1 /**************************************************************************
3 * Copyright 2014 Ilia Mirkin. All Rights Reserved.
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:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
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.
25 **************************************************************************/
28 #include "program/prog_parameter.h"
29 #include "program/prog_print.h"
30 #include "compiler/glsl/ir_uniform.h"
32 #include "pipe/p_context.h"
33 #include "pipe/p_defines.h"
34 #include "util/u_inlines.h"
35 #include "util/u_surface.h"
38 #include "st_cb_bufferobjects.h"
39 #include "st_context.h"
41 #include "st_program.h"
44 st_bind_ssbos(struct st_context
*st
, struct gl_program
*prog
,
45 enum pipe_shader_type shader_type
)
48 struct pipe_shader_buffer buffers
[MAX_SHADER_STORAGE_BUFFERS
];
49 if (!prog
|| !st
->pipe
->set_shader_buffers
)
52 for (i
= 0; i
< prog
->info
.num_ssbos
; i
++) {
53 struct gl_buffer_binding
*binding
;
54 struct st_buffer_object
*st_obj
;
55 struct pipe_shader_buffer
*sb
= &buffers
[i
];
57 binding
= &st
->ctx
->ShaderStorageBufferBindings
[
58 prog
->sh
.ShaderStorageBlocks
[i
]->Binding
];
59 st_obj
= st_buffer_object(binding
->BufferObject
);
61 sb
->buffer
= st_obj
? st_obj
->buffer
: NULL
;
64 sb
->buffer_offset
= binding
->Offset
;
65 sb
->buffer_size
= sb
->buffer
->width0
- binding
->Offset
;
67 /* AutomaticSize is FALSE if the buffer was set with BindBufferRange.
68 * Take the minimum just to be sure.
70 if (!binding
->AutomaticSize
)
71 sb
->buffer_size
= MIN2(sb
->buffer_size
, (unsigned) binding
->Size
);
74 sb
->buffer_offset
= 0;
78 st
->pipe
->set_shader_buffers(st
->pipe
, shader_type
, 0,
79 prog
->info
.num_ssbos
, buffers
,
80 prog
->sh
.ShaderStorageBlocksWriteAccess
);
82 /* Clear out any stale shader buffers (or lowered atomic counters). */
83 int num_ssbos
= prog
->info
.num_ssbos
;
84 if (!st
->has_hw_atomics
)
85 num_ssbos
+= st
->last_used_atomic_bindings
[shader_type
];
86 if (st
->last_num_ssbos
[shader_type
] > num_ssbos
) {
87 st
->pipe
->set_shader_buffers(
88 st
->pipe
, shader_type
,
90 st
->last_num_ssbos
[shader_type
] - num_ssbos
,
92 st
->last_num_ssbos
[shader_type
] = num_ssbos
;
96 void st_bind_vs_ssbos(struct st_context
*st
)
98 struct gl_program
*prog
=
99 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_VERTEX
];
101 st_bind_ssbos(st
, prog
, PIPE_SHADER_VERTEX
);
104 void st_bind_fs_ssbos(struct st_context
*st
)
106 struct gl_program
*prog
=
107 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_FRAGMENT
];
109 st_bind_ssbos(st
, prog
, PIPE_SHADER_FRAGMENT
);
112 void st_bind_gs_ssbos(struct st_context
*st
)
114 struct gl_program
*prog
=
115 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_GEOMETRY
];
117 st_bind_ssbos(st
, prog
, PIPE_SHADER_GEOMETRY
);
120 void st_bind_tcs_ssbos(struct st_context
*st
)
122 struct gl_program
*prog
=
123 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_CTRL
];
125 st_bind_ssbos(st
, prog
, PIPE_SHADER_TESS_CTRL
);
128 void st_bind_tes_ssbos(struct st_context
*st
)
130 struct gl_program
*prog
=
131 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_EVAL
];
133 st_bind_ssbos(st
, prog
, PIPE_SHADER_TESS_EVAL
);
136 void st_bind_cs_ssbos(struct st_context
*st
)
138 struct gl_program
*prog
=
139 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_COMPUTE
];
141 st_bind_ssbos(st
, prog
, PIPE_SHADER_COMPUTE
);