From: Jason Ekstrand Date: Fri, 12 Sep 2014 05:33:52 +0000 (-0700) Subject: i965/fs: Better guess the width of LOAD_PAYLOAD X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6ba31cc000b096a3b1fe0e0a935a3ab2aa6803d2;p=mesa.git i965/fs: Better guess the width of LOAD_PAYLOAD Signed-off-by: Jason Ekstrand Reviewed-by: Matt Turner --- diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index ad61b33b754..3eb429f51ee 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -337,8 +337,15 @@ fs_visitor::CMP(fs_reg dst, fs_reg src0, fs_reg src1, fs_inst * fs_visitor::LOAD_PAYLOAD(const fs_reg &dst, fs_reg *src, int sources) { - fs_inst *inst = new(mem_ctx) fs_inst(SHADER_OPCODE_LOAD_PAYLOAD, dst, src, - sources); + uint8_t exec_size = dst.width; + for (int i = 0; i < sources; ++i) { + assert(src[i].width % dst.width == 0); + if (src[i].width > exec_size) + exec_size = src[i].width; + } + + fs_inst *inst = new(mem_ctx) fs_inst(SHADER_OPCODE_LOAD_PAYLOAD, exec_size, + dst, src, sources); inst->regs_written = 0; for (int i = 0; i < sources; ++i) { /* The LOAD_PAYLOAD instruction only really makes sense if we are