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_binding_to_sb(struct gl_buffer_binding
*binding
,
45 struct pipe_shader_buffer
*sb
)
47 struct st_buffer_object
*st_obj
=
48 st_buffer_object(binding
->BufferObject
);
50 if (st_obj
&& st_obj
->buffer
) {
51 sb
->buffer
= st_obj
->buffer
;
52 sb
->buffer_offset
= binding
->Offset
;
53 sb
->buffer_size
= st_obj
->buffer
->width0
- binding
->Offset
;
55 /* AutomaticSize is FALSE if the buffer was set with BindBufferRange.
56 * Take the minimum just to be sure.
58 if (!binding
->AutomaticSize
)
59 sb
->buffer_size
= MIN2(sb
->buffer_size
, (unsigned) binding
->Size
);
62 sb
->buffer_offset
= 0;
68 st_bind_atomics(struct st_context
*st
, struct gl_program
*prog
,
69 gl_shader_stage stage
)
72 enum pipe_shader_type shader_type
= pipe_shader_type_from_mesa(stage
);
74 if (!prog
|| !st
->pipe
->set_shader_buffers
|| st
->has_hw_atomics
)
77 /* For !has_hw_atomics, the atomic counters have been rewritten to be above
78 * the SSBOs used by the program.
80 unsigned buffer_base
= prog
->info
.num_ssbos
;
81 unsigned used_bindings
= 0;
82 for (i
= 0; i
< prog
->sh
.data
->NumAtomicBuffers
; i
++) {
83 struct gl_active_atomic_buffer
*atomic
=
84 &prog
->sh
.data
->AtomicBuffers
[i
];
85 struct pipe_shader_buffer sb
;
87 st_binding_to_sb(&st
->ctx
->AtomicBufferBindings
[atomic
->Binding
], &sb
);
89 st
->pipe
->set_shader_buffers(st
->pipe
, shader_type
,
90 buffer_base
+ atomic
->Binding
, 1, &sb
, 0x1);
91 used_bindings
= MAX2(atomic
->Binding
+ 1, used_bindings
);
93 st
->last_used_atomic_bindings
[shader_type
] = used_bindings
;
97 st_bind_vs_atomics(struct st_context
*st
)
99 struct gl_program
*prog
=
100 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_VERTEX
];
102 st_bind_atomics(st
, prog
, MESA_SHADER_VERTEX
);
106 st_bind_fs_atomics(struct st_context
*st
)
108 struct gl_program
*prog
=
109 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_FRAGMENT
];
111 st_bind_atomics(st
, prog
, MESA_SHADER_FRAGMENT
);
115 st_bind_gs_atomics(struct st_context
*st
)
117 struct gl_program
*prog
=
118 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_GEOMETRY
];
120 st_bind_atomics(st
, prog
, MESA_SHADER_GEOMETRY
);
124 st_bind_tcs_atomics(struct st_context
*st
)
126 struct gl_program
*prog
=
127 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_CTRL
];
129 st_bind_atomics(st
, prog
, MESA_SHADER_TESS_CTRL
);
133 st_bind_tes_atomics(struct st_context
*st
)
135 struct gl_program
*prog
=
136 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_EVAL
];
138 st_bind_atomics(st
, prog
, MESA_SHADER_TESS_EVAL
);
142 st_bind_cs_atomics(struct st_context
*st
)
144 if (st
->has_hw_atomics
) {
145 st_bind_hw_atomic_buffers(st
);
148 struct gl_program
*prog
=
149 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_COMPUTE
];
151 st_bind_atomics(st
, prog
, MESA_SHADER_COMPUTE
);
155 st_bind_hw_atomic_buffers(struct st_context
*st
)
157 struct pipe_shader_buffer buffers
[PIPE_MAX_HW_ATOMIC_BUFFERS
];
160 if (!st
->has_hw_atomics
)
163 for (i
= 0; i
< st
->ctx
->Const
.MaxAtomicBufferBindings
; i
++)
164 st_binding_to_sb(&st
->ctx
->AtomicBufferBindings
[i
], &buffers
[i
]);
166 st
->pipe
->set_hw_atomic_buffers(st
->pipe
, 0, st
->ctx
->Const
.MaxAtomicBufferBindings
, buffers
);