1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
30 * Keith Whitwell <keithw@vmware.com>
35 #include "program/prog_parameter.h"
36 #include "program/prog_print.h"
37 #include "main/shaderapi.h"
38 #include "pipe/p_context.h"
39 #include "pipe/p_defines.h"
40 #include "util/u_inlines.h"
41 #include "util/u_upload_mgr.h"
42 #include "cso_cache/cso_context.h"
45 #include "st_context.h"
47 #include "st_atom_constbuf.h"
48 #include "st_program.h"
49 #include "st_cb_bufferobjects.h"
52 * Pass the given program parameters to the graphics pipe as a
56 st_upload_constants(struct st_context
*st
, struct gl_program
*prog
)
58 gl_shader_stage stage
= prog
->info
.stage
;
59 struct gl_program_parameter_list
*params
= prog
->Parameters
;
60 enum pipe_shader_type shader_type
= pipe_shader_type_from_mesa(stage
);
62 assert(shader_type
== PIPE_SHADER_VERTEX
||
63 shader_type
== PIPE_SHADER_FRAGMENT
||
64 shader_type
== PIPE_SHADER_GEOMETRY
||
65 shader_type
== PIPE_SHADER_TESS_CTRL
||
66 shader_type
== PIPE_SHADER_TESS_EVAL
||
67 shader_type
== PIPE_SHADER_COMPUTE
);
69 /* update the ATI constants before rendering */
70 if (shader_type
== PIPE_SHADER_FRAGMENT
&& st
->fp
->ati_fs
) {
71 struct ati_fragment_shader
*ati_fs
= st
->fp
->ati_fs
;
74 for (c
= 0; c
< MAX_NUM_FRAGMENT_CONSTANTS_ATI
; c
++) {
75 unsigned offset
= params
->ParameterValueOffset
[c
];
76 if (ati_fs
->LocalConstDef
& (1 << c
))
77 memcpy(params
->ParameterValues
+ offset
,
78 ati_fs
->Constants
[c
], sizeof(GLfloat
) * 4);
80 memcpy(params
->ParameterValues
+ offset
,
81 st
->ctx
->ATIFragmentShader
.GlobalConstants
[c
],
86 /* Make all bindless samplers/images bound texture/image units resident in
89 st_make_bound_samplers_resident(st
, prog
);
90 st_make_bound_images_resident(st
, prog
);
92 /* update constants */
93 if (params
&& params
->NumParameters
) {
94 struct pipe_constant_buffer cb
;
95 const uint paramBytes
= params
->NumParameterValues
* sizeof(GLfloat
);
97 /* Update the constants which come from fixed-function state, such as
98 * transformation matrices, fog factors, etc. The rest of the values in
99 * the parameters list are explicitly set by the user with glUniform,
100 * glProgramParameter(), etc.
102 if (params
->StateFlags
)
103 _mesa_load_state_parameters(st
->ctx
, params
);
105 _mesa_shader_write_subroutine_indices(st
->ctx
, stage
);
108 cb
.user_buffer
= params
->ParameterValues
;
109 cb
.buffer_offset
= 0;
110 cb
.buffer_size
= paramBytes
;
112 if (ST_DEBUG
& DEBUG_CONSTANTS
) {
113 debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n",
114 __func__
, shader_type
, params
->NumParameters
,
116 _mesa_print_parameter_list(params
);
119 cso_set_constant_buffer(st
->cso_context
, shader_type
, 0, &cb
);
120 pipe_resource_reference(&cb
.buffer
, NULL
);
122 st
->state
.constants
[shader_type
].ptr
= params
->ParameterValues
;
123 st
->state
.constants
[shader_type
].size
= paramBytes
;
125 else if (st
->state
.constants
[shader_type
].ptr
) {
127 st
->state
.constants
[shader_type
].ptr
= NULL
;
128 st
->state
.constants
[shader_type
].size
= 0;
129 cso_set_constant_buffer(st
->cso_context
, shader_type
, 0, NULL
);
138 st_update_vs_constants(struct st_context
*st
)
140 st_upload_constants(st
, &st
->vp
->Base
);
147 st_update_fs_constants(struct st_context
*st
)
149 st_upload_constants(st
, &st
->fp
->Base
);
156 st_update_gs_constants(struct st_context
*st
)
158 struct st_program
*gp
= st
->gp
;
161 st_upload_constants(st
, &gp
->Base
);
164 /* Tessellation control shader:
167 st_update_tcs_constants(struct st_context
*st
)
169 struct st_program
*tcp
= st
->tcp
;
172 st_upload_constants(st
, &tcp
->Base
);
175 /* Tessellation evaluation shader:
178 st_update_tes_constants(struct st_context
*st
)
180 struct st_program
*tep
= st
->tep
;
183 st_upload_constants(st
, &tep
->Base
);
189 st_update_cs_constants(struct st_context
*st
)
191 struct st_program
*cp
= st
->cp
;
194 st_upload_constants(st
, &cp
->Base
);
198 st_bind_ubos(struct st_context
*st
, struct gl_program
*prog
,
199 enum pipe_shader_type shader_type
)
202 struct pipe_constant_buffer cb
= { 0 };
207 for (i
= 0; i
< prog
->sh
.NumUniformBlocks
; i
++) {
208 struct gl_buffer_binding
*binding
;
209 struct st_buffer_object
*st_obj
;
212 &st
->ctx
->UniformBufferBindings
[prog
->sh
.UniformBlocks
[i
]->Binding
];
213 st_obj
= st_buffer_object(binding
->BufferObject
);
215 cb
.buffer
= st_obj
? st_obj
->buffer
: NULL
;
218 cb
.buffer_offset
= binding
->Offset
;
219 cb
.buffer_size
= cb
.buffer
->width0
- binding
->Offset
;
221 /* AutomaticSize is FALSE if the buffer was set with BindBufferRange.
222 * Take the minimum just to be sure.
224 if (!binding
->AutomaticSize
)
225 cb
.buffer_size
= MIN2(cb
.buffer_size
, (unsigned) binding
->Size
);
228 cb
.buffer_offset
= 0;
232 cso_set_constant_buffer(st
->cso_context
, shader_type
, 1 + i
, &cb
);
237 st_bind_vs_ubos(struct st_context
*st
)
239 struct gl_program
*prog
=
240 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_VERTEX
];
242 st_bind_ubos(st
, prog
, PIPE_SHADER_VERTEX
);
246 st_bind_fs_ubos(struct st_context
*st
)
248 struct gl_program
*prog
=
249 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_FRAGMENT
];
251 st_bind_ubos(st
, prog
, PIPE_SHADER_FRAGMENT
);
255 st_bind_gs_ubos(struct st_context
*st
)
257 struct gl_program
*prog
=
258 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_GEOMETRY
];
260 st_bind_ubos(st
, prog
, PIPE_SHADER_GEOMETRY
);
264 st_bind_tcs_ubos(struct st_context
*st
)
266 struct gl_program
*prog
=
267 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_CTRL
];
269 st_bind_ubos(st
, prog
, PIPE_SHADER_TESS_CTRL
);
273 st_bind_tes_ubos(struct st_context
*st
)
275 struct gl_program
*prog
=
276 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_TESS_EVAL
];
278 st_bind_ubos(st
, prog
, PIPE_SHADER_TESS_EVAL
);
282 st_bind_cs_ubos(struct st_context
*st
)
284 struct gl_program
*prog
=
285 st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_COMPUTE
];
287 st_bind_ubos(st
, prog
, PIPE_SHADER_COMPUTE
);