[Mesa-dev] [PATCH 15/17] st/mesa: add a state tracker for compute

Samuel Pitoiset samuel.pitoiset at gmail.com
Tue Jan 26 07:05:00 PST 2016



On 01/25/2016 04:02 PM, Ilia Mirkin wrote:
> How about
>
> st/mesa: add compute program dispatch callbacks
>
> or something along those lines. I don't think "state tracker" is the
> right term to use.

Fine by me, thanks for the suggestion.

>
> On Sun, Jan 24, 2016 at 4:09 PM, Samuel Pitoiset
> <samuel.pitoiset at gmail.com> wrote:
>> This state tracker implements DispatchCompute() and DispatchComputeIndirect().
>>
>> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
>> ---
>>   src/mesa/Makefile.sources              |  2 +
>>   src/mesa/state_tracker/st_cb_compute.c | 85 ++++++++++++++++++++++++++++++++++
>>   src/mesa/state_tracker/st_cb_compute.h | 38 +++++++++++++++
>>   src/mesa/state_tracker/st_context.c    |  2 +
>>   4 files changed, 127 insertions(+)
>>   create mode 100644 src/mesa/state_tracker/st_cb_compute.c
>>   create mode 100644 src/mesa/state_tracker/st_cb_compute.h
>>
>> diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
>> index ecab102..27366b5 100644
>> --- a/src/mesa/Makefile.sources
>> +++ b/src/mesa/Makefile.sources
>> @@ -424,6 +424,8 @@ STATETRACKER_FILES = \
>>          state_tracker/st_cb_bufferobjects.h \
>>          state_tracker/st_cb_clear.c \
>>          state_tracker/st_cb_clear.h \
>> +       state_tracker/st_cb_compute.c \
>> +       state_tracker/st_cb_compute.h \
>>          state_tracker/st_cb_condrender.c \
>>          state_tracker/st_cb_condrender.h \
>>          state_tracker/st_cb_copyimage.c \
>> diff --git a/src/mesa/state_tracker/st_cb_compute.c b/src/mesa/state_tracker/st_cb_compute.c
>> new file mode 100644
>> index 0000000..79a616c
>> --- /dev/null
>> +++ b/src/mesa/state_tracker/st_cb_compute.c
>> @@ -0,0 +1,85 @@
>> +/**************************************************************************
>> + *
>> + * Copyright 2016 Samuel Pitoiset
>> + * All Rights Reserved.
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a
>> + * copy of this software and associated documentation files (the
>> + * "Software"), to deal in the Software without restriction, including
>> + * without limitation the rights to use, copy, modify, merge, publish,
>> + * distribute, sub license, and/or sell copies of the Software, and to
>> + * permit persons to whom the Software is furnished to do so, subject to
>> + * the following conditions:
>> + *
>> + * The above copyright notice and this permission notice (including the
>> + * next paragraph) shall be included in all copies or substantial portions
>> + * of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
>> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
>> + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
>> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
>> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
>> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>> + *
>> + **************************************************************************/
>> +
>> +#include "main/state.h"
>> +#include "st_atom.h"
>> +#include "st_context.h"
>> +#include "st_cb_bufferobjects.h"
>> +#include "st_cb_compute.h"
>> +
>> +#include "pipe/p_context.h"
>> +
>> +static void st_dispatch_compute_common(struct gl_context *ctx,
>> +                                       const GLuint *num_groups,
>> +                                       struct pipe_resource *indirect,
>> +                                       GLintptr indirect_offset)
>> +{
>> +   struct gl_shader_program *prog =
>> +      ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE];
>> +   struct st_context *st = st_context(ctx);
>> +   struct pipe_context *pipe = st->pipe;
>> +   struct pipe_grid_info info = {};
>> +
>> +   if (ctx->NewState)
>> +      _mesa_update_state(ctx);
>> +
>> +   if (st->dirty_cp.st || ctx->NewDriverState)
>> +      st_validate_state(st, ST_PIPELINE_COMPUTE);
>> +
>> +   for (unsigned i = 0; i < 3; i++) {
>> +      info.block[i] = prog->Comp.LocalSize[i];
>> +      info.grid[i]  = num_groups ? num_groups[i] : 0;
>> +   }
>> +
>> +   if (indirect) {
>> +      info.indirect = indirect;
>> +      info.indirect_offset = indirect_offset;
>> +   }
>> +
>> +   pipe->launch_grid(pipe, &info);
>> +}
>> +
>> +static void st_dispatch_compute(struct gl_context *ctx,
>> +                                const GLuint *num_groups)
>> +{
>> +   st_dispatch_compute_common(ctx, num_groups, NULL, 0);
>> +}
>> +
>> +static void st_dispatch_compute_indirect(struct gl_context *ctx,
>> +                                         GLintptr indirect_offset)
>> +{
>> +   struct gl_buffer_object *indirect_buffer = ctx->DispatchIndirectBuffer;
>> +   struct pipe_resource *indirect = st_buffer_object(indirect_buffer)->buffer;
>> +
>> +   st_dispatch_compute_common(ctx, NULL, indirect, indirect_offset);
>> +}
>> +
>> +void st_init_compute_functions(struct dd_function_table *functions)
>> +{
>> +   functions->DispatchCompute = st_dispatch_compute;
>> +   functions->DispatchComputeIndirect = st_dispatch_compute_indirect;
>> +}
>> diff --git a/src/mesa/state_tracker/st_cb_compute.h b/src/mesa/state_tracker/st_cb_compute.h
>> new file mode 100644
>> index 0000000..78ec756
>> --- /dev/null
>> +++ b/src/mesa/state_tracker/st_cb_compute.h
>> @@ -0,0 +1,38 @@
>> +/**************************************************************************
>> + *
>> + * Copyright 2016 Samuel Pitoiset
>> + * All Rights Reserved.
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a
>> + * copy of this software and associated documentation files (the
>> + * "Software"), to deal in the Software without restriction, including
>> + * without limitation the rights to use, copy, modify, merge, publish,
>> + * distribute, sub license, and/or sell copies of the Software, and to
>> + * permit persons to whom the Software is furnished to do so, subject to
>> + * the following conditions:
>> + *
>> + * The above copyright notice and this permission notice (including the
>> + * next paragraph) shall be included in all copies or substantial portions
>> + * of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
>> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
>> + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
>> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
>> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
>> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>> + *
>> + **************************************************************************/
>> +
>> +#ifndef ST_CB_COMPUTE_H
>> +#define ST_CB_COMPUTE_H
>> +
>> +#include "main/compiler.h"
>> +
>> +struct dd_function_table;
>> +
>> +extern void
>> +st_init_compute_functions(struct dd_function_table *functions);
>> +
>> +#endif /* ST_CB_COMPUTE_H */
>> diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
>> index 3406689..25563b6 100644
>> --- a/src/mesa/state_tracker/st_context.c
>> +++ b/src/mesa/state_tracker/st_context.c
>> @@ -43,6 +43,7 @@
>>   #include "st_cb_blit.h"
>>   #include "st_cb_bufferobjects.h"
>>   #include "st_cb_clear.h"
>> +#include "st_cb_compute.h"
>>   #include "st_cb_condrender.h"
>>   #include "st_cb_copyimage.h"
>>   #include "st_cb_drawpixels.h"
>> @@ -485,6 +486,7 @@ void st_init_driver_functions(struct pipe_screen *screen,
>>      st_init_flush_functions(screen, functions);
>>      st_init_string_functions(functions);
>>      st_init_viewport_functions(functions);
>> +   st_init_compute_functions(functions);
>>
>>      st_init_xformfb_functions(functions);
>>      st_init_syncobj_functions(functions);
>> --
>> 2.6.4
>>
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev

-- 
-Samuel


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