diff options
| author | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2017-09-15 16:52:23 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2017-09-16 13:18:43 +0200 |
| commit | 75d40eb81b806e8780906dbfb92b9eb2a0b40ccf (patch) | |
| tree | 8101e1b588d465f5f7df4d3bd98a83a41732397a | |
| parent | a91175c1064df08bb2942d0a51314197c74db0fa (diff) | |
st/glsl_to_tgsi: use LDEXP when available
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index cf6e8f8fde..196b547d3d 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -583,10 +583,10 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op, } else { /* some opcodes are special case in what they use as sources - - [FUI]2D/[UI]2I64 is a float/[u]int src0, DLDEXP is integer src1 */ + - [FUI]2D/[UI]2I64 is a float/[u]int src0, (D)LDEXP is integer src1 */ if (op == TGSI_OPCODE_F2D || op == TGSI_OPCODE_U2D || op == TGSI_OPCODE_I2D || op == TGSI_OPCODE_I2I64 || op == TGSI_OPCODE_U2I64 || - op == TGSI_OPCODE_DLDEXP || + op == TGSI_OPCODE_DLDEXP || op == TGSI_OPCODE_LDEXP || (op == TGSI_OPCODE_UCMP && dst_is_64bit[0])) { dinst->src[j].swizzle = MAKE_SWIZZLE4(swz, swz, swz, swz); } @@ -2032,6 +2032,8 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op) case ir_binop_ldexp: if (ir->operands[0]->type->is_double()) { emit_asm(ir, TGSI_OPCODE_DLDEXP, result_dst, op[0], op[1]); + } else if (ir->operands[0]->type->is_float()) { + emit_asm(ir, TGSI_OPCODE_LDEXP, result_dst, op[0], op[1]); } else { assert(!"Invalid ldexp for non-double opcode in glsl_to_tgsi_visitor::visit()"); } @@ -6711,6 +6713,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED); bool have_dfrexp = pscreen->get_shader_param(pscreen, ptarget, PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED); + bool have_ldexp = pscreen->get_shader_param(pscreen, ptarget, + PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED); unsigned if_threshold = pscreen->get_shader_param(pscreen, ptarget, PIPE_SHADER_CAP_LOWER_IF_THRESHOLD); @@ -6761,7 +6765,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) FDIV_TO_MUL_RCP | EXP_TO_EXP2 | LOG_TO_LOG2 | - LDEXP_TO_ARITH | + (have_ldexp ? 0 : LDEXP_TO_ARITH) | (have_dfrexp ? 0 : DFREXP_DLDEXP_TO_ARITH) | CARRY_TO_ARITH | BORROW_TO_ARITH | |