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       sb.buffer = st_obj->buffer;
  62       sb.buffer_offset = binding->Offset;
  63       sb.buffer_size = st_obj->buffer->width0 - binding->Offset;
  64
  65       st->pipe->set_shader_buffers(st->pipe, shader_type,
  66                                    atomic->Binding, 1, &sb);
  67    }
  68 }
  69
  70 static void
  71 bind_vs_atomics(struct st_context *st)
  72 {
  73    struct gl_shader_program *prog =
  74       st->ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
  75
  76    st_bind_atomics(st, prog, PIPE_SHADER_VERTEX);
  77 }
  78
  79 const struct st_tracked_state st_bind_vs_atomics = {
  80    "st_bind_vs_atomics",
  81    {
  82       0,
  83       ST_NEW_VERTEX_PROGRAM | ST_NEW_ATOMIC_BUFFER,
  84    },
  85    bind_vs_atomics
  86 };
  87
  88 static void
  89 bind_fs_atomics(struct st_context *st)
  90 {
  91    struct gl_shader_program *prog =
  92       st->ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT];
  93
  94    st_bind_atomics(st, prog, PIPE_SHADER_FRAGMENT);
  95 }
  96
  97 const struct st_tracked_state st_bind_fs_atomics = {
  98    "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    "st_bind_gs_atomics",
 117    {
 118       0,
 119       ST_NEW_GEOMETRY_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 120    },
 121    bind_gs_atomics
 122 };
 123
 124 static void
 125 bind_tcs_atomics(struct st_context *st)
 126 {
 127    struct gl_shader_program *prog =
 128       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
 129
 130    st_bind_atomics(st, prog, PIPE_SHADER_TESS_CTRL);
 131 }
 132
 133 const struct st_tracked_state st_bind_tcs_atomics = {
 134    "st_bind_tcs_atomics",
 135    {
 136       0,
 137       ST_NEW_TESSCTRL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 138    },
 139    bind_tcs_atomics
 140 };
 141
 142 static void
 143 bind_tes_atomics(struct st_context *st)
 144 {
 145    struct gl_shader_program *prog =
 146       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_EVAL];
 147
 148    st_bind_atomics(st, prog, PIPE_SHADER_TESS_EVAL);
 149 }
 150
 151 const struct st_tracked_state st_bind_tes_atomics = {
 152    "st_bind_tes_atomics",
 153    {
 154       0,
 155       ST_NEW_TESSEVAL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 156    },
 157    bind_tes_atomics
 158 };
 159
 160 static void
 161 bind_cs_atomics(struct st_context *st)
 162 {
 163    struct gl_shader_program *prog =
 164       st->ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE];
 165
 166    st_bind_atomics(st, prog, PIPE_SHADER_COMPUTE);
 167 }
 168
 169 const struct st_tracked_state st_bind_cs_atomics = {
 170    "st_bind_cs_atomics",
 171    {
 172       0,
 173       ST_NEW_COMPUTE_PROGRAM | ST_NEW_ATOMIC_BUFFER,
 174    },
 175    bind_cs_atomics
 176 };