shader-db results BDW: total instructions in shared programs: 13192895 -> 13182437 (-0.08%) instructions in affected programs: 827145 -> 816687 (-1.26%) helped: 5199 HURT: 116
total cycles in shared programs: 539249342 -> 539156566 (-0.02%) cycles in affected programs: 21894552 -> 21801776 (-0.42%) helped: 10667 HURT: 7196 LOST: 0 GAINED: 17 --- src/mesa/drivers/dri/i965/brw_link.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp index 465cab767d..e9cf88dc86 100644 --- a/src/mesa/drivers/dri/i965/brw_link.cpp +++ b/src/mesa/drivers/dri/i965/brw_link.cpp @@ -297,40 +297,47 @@ brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg) if (shProg->_LinkedShaders[i] == NULL) continue; brw_nir_link_shaders(compiler, &shProg->_LinkedShaders[i]->Program->nir, &shProg->_LinkedShaders[next]->Program->nir); next = i; } } + int prev = -1; for (stage = 0; stage < ARRAY_SIZE(shProg->_LinkedShaders); stage++) { struct gl_linked_shader *shader = shProg->_LinkedShaders[stage]; if (!shader) continue; struct gl_program *prog = shader->Program; brw_shader_gather_info(prog->nir, prog); NIR_PASS_V(prog->nir, nir_lower_samplers, shProg); NIR_PASS_V(prog->nir, nir_lower_atomics, shProg); if (brw->ctx.Cache) { struct blob writer; blob_init(&writer); nir_serialize(&writer, prog->nir); prog->driver_cache_blob = ralloc_size(NULL, writer.size); memcpy(prog->driver_cache_blob, writer.data, writer.size); prog->driver_cache_blob_size = writer.size; } + if (brw->screen->devinfo.gen >= 8 && prev != -1) { + nir_compact_varyings(shProg->_LinkedShaders[prev]->Program->nir, + prog->nir, ctx->API != API_OPENGL_COMPAT); + } + prev = stage; + infos[stage] = &prog->nir->info; /* Make a pass over the IR to add state references for any built-in * uniforms that are used. This has to be done now (during linking). * Code generation doesn't happen until the first time this shader is * used for rendering. Waiting until then to generate the parameters is * too late. At that point, the values for the built-in uniforms won't * get sent to the shader. */ nir_foreach_variable(var, &prog->nir->uniforms) { -- 2.14.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev