[Mesa-dev] [PATCH 05/11] gallium: add PIPE_SHADER_CAP_MAX_BUFFERS

Brian Paul brianp at vmware.com
Mon Sep 28 14:55:24 PDT 2015


On 09/28/2015 09:20 AM, Ilia Mirkin wrote:
> On Mon, Sep 28, 2015 at 10:25 AM, Brian Paul <brianp at vmware.com> wrote:
>> On 09/27/2015 12:33 AM, Ilia Mirkin wrote:
>>>
>>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>>> ---
>>>    src/gallium/auxiliary/gallivm/lp_bld_limits.h    | 1 +
>>>    src/gallium/auxiliary/tgsi/tgsi_exec.h           | 1 +
>>>    src/gallium/docs/source/screen.rst               | 4 ++++
>>>    src/gallium/drivers/freedreno/freedreno_screen.c | 2 ++
>>>    src/gallium/drivers/nouveau/nv30/nv30_screen.c   | 2 ++
>>>    src/gallium/drivers/nouveau/nv50/nv50_screen.c   | 1 +
>>>    src/gallium/drivers/nouveau/nvc0/nvc0_screen.c   | 1 +
>>>    src/gallium/drivers/r300/r300_screen.c           | 2 ++
>>>    src/gallium/drivers/r600/r600_pipe.c             | 1 +
>>>    src/gallium/drivers/radeonsi/si_pipe.c           | 2 ++
>>>    src/gallium/drivers/svga/svga_screen.c           | 3 +++
>>>    src/gallium/drivers/vc4/vc4_screen.c             | 2 ++
>>>    src/gallium/include/pipe/p_defines.h             | 3 ++-
>>>    13 files changed, 24 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/src/gallium/auxiliary/gallivm/lp_bld_limits.h
>>> b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
>>> index 571c615..1f49157 100644
>>> --- a/src/gallium/auxiliary/gallivm/lp_bld_limits.h
>>> +++ b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
>>> @@ -136,6 +136,7 @@ gallivm_get_shader_param(enum pipe_shader_cap param)
>>>       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>> +   case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>          return 0;
>>>       }
>>>       /* if we get here, we missed a shader cap above (and should have seen
>>> diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h
>>> b/src/gallium/auxiliary/tgsi/tgsi_exec.h
>>> index a371aa9..be77979 100644
>>> --- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
>>> +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
>>> @@ -473,6 +473,7 @@ tgsi_exec_get_shader_param(enum pipe_shader_cap param)
>>>          return 1;
>>>       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>> +   case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>          return 0;
>>>       }
>>>       /* if we get here, we missed a shader cap above (and should have seen
>>> diff --git a/src/gallium/docs/source/screen.rst
>>> b/src/gallium/docs/source/screen.rst
>>> index e780047..e2550f5 100644
>>> --- a/src/gallium/docs/source/screen.rst
>>> +++ b/src/gallium/docs/source/screen.rst
>>> @@ -356,6 +356,10 @@ to be 0.
>>>      are supported.
>>>    * ``PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE``: Whether the driver
>>> doesn't
>>>      ignore tgsi_declaration_range::Last for shader inputs and outputs.
>>> +* ``PIPE_SHADER_CAP_MAX_BUFFERS``: Maximum number of memory buffers
>>> +  (also used to implement atomic counters). Having this be non-0 also
>>> +  implies support for the ``LOAD``, ``STORE``, and ``ATOM*`` TGSI
>>> +  opcodes.
>>>
>>>
>>>    .. _pipe_compute_cap:
>>> diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c
>>> b/src/gallium/drivers/freedreno/freedreno_screen.c
>>> index c9228c5..34f33c2 100644
>>> --- a/src/gallium/drivers/freedreno/freedreno_screen.c
>>> +++ b/src/gallium/drivers/freedreno/freedreno_screen.c
>>> @@ -404,6 +404,8 @@ fd_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>                  return 16;
>>>          case PIPE_SHADER_CAP_PREFERRED_IR:
>>>                  return PIPE_SHADER_IR_TGSI;
>>> +       case PIPE_SHADER_CAP_MAX_BUFFERS:
>>> +               return 0;
>>>          }
>>>          debug_printf("unknown shader param %d\n", param);
>>>          return 0;
>>> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>>> b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>>> index 806d4e6..461795d 100644
>>> --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>>> +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>>> @@ -261,6 +261,7 @@ nv30_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>          case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +      case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>             return 0;
>>>          default:
>>>             debug_printf("unknown vertex shader param %d\n", param);
>>> @@ -302,6 +303,7 @@ nv30_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>          case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +      case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>             return 0;
>>>          default:
>>>             debug_printf("unknown fragment shader param %d\n", param);
>>> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>>> b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>>> index c3bbc83..f74daac 100644
>>> --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>>> +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>>> @@ -297,6 +297,7 @@ nv50_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +   case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>          return 0;
>>>       default:
>>>          NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
>>> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>>> b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>>> index 1909b91..12388b8 100644
>>> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>>> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>>> @@ -306,6 +306,7 @@ nvc0_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +   case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>          return 0;
>>>       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
>>>          return 16; /* would be 32 in linked (OpenGL-style) mode */
>>> diff --git a/src/gallium/drivers/r300/r300_screen.c
>>> b/src/gallium/drivers/r300/r300_screen.c
>>> index e669ba2..426cb2f 100644
>>> --- a/src/gallium/drivers/r300/r300_screen.c
>>> +++ b/src/gallium/drivers/r300/r300_screen.c
>>> @@ -300,6 +300,7 @@ static int r300_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader, e
>>>            case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
>>>            case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>            case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>> +        case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>                return 0;
>>>            case PIPE_SHADER_CAP_PREFERRED_IR:
>>>                return PIPE_SHADER_IR_TGSI;
>>> @@ -356,6 +357,7 @@ static int r300_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader, e
>>>            case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
>>>            case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>            case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>> +        case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>                return 0;
>>>            case PIPE_SHADER_CAP_PREFERRED_IR:
>>>                return PIPE_SHADER_IR_TGSI;
>>> diff --git a/src/gallium/drivers/r600/r600_pipe.c
>>> b/src/gallium/drivers/r600/r600_pipe.c
>>> index 36d7e68..71e58b0 100644
>>> --- a/src/gallium/drivers/r600/r600_pipe.c
>>> +++ b/src/gallium/drivers/r600/r600_pipe.c
>>> @@ -508,6 +508,7 @@ static int r600_get_shader_param(struct pipe_screen*
>>> pscreen, unsigned shader, e
>>>          case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>> +       case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>                  return 0;
>>>          }
>>>          return 0;
>>> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
>>> b/src/gallium/drivers/radeonsi/si_pipe.c
>>> index 9edee50..5529a31 100644
>>> --- a/src/gallium/drivers/radeonsi/si_pipe.c
>>> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
>>> @@ -498,6 +498,8 @@ static int si_get_shader_param(struct pipe_screen*
>>> pscreen, unsigned shader, enu
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>>                  return 1;
>>> +       case PIPE_SHADER_CAP_MAX_BUFFERS:
>>> +               return 0;
>>>          }
>>>          return 0;
>>>    }
>>> diff --git a/src/gallium/drivers/svga/svga_screen.c
>>> b/src/gallium/drivers/svga/svga_screen.c
>>> index 44b6f4a..7dea794 100644
>>> --- a/src/gallium/drivers/svga/svga_screen.c
>>> +++ b/src/gallium/drivers/svga/svga_screen.c
>>> @@ -453,6 +453,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
>>> unsigned shader,
>>>          case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +      case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>             return 0;
>>>          }
>>>          /* If we get here, we failed to handle a cap above */
>>> @@ -509,6 +510,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
>>> unsigned shader,
>>>          case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>          case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +      case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>             return 0;
>>>          }
>>>          /* If we get here, we failed to handle a cap above */
>>> @@ -598,6 +600,7 @@ vgpu10_get_shader_param(struct pipe_screen *screen,
>>> unsigned shader,
>>>       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
>>>       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
>>> +   case PIPE_SHADER_CAP_MAX_BUFFERS:
>>>          return 0;
>>>       default:
>>>          debug_printf("Unexpected vgpu10 shader query %u\n", param);
>>> diff --git a/src/gallium/drivers/vc4/vc4_screen.c
>>> b/src/gallium/drivers/vc4/vc4_screen.c
>>> index c4b52e1..e29fd3e 100644
>>> --- a/src/gallium/drivers/vc4/vc4_screen.c
>>> +++ b/src/gallium/drivers/vc4/vc4_screen.c
>>> @@ -335,6 +335,8 @@ vc4_screen_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader,
>>>                    return VC4_MAX_TEXTURE_SAMPLERS;
>>>            case PIPE_SHADER_CAP_PREFERRED_IR:
>>>                    return PIPE_SHADER_IR_TGSI;
>>> +        case PIPE_SHADER_CAP_MAX_BUFFERS:
>>> +                return 0;
>>>            default:
>>>                    fprintf(stderr, "unknown shader param %d\n", param);
>>>                    return 0;
>>> diff --git a/src/gallium/include/pipe/p_defines.h
>>> b/src/gallium/include/pipe/p_defines.h
>>> index 47fa82a..bea865f 100644
>>> --- a/src/gallium/include/pipe/p_defines.h
>>> +++ b/src/gallium/include/pipe/p_defines.h
>>> @@ -695,7 +695,8 @@ enum pipe_shader_cap
>>>       PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED, /* all rounding modes */
>>>       PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED,
>>>       PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED,
>>> -   PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE
>>> +   PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE,
>>> +   PIPE_SHADER_CAP_MAX_BUFFERS,
>>
>>
>> Wouldn't something like PIPE_SHADER_CAP_MAX_ATOMIC_BUFFERS be more
>> descriptive?  MAX_BUFFERS seems pretty generic.
>
> Perhaps MAX_SHADER_BUFFERS? This is also for ssbo. In the st I will
> just use the first half for attomic, second half for ssbo binding
> points.

That sounds better.  Thanks.

-Brian


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