* IN THE SOFTWARE.
*/
-extern "C" {
#include "main/macros.h"
#include "brw_context.h"
-}
#include "brw_vs.h"
#include "brw_gs.h"
#include "brw_fs.h"
return true;
}
+static inline bool
+is_scalar_shader_stage(struct brw_context *brw, int stage)
+{
+ switch (stage) {
+ case MESA_SHADER_FRAGMENT:
+ return true;
+ case MESA_SHADER_VERTEX:
+ return brw->scalar_vs;
+ default:
+ return false;
+ }
+}
+
static void
brw_lower_packing_builtins(struct brw_context *brw,
gl_shader_stage shader_type,
| LOWER_PACK_UNORM_2x16
| LOWER_UNPACK_UNORM_2x16;
- if (shader_type == MESA_SHADER_FRAGMENT) {
+ if (is_scalar_shader_stage(brw, shader_type)) {
ops |= LOWER_UNPACK_UNORM_4x8
| LOWER_UNPACK_SNORM_4x8
| LOWER_PACK_UNORM_4x8
* lowering is needed. For SOA code, the Half2x16 ops must be
* scalarized.
*/
- if (shader_type == MESA_SHADER_FRAGMENT) {
+ if (is_scalar_shader_stage(brw, shader_type)) {
ops |= LOWER_PACK_HALF_2x16_TO_SPLIT
| LOWER_UNPACK_HALF_2x16_TO_SPLIT;
}
? BITFIELD_INSERT_TO_BFM_BFI
: 0;
lower_instructions(shader->base.ir,
- MOD_TO_FRACT |
+ MOD_TO_FLOOR |
DIV_TO_MUL_RCP |
SUB_TO_ADD_NEG |
EXP_TO_EXP2 |
do {
progress = false;
- if (stage == MESA_SHADER_FRAGMENT) {
+ if (is_scalar_shader_stage(brw, stage)) {
brw_do_channel_expressions(shader->base.ir);
brw_do_vector_splitting(shader->base.ir);
}
do_set_program_inouts(shader->base.ir, prog, shader->base.Stage);
prog->SamplersUsed = shader->base.active_samplers;
+ prog->ShadowSamplers = shader->base.shadow_samplers;
_mesa_update_shader_textures_used(shProg, prog);
_mesa_reference_program(ctx, &shader->base.Program, prog);
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
case GLSL_TYPE_INTERFACE:
+ case GLSL_TYPE_DOUBLE:
unreachable("not reached");
}
const char *
brw_instruction_name(enum opcode op)
{
- char *fallback;
-
- if (op < ARRAY_SIZE(opcode_descs) && opcode_descs[op].name)
- return opcode_descs[op].name;
-
switch (op) {
+ case BRW_OPCODE_MOV ... BRW_OPCODE_NOP:
+ assert(opcode_descs[op].name);
+ return opcode_descs[op].name;
case FS_OPCODE_FB_WRITE:
return "fb_write";
case FS_OPCODE_BLORP_FB_WRITE:
return "blorp_fb_write";
+ case FS_OPCODE_REP_FB_WRITE:
+ return "rep_fb_write";
case SHADER_OPCODE_RCP:
return "rcp";
return "txf_ums";
case SHADER_OPCODE_TXF_MCS:
return "txf_mcs";
+ case SHADER_OPCODE_LOD:
+ return "lod";
case SHADER_OPCODE_TG4:
return "tg4";
case SHADER_OPCODE_TG4_OFFSET:
case SHADER_OPCODE_SHADER_TIME_ADD:
return "shader_time_add";
+ case SHADER_OPCODE_UNTYPED_ATOMIC:
+ return "untyped_atomic";
+ case SHADER_OPCODE_UNTYPED_SURFACE_READ:
+ return "untyped_surface_read";
+
case SHADER_OPCODE_LOAD_PAYLOAD:
return "load_payload";
return "gen4_scratch_write";
case SHADER_OPCODE_GEN7_SCRATCH_READ:
return "gen7_scratch_read";
+ case SHADER_OPCODE_URB_WRITE_SIMD8:
+ return "gen8_urb_write_simd8";
+ case VEC4_OPCODE_MOV_BYTES:
+ return "mov_bytes";
case VEC4_OPCODE_PACK_BYTES:
return "pack_bytes";
case VEC4_OPCODE_UNPACK_UNIFORM:
return "gs_svb_set_dst_index";
case GS_OPCODE_FF_SYNC_SET_PRIMITIVES:
return "gs_ff_sync_set_primitives";
+ }
- default:
- /* Yes, this leaks. It's in debug code, it should never occur, and if
- * it does, you should just add the case to the list above.
+ unreachable("not reached");
+}
+
+bool
+brw_saturate_immediate(enum brw_reg_type type, struct brw_reg *reg)
+{
+ union {
+ unsigned ud;
+ int d;
+ float f;
+ } imm = { reg->dw1.ud }, sat_imm = { 0 };
+
+ switch (type) {
+ case BRW_REGISTER_TYPE_UD:
+ case BRW_REGISTER_TYPE_D:
+ case BRW_REGISTER_TYPE_UQ:
+ case BRW_REGISTER_TYPE_Q:
+ /* Nothing to do. */
+ return false;
+ case BRW_REGISTER_TYPE_UW:
+ sat_imm.ud = CLAMP(imm.ud, 0, USHRT_MAX);
+ break;
+ case BRW_REGISTER_TYPE_W:
+ sat_imm.d = CLAMP(imm.d, SHRT_MIN, SHRT_MAX);
+ break;
+ case BRW_REGISTER_TYPE_F:
+ sat_imm.f = CLAMP(imm.f, 0.0f, 1.0f);
+ break;
+ case BRW_REGISTER_TYPE_UB:
+ case BRW_REGISTER_TYPE_B:
+ unreachable("no UB/B immediates");
+ case BRW_REGISTER_TYPE_V:
+ case BRW_REGISTER_TYPE_UV:
+ case BRW_REGISTER_TYPE_VF:
+ unreachable("unimplemented: saturate vector immediate");
+ case BRW_REGISTER_TYPE_DF:
+ case BRW_REGISTER_TYPE_HF:
+ unreachable("unimplemented: saturate DF/HF immediate");
+ }
+
+ if (imm.ud != sat_imm.ud) {
+ reg->dw1.ud = sat_imm.ud;
+ return true;
+ }
+ return false;
+}
+
+bool
+brw_negate_immediate(enum brw_reg_type type, struct brw_reg *reg)
+{
+ switch (type) {
+ case BRW_REGISTER_TYPE_D:
+ case BRW_REGISTER_TYPE_UD:
+ reg->dw1.d = -reg->dw1.d;
+ return true;
+ case BRW_REGISTER_TYPE_W:
+ case BRW_REGISTER_TYPE_UW:
+ reg->dw1.d = -(int16_t)reg->dw1.ud;
+ return true;
+ case BRW_REGISTER_TYPE_F:
+ reg->dw1.f = -reg->dw1.f;
+ return true;
+ case BRW_REGISTER_TYPE_VF:
+ reg->dw1.ud ^= 0x80808080;
+ return true;
+ case BRW_REGISTER_TYPE_UB:
+ case BRW_REGISTER_TYPE_B:
+ unreachable("no UB/B immediates");
+ case BRW_REGISTER_TYPE_UV:
+ case BRW_REGISTER_TYPE_V:
+ assert(!"unimplemented: negate UV/V immediate");
+ case BRW_REGISTER_TYPE_UQ:
+ case BRW_REGISTER_TYPE_Q:
+ assert(!"unimplemented: negate UQ/Q immediate");
+ case BRW_REGISTER_TYPE_DF:
+ case BRW_REGISTER_TYPE_HF:
+ assert(!"unimplemented: negate DF/HF immediate");
+ }
+
+ return false;
+}
+
+bool
+brw_abs_immediate(enum brw_reg_type type, struct brw_reg *reg)
+{
+ switch (type) {
+ case BRW_REGISTER_TYPE_D:
+ reg->dw1.d = abs(reg->dw1.d);
+ return true;
+ case BRW_REGISTER_TYPE_W:
+ reg->dw1.d = abs((int16_t)reg->dw1.ud);
+ return true;
+ case BRW_REGISTER_TYPE_F:
+ reg->dw1.f = fabsf(reg->dw1.f);
+ return true;
+ case BRW_REGISTER_TYPE_VF:
+ reg->dw1.ud &= ~0x80808080;
+ return true;
+ case BRW_REGISTER_TYPE_UB:
+ case BRW_REGISTER_TYPE_B:
+ unreachable("no UB/B immediates");
+ case BRW_REGISTER_TYPE_UQ:
+ case BRW_REGISTER_TYPE_UD:
+ case BRW_REGISTER_TYPE_UW:
+ case BRW_REGISTER_TYPE_UV:
+ /* Presumably the absolute value modifier on an unsigned source is a
+ * nop, but it would be nice to confirm.
*/
- asprintf(&fallback, "op%d", op);
- return fallback;
+ assert(!"unimplemented: abs unsigned immediate");
+ case BRW_REGISTER_TYPE_V:
+ assert(!"unimplemented: abs V immediate");
+ case BRW_REGISTER_TYPE_Q:
+ assert(!"unimplemented: abs Q immediate");
+ case BRW_REGISTER_TYPE_DF:
+ case BRW_REGISTER_TYPE_HF:
+ assert(!"unimplemented: abs DF/HF immediate");
}
+
+ return false;
}
backend_visitor::backend_visitor(struct brw_context *brw,
cfg(NULL),
stage(stage)
{
+ debug_enabled = INTEL_DEBUG & intel_debug_flag_for_shader_stage(stage);
+ stage_name = _mesa_shader_stage_to_string(stage);
+ stage_abbrev = _mesa_shader_stage_to_abbrev(stage);
}
bool
: fixed_hw_reg.dw1.d == 1;
}
+bool
+backend_reg::is_negative_one() const
+{
+ if (file != IMM)
+ return false;
+
+ switch (type) {
+ case BRW_REGISTER_TYPE_F:
+ return fixed_hw_reg.dw1.f == -1.0;
+ case BRW_REGISTER_TYPE_D:
+ return fixed_hw_reg.dw1.d == -1;
+ default:
+ return false;
+ }
+}
+
bool
backend_reg::is_null() const
{
fixed_hw_reg.nr == BRW_ARF_ACCUMULATOR;
}
+bool
+backend_reg::in_range(const backend_reg &r, unsigned n) const
+{
+ return (file == r.file &&
+ reg == r.reg &&
+ reg_offset >= r.reg_offset &&
+ reg_offset < r.reg_offset + n);
+}
+
+bool
+backend_instruction::is_commutative() const
+{
+ switch (opcode) {
+ case BRW_OPCODE_AND:
+ case BRW_OPCODE_OR:
+ case BRW_OPCODE_XOR:
+ case BRW_OPCODE_ADD:
+ case BRW_OPCODE_MUL:
+ return true;
+ case BRW_OPCODE_SEL:
+ /* MIN and MAX are commutative. */
+ if (conditional_mod == BRW_CONDITIONAL_GE ||
+ conditional_mod == BRW_CONDITIONAL_L) {
+ return true;
+ }
+ /* fallthrough */
+ default:
+ return false;
+ }
+}
+
+bool
+backend_instruction::is_3src() const
+{
+ return opcode < ARRAY_SIZE(opcode_descs) && opcode_descs[opcode].nsrc == 3;
+}
+
bool
backend_instruction::is_tex() const
{
}
}
+bool
+backend_instruction::can_do_cmod() const
+{
+ switch (opcode) {
+ case BRW_OPCODE_ADD:
+ case BRW_OPCODE_ADDC:
+ case BRW_OPCODE_AND:
+ case BRW_OPCODE_ASR:
+ case BRW_OPCODE_AVG:
+ case BRW_OPCODE_CMP:
+ case BRW_OPCODE_CMPN:
+ case BRW_OPCODE_DP2:
+ case BRW_OPCODE_DP3:
+ case BRW_OPCODE_DP4:
+ case BRW_OPCODE_DPH:
+ case BRW_OPCODE_F16TO32:
+ case BRW_OPCODE_F32TO16:
+ case BRW_OPCODE_FRC:
+ case BRW_OPCODE_LINE:
+ case BRW_OPCODE_LRP:
+ case BRW_OPCODE_LZD:
+ case BRW_OPCODE_MAC:
+ case BRW_OPCODE_MACH:
+ case BRW_OPCODE_MAD:
+ case BRW_OPCODE_MOV:
+ case BRW_OPCODE_MUL:
+ case BRW_OPCODE_NOT:
+ case BRW_OPCODE_OR:
+ case BRW_OPCODE_PLN:
+ case BRW_OPCODE_RNDD:
+ case BRW_OPCODE_RNDE:
+ case BRW_OPCODE_RNDU:
+ case BRW_OPCODE_RNDZ:
+ case BRW_OPCODE_SAD2:
+ case BRW_OPCODE_SADA2:
+ case BRW_OPCODE_SHL:
+ case BRW_OPCODE_SHR:
+ case BRW_OPCODE_SUBB:
+ case BRW_OPCODE_XOR:
+ case FS_OPCODE_CINTERP:
+ case FS_OPCODE_LINTERP:
+ return true;
+ default:
+ return false;
+ }
+}
+
bool
backend_instruction::reads_accumulator_implicitly() const
{
{
switch (opcode) {
case SHADER_OPCODE_UNTYPED_ATOMIC:
+ case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
+ case SHADER_OPCODE_URB_WRITE_SIMD8:
case FS_OPCODE_FB_WRITE:
return true;
default:
void
backend_instruction::insert_after(bblock_t *block, backend_instruction *inst)
{
- assert(inst_is_in_block(block, this) || !"Instruction not in block");
+ if (!this->is_head_sentinel())
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
block->end_ip++;
void
backend_instruction::insert_before(bblock_t *block, backend_instruction *inst)
{
- assert(inst_is_in_block(block, this) || !"Instruction not in block");
+ if (!this->is_tail_sentinel())
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
block->end_ip++;
file = stderr;
}
- int ip = 0;
- foreach_block_and_inst(block, backend_instruction, inst, cfg) {
- if (!name)
- fprintf(stderr, "%d: ", ip++);
- dump_instruction(inst, file);
+ if (cfg) {
+ int ip = 0;
+ foreach_block_and_inst(block, backend_instruction, inst, cfg) {
+ fprintf(file, "%4d: ", ip++);
+ dump_instruction(inst, file);
+ }
+ } else {
+ int ip = 0;
+ foreach_in_list(backend_instruction, inst, &instructions) {
+ fprintf(file, "%4d: ", ip++);
+ dump_instruction(inst, file);
+ }
}
if (file != stderr) {
stage_prog_data->binding_table.abo_start = 0xd0d0d0d0;
}
+ if (shader && shader->base.NumImages) {
+ stage_prog_data->binding_table.image_start = next_binding_table_offset;
+ next_binding_table_offset += shader->base.NumImages;
+ } else {
+ stage_prog_data->binding_table.image_start = 0xd0d0d0d0;
+ }
+
/* This may or may not be used depending on how the compile goes. */
stage_prog_data->binding_table.pull_constants_start = next_binding_table_offset;
next_binding_table_offset++;
projects / mesa.git / blobdiff