#include "brw_fs.h"
#include "glsl/glsl_types.h"
#include "glsl/ir_optimization.h"
-#include "glsl/ir_print_visitor.h"
void
fs_visitor::visit(ir_variable *ir)
if (variable_storage(ir))
return;
- if (ir->mode == ir_var_in) {
+ if (ir->mode == ir_var_shader_in) {
if (!strcmp(ir->name, "gl_FragCoord")) {
reg = emit_fragcoord_interpolation(ir);
} else if (!strcmp(ir->name, "gl_FrontFacing")) {
assert(reg);
hash_table_insert(this->variable_ht, reg, ir);
return;
- } else if (ir->mode == ir_var_out) {
+ } else if (ir->mode == ir_var_shader_out) {
reg = new(this->mem_ctx) fs_reg(this, ir->type);
if (ir->index > 0) {
* ir_binop_ubo_load expressions and not ir_dereference_variable for UBO
* variables, so no need for them to be in variable_ht.
*/
- if (ir->uniform_block != -1)
+ if (ir->is_in_uniform_block())
return;
if (dispatch_width == 16) {
return;
}
+ param_size[param_index] = type_size(ir->type);
if (!strncmp(ir->name, "gl_", 3)) {
setup_builtin_uniform_values(ir);
} else {
- setup_uniform_values(ir->location, ir->type);
+ setup_uniform_values(ir);
}
reg = new(this->mem_ctx) fs_reg(UNIFORM, param_index);
void
fs_visitor::visit(ir_dereference_array *ir)
{
- ir_constant *index;
- int element_size;
+ ir_constant *constant_index;
+ fs_reg src;
+ int element_size = type_size(ir->type);
+
+ constant_index = ir->array_index->as_constant();
ir->array->accept(this);
- index = ir->array_index->as_constant();
+ src = this->result;
+ src.type = brw_type_for_base_type(ir->type);
- element_size = type_size(ir->type);
- this->result.type = brw_type_for_base_type(ir->type);
+ if (constant_index) {
+ assert(src.file == UNIFORM || src.file == GRF);
+ src.reg_offset += constant_index->value.i[0] * element_size;
+ } else {
+ /* Variable index array dereference. We attach the variable index
+ * component to the reg as a pointer to a register containing the
+ * offset. Currently only uniform arrays are supported in this patch,
+ * and that reladdr pointer is resolved by
+ * move_uniform_array_access_to_pull_constants(). All other array types
+ * are lowered by lower_variable_index_to_cond_assign().
+ */
+ ir->array_index->accept(this);
+
+ fs_reg index_reg;
+ index_reg = fs_reg(this, glsl_type::int_type);
+ emit(BRW_OPCODE_MUL, index_reg, this->result, fs_reg(element_size));
+
+ if (src.reladdr) {
+ emit(BRW_OPCODE_ADD, index_reg, *src.reladdr, index_reg);
+ }
- if (index) {
- assert(this->result.file == UNIFORM || this->result.file == GRF);
- this->result.reg_offset += index->value.i[0] * element_size;
+ src.reladdr = ralloc(mem_ctx, fs_reg);
+ memcpy(src.reladdr, &index_reg, sizeof(index_reg));
+ }
+ this->result = src;
+}
+
+void
+fs_visitor::emit_lrp(fs_reg dst, fs_reg x, fs_reg y, fs_reg a)
+{
+ if (intel->gen < 6 ||
+ !x.is_valid_3src() ||
+ !y.is_valid_3src() ||
+ !a.is_valid_3src()) {
+ /* We can't use the LRP instruction. Emit x*(1-a) + y*a. */
+ fs_reg y_times_a = fs_reg(this, glsl_type::float_type);
+ fs_reg one_minus_a = fs_reg(this, glsl_type::float_type);
+ fs_reg x_times_one_minus_a = fs_reg(this, glsl_type::float_type);
+
+ emit(MUL(y_times_a, y, a));
+
+ a.negate = !a.negate;
+ emit(ADD(one_minus_a, a, fs_reg(1.0f)));
+ emit(MUL(x_times_one_minus_a, x, one_minus_a));
+
+ emit(ADD(dst, x_times_one_minus_a, y_times_a));
} else {
- assert(!"FINISHME: non-constant array element");
+ /* The LRP instruction actually does op1 * op0 + op2 * (1 - op0), so
+ * we need to reorder the operands.
+ */
+ emit(LRP(dst, a, y, x));
}
}
* src, generate a saturated MOV
*/
fs_inst *modify = get_instruction_generating_reg(pre_inst, last_inst, src);
- if (!modify || modify->regs_written() != 1) {
+ if (!modify || modify->regs_written != 1) {
+ this->result = fs_reg(this, ir->type);
fs_inst *inst = emit(MOV(this->result, src));
inst->saturate = true;
} else {
fs_visitor::visit(ir_expression *ir)
{
unsigned int operand;
- fs_reg op[2], temp;
+ fs_reg op[3], temp;
fs_inst *inst;
- assert(ir->get_num_operands() <= 2);
+ assert(ir->get_num_operands() <= 3);
if (try_emit_saturate(ir))
return;
for (operand = 0; operand < ir->get_num_operands(); operand++) {
ir->operands[operand]->accept(this);
if (this->result.file == BAD_FILE) {
- ir_print_visitor v;
fail("Failed to get tree for expression operand:\n");
- ir->operands[operand]->accept(&v);
+ ir->operands[operand]->print();
+ printf("\n");
}
op[operand] = this->result;
}
break;
case ir_binop_div:
- if (intel->gen >= 7 && dispatch_width == 16)
- fail("16-wide INTDIV unsupported\n");
-
/* Floating point should be lowered by DIV_TO_MUL_RCP in the compiler. */
assert(ir->type->is_integer());
emit_math(SHADER_OPCODE_INT_QUOTIENT, this->result, op[0], op[1]);
break;
case ir_binop_mod:
- if (intel->gen >= 7 && dispatch_width == 16)
- fail("16-wide INTDIV unsupported\n");
-
/* Floating point should be lowered by MOD_TO_FRACT in the compiler. */
assert(ir->type->is_integer());
emit_math(SHADER_OPCODE_INT_REMAINDER, this->result, op[0], op[1]);
assert(!"not reached: should be handled by lower_quadop_vector");
break;
+ case ir_binop_vector_extract:
+ assert(!"not reached: should be handled by lower_vec_index_to_cond_assign()");
+ break;
+
+ case ir_triop_vector_insert:
+ assert(!"not reached: should be handled by lower_vector_insert()");
+ break;
+
case ir_unop_sqrt:
emit_math(SHADER_OPCODE_SQRT, this->result, op[0]);
break;
break;
case ir_unop_b2i:
- inst = emit(AND(this->result, op[0], fs_reg(1)));
+ emit(AND(this->result, op[0], fs_reg(1)));
break;
case ir_unop_b2f:
temp = fs_reg(this, glsl_type::int_type);
break;
case ir_unop_f2b:
- case ir_unop_i2b:
emit(CMP(this->result, op[0], fs_reg(0.0f), BRW_CONDITIONAL_NZ));
break;
+ case ir_unop_i2b:
+ emit(CMP(this->result, op[0], fs_reg(0), BRW_CONDITIONAL_NZ));
+ break;
case ir_unop_trunc:
emit(RNDZ(this->result, op[0]));
break;
case ir_unop_ceil:
op[0].negate = !op[0].negate;
- inst = emit(RNDD(this->result, op[0]));
+ emit(RNDD(this->result, op[0]));
this->result.negate = true;
break;
case ir_unop_floor:
- inst = emit(RNDD(this->result, op[0]));
+ emit(RNDD(this->result, op[0]));
break;
case ir_unop_fract:
- inst = emit(FRC(this->result, op[0]));
+ emit(FRC(this->result, op[0]));
break;
case ir_unop_round_even:
emit(RNDE(this->result, op[0]));
BRW_CONDITIONAL_L : BRW_CONDITIONAL_GE,
this->result, op[0], op[1]);
break;
-
+ case ir_unop_pack_snorm_2x16:
+ case ir_unop_pack_snorm_4x8:
+ case ir_unop_pack_unorm_2x16:
+ case ir_unop_pack_unorm_4x8:
+ case ir_unop_unpack_snorm_2x16:
+ case ir_unop_unpack_snorm_4x8:
+ case ir_unop_unpack_unorm_2x16:
+ case ir_unop_unpack_unorm_4x8:
+ case ir_unop_unpack_half_2x16:
+ case ir_unop_pack_half_2x16:
+ assert(!"not reached: should be handled by lower_packing_builtins");
+ break;
+ case ir_unop_unpack_half_2x16_split_x:
+ emit(FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X, this->result, op[0]);
+ break;
+ case ir_unop_unpack_half_2x16_split_y:
+ emit(FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y, this->result, op[0]);
+ break;
case ir_binop_pow:
emit_math(SHADER_OPCODE_POW, this->result, op[0], op[1]);
break;
+ case ir_unop_bitfield_reverse:
+ emit(BFREV(this->result, op[0]));
+ break;
+ case ir_unop_bit_count:
+ emit(CBIT(this->result, op[0]));
+ break;
+ case ir_unop_find_msb:
+ temp = fs_reg(this, glsl_type::uint_type);
+ emit(FBH(temp, op[0]));
+
+ /* FBH counts from the MSB side, while GLSL's findMSB() wants the count
+ * from the LSB side. If FBH didn't return an error (0xFFFFFFFF), then
+ * subtract the result from 31 to convert the MSB count into an LSB count.
+ */
+
+ /* FBH only supports UD type for dst, so use a MOV to convert UD to D. */
+ emit(MOV(this->result, temp));
+ emit(CMP(reg_null_d, this->result, fs_reg(-1), BRW_CONDITIONAL_NZ));
+
+ temp.negate = true;
+ inst = emit(ADD(this->result, temp, fs_reg(31)));
+ inst->predicate = BRW_PREDICATE_NORMAL;
+ break;
+ case ir_unop_find_lsb:
+ emit(FBL(this->result, op[0]));
+ break;
+ case ir_triop_bitfield_extract:
+ /* Note that the instruction's argument order is reversed from GLSL
+ * and the IR.
+ */
+ emit(BFE(this->result, op[2], op[1], op[0]));
+ break;
+ case ir_binop_bfm:
+ emit(BFI1(this->result, op[0], op[1]));
+ break;
+ case ir_triop_bfi:
+ emit(BFI2(this->result, op[0], op[1], op[2]));
+ break;
+ case ir_quadop_bitfield_insert:
+ assert(!"not reached: should be handled by "
+ "lower_instructions::bitfield_insert_to_bfm_bfi");
+ break;
+
case ir_unop_bit_not:
- inst = emit(NOT(this->result, op[0]));
+ emit(NOT(this->result, op[0]));
break;
case ir_binop_bit_and:
- inst = emit(AND(this->result, op[0], op[1]));
+ emit(AND(this->result, op[0], op[1]));
break;
case ir_binop_bit_xor:
- inst = emit(XOR(this->result, op[0], op[1]));
+ emit(XOR(this->result, op[0], op[1]));
break;
case ir_binop_bit_or:
- inst = emit(OR(this->result, op[0], op[1]));
+ emit(OR(this->result, op[0], op[1]));
break;
case ir_binop_lshift:
- inst = emit(SHL(this->result, op[0], op[1]));
+ emit(SHL(this->result, op[0], op[1]));
break;
case ir_binop_rshift:
if (ir->type->base_type == GLSL_TYPE_INT)
- inst = emit(ASR(this->result, op[0], op[1]));
+ emit(ASR(this->result, op[0], op[1]));
else
- inst = emit(SHR(this->result, op[0], op[1]));
+ emit(SHR(this->result, op[0], op[1]));
break;
-
- case ir_binop_ubo_load:
+ case ir_binop_pack_half_2x16_split:
+ emit(FS_OPCODE_PACK_HALF_2x16_SPLIT, this->result, op[0], op[1]);
+ break;
+ case ir_binop_ubo_load: {
+ /* This IR node takes a constant uniform block and a constant or
+ * variable byte offset within the block and loads a vector from that.
+ */
ir_constant *uniform_block = ir->operands[0]->as_constant();
- ir_constant *offset = ir->operands[1]->as_constant();
-
- fs_reg packed_consts = fs_reg(this, glsl_type::float_type);
- packed_consts.type = result.type;
+ ir_constant *const_offset = ir->operands[1]->as_constant();
fs_reg surf_index = fs_reg((unsigned)SURF_INDEX_WM_UBO(uniform_block->value.u[0]));
- fs_inst *pull = emit(fs_inst(FS_OPCODE_PULL_CONSTANT_LOAD,
- packed_consts,
- surf_index,
- fs_reg(offset->value.u[0])));
- pull->base_mrf = 14;
- pull->mlen = 1;
-
- packed_consts.smear = offset->value.u[0] % 16 / 4;
- for (int i = 0; i < ir->type->vector_elements; i++) {
- /* UBO bools are any nonzero value. We consider bools to be
- * values with the low bit set to 1. Convert them using CMP.
- */
- if (ir->type->base_type == GLSL_TYPE_BOOL) {
- emit(CMP(result, packed_consts, fs_reg(0u), BRW_CONDITIONAL_NZ));
- } else {
- emit(MOV(result, packed_consts));
+ if (const_offset) {
+ fs_reg packed_consts = fs_reg(this, glsl_type::float_type);
+ packed_consts.type = result.type;
+
+ fs_reg const_offset_reg = fs_reg(const_offset->value.u[0] & ~15);
+ emit(fs_inst(FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD,
+ packed_consts, surf_index, const_offset_reg));
+
+ packed_consts.smear = const_offset->value.u[0] % 16 / 4;
+ for (int i = 0; i < ir->type->vector_elements; i++) {
+ /* UBO bools are any nonzero value. We consider bools to be
+ * values with the low bit set to 1. Convert them using CMP.
+ */
+ if (ir->type->base_type == GLSL_TYPE_BOOL) {
+ emit(CMP(result, packed_consts, fs_reg(0u), BRW_CONDITIONAL_NZ));
+ } else {
+ emit(MOV(result, packed_consts));
+ }
+
+ packed_consts.smear++;
+ result.reg_offset++;
+
+ /* The std140 packing rules don't allow vectors to cross 16-byte
+ * boundaries, and a reg is 32 bytes.
+ */
+ assert(packed_consts.smear < 8);
}
+ } else {
+ /* Turn the byte offset into a dword offset. */
+ fs_reg base_offset = fs_reg(this, glsl_type::int_type);
+ emit(SHR(base_offset, op[1], fs_reg(2)));
- packed_consts.smear++;
- result.reg_offset++;
+ for (int i = 0; i < ir->type->vector_elements; i++) {
+ emit(VARYING_PULL_CONSTANT_LOAD(result, surf_index,
+ base_offset, i));
- /* The std140 packing rules don't allow vectors to cross 16-byte
- * boundaries, and a reg is 32 bytes.
- */
- assert(packed_consts.smear < 8);
+ if (ir->type->base_type == GLSL_TYPE_BOOL)
+ emit(CMP(result, result, fs_reg(0), BRW_CONDITIONAL_NZ));
+
+ result.reg_offset++;
+ }
}
+
result.reg_offset = 0;
break;
}
+
+ case ir_triop_lrp:
+ emit_lrp(this->result, op[0], op[1], op[2]);
+ break;
+ }
}
void
case GLSL_TYPE_SAMPLER:
break;
- default:
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_INTERFACE:
assert(!"not reached");
break;
}
/* If last_rhs_inst wrote a different number of components than our LHS,
* we can't safely rewrite it.
*/
- if (ir->lhs->type->vector_elements != modify->regs_written())
+ if (virtual_grf_sizes[dst.reg] != modify->regs_written)
return false;
/* Success! Rewrite the instruction. */
* this weirdness around to the expected layout.
*/
orig_dst = dst;
- const glsl_type *vec_type =
- glsl_type::get_instance(ir->type->base_type, 4, 1);
- dst = fs_reg(this, glsl_type::get_array_instance(vec_type, 2));
- dst.type = intel->is_g4x ? brw_type_for_base_type(ir->type)
- : BRW_REGISTER_TYPE_F;
+ dst = fs_reg(GRF, virtual_grf_alloc(8),
+ (intel->is_g4x ?
+ brw_type_for_base_type(ir->type) :
+ BRW_REGISTER_TYPE_F));
}
fs_inst *inst = NULL;
case ir_txf:
inst = emit(SHADER_OPCODE_TXF, dst);
break;
+ default:
+ fail("unrecognized texture opcode");
}
inst->base_mrf = base_mrf;
inst->mlen = mlen;
inst->header_present = true;
+ inst->regs_written = simd16 ? 8 : 4;
if (simd16) {
for (int i = 0; i < 4; i++) {
*/
fs_inst *
fs_visitor::emit_texture_gen5(ir_texture *ir, fs_reg dst, fs_reg coordinate,
- fs_reg shadow_c, fs_reg lod, fs_reg lod2)
+ fs_reg shadow_c, fs_reg lod, fs_reg lod2,
+ fs_reg sample_index)
{
int mlen = 0;
int base_mrf = 2;
break;
case ir_txf:
mlen = header_present + 4 * reg_width;
-
- emit(MOV(fs_reg(MRF, base_mrf + mlen - reg_width, BRW_REGISTER_TYPE_UD),
- lod));
+ emit(MOV(fs_reg(MRF, base_mrf + mlen - reg_width, BRW_REGISTER_TYPE_UD), lod));
inst = emit(SHADER_OPCODE_TXF, dst);
break;
+ case ir_txf_ms:
+ mlen = header_present + 4 * reg_width;
+
+ /* lod */
+ emit(MOV(fs_reg(MRF, base_mrf + mlen - reg_width, BRW_REGISTER_TYPE_UD), fs_reg(0)));
+ /* sample index */
+ emit(MOV(fs_reg(MRF, base_mrf + mlen, BRW_REGISTER_TYPE_UD), sample_index));
+ mlen += reg_width;
+ inst = emit(SHADER_OPCODE_TXF_MS, dst);
+ break;
+ case ir_lod:
+ inst = emit(SHADER_OPCODE_LOD, dst);
+ break;
}
inst->base_mrf = base_mrf;
inst->mlen = mlen;
inst->header_present = header_present;
+ inst->regs_written = 4;
if (mlen > 11) {
fail("Message length >11 disallowed by hardware\n");
fs_inst *
fs_visitor::emit_texture_gen7(ir_texture *ir, fs_reg dst, fs_reg coordinate,
- fs_reg shadow_c, fs_reg lod, fs_reg lod2)
+ fs_reg shadow_c, fs_reg lod, fs_reg lod2,
+ fs_reg sample_index)
{
int mlen = 0;
int base_mrf = 2;
/* Set up the LOD info */
switch (ir->op) {
case ir_tex:
+ case ir_lod:
break;
case ir_txb:
emit(MOV(fs_reg(MRF, base_mrf + mlen), lod));
coordinate.reg_offset++;
mlen += reg_width;
- emit(MOV(fs_reg(MRF, base_mrf + mlen), lod));
- lod.reg_offset++;
- mlen += reg_width;
-
- emit(MOV(fs_reg(MRF, base_mrf + mlen), lod2));
- lod2.reg_offset++;
- mlen += reg_width;
+ /* For cube map array, the coordinate is (u,v,r,ai) but there are
+ * only derivatives for (u, v, r).
+ */
+ if (i < ir->lod_info.grad.dPdx->type->vector_elements) {
+ emit(MOV(fs_reg(MRF, base_mrf + mlen), lod));
+ lod.reg_offset++;
+ mlen += reg_width;
+
+ emit(MOV(fs_reg(MRF, base_mrf + mlen), lod2));
+ lod2.reg_offset++;
+ mlen += reg_width;
+ }
}
break;
}
mlen += reg_width;
}
break;
+ case ir_txf_ms:
+ emit(MOV(fs_reg(MRF, base_mrf + mlen, BRW_REGISTER_TYPE_UD), sample_index));
+ mlen += reg_width;
+
+ /* constant zero MCS; we arrange to never actually have a compressed
+ * multisample surface here for now. TODO: issue ld_mcs to get this first,
+ * if we ever support texturing from compressed multisample surfaces
+ */
+ emit(MOV(fs_reg(MRF, base_mrf + mlen, BRW_REGISTER_TYPE_UD), fs_reg(0u)));
+ mlen += reg_width;
+
+ /* there is no offsetting for this message; just copy in the integer
+ * texture coordinates
+ */
+ for (int i = 0; i < ir->coordinate->type->vector_elements; i++) {
+ emit(MOV(fs_reg(MRF, base_mrf + mlen, BRW_REGISTER_TYPE_D),
+ coordinate));
+ coordinate.reg_offset++;
+ mlen += reg_width;
+ }
+ break;
}
/* Set up the coordinate (except for cases where it was done above) */
- if (ir->op != ir_txd && ir->op != ir_txs && ir->op != ir_txf) {
+ if (ir->op != ir_txd && ir->op != ir_txs && ir->op != ir_txf && ir->op != ir_txf_ms) {
for (int i = 0; i < ir->coordinate->type->vector_elements; i++) {
emit(MOV(fs_reg(MRF, base_mrf + mlen), coordinate));
coordinate.reg_offset++;
case ir_txl: inst = emit(SHADER_OPCODE_TXL, dst); break;
case ir_txd: inst = emit(SHADER_OPCODE_TXD, dst); break;
case ir_txf: inst = emit(SHADER_OPCODE_TXF, dst); break;
+ case ir_txf_ms: inst = emit(SHADER_OPCODE_TXF_MS, dst); break;
case ir_txs: inst = emit(SHADER_OPCODE_TXS, dst); break;
+ case ir_lod: inst = emit(SHADER_OPCODE_LOD, dst); break;
}
inst->base_mrf = base_mrf;
inst->mlen = mlen;
inst->header_present = header_present;
+ inst->regs_written = 4;
if (mlen > 11) {
fail("Message length >11 disallowed by hardware\n");
GLuint index = _mesa_add_state_reference(params,
(gl_state_index *)tokens);
-
- this->param_index[c->prog_data.nr_params] = index;
- this->param_offset[c->prog_data.nr_params] = 0;
- c->prog_data.nr_params++;
- this->param_index[c->prog_data.nr_params] = index;
- this->param_offset[c->prog_data.nr_params] = 1;
- c->prog_data.nr_params++;
+ c->prog_data.param[c->prog_data.nr_params++] =
+ &fp->Base.Parameters->ParameterValues[index][0].f;
+ c->prog_data.param[c->prog_data.nr_params++] =
+ &fp->Base.Parameters->ParameterValues[index][1].f;
}
/* The 965 requires the EU to do the normalization of GL rectangle
{
fs_inst *inst = NULL;
- int sampler = _mesa_get_sampler_uniform_value(ir->sampler, prog, &fp->Base);
+ int sampler =
+ _mesa_get_sampler_uniform_value(ir->sampler, shader_prog, &fp->Base);
+ /* FINISHME: We're failing to recompile our programs when the sampler is
+ * updated. This only matters for the texture rectangle scale parameters
+ * (pre-gen6, or gen6+ with GL_CLAMP).
+ */
int texunit = fp->Base.SamplerUnits[sampler];
/* Should be lowered by do_lower_texture_projection */
shadow_comparitor = this->result;
}
- fs_reg lod, lod2;
+ fs_reg lod, lod2, sample_index;
switch (ir->op) {
case ir_tex:
+ case ir_lod:
break;
case ir_txb:
ir->lod_info.bias->accept(this);
ir->lod_info.lod->accept(this);
lod = this->result;
break;
+ case ir_txf_ms:
+ ir->lod_info.sample_index->accept(this);
+ sample_index = this->result;
+ break;
};
/* Writemasking doesn't eliminate channels on SIMD8 texture
if (intel->gen >= 7) {
inst = emit_texture_gen7(ir, dst, coordinate, shadow_comparitor,
- lod, lod2);
+ lod, lod2, sample_index);
} else if (intel->gen >= 5) {
inst = emit_texture_gen5(ir, dst, coordinate, shadow_comparitor,
- lod, lod2);
+ lod, lod2, sample_index);
} else {
inst = emit_texture_gen4(ir, dst, coordinate, shadow_comparitor,
lod, lod2);
if (ir->shadow_comparitor)
inst->shadow_compare = true;
+ /* fixup #layers for cube map arrays */
+ if (ir->op == ir_txs) {
+ glsl_type const *type = ir->sampler->type;
+ if (type->sampler_dimensionality == GLSL_SAMPLER_DIM_CUBE &&
+ type->sampler_array) {
+ fs_reg depth = dst;
+ depth.reg_offset = 2;
+ emit_math(SHADER_OPCODE_INT_QUOTIENT, depth, depth, fs_reg(6));
+ }
+ }
+
swizzle_result(ir, dst, sampler);
}
{
this->result = orig_val;
- if (ir->op == ir_txs)
+ if (ir->op == ir_txs || ir->op == ir_lod)
return;
if (ir->type == glsl_type::float_type) {
{
assert(ir->condition == NULL); /* FINISHME */
- emit(FS_OPCODE_DISCARD);
+ /* We track our discarded pixels in f0.1. By predicating on it, we can
+ * update just the flag bits that aren't yet discarded. By emitting a
+ * CMP of g0 != g0, all our currently executing channels will get turned
+ * off.
+ */
+ fs_reg some_reg = fs_reg(retype(brw_vec8_grf(0, 0),
+ BRW_REGISTER_TYPE_UW));
+ fs_inst *cmp = emit(CMP(reg_null_f, some_reg, some_reg,
+ BRW_CONDITIONAL_NZ));
+ cmp->predicate = BRW_PREDICATE_NORMAL;
+ cmp->flag_subreg = 1;
+
+ if (intel->gen >= 6) {
+ /* For performance, after a discard, jump to the end of the shader.
+ * However, many people will do foliage by discarding based on a
+ * texture's alpha mask, and then continue on to texture with the
+ * remaining pixels. To avoid trashing the derivatives for those
+ * texture samples, we'll only jump if all of the pixels in the subspan
+ * have been discarded.
+ */
+ fs_inst *discard_jump = emit(FS_OPCODE_DISCARD_JUMP);
+ discard_jump->flag_subreg = 1;
+ discard_jump->predicate = BRW_PREDICATE_ALIGN1_ANY4H;
+ discard_jump->predicate_inverse = true;
+ }
}
void
return inst;
}
+void
+fs_visitor::emit(exec_list list)
+{
+ foreach_list_safe(node, &list) {
+ fs_inst *inst = (fs_inst *)node;
+ inst->remove();
+ emit(inst);
+ }
+}
+
/** Emits a dummy fragment shader consisting of magenta for bringup purposes. */
void
fs_visitor::emit_dummy_fs()
emit(FS_OPCODE_LINTERP, wpos_w,
this->delta_x[BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC],
this->delta_y[BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC],
- interp_reg(FRAG_ATTRIB_WPOS, 3));
+ interp_reg(VARYING_SLOT_POS, 3));
/* Compute the pixel 1/W value from wpos.w. */
this->pixel_w = fs_reg(this, glsl_type::float_type);
emit_math(SHADER_OPCODE_RCP, this->pixel_w, wpos_w);
inst->saturate = c->key.clamp_fragment_color;
}
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME)
+ emit_shader_time_end();
+
fs_inst *inst = emit(FS_OPCODE_FB_WRITE);
inst->target = 0;
inst->base_mrf = base_mrf;
for (unsigned i = 0; i < this->output_components[target]; i++)
emit_color_write(target, i, write_color_mrf);
+ bool eot = false;
+ if (target == c->key.nr_color_regions - 1) {
+ eot = true;
+
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME)
+ emit_shader_time_end();
+ }
+
fs_inst *inst = emit(FS_OPCODE_FB_WRITE);
inst->target = target;
inst->base_mrf = base_mrf;
inst->mlen = nr - base_mrf - reg_width;
else
inst->mlen = nr - base_mrf;
- if (target == c->key.nr_color_regions - 1)
- inst->eot = true;
+ inst->eot = eot;
inst->header_present = header_present;
}
*/
emit_color_write(0, 3, color_mrf);
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME)
+ emit_shader_time_end();
+
fs_inst *inst = emit(FS_OPCODE_FB_WRITE);
inst->base_mrf = base_mrf;
inst->mlen = nr - base_mrf;
fs_visitor::fs_visitor(struct brw_context *brw,
struct brw_wm_compile *c,
- struct gl_shader_program *prog,
+ struct gl_shader_program *shader_prog,
struct gl_fragment_program *fp,
unsigned dispatch_width)
: dispatch_width(dispatch_width)
{
this->c = c;
- this->p = &c->func;
this->brw = brw;
this->fp = fp;
- this->prog = prog;
+ this->shader_prog = shader_prog;
this->intel = &brw->intel;
this->ctx = &intel->ctx;
this->mem_ctx = ralloc_context(NULL);
- if (prog)
- shader = (struct brw_shader *) prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
+ if (shader_prog)
+ shader = (struct brw_shader *)
+ shader_prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
else
shader = NULL;
this->failed = false;
this->virtual_grf_sizes = NULL;
this->virtual_grf_count = 0;
this->virtual_grf_array_size = 0;
- this->virtual_grf_def = NULL;
- this->virtual_grf_use = NULL;
+ this->virtual_grf_start = NULL;
+ this->virtual_grf_end = NULL;
this->live_intervals_valid = false;
+ this->params_remap = NULL;
+ this->nr_params_remap = 0;
+
this->force_uncompressed_stack = 0;
this->force_sechalf_stack = 0;
+
+ memset(&this->param_size, 0, sizeof(this->param_size));
}
fs_visitor::~fs_visitor()
projects / mesa.git / blobdiff