[Mesa-dev] [PATCH 2/3] mesa: Add support for the ARB_pipeline_statistics_query extension

Ben Widawsky benjamin.widawsky at intel.com
Tue Feb 17 16:21:25 PST 2015


On Tue, Feb 17, 2015 at 11:41:01AM -0800, Ian Romanick wrote:
> On 02/13/2015 11:02 PM, Ben Widawsky wrote:
> > This was originally part of a single patch which added the extension, and
> > implemented it for i965 classic. For information about the evolution of the
> > patch, please see the subsequent commit.
> > 
> > One difference here as compared to the original mega patch is this does build
> > support for the compute shader query. Since it cannot be tested on any platform,
> > it will always return NULL for now. Jordan has already written a patch to
> > address this, and when that patch lands, this logic can be modified. Tesselation
> > shader support still won't build, so it's stubbed out.
> > 
> > v2: Fix typo in subject (Brian Paul)
> > Add checks for desktop gl (Ilia)
> > Fail for any callers for now (Ilia)
> > Update QueryCounterBits for new tokens (Ilia)
> > Jordan: Use _mesa_has_compute_shaders
> > 
> > Cc: Jordan Justen <jljusten at gmail.com>
> > Cc: Ilia Mirkin <imirkin at alum.mit.edu>
> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> > ---
> >  .../glapi/gen/ARB_pipeline_statistics_query.xml    | 24 ++++++
> >  src/mapi/glapi/gen/Makefile.am                     |  1 +
> >  src/mapi/glapi/gen/gl_API.xml                      |  3 +
> >  src/mesa/main/config.h                             |  3 +
> >  src/mesa/main/extensions.c                         |  1 +
> >  src/mesa/main/mtypes.h                             | 15 ++++
> >  src/mesa/main/queryobj.c                           | 91 ++++++++++++++++++++++
> >  7 files changed, 138 insertions(+)
> >  create mode 100644 src/mapi/glapi/gen/ARB_pipeline_statistics_query.xml
> > 
> > diff --git a/src/mapi/glapi/gen/ARB_pipeline_statistics_query.xml b/src/mapi/glapi/gen/ARB_pipeline_statistics_query.xml
> > new file mode 100644
> > index 0000000..1c66533
> > --- /dev/null
> > +++ b/src/mapi/glapi/gen/ARB_pipeline_statistics_query.xml
> > @@ -0,0 +1,24 @@
> > +<?xml version="1.0"?>
> > +<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
> > +
> > +<!-- Note: no GLX protocol info yet. -->
> > +
> > +<OpenGLAPI>
> > +
> > +<category name="GL_ARB_pipeline_statistics_query" number="171">
> > +
> > +  <enum name="VERTICES_SUBMITTED"                      value="0x82EE"/>
> > +  <enum name="PRIMITIVES_SUBMITTED"                    value="0x82EF"/>
> > +  <enum name="VERTEX_SHADER_INVOCATIONS"               value="0x82F0"/>
> > +  <enum name="TESS_CONTROL_SHADER_PATCHES"             value="0x82F1"/>
> > +  <enum name="TESS_EVALUATION_SHADER_INVOCATIONS"      value="0x82F2"/>
> > +  <!-- <enum name="GEOMETRY_SHADER_INVOCATIONS"             value="0x887F"/> -->
> > +  <enum name="GEOMETRY_SHADER_PRIMITIVES_EMITTED"      value="0x82F3"/>
> > +  <enum name="FRAGMENT_SHADER_INVOCATIONS"             value="0x82F4"/>
> > +  <enum name="COMPUTE_SHADER_INVOCATIONS"              value="0x82F5"/>
> > +  <enum name="CLIPPING_INPUT_PRIMITIVES"               value="0x82F6"/>
> > +  <enum name="CLIPPING_OUTPUT_PRIMITIVES"              value="0x82F7"/>
> 
> Aren't all of these supposed to have _ARB on the end?
> 

I just copied the other ones which seemed to do a similar thing, and they did
not have ARB. So, I think /not/ but you tell me.

> > +
> > +</category>
> > +
> > +</OpenGLAPI>
> > diff --git a/src/mapi/glapi/gen/Makefile.am b/src/mapi/glapi/gen/Makefile.am
> > index 35d9d01..28973c4 100644
> > --- a/src/mapi/glapi/gen/Makefile.am
> > +++ b/src/mapi/glapi/gen/Makefile.am
> > @@ -138,6 +138,7 @@ API_XML = \
> >  	ARB_invalidate_subdata.xml \
> >  	ARB_map_buffer_range.xml \
> >  	ARB_multi_bind.xml \
> > +	ARB_pipeline_statistics_query.xml \
> >  	ARB_robustness.xml \
> >  	ARB_sample_shading.xml \
> >  	ARB_sampler_objects.xml \
> > diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
> > index 17bf62a..764bbb7 100644
> > --- a/src/mapi/glapi/gen/gl_API.xml
> > +++ b/src/mapi/glapi/gen/gl_API.xml
> > @@ -8389,6 +8389,9 @@
> >  
> >  <xi:include href="KHR_context_flush_control.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
> >  
> > +<!-- ARB extension 171 -->
> > +<xi:include href="ARB_pipeline_statistics_query.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
> > +
> >  <!-- Non-ARB extensions sorted by extension number. -->
> >  
> >  <category name="GL_EXT_blend_color" number="2">
> > diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
> > index 08e1a14..5a66a4e 100644
> > --- a/src/mesa/main/config.h
> > +++ b/src/mesa/main/config.h
> > @@ -300,6 +300,9 @@
> >  #define MAX_COMPUTE_IMAGE_UNIFORMS          8
> >  /*@}*/
> >  
> > +/** For GL_ARB_pipeline_statistics_query */
> > +#define MAX_PIPELINE_STATISTICS             11
> > +
> >  /*
> >   * Color channel component order
> >   * 
> > diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
> > index 220b220..caa2cc9 100644
> > --- a/src/mesa/main/extensions.c
> > +++ b/src/mesa/main/extensions.c
> > @@ -134,6 +134,7 @@ static const struct extension extension_table[] = {
> >     { "GL_ARB_multitexture",                        o(dummy_true),                              GLL,            1998 },
> >     { "GL_ARB_occlusion_query2",                    o(ARB_occlusion_query2),                    GL,             2003 },
> >     { "GL_ARB_occlusion_query",                     o(ARB_occlusion_query),                     GLL,            2001 },
> > +   { "GL_ARB_pipeline_statistics_query",           o(ARB_pipeline_statistics_query),           GL,             2014 },
> >     { "GL_ARB_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL,             2004 },
> >     { "GL_ARB_point_parameters",                    o(EXT_point_parameters),                    GLL,            1997 },
> >     { "GL_ARB_point_sprite",                        o(ARB_point_sprite),                        GL,             2003 },
> > diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> > index 1c33ef4..0e3db23 100644
> > --- a/src/mesa/main/mtypes.h
> > +++ b/src/mesa/main/mtypes.h
> > @@ -3072,6 +3072,9 @@ struct gl_query_state
> >     /** GL_ARB_timer_query */
> >     struct gl_query_object *TimeElapsed;
> >  
> > +   /** GL_ARB_pipeline_statistics_query */
> > +   struct gl_query_object *pipeline_stats[MAX_PIPELINE_STATISTICS];
> > +
> >     GLenum CondRenderMode;
> >  };
> >  
> > @@ -3458,6 +3461,17 @@ struct gl_constants
> >        GLuint Timestamp;
> >        GLuint PrimitivesGenerated;
> >        GLuint PrimitivesWritten;
> > +      GLuint VerticesSubmitted;
> > +      GLuint PrimitivesSubmitted;
> > +      GLuint VsInvocations;
> > +      GLuint TessPatches;
> > +      GLuint TessInvocations;
> > +      GLuint GsInvocations;
> > +      GLuint GsPrimitives;
> > +      GLuint FsInvocations;
> > +      GLuint ComputeInvocations;
> > +      GLuint ClInPrimitives;
> > +      GLuint ClOutPrimitives;
> >     } QueryCounterBits;
> >  
> >     GLuint MaxDrawBuffers;    /**< GL_ARB_draw_buffers */
> > @@ -3754,6 +3768,7 @@ struct gl_extensions
> >     GLboolean ARB_map_buffer_range;
> >     GLboolean ARB_occlusion_query;
> >     GLboolean ARB_occlusion_query2;
> > +   GLboolean ARB_pipeline_statistics_query;
> >     GLboolean ARB_point_sprite;
> >     GLboolean ARB_sample_shading;
> >     GLboolean ARB_seamless_cube_map;
> > diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
> > index 932359c..98b6b56 100644
> > --- a/src/mesa/main/queryobj.c
> > +++ b/src/mesa/main/queryobj.c
> > @@ -142,6 +142,18 @@ _mesa_init_query_object_functions(struct dd_function_table *driver)
> >     driver->CheckQuery = _mesa_check_query;
> >  }
> >  
> > +static struct gl_query_object **
> > +get_pipe_stats_binding_point(struct gl_context *ctx,
> > +                             GLenum target)
> > +{
> > +   if (!_mesa_is_desktop_gl(ctx) ||
> > +       !ctx->Extensions.ARB_pipeline_statistics_query)
> > +      return NULL;
> > +
> > +   const int which = target - GL_VERTICES_SUBMITTED_ARB;
> > +   assert(which < MAX_PIPELINE_STATISTICS);
> > +   return &ctx->Query.pipeline_stats[which];
> > +}
> >  
> >  /**
> >   * Return pointer to the query object binding point for the given target and
> > @@ -183,6 +195,40 @@ get_query_binding_point(struct gl_context *ctx, GLenum target, GLuint index)
> >           return &ctx->Query.PrimitivesWritten[index];
> >        else
> >           return NULL;
> > +
> > +   case GL_VERTICES_SUBMITTED_ARB:
> > +   case GL_PRIMITIVES_SUBMITTED_ARB:
> > +   case GL_VERTEX_SHADER_INVOCATIONS_ARB:
> > +   case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
> > +   case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
> > +   case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
> > +         return get_pipe_stats_binding_point(ctx, target);
> > +
> > +   case GL_GEOMETRY_SHADER_INVOCATIONS:
> > +      /* GL_GEOMETRY_SHADER_INVOCATIONS is defined in a non-sequential order */
> > +      target = GL_VERTICES_SUBMITTED_ARB + MAX_PIPELINE_STATISTICS - 1;
> > +      /* fallthrough */
> > +   case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
> > +      if (_mesa_has_geometry_shaders(ctx))
> > +         return get_pipe_stats_binding_point(ctx, target);
> > +      else
> > +         return NULL;
> > +
> > +#if 0 /* Not yet able to build or test */
> > +   case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
> > +   case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
> > +      if (ctx->Version >= 40 || ctx->Extensions.ARB_tessellation_shader)
> > +         return get_pipe_stats_binding_point(ctx, target);
> > +      else
> > +         return NULL;
> > +#endif
> > +
> > +   case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
> > +      if (_mesa_has_compute_shaders(ctx))
> > +         return get_pipe_stats_binding_point(ctx, target);
> > +      else
> > +         return NULL;
> > +
> >     default:
> >        return NULL;
> >     }
> > @@ -553,6 +599,39 @@ _mesa_GetQueryIndexediv(GLenum target, GLuint index, GLenum pname,
> >           case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
> >              *params = ctx->Const.QueryCounterBits.PrimitivesWritten;
> >              break;
> > +         case GL_VERTICES_SUBMITTED_ARB:
> > +            *params = ctx->Const.QueryCounterBits.VerticesSubmitted;
> > +            break;
> > +         case GL_PRIMITIVES_SUBMITTED_ARB:
> > +            *params = ctx->Const.QueryCounterBits.PrimitivesSubmitted;
> > +            break;
> > +         case GL_VERTEX_SHADER_INVOCATIONS_ARB:
> > +            *params = ctx->Const.QueryCounterBits.VsInvocations;
> > +            break;
> > +         case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
> > +            *params = ctx->Const.QueryCounterBits.TessPatches;
> > +            break;
> > +         case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
> > +            *params = ctx->Const.QueryCounterBits.TessInvocations;
> > +            break;
> > +         case GL_GEOMETRY_SHADER_INVOCATIONS:
> > +            *params = ctx->Const.QueryCounterBits.GsInvocations;
> > +            break;
> > +         case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
> > +            *params = ctx->Const.QueryCounterBits.GsPrimitives;
> > +            break;
> > +         case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
> > +            *params = ctx->Const.QueryCounterBits.FsInvocations;
> > +            break;
> > +         case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
> > +            *params = ctx->Const.QueryCounterBits.ComputeInvocations;
> > +            break;
> > +         case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
> > +            *params = ctx->Const.QueryCounterBits.ClInPrimitives;
> > +            break;
> > +         case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
> > +            *params = ctx->Const.QueryCounterBits.ClOutPrimitives;
> > +            break;
> >           default:
> >              _mesa_problem(ctx,
> >                            "Unknown target in glGetQueryIndexediv(target = %s)",
> > @@ -771,6 +850,18 @@ _mesa_init_queryobj(struct gl_context *ctx)
> >     ctx->Const.QueryCounterBits.Timestamp = 64;
> >     ctx->Const.QueryCounterBits.PrimitivesGenerated = 64;
> >     ctx->Const.QueryCounterBits.PrimitivesWritten = 64;
> > +
> > +   ctx->Const.QueryCounterBits.VerticesSubmitted = 64;
> > +   ctx->Const.QueryCounterBits.PrimitivesSubmitted = 64;
> > +   ctx->Const.QueryCounterBits.VsInvocations = 64;
> > +   ctx->Const.QueryCounterBits.TessPatches = 64;
> > +   ctx->Const.QueryCounterBits.TessInvocations = 64;
> > +   ctx->Const.QueryCounterBits.GsInvocations = 64;
> > +   ctx->Const.QueryCounterBits.GsPrimitives = 64;
> > +   ctx->Const.QueryCounterBits.FsInvocations = 64;
> > +   ctx->Const.QueryCounterBits.ComputeInvocations = 64;
> > +   ctx->Const.QueryCounterBits.ClInPrimitives = 64;
> > +   ctx->Const.QueryCounterBits.ClOutPrimitives = 64;
> >  }
> >  
> >  
> > 
> 

-- 
Ben Widawsky, Intel Open Source Technology Center


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