From a112391d52a458c588b8770cbf1ca9fce8863b79 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 5 Apr 2016 15:43:48 -0700 Subject: [PATCH] i965/vec4: Handle MOV_INDIRECT in pack_uniform_registers Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_vec4.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index e2aa1097347..6433fc55067 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp @@ -574,6 +574,24 @@ vec4_visitor::pack_uniform_registers() BRW_GET_SWZ(inst->src[i].swizzle, c) + 1); } } + + if (inst->opcode == SHADER_OPCODE_MOV_INDIRECT && + inst->src[0].file == UNIFORM) { + assert(inst->src[2].file == BRW_IMMEDIATE_VALUE); + assert(inst->src[0].subnr == 0); + + unsigned bytes_read = inst->src[2].ud; + assert(bytes_read % 4 == 0); + unsigned vec4s_read = DIV_ROUND_UP(bytes_read, 16); + + /* We just mark every register touched by a MOV_INDIRECT as being + * fully used. This ensures that it doesn't broken up piecewise by + * the next part of our packing algorithm. + */ + int reg = inst->src[0].nr; + for (unsigned i = 0; i < vec4s_read; i++) + chans_used[reg + i] = 4; + } } int new_uniform_count = 0; -- 2.30.2