[Mesa-dev] [PATCH v2 9/9] nvc0: Enable ARB_shader_ballot on Kepler+

[Ilia Mirkin]

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

On Sun, Apr 9, 2017 at 8:58 PM, Boyan Ding <boyan.j.ding at gmail.com> wrote:
> readInvocationARB() and readFirstInvocationARB() need SHFL.IDX
> instruction which is introduced in Kepler.
> ---
>  docs/features.txt                              | 2 +-
>  docs/relnotes/17.1.0.html                      | 2 +-
>  src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 3 ++-
>  3 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/docs/features.txt b/docs/features.txt
> index edc56842b9..a2d7785827 100644
> --- a/docs/features.txt
> +++ b/docs/features.txt
> @@ -292,7 +292,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
>    GL_ARB_sample_locations                               not started
>    GL_ARB_seamless_cubemap_per_texture                   DONE (i965, nvc0, radeonsi, r600, softpipe, swr)
>    GL_ARB_shader_atomic_counter_ops                      DONE (i965/gen7+, nvc0, radeonsi, softpipe)
> -  GL_ARB_shader_ballot                                  DONE (radeonsi)
> +  GL_ARB_shader_ballot                                  DONE (nvc0, radeonsi)
>    GL_ARB_shader_clock                                   DONE (i965/gen7+, nv50, nvc0, radeonsi)
>    GL_ARB_shader_draw_parameters                         DONE (i965, nvc0, radeonsi)
>    GL_ARB_shader_group_vote                              DONE (nvc0, radeonsi)
> diff --git a/docs/relnotes/17.1.0.html b/docs/relnotes/17.1.0.html
> index 0a5cabe4f1..8f237ed527 100644
> --- a/docs/relnotes/17.1.0.html
> +++ b/docs/relnotes/17.1.0.html
> @@ -45,7 +45,7 @@ Note: some of the new features are only available with certain drivers.
>
>  <ul>
>  <li>GL_ARB_gpu_shader_int64 on i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe</li>
> -<li>GL_ARB_shader_ballot on radeonsi</li>
> +<li>GL_ARB_shader_ballot on nvc0, radeonsi</li>
>  <li>GL_ARB_shader_clock on nv50, nvc0, radeonsi</li>
>  <li>GL_ARB_shader_group_vote on radeonsi</li>
>  <li>GL_ARB_sparse_buffer on radeonsi/CIK+</li>
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index 7ef9bf9c9c..8c6712a121 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -259,6 +259,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
>        return class_3d >= NVE4_3D_CLASS; /* needs testing on fermi */
>     case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
>        return class_3d >= GM200_3D_CLASS;
> +   case PIPE_CAP_TGSI_BALLOT:
> +      return class_3d >= NVE4_3D_CLASS;
>
>     /* unsupported caps */
>     case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
> @@ -289,7 +291,6 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
>     case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
>     case PIPE_CAP_INT64_DIVMOD:
>     case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
> -   case PIPE_CAP_TGSI_BALLOT:
>        return 0;
>
>     case PIPE_CAP_VENDOR_ID:
> --
> 2.12.1
>
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