diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 355f88ae9a4..7b917ebe47f 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -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); |