SaschaWillems Vulkan demo tessellation: ~4000fps -> ~4600fps
Reviewed-by: Bas Nieuwenhuizen <[email protected]> --- src/amd/vulkan/radv_pipeline.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index 03a8bd8604..5f07040915 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -1824,20 +1824,21 @@ void radv_create_shaders(struct radv_pipeline *pipeline, unsigned first = MESA_SHADER_STAGES; unsigned last = 0; for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) { if (!pStages[i]) continue; if (first == MESA_SHADER_STAGES) first = i; last = i; } + int prev = -1; for (unsigned i = 0; i < MESA_SHADER_STAGES; ++i) { const VkPipelineShaderStageCreateInfo *stage = pStages[i]; if (!modules[i]) continue; nir[i] = radv_shader_compile_to_nir(device, modules[i], stage ? stage->pName : "main", i, stage ? stage->pSpecializationInfo : NULL); pipeline->active_stages |= mesa_to_vk_shader_stage(i); @@ -1854,20 +1855,25 @@ void radv_create_shaders(struct radv_pipeline *pipeline, if (i != first) mask = mask | nir_var_shader_in; if (i != last) mask = mask | nir_var_shader_out; nir_lower_io_to_scalar_early(nir[i], mask); radv_optimize_nir(nir[i]); } + + if (prev != -1) { + nir_compact_varyings(nir[prev], nir[i], true); + } + prev = i; } if (nir[MESA_SHADER_TESS_CTRL]) { nir_lower_tes_patch_vertices(nir[MESA_SHADER_TESS_EVAL], nir[MESA_SHADER_TESS_CTRL]->info.tess.tcs_vertices_out); } radv_link_shaders(pipeline, nir); for (int i = 0; i < MESA_SHADER_STAGES; ++i) { if (!(device->instance->debug_flags & RADV_DEBUG_DUMP_SHADERS)) -- 2.14.3 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
