*/
#include "brw_vec4.h"
-#include "glsl/ir_print_visitor.h"
extern "C" {
#include "brw_eu.h"
#include "program/prog_parameter.h"
};
-using namespace brw;
-
namespace brw {
-int
-vec4_visitor::setup_attributes(int payload_reg)
-{
- int nr_attributes;
- int attribute_map[VERT_ATTRIB_MAX + 1];
-
- nr_attributes = 0;
- for (int i = 0; i < VERT_ATTRIB_MAX; i++) {
- if (prog_data->inputs_read & BITFIELD64_BIT(i)) {
- attribute_map[i] = payload_reg + nr_attributes;
- nr_attributes++;
- }
- }
-
- /* VertexID is stored by the VF as the last vertex element, but we
- * don't represent it with a flag in inputs_read, so we call it
- * VERT_ATTRIB_MAX.
- */
- if (prog_data->uses_vertexid) {
- attribute_map[VERT_ATTRIB_MAX] = payload_reg + nr_attributes;
- nr_attributes++;
- }
-
- foreach_list(node, &this->instructions) {
- vec4_instruction *inst = (vec4_instruction *)node;
-
- /* We have to support ATTR as a destination for GL_FIXED fixup. */
- if (inst->dst.file == ATTR) {
- int grf = attribute_map[inst->dst.reg + inst->dst.reg_offset];
-
- struct brw_reg reg = brw_vec8_grf(grf, 0);
- reg.dw1.bits.writemask = inst->dst.writemask;
-
- inst->dst.file = HW_REG;
- inst->dst.fixed_hw_reg = reg;
- }
-
- for (int i = 0; i < 3; i++) {
- if (inst->src[i].file != ATTR)
- continue;
-
- int grf = attribute_map[inst->src[i].reg + inst->src[i].reg_offset];
-
- struct brw_reg reg = brw_vec8_grf(grf, 0);
- reg.dw1.bits.swizzle = inst->src[i].swizzle;
- reg.type = inst->src[i].type;
- if (inst->src[i].abs)
- reg = brw_abs(reg);
- if (inst->src[i].negate)
- reg = negate(reg);
-
- inst->src[i].file = HW_REG;
- inst->src[i].fixed_hw_reg = reg;
- }
- }
-
- /* The BSpec says we always have to read at least one thing from
- * the VF, and it appears that the hardware wedges otherwise.
- */
- if (nr_attributes == 0)
- nr_attributes = 1;
-
- prog_data->urb_read_length = (nr_attributes + 1) / 2;
-
- unsigned vue_entries = MAX2(nr_attributes, c->prog_data.vue_map.num_slots);
-
- if (intel->gen == 6)
- c->prog_data.urb_entry_size = ALIGN(vue_entries, 8) / 8;
- else
- c->prog_data.urb_entry_size = ALIGN(vue_entries, 4) / 4;
-
- return payload_reg + nr_attributes;
-}
-
-int
-vec4_visitor::setup_uniforms(int reg)
-{
- /* The pre-gen6 VS requires that some push constants get loaded no
- * matter what, or the GPU would hang.
- */
- if (intel->gen < 6 && this->uniforms == 0) {
- this->uniform_vector_size[this->uniforms] = 1;
-
- for (unsigned int i = 0; i < 4; i++) {
- unsigned int slot = this->uniforms * 4 + i;
- static float zero = 0.0;
- c->prog_data.param[slot] = &zero;
- }
-
- this->uniforms++;
- reg++;
- } else {
- reg += ALIGN(uniforms, 2) / 2;
- }
-
- c->prog_data.nr_params = this->uniforms * 4;
-
- c->prog_data.curb_read_length = reg - 1;
-
- return reg;
-}
-
-void
-vec4_visitor::setup_payload(void)
-{
- int reg = 0;
-
- /* The payload always contains important data in g0, which contains
- * the URB handles that are passed on to the URB write at the end
- * of the thread. So, we always start push constants at g1.
- */
- reg++;
-
- reg = setup_uniforms(reg);
-
- reg = setup_attributes(reg);
-
- this->first_non_payload_grf = reg;
-}
-
struct brw_reg
vec4_instruction::get_dst(void)
{
}
struct brw_reg
-vec4_instruction::get_src(int i)
+vec4_instruction::get_src(const struct brw_vec4_prog_data *prog_data, int i)
{
struct brw_reg brw_reg;
break;
case UNIFORM:
- brw_reg = stride(brw_vec4_grf(1 + (src[i].reg + src[i].reg_offset) / 2,
+ brw_reg = stride(brw_vec4_grf(prog_data->dispatch_grf_start_reg +
+ (src[i].reg + src[i].reg_offset) / 2,
((src[i].reg + src[i].reg_offset) % 2) * 4),
0, 4, 1);
brw_reg = retype(brw_reg, src[i].type);
return brw_reg;
}
+vec4_generator::vec4_generator(struct brw_context *brw,
+ struct gl_shader_program *shader_prog,
+ struct gl_program *prog,
+ struct brw_vec4_prog_data *prog_data,
+ void *mem_ctx,
+ bool debug_flag)
+ : brw(brw), shader_prog(shader_prog), prog(prog), prog_data(prog_data),
+ mem_ctx(mem_ctx), debug_flag(debug_flag)
+{
+ shader = shader_prog ? shader_prog->_LinkedShaders[MESA_SHADER_VERTEX] : NULL;
+
+ p = rzalloc(mem_ctx, struct brw_compile);
+ brw_init_compile(brw, p, mem_ctx);
+}
+
+vec4_generator::~vec4_generator()
+{
+}
+
+void
+vec4_generator::mark_surface_used(unsigned surf_index)
+{
+ assert(surf_index < BRW_MAX_VS_SURFACES);
+
+ prog_data->binding_table_size = MAX2(prog_data->binding_table_size,
+ surf_index + 1);
+}
+
void
-vec4_visitor::generate_math1_gen4(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src)
+vec4_generator::generate_math1_gen4(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src)
{
brw_math(p,
dst,
}
void
-vec4_visitor::generate_math1_gen6(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src)
+vec4_generator::generate_math1_gen6(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src)
{
/* Can't do writemask because math can't be align16. */
assert(dst.dw1.bits.writemask == WRITEMASK_XYZW);
}
void
-vec4_visitor::generate_math2_gen7(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src0,
- struct brw_reg src1)
+vec4_generator::generate_math2_gen7(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src0,
+ struct brw_reg src1)
{
brw_math2(p,
dst,
}
void
-vec4_visitor::generate_math2_gen6(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src0,
- struct brw_reg src1)
+vec4_generator::generate_math2_gen6(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src0,
+ struct brw_reg src1)
{
/* Can't do writemask because math can't be align16. */
assert(dst.dw1.bits.writemask == WRITEMASK_XYZW);
}
void
-vec4_visitor::generate_math2_gen4(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src0,
- struct brw_reg src1)
+vec4_generator::generate_math2_gen4(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src0,
+ struct brw_reg src1)
{
/* From the Ironlake PRM, Volume 4, Part 1, Section 6.1.13
* "Message Payload":
}
void
-vec4_visitor::generate_tex(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src)
+vec4_generator::generate_tex(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src)
{
int msg_type = -1;
- if (intel->gen >= 5) {
+ if (brw->gen >= 5) {
switch (inst->opcode) {
case SHADER_OPCODE_TEX:
case SHADER_OPCODE_TXL:
}
break;
case SHADER_OPCODE_TXD:
- /* There is no sample_d_c message; comparisons are done manually. */
- msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_DERIVS;
+ if (inst->shadow_compare) {
+ /* Gen7.5+. Otherwise, lowered by brw_lower_texture_gradients(). */
+ assert(brw->is_haswell);
+ msg_type = HSW_SAMPLER_MESSAGE_SAMPLE_DERIV_COMPARE;
+ } else {
+ msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_DERIVS;
+ }
break;
case SHADER_OPCODE_TXF:
msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_LD;
break;
+ case SHADER_OPCODE_TXF_MS:
+ if (brw->gen >= 7)
+ msg_type = GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DMS;
+ else
+ msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_LD;
+ break;
case SHADER_OPCODE_TXS:
msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO;
break;
*/
if (inst->texture_offset) {
/* Explicitly set up the message header by copying g0 to the MRF. */
+ brw_push_insn_state(p);
+ brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_MOV(p, retype(brw_message_reg(inst->base_mrf), BRW_REGISTER_TYPE_UD),
retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD));
retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, inst->base_mrf, 2),
BRW_REGISTER_TYPE_UD),
brw_imm_uw(inst->texture_offset));
- brw_set_access_mode(p, BRW_ALIGN_16);
+ brw_pop_insn_state(p);
} else if (inst->header_present) {
/* Set up an implied move from g0 to the MRF. */
src = brw_vec8_grf(0, 0);
src,
SURF_INDEX_VS_TEXTURE(inst->sampler),
inst->sampler,
- WRITEMASK_XYZW,
msg_type,
1, /* response length */
inst->mlen,
inst->header_present,
BRW_SAMPLER_SIMD_MODE_SIMD4X2,
return_format);
+
+ mark_surface_used(SURF_INDEX_VS_TEXTURE(inst->sampler));
}
void
-vec4_visitor::generate_urb_write(vec4_instruction *inst)
+vec4_generator::generate_urb_write(vec4_instruction *inst)
{
brw_urb_WRITE(p,
brw_null_reg(), /* dest */
}
void
-vec4_visitor::generate_oword_dual_block_offsets(struct brw_reg m1,
- struct brw_reg index)
+vec4_generator::generate_oword_dual_block_offsets(struct brw_reg m1,
+ struct brw_reg index)
{
int second_vertex_offset;
- if (intel->gen >= 6)
+ if (brw->gen >= 6)
second_vertex_offset = 1;
else
second_vertex_offset = 16;
}
void
-vec4_visitor::generate_scratch_read(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg index)
+vec4_generator::generate_unpack_flags(vec4_instruction *inst,
+ struct brw_reg dst)
+{
+ brw_push_insn_state(p);
+ brw_set_mask_control(p, BRW_MASK_DISABLE);
+ brw_set_access_mode(p, BRW_ALIGN_1);
+
+ struct brw_reg flags = brw_flag_reg(0, 0);
+ struct brw_reg dst_0 = suboffset(vec1(dst), 0);
+ struct brw_reg dst_4 = suboffset(vec1(dst), 4);
+
+ brw_AND(p, dst_0, flags, brw_imm_ud(0x0f));
+ brw_AND(p, dst_4, flags, brw_imm_ud(0xf0));
+ brw_SHR(p, dst_4, dst_4, brw_imm_ud(4));
+
+ brw_pop_insn_state(p);
+}
+
+void
+vec4_generator::generate_scratch_read(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg index)
{
struct brw_reg header = brw_vec8_grf(0, 0);
uint32_t msg_type;
- if (intel->gen >= 6)
+ if (brw->gen >= 6)
msg_type = GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
- else if (intel->gen == 5 || intel->is_g4x)
+ else if (brw->gen == 5 || brw->is_g4x)
msg_type = G45_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
else
msg_type = BRW_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
struct brw_instruction *send = brw_next_insn(p, BRW_OPCODE_SEND);
brw_set_dest(p, send, dst);
brw_set_src0(p, send, header);
- if (intel->gen < 6)
+ if (brw->gen < 6)
send->header.destreg__conditionalmod = inst->base_mrf;
brw_set_dp_read_message(p, send,
255, /* binding table index: stateless access */
msg_type,
BRW_DATAPORT_READ_TARGET_RENDER_CACHE,
2, /* mlen */
+ true, /* header_present */
1 /* rlen */);
}
void
-vec4_visitor::generate_scratch_write(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg src,
- struct brw_reg index)
+vec4_generator::generate_scratch_write(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg src,
+ struct brw_reg index)
{
struct brw_reg header = brw_vec8_grf(0, 0);
bool write_commit;
uint32_t msg_type;
- if (intel->gen >= 7)
+ if (brw->gen >= 7)
msg_type = GEN7_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE;
- else if (intel->gen == 6)
+ else if (brw->gen == 6)
msg_type = GEN6_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE;
else
msg_type = BRW_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE;
* guaranteed and write commits only matter for inter-thread
* synchronization.
*/
- if (intel->gen >= 6) {
+ if (brw->gen >= 6) {
write_commit = false;
} else {
/* The visitor set up our destination register to be g0. This
struct brw_instruction *send = brw_next_insn(p, BRW_OPCODE_SEND);
brw_set_dest(p, send, dst);
brw_set_src0(p, send, header);
- if (intel->gen < 6)
+ if (brw->gen < 6)
send->header.destreg__conditionalmod = inst->base_mrf;
brw_set_dp_write_message(p, send,
255, /* binding table index: stateless access */
}
void
-vec4_visitor::generate_pull_constant_load(vec4_instruction *inst,
- struct brw_reg dst,
- struct brw_reg index,
- struct brw_reg offset)
+vec4_generator::generate_pull_constant_load(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg index,
+ struct brw_reg offset)
{
+ assert(brw->gen <= 7);
assert(index.file == BRW_IMMEDIATE_VALUE &&
index.type == BRW_REGISTER_TYPE_UD);
uint32_t surf_index = index.dw1.ud;
- if (intel->gen == 7) {
- gen6_resolve_implied_move(p, &offset, inst->base_mrf);
- brw_instruction *insn = brw_next_insn(p, BRW_OPCODE_SEND);
- brw_set_dest(p, insn, dst);
- brw_set_src0(p, insn, offset);
- brw_set_sampler_message(p, insn,
- surf_index,
- 0, /* LD message ignores sampler unit */
- GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
- 1, /* rlen */
- 1, /* mlen */
- false, /* no header */
- BRW_SAMPLER_SIMD_MODE_SIMD4X2,
- 0);
- return;
- }
-
struct brw_reg header = brw_vec8_grf(0, 0);
gen6_resolve_implied_move(p, &header, inst->base_mrf);
uint32_t msg_type;
- if (intel->gen >= 6)
+ if (brw->gen >= 6)
msg_type = GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
- else if (intel->gen == 5 || intel->is_g4x)
+ else if (brw->gen == 5 || brw->is_g4x)
msg_type = G45_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
else
msg_type = BRW_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ;
struct brw_instruction *send = brw_next_insn(p, BRW_OPCODE_SEND);
brw_set_dest(p, send, dst);
brw_set_src0(p, send, header);
- if (intel->gen < 6)
+ if (brw->gen < 6)
send->header.destreg__conditionalmod = inst->base_mrf;
brw_set_dp_read_message(p, send,
surf_index,
msg_type,
BRW_DATAPORT_READ_TARGET_DATA_CACHE,
2, /* mlen */
+ true, /* header_present */
1 /* rlen */);
+
+ mark_surface_used(surf_index);
+}
+
+void
+vec4_generator::generate_pull_constant_load_gen7(vec4_instruction *inst,
+ struct brw_reg dst,
+ struct brw_reg surf_index,
+ struct brw_reg offset)
+{
+ assert(surf_index.file == BRW_IMMEDIATE_VALUE &&
+ surf_index.type == BRW_REGISTER_TYPE_UD);
+
+ brw_instruction *insn = brw_next_insn(p, BRW_OPCODE_SEND);
+ brw_set_dest(p, insn, dst);
+ brw_set_src0(p, insn, offset);
+ brw_set_sampler_message(p, insn,
+ surf_index.dw1.ud,
+ 0, /* LD message ignores sampler unit */
+ GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
+ 1, /* rlen */
+ 1, /* mlen */
+ false, /* no header */
+ BRW_SAMPLER_SIMD_MODE_SIMD4X2,
+ 0);
+
+ mark_surface_used(surf_index.dw1.ud);
}
+/**
+ * Generate assembly for a Vec4 IR instruction.
+ *
+ * \param instruction The Vec4 IR instruction to generate code for.
+ * \param dst The destination register.
+ * \param src An array of up to three source registers.
+ */
void
-vec4_visitor::generate_vs_instruction(vec4_instruction *instruction,
- struct brw_reg dst,
- struct brw_reg *src)
+vec4_generator::generate_vec4_instruction(vec4_instruction *instruction,
+ struct brw_reg dst,
+ struct brw_reg *src)
{
- vec4_instruction *inst = (vec4_instruction *)instruction;
+ vec4_instruction *inst = (vec4_instruction *) instruction;
switch (inst->opcode) {
+ case BRW_OPCODE_MOV:
+ brw_MOV(p, dst, src[0]);
+ break;
+ case BRW_OPCODE_ADD:
+ brw_ADD(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_MUL:
+ brw_MUL(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_MACH:
+ brw_set_acc_write_control(p, 1);
+ brw_MACH(p, dst, src[0], src[1]);
+ brw_set_acc_write_control(p, 0);
+ break;
+
+ case BRW_OPCODE_MAD:
+ brw_MAD(p, dst, src[0], src[1], src[2]);
+ break;
+
+ case BRW_OPCODE_FRC:
+ brw_FRC(p, dst, src[0]);
+ break;
+ case BRW_OPCODE_RNDD:
+ brw_RNDD(p, dst, src[0]);
+ break;
+ case BRW_OPCODE_RNDE:
+ brw_RNDE(p, dst, src[0]);
+ break;
+ case BRW_OPCODE_RNDZ:
+ brw_RNDZ(p, dst, src[0]);
+ break;
+
+ case BRW_OPCODE_AND:
+ brw_AND(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_OR:
+ brw_OR(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_XOR:
+ brw_XOR(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_NOT:
+ brw_NOT(p, dst, src[0]);
+ break;
+ case BRW_OPCODE_ASR:
+ brw_ASR(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_SHR:
+ brw_SHR(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_SHL:
+ brw_SHL(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_CMP:
+ brw_CMP(p, dst, inst->conditional_mod, src[0], src[1]);
+ break;
+ case BRW_OPCODE_SEL:
+ brw_SEL(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_DPH:
+ brw_DPH(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_DP4:
+ brw_DP4(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_DP3:
+ brw_DP3(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_DP2:
+ brw_DP2(p, dst, src[0], src[1]);
+ break;
+
+ case BRW_OPCODE_F32TO16:
+ brw_F32TO16(p, dst, src[0]);
+ break;
+
+ case BRW_OPCODE_F16TO32:
+ brw_F16TO32(p, dst, src[0]);
+ break;
+
+ case BRW_OPCODE_LRP:
+ brw_LRP(p, dst, src[0], src[1], src[2]);
+ break;
+
+ case BRW_OPCODE_BFREV:
+ /* BFREV only supports UD type for src and dst. */
+ brw_BFREV(p, retype(dst, BRW_REGISTER_TYPE_UD),
+ retype(src[0], BRW_REGISTER_TYPE_UD));
+ break;
+ case BRW_OPCODE_FBH:
+ /* FBH only supports UD type for dst. */
+ brw_FBH(p, retype(dst, BRW_REGISTER_TYPE_UD), src[0]);
+ break;
+ case BRW_OPCODE_FBL:
+ /* FBL only supports UD type for dst. */
+ brw_FBL(p, retype(dst, BRW_REGISTER_TYPE_UD), src[0]);
+ break;
+ case BRW_OPCODE_CBIT:
+ /* CBIT only supports UD type for dst. */
+ brw_CBIT(p, retype(dst, BRW_REGISTER_TYPE_UD), src[0]);
+ break;
+
+ case BRW_OPCODE_BFE:
+ brw_BFE(p, dst, src[0], src[1], src[2]);
+ break;
+
+ case BRW_OPCODE_BFI1:
+ brw_BFI1(p, dst, src[0], src[1]);
+ break;
+ case BRW_OPCODE_BFI2:
+ brw_BFI2(p, dst, src[0], src[1], src[2]);
+ break;
+
+ case BRW_OPCODE_IF:
+ if (inst->src[0].file != BAD_FILE) {
+ /* The instruction has an embedded compare (only allowed on gen6) */
+ assert(brw->gen == 6);
+ gen6_IF(p, inst->conditional_mod, src[0], src[1]);
+ } else {
+ struct brw_instruction *brw_inst = brw_IF(p, BRW_EXECUTE_8);
+ brw_inst->header.predicate_control = inst->predicate;
+ }
+ break;
+
+ case BRW_OPCODE_ELSE:
+ brw_ELSE(p);
+ break;
+ case BRW_OPCODE_ENDIF:
+ brw_ENDIF(p);
+ break;
+
+ case BRW_OPCODE_DO:
+ brw_DO(p, BRW_EXECUTE_8);
+ break;
+
+ case BRW_OPCODE_BREAK:
+ brw_BREAK(p);
+ brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+ break;
+ case BRW_OPCODE_CONTINUE:
+ /* FINISHME: We need to write the loop instruction support still. */
+ if (brw->gen >= 6)
+ gen6_CONT(p);
+ else
+ brw_CONT(p);
+ brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+ break;
+
+ case BRW_OPCODE_WHILE:
+ brw_WHILE(p);
+ break;
+
case SHADER_OPCODE_RCP:
case SHADER_OPCODE_RSQ:
case SHADER_OPCODE_SQRT:
case SHADER_OPCODE_LOG2:
case SHADER_OPCODE_SIN:
case SHADER_OPCODE_COS:
- if (intel->gen == 6) {
+ if (brw->gen == 6) {
generate_math1_gen6(inst, dst, src[0]);
} else {
/* Also works for Gen7. */
case SHADER_OPCODE_POW:
case SHADER_OPCODE_INT_QUOTIENT:
case SHADER_OPCODE_INT_REMAINDER:
- if (intel->gen >= 7) {
+ if (brw->gen >= 7) {
generate_math2_gen7(inst, dst, src[0], src[1]);
- } else if (intel->gen == 6) {
+ } else if (brw->gen == 6) {
generate_math2_gen6(inst, dst, src[0], src[1]);
} else {
generate_math2_gen4(inst, dst, src[0], src[1]);
case SHADER_OPCODE_TEX:
case SHADER_OPCODE_TXD:
case SHADER_OPCODE_TXF:
+ case SHADER_OPCODE_TXF_MS:
case SHADER_OPCODE_TXL:
case SHADER_OPCODE_TXS:
generate_tex(inst, dst, src[0]);
generate_pull_constant_load(inst, dst, src[0], src[1]);
break;
- default:
- if (inst->opcode < (int)ARRAY_SIZE(brw_opcodes)) {
- fail("unsupported opcode in `%s' in VS\n",
- brw_opcodes[inst->opcode].name);
- } else {
- fail("Unsupported opcode %d in VS", inst->opcode);
- }
- }
-}
-
-bool
-vec4_visitor::run()
-{
- /* Generate VS IR for main(). (the visitor only descends into
- * functions called "main").
- */
- if (shader) {
- visit_instructions(shader->ir);
- } else {
- emit_vertex_program_code();
- }
+ case VS_OPCODE_PULL_CONSTANT_LOAD_GEN7:
+ generate_pull_constant_load_gen7(inst, dst, src[0], src[1]);
+ break;
- if (c->key.userclip_active && !c->key.uses_clip_distance)
- setup_uniform_clipplane_values();
+ case SHADER_OPCODE_SHADER_TIME_ADD:
+ brw_shader_time_add(p, src[0], SURF_INDEX_VS_SHADER_TIME);
+ mark_surface_used(SURF_INDEX_VS_SHADER_TIME);
+ break;
- emit_urb_writes();
+ case VS_OPCODE_UNPACK_FLAGS_SIMD4X2:
+ generate_unpack_flags(inst, dst);
+ break;
- /* Before any optimization, push array accesses out to scratch
- * space where we need them to be. This pass may allocate new
- * virtual GRFs, so we want to do it early. It also makes sure
- * that we have reladdr computations available for CSE, since we'll
- * often do repeated subexpressions for those.
- */
- if (shader) {
- move_grf_array_access_to_scratch();
- move_uniform_array_access_to_pull_constants();
- } else {
- /* The ARB_vertex_program frontend emits pull constant loads directly
- * rather than using reladdr, so we don't need to walk through all the
- * instructions looking for things to move. There isn't anything.
- *
- * We do still need to split things to vec4 size.
- */
- split_uniform_registers();
- }
- pack_uniform_registers();
- move_push_constants_to_pull_constants();
- split_virtual_grfs();
-
- bool progress;
- do {
- progress = false;
- progress = dead_code_eliminate() || progress;
- progress = opt_copy_propagation() || progress;
- progress = opt_algebraic() || progress;
- progress = opt_compute_to_mrf() || progress;
- } while (progress);
-
-
- if (failed)
- return false;
-
- setup_payload();
-
- if (false) {
- /* Debug of register spilling: Go spill everything. */
- const int grf_count = virtual_grf_count;
- float spill_costs[virtual_grf_count];
- bool no_spill[virtual_grf_count];
- evaluate_spill_costs(spill_costs, no_spill);
- for (int i = 0; i < grf_count; i++) {
- if (no_spill[i])
- continue;
- spill_reg(i);
+ default:
+ if (inst->opcode < (int) ARRAY_SIZE(opcode_descs)) {
+ _mesa_problem(ctx, "Unsupported opcode in `%s' in VS\n",
+ opcode_descs[inst->opcode].name);
+ } else {
+ _mesa_problem(ctx, "Unsupported opcode %d in VS", inst->opcode);
}
+ abort();
}
-
- while (!reg_allocate()) {
- if (failed)
- break;
- }
-
- if (failed)
- return false;
-
- brw_set_access_mode(p, BRW_ALIGN_16);
-
- generate_code();
-
- return !failed;
}
void
-vec4_visitor::generate_code()
+vec4_generator::generate_code(exec_list *instructions)
{
int last_native_insn_offset = 0;
const char *last_annotation_string = NULL;
const void *last_annotation_ir = NULL;
- if (unlikely(INTEL_DEBUG & DEBUG_VS)) {
+ if (unlikely(debug_flag)) {
if (shader) {
- printf("Native code for vertex shader %d:\n", prog->Name);
+ printf("Native code for vertex shader %d:\n", shader_prog->Name);
} else {
- printf("Native code for vertex program %d:\n", c->vp->program.Base.Id);
+ printf("Native code for vertex program %d:\n", prog->Id);
}
}
- foreach_list(node, &this->instructions) {
+ foreach_list(node, instructions) {
vec4_instruction *inst = (vec4_instruction *)node;
struct brw_reg src[3], dst;
- if (unlikely(INTEL_DEBUG & DEBUG_VS)) {
+ if (unlikely(debug_flag)) {
if (last_annotation_ir != inst->ir) {
last_annotation_ir = inst->ir;
if (last_annotation_ir) {
} else {
const prog_instruction *vpi;
vpi = (const prog_instruction *) inst->ir;
- printf("%d: ", (int)(vpi - vp->Base.Instructions));
+ printf("%d: ", (int)(vpi - prog->Instructions));
_mesa_fprint_instruction_opt(stdout, vpi, 0,
PROG_PRINT_DEBUG, NULL);
}
}
for (unsigned int i = 0; i < 3; i++) {
- src[i] = inst->get_src(i);
+ src[i] = inst->get_src(this->prog_data, i);
}
dst = inst->get_dst();
brw_set_predicate_control(p, inst->predicate);
brw_set_predicate_inverse(p, inst->predicate_inverse);
brw_set_saturate(p, inst->saturate);
+ brw_set_mask_control(p, inst->force_writemask_all);
- switch (inst->opcode) {
- case BRW_OPCODE_MOV:
- brw_MOV(p, dst, src[0]);
- break;
- case BRW_OPCODE_ADD:
- brw_ADD(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_MUL:
- brw_MUL(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_MACH:
- brw_set_acc_write_control(p, 1);
- brw_MACH(p, dst, src[0], src[1]);
- brw_set_acc_write_control(p, 0);
- break;
-
- case BRW_OPCODE_FRC:
- brw_FRC(p, dst, src[0]);
- break;
- case BRW_OPCODE_RNDD:
- brw_RNDD(p, dst, src[0]);
- break;
- case BRW_OPCODE_RNDE:
- brw_RNDE(p, dst, src[0]);
- break;
- case BRW_OPCODE_RNDZ:
- brw_RNDZ(p, dst, src[0]);
- break;
-
- case BRW_OPCODE_AND:
- brw_AND(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_OR:
- brw_OR(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_XOR:
- brw_XOR(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_NOT:
- brw_NOT(p, dst, src[0]);
- break;
- case BRW_OPCODE_ASR:
- brw_ASR(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_SHR:
- brw_SHR(p, dst, src[0], src[1]);
- break;
- case BRW_OPCODE_SHL:
- brw_SHL(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_CMP:
- brw_CMP(p, dst, inst->conditional_mod, src[0], src[1]);
- break;
- case BRW_OPCODE_SEL:
- brw_SEL(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_DPH:
- brw_DPH(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_DP4:
- brw_DP4(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_DP3:
- brw_DP3(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_DP2:
- brw_DP2(p, dst, src[0], src[1]);
- break;
-
- case BRW_OPCODE_IF:
- if (inst->src[0].file != BAD_FILE) {
- /* The instruction has an embedded compare (only allowed on gen6) */
- assert(intel->gen == 6);
- gen6_IF(p, inst->conditional_mod, src[0], src[1]);
- } else {
- struct brw_instruction *brw_inst = brw_IF(p, BRW_EXECUTE_8);
- brw_inst->header.predicate_control = inst->predicate;
- }
- break;
-
- case BRW_OPCODE_ELSE:
- brw_ELSE(p);
- break;
- case BRW_OPCODE_ENDIF:
- brw_ENDIF(p);
- break;
+ unsigned pre_emit_nr_insn = p->nr_insn;
- case BRW_OPCODE_DO:
- brw_DO(p, BRW_EXECUTE_8);
- break;
+ generate_vec4_instruction(inst, dst, src);
- case BRW_OPCODE_BREAK:
- brw_BREAK(p);
- brw_set_predicate_control(p, BRW_PREDICATE_NONE);
- break;
- case BRW_OPCODE_CONTINUE:
- /* FINISHME: We need to write the loop instruction support still. */
- if (intel->gen >= 6)
- gen6_CONT(p);
- else
- brw_CONT(p);
- brw_set_predicate_control(p, BRW_PREDICATE_NONE);
- break;
+ if (inst->no_dd_clear || inst->no_dd_check) {
+ assert(p->nr_insn == pre_emit_nr_insn + 1 ||
+ !"no_dd_check or no_dd_clear set for IR emitting more "
+ "than 1 instruction");
- case BRW_OPCODE_WHILE:
- brw_WHILE(p);
- break;
+ struct brw_instruction *last = &p->store[pre_emit_nr_insn];
- default:
- generate_vs_instruction(inst, dst, src);
- break;
+ if (inst->no_dd_clear)
+ last->header.dependency_control |= BRW_DEPENDENCY_NOTCLEARED;
+ if (inst->no_dd_check)
+ last->header.dependency_control |= BRW_DEPENDENCY_NOTCHECKED;
}
- if (unlikely(INTEL_DEBUG & DEBUG_VS)) {
+ if (unlikely(debug_flag)) {
brw_dump_compile(p, stdout,
last_native_insn_offset, p->next_insn_offset);
}
last_native_insn_offset = p->next_insn_offset;
}
- if (unlikely(INTEL_DEBUG & DEBUG_VS)) {
+ if (unlikely(debug_flag)) {
printf("\n");
}
* which is often something we want to debug. So this is here in
* case you're doing that.
*/
- if (0 && unlikely(INTEL_DEBUG & DEBUG_VS)) {
+ if (0 && unlikely(debug_flag)) {
brw_dump_compile(p, stdout, 0, p->next_insn_offset);
}
}
-extern "C" {
-
-bool
-brw_vs_emit(struct gl_shader_program *prog, struct brw_vs_compile *c)
+const unsigned *
+vec4_generator::generate_assembly(exec_list *instructions,
+ unsigned *assembly_size)
{
- struct brw_context *brw = c->func.brw;
- struct intel_context *intel = &c->func.brw->intel;
- bool start_busy = false;
- float start_time = 0;
-
- if (unlikely(INTEL_DEBUG & DEBUG_PERF)) {
- start_busy = (intel->batch.last_bo &&
- drm_intel_bo_busy(intel->batch.last_bo));
- start_time = get_time();
- }
-
- struct brw_shader *shader = NULL;
- if (prog)
- shader = (brw_shader *) prog->_LinkedShaders[MESA_SHADER_VERTEX];
-
- if (unlikely(INTEL_DEBUG & DEBUG_VS)) {
- if (shader) {
- printf("GLSL IR for native vertex shader %d:\n", prog->Name);
- _mesa_print_ir(shader->ir, NULL);
- printf("\n\n");
- } else {
- printf("ARB_vertex_program %d for native vertex shader\n",
- c->vp->program.Base.Id);
- _mesa_print_program(&c->vp->program.Base);
- }
- }
-
- if (unlikely(INTEL_DEBUG & DEBUG_PERF) && shader) {
- if (shader->compiled_once) {
- brw_vs_debug_recompile(brw, prog, &c->key);
- }
- if (start_busy && !drm_intel_bo_busy(intel->batch.last_bo)) {
- perf_debug("VS compile took %.03f ms and stalled the GPU\n",
- (get_time() - start_time) * 1000);
- }
- shader->compiled_once = true;
- }
-
- vec4_visitor v(c, prog, shader);
- if (!v.run()) {
- prog->LinkStatus = false;
- ralloc_strcat(&prog->InfoLog, v.fail_msg);
- return false;
- }
-
- return true;
+ brw_set_access_mode(p, BRW_ALIGN_16);
+ generate_code(instructions);
+ return brw_get_program(p, assembly_size);
}
-} /* extern "C" */
-
} /* namespace brw */