st_bind_fs_atomics = {
  99    {
 100       0,
 101       ST_NEW_FRAGMENT_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 102    },
 103    bind_fs_atomics
 104 };
 105
 106 static void
 107 bind_gs_atomics(struct st_context *st)
 108 {
 109    struct gl_shader_program *prog =
 110       st->ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
 111
 112    st_bind_atomics(st, prog, PIPE_SHADER_GEOMETRY);
 113 }
 114
 115 const struct st_tracked_state st_bind_gs_atomics = {
 116    {
 117       0,
 118       ST_NEW_GEOMETRY_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 119    },
 120    bind_gs_atomics
 121 };
 122
 123 static void
 124 bind_tcs_atomics(struct st_context *st)
 125 {
 126    struct gl_shader_program *prog =
 127       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
 128
 129    st_bind_atomics(st, prog, PIPE_SHADER_TESS_CTRL);
 130 }
 131
 132 const struct st_tracked_state st_bind_tcs_atomics = {
 133    {
 134       0,
 135       ST_NEW_TESSCTRL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 136    },
 137    bind_tcs_atomics
 138 };
 139
 140 static void
 141 bind_tes_atomics(struct st_context *st)
 142 {
 143    struct gl_shader_program *prog =
 144       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_EVAL];
 145
 146    st_bind_atomics(st, prog, PIPE_SHADER_TESS_EVAL);
 147 }
 148
 149 const struct st_tracked_state st_bind_tes_atomics = {
 150    {
 151       0,
 152       ST_NEW_TESSEVAL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 153    },
 154    bind_tes_atomics
 155 };
 156
 157 static void
 158 bind_cs_atomics(struct st_context *st)
 159 {
 160    struct gl_shader_program *prog =
 161       st->ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE];
 162
 163    st_bind_atomics(st, prog, PIPE_SHADER_COMPUTE);
 164 }
 165
 166 const struct st_tracked_state st_bind_cs_atomics = {
 167    {
 168       0,
 169       ST_NEW_COMPUTE_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 170    },
 171    bind_cs_atomics
 172 };