diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 380 |
1 files changed, 178 insertions, 202 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index a9ea8c82aba..3dac004c38e 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -268,7 +268,7 @@ public: this->size = size; this->type = type; } - + gl_constant_value values[4]; int size; /**< Number of components (1-4) */ int type; /**< GL_FLOAT, GL_INT, GL_BOOL, or GL_UNSIGNED_INT */ @@ -327,7 +327,7 @@ public: int num_address_regs; int samplers_used; bool indirect_addr_consts; - + int glsl_version; bool native_integers; bool have_sqrt; @@ -394,14 +394,14 @@ public: glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op); glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0); + st_dst_reg dst, st_src_reg src0); glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0, st_src_reg src1); + st_dst_reg dst, st_src_reg src0, st_src_reg src1); glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op, - st_dst_reg dst, - st_src_reg src0, st_src_reg src1, st_src_reg src2); + st_dst_reg dst, + st_src_reg src0, st_src_reg src1, st_src_reg src2); glsl_to_tgsi_instruction *emit(ir_instruction *ir, unsigned op, st_dst_reg dst, @@ -422,15 +422,15 @@ public: unsigned elements); void emit_scalar(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0); + st_dst_reg dst, st_src_reg src0); void emit_scalar(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0, st_src_reg src1); + st_dst_reg dst, st_src_reg src0, st_src_reg src1); void emit_arl(ir_instruction *ir, st_dst_reg dst, st_src_reg src0); void emit_scs(ir_instruction *ir, unsigned op, - st_dst_reg dst, const st_src_reg &src); + st_dst_reg dst, const st_src_reg &src); bool try_emit_mad(ir_expression *ir, int mul_operand); @@ -526,7 +526,7 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, { glsl_to_tgsi_instruction *inst = new(mem_ctx) glsl_to_tgsi_instruction(); int num_reladdr = 0, i; - + op = get_opcode(ir, op, dst, src0, src1); /* If we have to do relative addressing, we want to load the ARL @@ -560,7 +560,7 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, inst->dead_mask = 0; inst->function = NULL; - + /* Update indirect addressing status used by TGSI */ if (dst.reladdr) { switch(dst.file) { @@ -577,7 +577,7 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, } } else { - for (i=0; i<4; i++) { + for (i = 0; i < 4; i++) { if(inst->src[i].reladdr) { switch(inst->src[i].file) { case PROGRAM_STATE_VAR: @@ -610,14 +610,14 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, glsl_to_tgsi_instruction * glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0, st_src_reg src1) + st_dst_reg dst, st_src_reg src0, st_src_reg src1) { return emit(ir, op, dst, src0, src1, undef_src, undef_src); } glsl_to_tgsi_instruction * glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0) + st_dst_reg dst, st_src_reg src0) { assert(dst.writemask != 0); return emit(ir, op, dst, src0, undef_src, undef_src, undef_src); @@ -630,13 +630,13 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op) } /** - * Determines whether to use an integer, unsigned integer, or float opcode + * Determines whether to use an integer, unsigned integer, or float opcode * based on the operands and input opcode, then emits the result. */ unsigned glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op, - st_dst_reg dst, - st_src_reg src0, st_src_reg src1) + st_dst_reg dst, + st_src_reg src0, st_src_reg src1) { int type = GLSL_TYPE_FLOAT; @@ -703,15 +703,15 @@ glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op, case2iu(IMUL_HI, UMUL_HI); default: break; } - + assert(op != TGSI_OPCODE_LAST); return op; } glsl_to_tgsi_instruction * glsl_to_tgsi_visitor::emit_dp(ir_instruction *ir, - st_dst_reg dst, st_src_reg src0, st_src_reg src1, - unsigned elements) + st_dst_reg dst, st_src_reg src0, st_src_reg src1, + unsigned elements) { static const unsigned dot_opcodes[] = { TGSI_OPCODE_DP2, TGSI_OPCODE_DP3, TGSI_OPCODE_DP4 @@ -730,8 +730,8 @@ glsl_to_tgsi_visitor::emit_dp(ir_instruction *ir, */ void glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op, - st_dst_reg dst, - st_src_reg orig_src0, st_src_reg orig_src1) + st_dst_reg dst, + st_src_reg orig_src0, st_src_reg orig_src1) { int i, j; int done_mask = ~dst.writemask; @@ -763,9 +763,9 @@ glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op, } } src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz, - src0_swiz, src0_swiz); + src0_swiz, src0_swiz); src1.swizzle = MAKE_SWIZZLE4(src1_swiz, src1_swiz, - src1_swiz, src1_swiz); + src1_swiz, src1_swiz); inst = emit(ir, op, dst, src0, src1); inst->dst.writemask = this_mask; @@ -775,7 +775,7 @@ glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op, void glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op, - st_dst_reg dst, st_src_reg src0) + st_dst_reg dst, st_src_reg src0) { st_src_reg undef = undef_src; @@ -786,7 +786,7 @@ glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op, void glsl_to_tgsi_visitor::emit_arl(ir_instruction *ir, - st_dst_reg dst, st_src_reg src0) + st_dst_reg dst, st_src_reg src0) { int op = TGSI_OPCODE_ARL; @@ -804,20 +804,20 @@ glsl_to_tgsi_visitor::emit_arl(ir_instruction *ir, * Emit an TGSI_OPCODE_SCS instruction * * The \c SCS opcode functions a bit differently than the other TGSI opcodes. - * Instead of splatting its result across all four components of the - * destination, it writes one value to the \c x component and another value to + * Instead of splatting its result across all four components of the + * destination, it writes one value to the \c x component and another value to * the \c y component. * * \param ir IR instruction being processed - * \param op Either \c TGSI_OPCODE_SIN or \c TGSI_OPCODE_COS depending + * \param op Either \c TGSI_OPCODE_SIN or \c TGSI_OPCODE_COS depending * on which value is desired. * \param dst Destination register * \param src Source register */ void glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op, - st_dst_reg dst, - const st_src_reg &src) + st_dst_reg dst, + const st_src_reg &src) { /* Vertex programs cannot use the SCS opcode. */ @@ -856,7 +856,7 @@ glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op, unsigned src0_swiz = GET_SWZ(src.swizzle, i); src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz, - src0_swiz, src0_swiz); + src0_swiz, src0_swiz); for (unsigned j = i + 1; j < 4; j++) { /* If there is another enabled component in the destination that is * derived from the same inputs, generate its value on this pass as @@ -881,7 +881,7 @@ glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op, * the destination. */ tmp.swizzle = MAKE_SWIZZLE4(component, component, - component, component); + component, component); inst = emit(ir, TGSI_OPCODE_SCS, dst, tmp); inst->dst.writemask = this_mask; } else { @@ -897,8 +897,8 @@ glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op, int glsl_to_tgsi_visitor::add_constant(gl_register_file file, - gl_constant_value values[4], int size, int datatype, - GLuint *swizzle_out) + gl_constant_value values[4], int size, int datatype, + GLuint *swizzle_out) { if (file == PROGRAM_CONSTANT) { return _mesa_add_typed_unnamed_constant(this->prog->Parameters, values, @@ -919,7 +919,7 @@ glsl_to_tgsi_visitor::add_constant(gl_register_file file, } index++; } - + /* Add this immediate to the list. */ entry = new(mem_ctx) immediate_storage(values, size, datatype); this->immediates.push_tail(entry); @@ -945,7 +945,7 @@ glsl_to_tgsi_visitor::st_src_reg_for_int(int val) { st_src_reg src(PROGRAM_IMMEDIATE, -1, GLSL_TYPE_INT); union gl_constant_value uval; - + assert(native_integers); uval.i = val; @@ -958,7 +958,7 @@ st_src_reg glsl_to_tgsi_visitor::st_src_reg_for_type(int type, int val) { if (native_integers) - return type == GLSL_TYPE_FLOAT ? st_src_reg_for_float(val) : + return type == GLSL_TYPE_FLOAT ? st_src_reg_for_float(val) : st_src_reg_for_int(val); else return st_src_reg_for_float(val); @@ -1050,7 +1050,7 @@ glsl_to_tgsi_visitor::get_temp(const glsl_type *type) variable_storage * glsl_to_tgsi_visitor::find_variable_storage(ir_variable *var) { - + foreach_in_list(variable_storage, entry, &this->variables) { if (entry->var == var) return entry; @@ -1111,7 +1111,7 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir) for (unsigned int i = 0; i < ir->get_num_state_slots(); i++) { int index = _mesa_add_state_reference(this->prog->Parameters, - (gl_state_index *)slots[i].tokens); + (gl_state_index *)slots[i].tokens); if (storage->file == PROGRAM_STATE_VAR) { if (storage->index == -1) { @@ -1120,11 +1120,11 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir) assert(index == storage->index + (int)i); } } else { - /* We use GLSL_TYPE_FLOAT here regardless of the actual type of - * the data being moved since MOV does not care about the type of - * data it is moving, and we don't want to declare registers with - * array or struct types. - */ + /* We use GLSL_TYPE_FLOAT here regardless of the actual type of + * the data being moved since MOV does not care about the type of + * data it is moving, and we don't want to declare registers with + * array or struct types. + */ st_src_reg src(PROGRAM_STATE_VAR, index, GLSL_TYPE_FLOAT); src.swizzle = slots[i].swizzle; emit(ir, TGSI_OPCODE_MOV, dst, src); @@ -1136,9 +1136,9 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir) if (storage->file == PROGRAM_TEMPORARY && dst.index != storage->index + (int) ir->get_num_state_slots()) { fail_link(this->shader_program, - "failed to load builtin uniform `%s' (%d/%d regs loaded)\n", - ir->name, dst.index - storage->index, - type_size(ir->type)); + "failed to load builtin uniform `%s' (%d/%d regs loaded)\n", + ir->name, dst.index - storage->index, + type_size(ir->type)); } } } @@ -1262,7 +1262,7 @@ glsl_to_tgsi_visitor::try_emit_mad_for_and_not(ir_expression *ir, int try_operan void glsl_to_tgsi_visitor::reladdr_to_temp(ir_instruction *ir, - st_src_reg *reg, int *num_reladdr) + st_src_reg *reg, int *num_reladdr) { if (!reg->reladdr && !reg->reladdr2) return; @@ -1301,9 +1301,9 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) */ if (!native_integers && ir->operation == ir_binop_logic_and) { if (try_emit_mad_for_and_not(ir, 1)) - return; + return; if (try_emit_mad_for_and_not(ir, 0)) - return; + return; } if (ir->operation == ir_quadop_vector) @@ -1329,7 +1329,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) int vector_elements = ir->operands[0]->type->vector_elements; if (ir->operands[1]) { vector_elements = MAX2(vector_elements, - ir->operands[1]->type->vector_elements); + ir->operands[1]->type->vector_elements); } this->result.file = PROGRAM_UNDEFINED; @@ -1501,13 +1501,13 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) st_src_reg temp = get_temp(native_integers ? glsl_type::get_instance(ir->operands[0]->type->base_type, 4, 1) : glsl_type::vec4_type); - + if (native_integers) { st_dst_reg temp_dst = st_dst_reg(temp); st_src_reg temp1 = st_src_reg(temp), temp2 = st_src_reg(temp); - + emit(ir, TGSI_OPCODE_SEQ, st_dst_reg(temp), op[0], op[1]); - + /* Emit 1-3 AND operations to combine the SEQ results. */ switch (ir->operands[0]->type->vector_elements) { case 2: @@ -1528,13 +1528,13 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) temp2.swizzle = SWIZZLE_WWWW; emit(ir, TGSI_OPCODE_AND, temp_dst, temp1, temp2); } - + temp1.swizzle = SWIZZLE_XXXX; temp2.swizzle = SWIZZLE_YYYY; emit(ir, TGSI_OPCODE_AND, result_dst, temp1, temp2); } else { emit(ir, TGSI_OPCODE_SNE, st_dst_reg(temp), op[0], op[1]); - + /* After the dot-product, the value will be an integer on the * range [0,4]. Zero becomes 1.0, and positive values become zero. */ @@ -1564,7 +1564,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) if (native_integers) { st_dst_reg temp_dst = st_dst_reg(temp); st_src_reg temp1 = st_src_reg(temp), temp2 = st_src_reg(temp); - + /* Emit 1-3 OR operations to combine the SNE results. */ switch (ir->operands[0]->type->vector_elements) { case 2: @@ -1585,7 +1585,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) temp2.swizzle = SWIZZLE_WWWW; emit(ir, TGSI_OPCODE_OR, temp_dst, temp1, temp2); } - + temp1.swizzle = SWIZZLE_XXXX; temp2.swizzle = SWIZZLE_YYYY; emit(ir, TGSI_OPCODE_OR, result_dst, temp1, temp2); @@ -1707,7 +1707,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) case ir_binop_logic_or: { if (native_integers) { - /* If integers are used as booleans, we can use an actual "or" + /* If integers are used as booleans, we can use an actual "or" * instruction. */ assert(native_integers); @@ -1757,8 +1757,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) case ir_unop_sqrt: if (have_sqrt) { emit_scalar(ir, TGSI_OPCODE_SQRT, result_dst, op[0]); - } - else { + } else { /* sqrt(x) = x * rsq(x). */ emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]); emit(ir, TGSI_OPCODE_MUL, result_dst, result_src, op[0]); @@ -1796,7 +1795,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) */ emit(ir, TGSI_OPCODE_AND, result_dst, op[0], st_src_reg_for_int(1)); } else { - /* Booleans and integers are both stored as floats when native + /* Booleans and integers are both stored as floats when native * integers are disabled. */ result_src = op[0]; @@ -1914,7 +1913,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) cbuf.index = 0; cbuf.reladdr = NULL; cbuf.negate = 0; - + assert(ir->type->is_vector() || ir->type->is_scalar()); if (const_offset_ir) { @@ -2092,7 +2091,7 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir) switch (var->data.mode) { case ir_var_uniform: entry = new(mem_ctx) variable_storage(var, PROGRAM_UNIFORM, - var->data.location); + var->data.location); this->variables.push_tail(entry); break; case ir_var_shader_in: @@ -2510,7 +2509,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir) ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir && type_size(ir->lhs->type) == 1 && l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst.writemask) { - /* To avoid emitting an extra MOV when assigning an expression to a + /* To avoid emitting an extra MOV when assigning an expression to a * variable, emit the last instruction of the expression again, but * replace the destination register with the target of the assignment. * Dead code elimination will remove the original instruction. @@ -2812,7 +2811,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) switch (ir->op) { case ir_tex: - opcode = (is_cube_array && ir->shadow_comparitor) ? TGSI_OPCODE_TEX2 : TGSI_OPCODE_TEX; + opcode = (is_cube_array && ir->shadow_comparitor) ? TGSI_OPCODE_TEX2 : TGSI_OPCODE_TEX; if (ir->offset) { ir->offset->accept(this); offset[0] = this->result; @@ -2932,8 +2931,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) tmp_src = get_temp(glsl_type::vec4_type); st_dst_reg tmp_dst = st_dst_reg(tmp_src); - /* Projective division not allowed for array samplers. */ - assert(!sampler_type->sampler_array); + /* Projective division not allowed for array samplers. */ + assert(!sampler_type->sampler_array); tmp_dst.writemask = WRITEMASK_Z; emit(ir, TGSI_OPCODE_MOV, tmp_dst, this->result); @@ -2975,7 +2974,6 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) } else { coord_dst.writemask = WRITEMASK_Z; } - emit(ir, TGSI_OPCODE_MOV, coord_dst, this->result); coord_dst.writemask = WRITEMASK_XYZW; } @@ -3225,7 +3223,6 @@ count_resources(glsl_to_tgsi_visitor *v, gl_program *prog) } } } - prog->SamplersUsed = v->samplers_used; if (v->shader_program != NULL) @@ -3264,9 +3261,9 @@ get_src_arg_mask(st_dst_reg dst, st_src_reg src) * Here is why this conversion is safe: * CMP T0, T1 T2 T0 can be expanded to: * if (T1 < 0.0) - * MOV T0, T2; + * MOV T0, T2; * else - * MOV T0, T0; + * MOV T0, T0; * * If (T1 < 0.0) evaluates to true then our replacement MOV T0, T2 is the same * as the original program. If (T1 < 0.0) evaluates to false, executing @@ -3343,21 +3340,21 @@ glsl_to_tgsi_visitor::rename_temp_register(int index, int new_index) { foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { unsigned j; - - for (j=0; j < num_inst_src_regs(inst->op); j++) { - if (inst->src[j].file == PROGRAM_TEMPORARY && + + for (j = 0; j < num_inst_src_regs(inst->op); j++) { + if (inst->src[j].file == PROGRAM_TEMPORARY && inst->src[j].index == index) { inst->src[j].index = new_index; } } - for (j=0; j < inst->tex_offset_num_offset; j++) { - if (inst->tex_offsets[j].file == PROGRAM_TEMPORARY && + for (j = 0; j < inst->tex_offset_num_offset; j++) { + if (inst->tex_offsets[j].file == PROGRAM_TEMPORARY && inst->tex_offsets[j].index == index) { inst->tex_offsets[j].index = new_index; } } - + if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) { inst->dst.index = new_index; } @@ -3370,21 +3367,20 @@ glsl_to_tgsi_visitor::get_first_temp_read(int index) int depth = 0; /* loop depth */ int loop_start = -1; /* index of the first active BGNLOOP (if any) */ unsigned i = 0, j; - + foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { - for (j=0; j < num_inst_src_regs(inst->op); j++) { - if (inst->src[j].file == PROGRAM_TEMPORARY && + for (j = 0; j < num_inst_src_regs(inst->op); j++) { + if (inst->src[j].file == PROGRAM_TEMPORARY && inst->src[j].index == index) { return (depth == 0) ? i : loop_start; } } - for (j=0; j < inst->tex_offset_num_offset; j++) { - if (inst->tex_offsets[j].file == PROGRAM_TEMPORARY && + for (j = 0; j < inst->tex_offset_num_offset; j++) { + if (inst->tex_offsets[j].file == PROGRAM_TEMPORARY && inst->tex_offsets[j].index == index) { return (depth == 0) ? i : loop_start; } } - if (inst->op == TGSI_OPCODE_BGNLOOP) { if(depth++ == 0) loop_start = i; @@ -3393,10 +3389,8 @@ glsl_to_tgsi_visitor::get_first_temp_read(int index) loop_start = -1; } assert(depth >= 0); - i++; } - return -1; } @@ -3406,12 +3400,11 @@ glsl_to_tgsi_visitor::get_first_temp_write(int index) int depth = 0; /* loop depth */ int loop_start = -1; /* index of the first active BGNLOOP (if any) */ int i = 0; - + foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) { return (depth == 0) ? i : loop_start; } - if (inst->op == TGSI_OPCODE_BGNLOOP) { if(depth++ == 0) loop_start = i; @@ -3420,10 +3413,8 @@ glsl_to_tgsi_visitor::get_first_temp_write(int index) loop_start = -1; } assert(depth >= 0); - i++; } - return -1; } @@ -3433,30 +3424,27 @@ glsl_to_tgsi_visitor::get_last_temp_read(int index) int depth = 0; /* loop depth */ int last = -1; /* index of last instruction that reads the temporary */ unsigned i = 0, j; - + foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { - for (j=0; j < num_inst_src_regs(inst->op); j++) { - if (inst->src[j].file == PROGRAM_TEMPORARY && + for (j = 0; j < num_inst_src_regs(inst->op); j++) { + if (inst->src[j].file == PROGRAM_TEMPORARY && inst->src[j].index == index) { last = (depth == 0) ? i : -2; } } - for (j=0; j < inst->tex_offset_num_offset; j++) { + for (j = 0; j < inst->tex_offset_num_offset; j++) { if (inst->tex_offsets[j].file == PROGRAM_TEMPORARY && inst->tex_offsets[j].index == index) last = (depth == 0) ? i : -2; } - if (inst->op == TGSI_OPCODE_BGNLOOP) depth++; else if (inst->op == TGSI_OPCODE_ENDLOOP) if (--depth == 0 && last == -2) last = i; assert(depth >= 0); - i++; } - assert(last >= -1); return last; } @@ -3467,21 +3455,19 @@ glsl_to_tgsi_visitor::get_last_temp_write(int index) int depth = 0; /* loop depth */ int last = -1; /* index of last instruction that writes to the temporary */ int i = 0; - + foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) last = (depth == 0) ? i : -2; - + if (inst->op == TGSI_OPCODE_BGNLOOP) depth++; else if (inst->op == TGSI_OPCODE_ENDLOOP) if (--depth == 0 && last == -2) last = i; assert(depth >= 0); - i++; } - assert(last >= -1); return last; } @@ -3510,8 +3496,8 @@ void glsl_to_tgsi_visitor::copy_propagate(void) { glsl_to_tgsi_instruction **acp = rzalloc_array(mem_ctx, - glsl_to_tgsi_instruction *, - this->next_temp * 4); + glsl_to_tgsi_instruction *, + this->next_temp * 4); int *acp_level = rzalloc_array(mem_ctx, int, this->next_temp * 4); int level = 0; @@ -3551,8 +3537,8 @@ glsl_to_tgsi_visitor::copy_propagate(void) if (first->src[0].file != copy_chan->src[0].file || first->src[0].index != copy_chan->src[0].index || first->src[0].index2D != copy_chan->src[0].index2D) { - good = false; - break; + good = false; + break; } } } @@ -3570,8 +3556,7 @@ glsl_to_tgsi_visitor::copy_propagate(void) for (int i = 0; i < 4; i++) { int src_chan = GET_SWZ(inst->src[r].swizzle, i); glsl_to_tgsi_instruction *copy_inst = acp[acp_base + src_chan]; - swizzle |= (GET_SWZ(copy_inst->src[0].swizzle, src_chan) << - (3 * i)); + swizzle |= (GET_SWZ(copy_inst->src[0].swizzle, src_chan) << (3 * i)); } inst->src[r].swizzle = swizzle; } @@ -3597,10 +3582,10 @@ glsl_to_tgsi_visitor::copy_propagate(void) for (int r = 0; r < this->next_temp; r++) { for (int c = 0; c < 4; c++) { if (!acp[4 * r + c]) - continue; + continue; if (acp_level[4 * r + c] >= level) - acp[4 * r + c] = NULL; + acp[4 * r + c] = NULL; } } if (inst->op == TGSI_OPCODE_ENDIF) @@ -3617,44 +3602,42 @@ glsl_to_tgsi_visitor::copy_propagate(void) */ memset(acp, 0, sizeof(*acp) * this->next_temp * 4); } else if (inst->dst.file == PROGRAM_OUTPUT && - inst->dst.reladdr) { + inst->dst.reladdr) { /* Any output might be written, so no copy propagation * from outputs across this instruction. */ for (int r = 0; r < this->next_temp; r++) { for (int c = 0; c < 4; c++) { - if (!acp[4 * r + c]) - continue; + if (!acp[4 * r + c]) + continue; - if (acp[4 * r + c]->src[0].file == PROGRAM_OUTPUT) - acp[4 * r + c] = NULL; + if (acp[4 * r + c]->src[0].file == PROGRAM_OUTPUT) + acp[4 * r + c] = NULL; } } } else if (inst->dst.file == PROGRAM_TEMPORARY || - inst->dst.file == PROGRAM_OUTPUT) { + inst->dst.file == PROGRAM_OUTPUT) { /* Clear where it's used as dst. */ if (inst->dst.file == PROGRAM_TEMPORARY) { for (int c = 0; c < 4; c++) { - if (inst->dst.writemask & (1 << c)) { - acp[4 * inst->dst.index + c] = NULL; - } + if (inst->dst.writemask & (1 << c)) { + acp[4 * inst->dst.index + c] = NULL; + } } } /* Clear where it's used as src. */ for (int r = 0; r < this->next_temp; r++) { for (int c = 0; c < 4; c++) { - if (!acp[4 * r + c]) - continue; + if (!acp[4 * r + c]) + continue; - int src_chan = GET_SWZ(acp[4 * r + c]->src[0].swizzle, c); + int src_chan = GET_SWZ(acp[4 * r + c]->src[0].swizzle, c); - if (acp[4 * r + c]->src[0].file == inst->dst.file && - acp[4 * r + c]->src[0].index == inst->dst.index && - inst->dst.writemask & (1 << src_chan)) - { - acp[4 * r + c] = NULL; - } + if (acp[4 * r + c]->src[0].file == inst->dst.file && + acp[4 * r + c]->src[0].index == inst->dst.index && + inst->dst.writemask & (1 << src_chan)) + acp[4 * r + c] = NULL; } } } @@ -3689,7 +3672,7 @@ glsl_to_tgsi_visitor::copy_propagate(void) * code elimination. * * The glsl_to_tgsi_visitor lazily produces code assuming that this pass - * will occur. As an example, a TXP production after copy propagation but + * will occur. As an example, a TXP production after copy propagation but * before this pass: * * 0: MOV TEMP[1], INPUT[4].xyyy; @@ -3713,7 +3696,7 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void) foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) { assert(inst->dst.file != PROGRAM_TEMPORARY || inst->dst.index < this->next_temp); - + switch (inst->op) { case TGSI_OPCODE_BGNLOOP: case TGSI_OPCODE_ENDLOOP: @@ -3738,30 +3721,27 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void) for (int r = 0; r < this->next_temp; r++) { for (int c = 0; c < 4; c++) { if (!writes[4 * r + c]) - continue; + continue; if (write_level[4 * r + c] == level) - write_level[4 * r + c] = level-1; + write_level[4 * r + c] = level-1; } } - if(inst->op == TGSI_OPCODE_ENDIF) --level; - break; case TGSI_OPCODE_IF: case TGSI_OPCODE_UIF: ++level; /* fallthrough to default case to mark the condition as read */ - default: /* Continuing the block, clear any channels from the write array that * are read by this instruction. */ for (unsigned i = 0; i < Elements(inst->src); i++) { if (inst->src[i].file == PROGRAM_TEMPORARY && inst->src[i].reladdr){ - /* Any temporary might be read, so no dead code elimination + /* Any temporary might be read, so no dead code elimination * across this instruction. */ memset(writes, 0, sizeof(*writes) * this->next_temp * 4); @@ -3771,17 +3751,16 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void) src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 1); src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 2); src_chans |= 1 << GET_SWZ(inst->src[i].swizzle, 3); - + for (int c = 0; c < 4; c++) { - if (src_chans & (1 << c)) { - writes[4 * inst->src[i].index + c] = NULL; - } + if (src_chans & (1 << c)) + writes[4 * inst->src[i].index + c] = NULL; } } } for (unsigned i = 0; i < inst->tex_offset_num_offset; i++) { if (inst->tex_offsets[i].file == PROGRAM_TEMPORARY && inst->tex_offsets[i].reladdr){ - /* Any temporary might be read, so no dead code elimination + /* Any temporary might be read, so no dead code elimination * across this instruction. */ memset(writes, 0, sizeof(*writes) * this->next_temp * 4); @@ -3791,11 +3770,10 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void) src_chans |= 1 << GET_SWZ(inst->tex_offsets[i].swizzle, 1); src_chans |= 1 << GET_SWZ(inst->tex_offsets[i].swizzle, 2); src_chans |= 1 << GET_SWZ(inst->tex_offsets[i].swizzle, 3); - + for (int c = 0; c < 4; c++) { - if (src_chans & (1 << c)) { - writes[4 * inst->tex_offsets[i].index + c] = NULL; - } + if (src_chans & (1 << c)) + writes[4 * inst->tex_offsets[i].index + c] = NULL; } } } @@ -3849,14 +3827,14 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void) ralloc_free(write_level); ralloc_free(writes); - + return removed; } -/* Merges temporary registers together where possible to reduce the number of +/* Merges temporary registers together where possible to reduce the number of * registers needed to run a program. - * - * Produces optimal code only after copy propagation and dead code elimination + * + * Produces optimal code only after copy propagation and dead code elimination * have been run. */ void glsl_to_tgsi_visitor::merge_registers(void) @@ -3864,36 +3842,35 @@ glsl_to_tgsi_visitor::merge_registers(void) int *last_reads = rzalloc_array(mem_ctx, int, this->next_temp); int *first_writes = rzalloc_array(mem_ctx, int, this->next_temp); int i, j; - + /* Read the indices of the last read and first write to each temp register - * into an array so that we don't have to traverse the instruction list as + * into an array so that we don't have to traverse the instruction list as * much. */ - for (i=0; i < this->next_temp; i++) { + for (i = 0; i < this->next_temp; i++) { last_reads[i] = get_last_temp_read(i); first_writes[i] = get_first_temp_write(i); } - - /* Start looking for registers with non-overlapping usages that can be + + /* Start looking for registers with non-overlapping usages that can be * merged together. */ - for (i=0; i < this->next_temp; i++) { + for (i = 0; i < this->next_temp; i++) { /* Don't touch unused registers. */ if (last_reads[i] < 0 || first_writes[i] < 0) continue; - - for (j=0; j < this->next_temp; j++) { + + for (j = 0; j < this->next_temp; j++) { /* Don't touch unused registers. */ if (last_reads[j] < 0 || first_writes[j] < 0) continue; - - /* We can merge the two registers if the first write to j is after or - * in the same instruction as the last read from i. Note that the - * register at index i will always be used earlier or at the same time + + /* We can merge the two registers if the first write to j is after or + * in the same instruction as the last read from i. Note that the + * register at index i will always be used earlier or at the same time * as the register at index j. */ - if (first_writes[i] <= first_writes[j] && - last_reads[i] <= first_writes[j]) - { + if (first_writes[i] <= first_writes[j] && + last_reads[i] <= first_writes[j]) { rename_temp_register(j, i); /* Replace all references to j with i.*/ - - /* Update the first_writes and last_reads arrays with the new - * values for the merged register index, and mark the newly unused + + /* Update the first_writes and last_reads arrays with the new + * values for the merged register index, and mark the newly unused * register index as such. */ last_reads[i] = last_reads[j]; first_writes[j] = -1; @@ -3901,26 +3878,26 @@ glsl_to_tgsi_visitor::merge_registers(void) } } } - + ralloc_free(last_reads); ralloc_free(first_writes); } -/* Reassign indices to temporary registers by reusing unused indices created +/* Reassign indices to temporary registers by reusing unused indices created * by optimization passes. */ void glsl_to_tgsi_visitor::renumber_registers(void) { int i = 0; int new_index = 0; - - for (i=0; i < this->next_temp; i++) { + + for (i = 0; i < this->next_temp; i++) { if (get_first_temp_read(i) < 0) continue; if (i != new_index) rename_temp_register(i, new_index); new_index++; } - + this->next_temp = new_index; } @@ -4031,11 +4008,10 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp, if (inst->dst.file == PROGRAM_OUTPUT) prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index); - for (int i=0; i<3; i++) { + for (int i = 0; i < 3; i++) { src_regs[i] = inst->src[i]; if (src_regs[i].file == PROGRAM_INPUT && - src_regs[i].index == VARYING_SLOT_COL0) - { + src_regs[i].index == VARYING_SLOT_COL0) { src_regs[i].file = PROGRAM_TEMPORARY; src_regs[i].index = src0.index; } @@ -4117,7 +4093,7 @@ get_bitmap_visitor(struct st_fragment_program *fp, if (inst->dst.file == PROGRAM_OUTPUT) prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index); - for (int i=0; i<3; i++) { + for (int i = 0; i < 3; i++) { src_regs[i] = inst->src[i]; if (src_regs[i].file == PROGRAM_INPUT) prog->InputsRead |= BITFIELD64_BIT(src_regs[i].index); @@ -4217,7 +4193,7 @@ static unsigned *get_label(struct st_translate *t, unsigned branch_target) if (t->labels_count + 1 >= t->labels_size) { t->labels_size = 1 << (util_logbase2(t->labels_size) + 1); - t->labels = (struct label *)realloc(t->labels, + t->labels = (struct label *)realloc(t->labels, t->labels_size * sizeof(struct label)); if (t->labels == NULL) { static unsigned dummy; @@ -4401,12 +4377,12 @@ translate_dst(struct st_translate *t, const st_dst_reg *dst_reg, bool saturate, bool clamp_color) { - struct ureg_dst dst = dst_register(t, + struct ureg_dst dst = dst_register(t, dst_reg->file, dst_reg->index); dst = ureg_writemask(dst, dst_reg->writemask); - + if (saturate) dst = ureg_saturate(dst); else if (clamp_color && dst_reg->file == PROGRAM_OUTPUT) { @@ -4543,8 +4519,8 @@ compile_tgsi_instruction(struct st_translate *t, num_dst = num_inst_dst_regs(inst->op); num_src = num_inst_src_regs(inst->op); - if (num_dst) - dst[0] = translate_dst(t, + if (num_dst) + dst[0] = translate_dst(t, &inst->dst, inst->saturate, clamp_dst_color_output); @@ -4565,7 +4541,7 @@ compile_tgsi_instruction(struct st_translate *t, ureg_label_insn(ureg, inst->op, src, num_src, - get_label(t, + get_label(t, inst->op == TGSI_OPCODE_CAL ? inst->function->sig_id : 0)); return; @@ -4632,9 +4608,9 @@ emit_wpos_adjustment( struct st_translate *t, * where T = INPUT[WPOS] by y is inverted. */ static const gl_state_index wposTransformState[STATE_LENGTH] - = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, + = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, (gl_state_index)0, (gl_state_index)0, (gl_state_index)0 }; - + /* XXX: note we are modifying the incoming shader here! Need to * do this before emitting the constant decls below, or this * will be missed: @@ -4768,7 +4744,7 @@ emit_wpos(struct st_context *st, else assert(0); } - + if (fp->PixelCenterInteger) { /* Fragment shader wants pixel center integer */ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) { @@ -5020,7 +4996,7 @@ st_translate_program( ureg_writemask(t->outputs[i], TGSI_WRITEMASK_YZW), ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f)); t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X); - } + } } if (passthrough_edgeflags) emit_edgeflags(t); @@ -5072,7 +5048,7 @@ st_translate_program( */ memcpy(t->array_sizes, program->array_sizes, sizeof(unsigned) * program->next_array); - /* Emit constants and uniforms. TGSI uses a single index space for these, + /* Emit constants and uniforms. TGSI uses a single index space for these, * so we put all the translated regs in t->constants. */ if (proginfo->Parameters) { @@ -5124,7 +5100,7 @@ st_translate_program( ureg_DECL_constant2D(t->ureg, first, last, i + 1); } } - + /* Emit immediate values. */ t->immediates = (struct ureg_src *) @@ -5215,7 +5191,7 @@ shader_stage_to_ptarget(gl_shader_stage stage) /** - * Convert a shader's GLSL IR into a Mesa gl_program, although without + * Convert a shader's GLSL IR into a Mesa gl_program, although without * generating Mesa IR. */ static struct gl_program * @@ -5252,7 +5228,7 @@ get_mesa_program(struct gl_context *ctx, _mesa_copy_linked_program_data(shader->Stage, shader_program, prog); _mesa_generate_parameters_list_for_uniforms(shader_program, shader, - prog->Parameters); + prog->Parameters); /* Remove reads from output registers. */ lower_output_reads(shader->ir); @@ -5288,14 +5264,14 @@ get_mesa_program(struct gl_context *ctx, } while (progress); #if 0 - /* Print out some information (for debugging purposes) used by the + /* Print out some information (for debugging purposes) used by the * optimization passes. */ - for (i=0; i < v->next_temp; i++) { + for (i = 0; i < v->next_temp; i++) { int fr = v->get_first_temp_read(i); int fw = v->get_first_temp_write(i); int lr = v->get_last_temp_read(i); int lw = v->get_last_temp_write(i); - + printf("Temp %d: FR=%3d FW=%3d LR=%3d LW=%3d\n", i, fr, fw, lr, lw); assert(fw <= fr); } @@ -5308,7 +5284,7 @@ get_mesa_program(struct gl_context *ctx, v->merge_registers(); v->renumber_registers(); - + /* Write the END instruction. */ v->emit(NULL, TGSI_OPCODE_END); @@ -5330,7 +5306,7 @@ get_mesa_program(struct gl_context *ctx, count_resources(v, prog); _mesa_reference_program(ctx, &shader->Program, prog); - + /* This has to be done last. Any operation the can cause * prog->ParameterValues to get reallocated (e.g., anything that adds a * program constant) has to happen before creating this linkage. @@ -5343,7 +5319,7 @@ get_mesa_program(struct gl_context *ctx, struct st_vertex_program *stvp; struct st_fragment_program *stfp; struct st_geometry_program *stgp; - + switch (shader->Type) { case GL_VERTEX_SHADER: stvp = (struct st_vertex_program *)prog; @@ -5370,7 +5346,7 @@ extern "C" { /** * Link a shader. * Called via ctx->Driver.LinkShader() - * This actually involves converting GLSL IR into an intermediate TGSI-like IR + * This actually involves converting GLSL IR into an intermediate TGSI-like IR * with code lowering and other optimizations. */ GLboolean @@ -5446,7 +5422,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) progress = do_common_optimization(ir, true, true, options, ctx->Const.NativeIntegers) - || progress; + || progress; progress = lower_if_to_cond_assign(ir, options->MaxIfDepth) || progress; @@ -5464,13 +5440,13 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]); if (linked_prog) { - _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program, - linked_prog); + _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program, + linked_prog); if (!ctx->Driver.ProgramStringNotify(ctx, _mesa_shader_stage_to_program(i), linked_prog)) { - _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program, - NULL); + _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program, + NULL); _mesa_reference_program(ctx, &linked_prog, NULL); return GL_FALSE; } |