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glsl_to_tgsi: use TEX_LZ and TXF_LZ when available

This commit is contained in:
Marek Olšák 2017-03-07 02:26:47 +01:00
parent 46cbb00f53
commit a7cc9b0fcf
1 changed files with 20 additions and 6 deletions
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26
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -432,6 +432,7 @@ public:
bool have_sqrt;
bool have_fma;
bool use_shared_memory;
bool has_tex_txf_lz;
variable_storage *find_variable_storage(ir_variable *var);
@ -4190,9 +4191,13 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
}
break;
case ir_txl:
opcode = is_cube_array ? TGSI_OPCODE_TXL2 : TGSI_OPCODE_TXL;
ir->lod_info.lod->accept(this);
lod_info = this->result;
if (this->has_tex_txf_lz && ir->lod_info.lod->is_zero()) {
opcode = TGSI_OPCODE_TEX_LZ;
} else {
opcode = is_cube_array ? TGSI_OPCODE_TXL2 : TGSI_OPCODE_TXL;
ir->lod_info.lod->accept(this);
lod_info = this->result;
}
if (ir->offset) {
ir->offset->accept(this);
offset[0] = this->result;
@ -4220,9 +4225,13 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
levels_src = get_temp(ir->type);
break;
case ir_txf:
opcode = TGSI_OPCODE_TXF;
ir->lod_info.lod->accept(this);
lod_info = this->result;
if (this->has_tex_txf_lz && ir->lod_info.lod->is_zero()) {
opcode = TGSI_OPCODE_TXF_LZ;
} else {
opcode = TGSI_OPCODE_TXF;
ir->lod_info.lod->accept(this);
lod_info = this->result;
}
if (ir->offset) {
ir->offset->accept(this);
offset[0] = this->result;
@ -4559,6 +4568,7 @@ glsl_to_tgsi_visitor::glsl_to_tgsi_visitor()
have_sqrt = false;
have_fma = false;
use_shared_memory = false;
has_tex_txf_lz = false;
}
glsl_to_tgsi_visitor::~glsl_to_tgsi_visitor()
@ -5804,6 +5814,7 @@ compile_tgsi_instruction(struct st_translate *t,
return;
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TEX_LZ:
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXD:
case TGSI_OPCODE_TXL:
@ -5811,6 +5822,7 @@ compile_tgsi_instruction(struct st_translate *t,
case TGSI_OPCODE_TXQ:
case TGSI_OPCODE_TXQS:
case TGSI_OPCODE_TXF:
case TGSI_OPCODE_TXF_LZ:
case TGSI_OPCODE_TEX2:
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXL2:
@ -6664,6 +6676,8 @@ get_mesa_program_tgsi(struct gl_context *ctx,
PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED);
v->have_fma = pscreen->get_shader_param(pscreen, ptarget,
PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED);
v->has_tex_txf_lz = pscreen->get_param(pscreen,
PIPE_CAP_TGSI_TEX_TXF_LZ);
_mesa_generate_parameters_list_for_uniforms(shader_program, shader,
prog->Parameters);