[Mesa-dev] [PATCH] i965: implement ARB_pipeline_statistics_query
Ilia Mirkin
imirkin at alum.mit.edu
Sun Nov 23 10:50:08 PST 2014
On Sun, Nov 23, 2014 at 1:31 PM, Ben Widawsky <ben at bwidawsk.net> wrote:
> On Sun, Nov 23, 2014 at 02:12:10AM -0500, Ilia Mirkin wrote:
>> On Sat, Nov 22, 2014 at 6:52 PM, Ben Widawsky
>> <benjamin.widawsky at intel.com> wrote:
>> > This patch implements ARB_pipeline_statistics_query. This addition to GL does
>> > not add a new API. Instead, it adds new tokens to the existing query APIs. The
>> > work to hook up the new tokens is trivial due to it's similarity to the previous
>> > work done for the query APIs. I've implemented all the new tokens to some
>> > degree, but have stubbed out the untested ones at the entry point for Begin().
>> > Doing this should allow the remainder of the code to be left in.
>> >
>> > The new tokens give GL clients a way to obtain stats about the GL pipeline.
>> > Generally, you get the number of things going in, invocations, and number of
>> > things coming out, primitives, of the various stages. There are two immediate
>> > uses for this, performance information, and debugging various types of
>> > misrendering. I doubt one can use these for debugging very complex applications,
>> > but for piglit tests, it should be quite useful.
>> >
>> > Tessellation shaders, and compute shaders are not addressed in this patch
>> > because there is no upstream implementation. I've implemented how I believe
>> > tessellation shader stats will work for Intel hardware (though there is a bit of
>> > ambiguity). Compute shaders are a bit more interesting though, and I don't yet
>> > know what we'll do there.
>> >
>> > For the lazy, here is a link to the relevant part of the spec:
>> > https://www.opengl.org/registry/specs/ARB/pipeline_statistics_query.txt
>> >
>> > I was unsure how to handle the following:
>> >>Dependencies on AMD_transform_feedback4
>> >>
>> >> If AMD_transform_feedback4 is supported then GEOMETRY_SHADER_PRIMITIVES_-
>> >> EMITTED_ARB counts primitives emitted to any of the vertex streams for
>> >> which STREAM_RASTERIZATION_AMD is enabled.
>> >
>> > Running the piglit tests
>> > http://lists.freedesktop.org/archives/piglit/2014-November/013321.html
>> > (http://cgit.freedesktop.org/~bwidawsk/piglit/log/?h=pipe_stats)
>> > yield the following results:
>> >
>> >> python2 ./piglit-run.py -t stats tests/all.py output/pipeline_stats
>> >> [5/5] pass: 5 Running Test(s): 5
>> >
>> > Previously I was seeing the adjacent vertex test failing on certain Intel
>> > hardware. I am currently not able to reproduce this, and therefore for now, I'll
>> > assume it was some transient issue which has been fixed.
>> >
>> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
>> > ---
>> > docs/GL3.txt | 1 +
>> > src/mapi/glapi/gen/GL4x.xml | 14 ++++
>> > src/mesa/drivers/dri/i965/gen6_queryobj.c | 116 +++++++++++++++++++++++++++
>> > src/mesa/drivers/dri/i965/intel_extensions.c | 1 +
>> > src/mesa/main/config.h | 3 +
>> > src/mesa/main/extensions.c | 1 +
>> > src/mesa/main/mtypes.h | 15 ++++
>> > src/mesa/main/queryobj.c | 77 ++++++++++++++++++
>>
>> Traditionally these are split up among 3 patches, one which adds the
>> glapi, one which adds the core impl, and one which adds the driver
>> impl. It might be fine to merge the first 2 bits here.
>>
>
> Okay. So glapi + core which always fail followed by the implementation patch?
Which do nothing since they're not enabled by the driver. But they
definitely shouldn't fail -- not all drivers will support this.
>
>> > 8 files changed, 228 insertions(+)
>> >
>> > diff --git a/docs/GL3.txt b/docs/GL3.txt
>> > index 4c07733..5f310f3 100644
>> > --- a/docs/GL3.txt
>> > +++ b/docs/GL3.txt
>> > @@ -183,6 +183,7 @@ GL 4.4, GLSL 4.40:
>> > GL_ARB_texture_mirror_clamp_to_edge DONE (i965, nv30, nv50, nvc0, r300, r600, radeonsi, swrast, llvmpipe, softpipe)
>> > GL_ARB_texture_stencil8 not started
>> > GL_ARB_vertex_type_10f_11f_11f_rev DONE (i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe)
>> > + GL_ARB_pipeline_statistics_query most of i965 is done
>>
>> I see no mention of this in the GL4.5 core spec, which likely means
>> it's not in the 4.4 one either. I believe GL3.txt only lists the
>> extensions that are required for a particular GL version.
>
> I wasn't really sure how this is done. I based it off of the blurb in the
> extension:
>
> The extension is written against the OpenGL 4.4 Specification,
> Core Profile, March 19, 2014.
Yeah, that's because extensions are written as diff's. This just tells
you what it's diffing against.
>
>>
>> >
>> > GL 4.5, GLSL 4.50:
>> >
>> > diff --git a/src/mapi/glapi/gen/GL4x.xml b/src/mapi/glapi/gen/GL4x.xml
>> > index 848316e..4a1c172 100644
>> > --- a/src/mapi/glapi/gen/GL4x.xml
>> > +++ b/src/mapi/glapi/gen/GL4x.xml
>> > @@ -44,4 +44,18 @@
>> > <enum name="DEPTH_STENCIL_TEXTURE_MODE" value="0x90EA"/>
>> > </category>
>> >
>> > +<category name="4.4">
>> > + <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"/>
>> > +</category>
>>
>> Normally these get added to a separate ARB_foo_extension.xml document...
>>
>> > +
>> > </OpenGLAPI>
>> > diff --git a/src/mesa/drivers/dri/i965/gen6_queryobj.c b/src/mesa/drivers/dri/i965/gen6_queryobj.c
>> > index 130236e..7d03e1f 100644
>> > --- a/src/mesa/drivers/dri/i965/gen6_queryobj.c
>> > +++ b/src/mesa/drivers/dri/i965/gen6_queryobj.c
>> > @@ -109,6 +109,73 @@ write_xfb_primitives_written(struct brw_context *brw,
>> > }
>> > }
>> >
>> > +static inline const int
>> > +pipeline_target_to_index(int target)
>> > +{
>> > + if (target == GL_GEOMETRY_SHADER_INVOCATIONS)
>> > + return MAX_PIPELINE_STATISTICS - 1;
>> > + else
>> > + return target - GL_VERTICES_SUBMITTED_ARB;
>> > +}
>> > +
>> > +static void
>> > +emit_pipeline_stat(struct brw_context *brw, drm_intel_bo *bo,
>> > + int stream, int target, int idx)
>> > +{
>> > + /*
>> > + * There are 2 confusing parts to implementing the various target. The first is
>> > + * the distinction between vertices submitted and primitives submitted. The
>> > + * spec tries to clear this up, and luckily our hardware seems to understand
>> > + * it:
>> > + *
>> > + * (8) What stage the VERTICES_SUBMITTED_ARB and PRIMITIVES_SUBMITTED_ARB
>> > + * belong to? What do they count?
>> > + *
>> > + * DISCUSSION: There is no separate pipeline stage introduced in the
>> > + * specification that matches D3D's "input assembler" stage. While the
>> > + * latest version of the GL specification mentions a "vertex puller" stage
>> > + * in the pipeline diagram, this stage does not have a corresponding chapter
>> > + * in the specification that introduces it.
>> > + *
>> > + * RESOLVED: Introduce VERTICES_SUBMITTED_ARB and PRIMITIVES_SUBMITTED_ARB
>> > + * in chapter 10, Vertex Specification and Drawing Command. They count the
>> > + * total number of vertices and primitives processed by the GL. Including
>> > + * multiple instances.
>> > + *
>> > + * The second confusion is the tessellation shader statistics. Our hardware has
>> > + * no statistics specific to the TE unit. Ideally we could have the HS
>> > + * primitives for TESS_CONTROL_SHADER_PATCHES_ARB, and the DS invocations as
>> > + * the register for TESS_CONTROL_SHADER_PATCHES_ARB. Unfortunately we don't
>> > + * have HS primitives, we only have HS invocations.
>> > + */
>> > +
>> > + /* Everything except GEOMETRY_SHADER_INVOCATIONS can be kept in a simple
>> > + * lookup table */
>> > + const uint32_t target_to_register[] = {
>> > + IA_VERTICES_COUNT, /* VERTICES_SUBMITTED */
>> > + IA_PRIMITIVES_COUNT, /* PRIMITIVES_SUBMITTED */
>> > + VS_INVOCATION_COUNT, /* VERTEX_SHADER_INVOCATIONS */
>> > + 0, /* HS_INVOCATION_COUNT,*/ /* TESS_CONTROL_SHADER_PATCHES */
>> > + 0, /* DS_INVOCATION_COUNT,*/ /* TESS_EVALUATION_SHADER_INVOCATIONS */
>> > + GS_PRIMITIVES_COUNT, /* GEOMETRY_SHADER_PRIMITIVES_EMITTED */
>> > + PS_INVOCATION_COUNT, /* FRAGMENT_SHADER_INVOCATIONS */
>> > + 0, /* COMPUTE_SHADER_INVOCATIONS */
>> > + CL_INVOCATION_COUNT, /* CLIPPING_INPUT_PRIMITIVES */
>> > + CL_PRIMITIVES_COUNT, /* CLIPPING_OUTPUT_PRIMITIVES */
>> > + GS_INVOCATION_COUNT /* This one is special... */
>> > + };
>> > + STATIC_ASSERT(ARRAY_SIZE(target_to_register) == MAX_PIPELINE_STATISTICS);
>> > + uint32_t reg = target_to_register[pipeline_target_to_index(target)];
>> > + assert(reg != 0);
>> > +
>> > + /* Emit a flush to make sure various parts of the pipeline are complete and
>> > + * we get an accurate value */
>> > + intel_batchbuffer_emit_mi_flush(brw);
>> > +
>> > + brw_store_register_mem64(brw, bo, reg, idx);
>> > +}
>> > +
>> > +
>> > /**
>> > * Wait on the query object's BO and calculate the final result.
>> > */
>> > @@ -182,9 +249,24 @@ gen6_queryobj_get_results(struct gl_context *ctx,
>> >
>> > case GL_PRIMITIVES_GENERATED:
>> > case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
>> > + case GL_VERTICES_SUBMITTED_ARB:
>> > + case GL_PRIMITIVES_SUBMITTED_ARB:
>> > + case GL_VERTEX_SHADER_INVOCATIONS_ARB:
>> > + case GL_GEOMETRY_SHADER_INVOCATIONS:
>> > + case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
>> > + case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
>> > + case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
>> > query->Base.Result = results[1] - results[0];
>> > break;
>> >
>> > + case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
>> > + /* Off by 4 in the hardware */
>> > + query->Base.Result = (results[1] - results[0]) / 4;
>> > + break;
>> > +
>> > + case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
>> > + case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
>> > + case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
>> > default:
>> > unreachable("Unrecognized query target in brw_queryobj_get_results()");
>> > }
>> > @@ -251,6 +333,20 @@ gen6_begin_query(struct gl_context *ctx, struct gl_query_object *q)
>> > write_xfb_primitives_written(brw, query->bo, query->Base.Stream, 0);
>> > break;
>> >
>> > + case GL_VERTICES_SUBMITTED_ARB:
>> > + case GL_PRIMITIVES_SUBMITTED_ARB:
>> > + case GL_VERTEX_SHADER_INVOCATIONS_ARB:
>> > + case GL_GEOMETRY_SHADER_INVOCATIONS:
>> > + case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
>> > + case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
>> > + case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
>> > + case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
>> > + emit_pipeline_stat(brw, query->bo, query->Base.Stream, query->Base.Target, 0);
>> > + break;
>> > +
>> > + case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
>> > + case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
>> > + case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
>> > default:
>> > unreachable("Unrecognized query target in brw_begin_query()");
>> > }
>> > @@ -289,6 +385,26 @@ gen6_end_query(struct gl_context *ctx, struct gl_query_object *q)
>> > write_xfb_primitives_written(brw, query->bo, query->Base.Stream, 1);
>> > break;
>> >
>> > + case GL_VERTICES_SUBMITTED_ARB:
>> > + case GL_PRIMITIVES_SUBMITTED_ARB:
>> > + case GL_VERTEX_SHADER_INVOCATIONS_ARB:
>> > + case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
>> > + case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
>> > + case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
>> > + case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
>> > + case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
>> > + case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
>> > + case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
>> > + emit_pipeline_stat(brw, query->bo,
>> > + query->Base.Stream, query->Base.Target, 1);
>> > + break;
>> > + case GL_GEOMETRY_SHADER_INVOCATIONS:
>> > + /* GEOMETRY_SHADER_INVOCATIONS has a weirdly numbered target */
>> > + emit_pipeline_stat(brw, query->bo, query->Base.Stream,
>> > + GL_VERTICES_SUBMITTED_ARB + MAX_PIPELINE_STATISTICS - 1,
>> > + 1);
>> > + break;
>> > +
>> > default:
>> > unreachable("Unrecognized query target in brw_end_query()");
>> > }
>> > diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
>> > index bbbb76f..a3645b9 100644
>> > --- a/src/mesa/drivers/dri/i965/intel_extensions.c
>> > +++ b/src/mesa/drivers/dri/i965/intel_extensions.c
>> > @@ -186,6 +186,7 @@ intelInitExtensions(struct gl_context *ctx)
>> > ctx->Extensions.ARB_map_buffer_range = true;
>> > ctx->Extensions.ARB_occlusion_query = true;
>> > ctx->Extensions.ARB_occlusion_query2 = true;
>> > + ctx->Extensions.ARB_pipeline_statistics_query = true;
>> > ctx->Extensions.ARB_point_sprite = true;
>> > ctx->Extensions.ARB_seamless_cube_map = true;
>> > ctx->Extensions.ARB_shader_bit_encoding = true;
>> > diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
>> > index 4ec4b75..50e87fa 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 0df04c2..997c774 100644
>> > --- a/src/mesa/main/extensions.c
>> > +++ b/src/mesa/main/extensions.c
>> > @@ -133,6 +133,7 @@ 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 7389baa..24cb21e 100644
>> > --- a/src/mesa/main/mtypes.h
>> > +++ b/src/mesa/main/mtypes.h
>> > @@ -3053,6 +3053,9 @@ 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][MAX_VERTEX_STREAMS];
>> > +
>> > GLenum CondRenderMode;
>> > };
>> >
>> > @@ -3439,6 +3442,17 @@ 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 */
>> > @@ -3735,6 +3749,7 @@ 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..4590dbe 100644
>> > --- a/src/mesa/main/queryobj.c
>> > +++ b/src/mesa/main/queryobj.c
>> > @@ -142,6 +142,15 @@ _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,
>> > + GLuint index)
>> > +{
>> > + const int which = target - GL_VERTICES_SUBMITTED_ARB;
>> > + assert(which < MAX_PIPELINE_STATISTICS);
>> > + return &ctx->Query.pipeline_stats[which][index];
>> > +}
>> >
>> > /**
>> > * Return pointer to the query object binding point for the given target and
>> > @@ -183,6 +192,41 @@ 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:
>> > + if (ctx->Extensions.ARB_pipeline_statistics_query)
>> > + return get_pipe_stats_binding_point(ctx, target, index);
>> > + else
>> > + return NULL;
>> > +
>> > + 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;
>>
>> It's most common to add a /* fallthrough */ to indicate that it was on purpose.
>>
>> > + case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
>> > + if (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4)
>> > + return get_pipe_stats_binding_point(ctx, target, index);
>> > + else
>> > + return NULL;
>> > +
>> > +#if 0 /* Not yet testable */
>> > + 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, index);
>> > + else
>> > + return NULL;
>> > +
>> > + case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
>> > + if (ctx->Version >= 43 || ctx->Extensions.ARB_compute_shader)
>> > + return get_pipe_stats_binding_point(ctx, target, index);
>> > + return NULL;
>> > +#endif
>> > +
>> > default:
>> > return NULL;
>> > }
>> > @@ -553,6 +597,39 @@ _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)",
>> > --
>> > 2.1.3
>> >
>> > _______________________________________________
>> > mesa-dev mailing list
>> > mesa-dev at lists.freedesktop.org
>> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
> --
> Ben Widawsky, Intel Open Source Technology Center
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