Module: Mesa Branch: master Commit: 87e6866b043c6fcadc78f34929e48961b885003e URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=87e6866b043c6fcadc78f34929e48961b885003e
Author: Samuel Pitoiset <[email protected]> Date: Tue Sep 11 11:08:23 2018 +0200 radv: gather the number of streams used by geometry shaders This will be used for splitting the GS->VS ring buffer. The stream ID is always 0 for now. Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Dave Airlie <[email protected]> --- src/amd/vulkan/radv_shader.h | 1 + src/amd/vulkan/radv_shader_info.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+) diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h index 22423e5f99..465c8d160f 100644 --- a/src/amd/vulkan/radv_shader.h +++ b/src/amd/vulkan/radv_shader.h @@ -159,6 +159,7 @@ struct radv_shader_info { } vs; struct { uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; + uint8_t max_stream; } gs; struct { uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; diff --git a/src/amd/vulkan/radv_shader_info.c b/src/amd/vulkan/radv_shader_info.c index 6262acb1a6..00bc2ca5db 100644 --- a/src/amd/vulkan/radv_shader_info.c +++ b/src/amd/vulkan/radv_shader_info.c @@ -435,6 +435,17 @@ gather_info_output_decl_ps(const nir_shader *nir, const nir_variable *var, } static void +gather_info_output_decl_gs(const nir_shader *nir, const nir_variable *var, + struct radv_shader_info *info) +{ + unsigned stream = var->data.stream; + + assert(stream < 4); + + info->gs.max_stream = MAX2(info->gs.max_stream, stream); +} + +static void gather_info_output_decl(const nir_shader *nir, const nir_variable *var, struct radv_shader_info *info, const struct radv_nir_compiler_options *options) @@ -447,6 +458,9 @@ gather_info_output_decl(const nir_shader *nir, const nir_variable *var, if (options->key.vs.as_ls) gather_info_output_decl_ls(nir, var, info); break; + case MESA_SHADER_GEOMETRY: + gather_info_output_decl_gs(nir, var, info); + break; default: break; } _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
