}
}
+static inline unsigned
+brw_message_desc_mlen(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ if (devinfo->gen >= 5)
+ return GET_BITS(desc, 28, 25);
+ else
+ return GET_BITS(desc, 23, 20);
+}
+
+static inline unsigned
+brw_message_desc_rlen(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ if (devinfo->gen >= 5)
+ return GET_BITS(desc, 24, 20);
+ else
+ return GET_BITS(desc, 19, 16);
+}
+
+static inline bool
+brw_message_desc_header_present(MAYBE_UNUSED const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ assert(devinfo->gen >= 5);
+ return GET_BITS(desc, 19, 19);
+}
+
+static inline unsigned
+brw_message_ex_desc(UNUSED const struct gen_device_info *devinfo,
+ unsigned ex_msg_length)
+{
+ return SET_BITS(ex_msg_length, 9, 6);
+}
+
+static inline unsigned
+brw_message_ex_desc_ex_mlen(UNUSED const struct gen_device_info *devinfo,
+ uint32_t ex_desc)
+{
+ return GET_BITS(ex_desc, 9, 6);
+}
+
/**
* Construct a message descriptor immediate with the specified sampler
* function controls.
SET_BITS(msg_type, 15, 14));
}
+static inline unsigned
+brw_sampler_desc_binding_table_index(UNUSED const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ return GET_BITS(desc, 7, 0);
+}
+
+static inline unsigned
+brw_sampler_desc_sampler(UNUSED const struct gen_device_info *devinfo, uint32_t desc)
+{
+ return GET_BITS(desc, 11, 8);
+}
+
+static inline unsigned
+brw_sampler_desc_msg_type(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ if (devinfo->gen >= 7)
+ return GET_BITS(desc, 16, 12);
+ else if (devinfo->gen >= 5 || devinfo->is_g4x)
+ return GET_BITS(desc, 15, 12);
+ else
+ return GET_BITS(desc, 15, 14);
+}
+
+static inline unsigned
+brw_sampler_desc_simd_mode(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ assert(devinfo->gen >= 5);
+ if (devinfo->gen >= 7)
+ return GET_BITS(desc, 18, 17);
+ else
+ return GET_BITS(desc, 17, 16);
+}
+
+static inline unsigned
+brw_sampler_desc_return_format(MAYBE_UNUSED const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ assert(devinfo->gen == 4 && !devinfo->is_g4x);
+ return GET_BITS(desc, 13, 12);
+}
+
+/**
+ * Construct a message descriptor for the dataport
+ */
+static inline uint32_t
+brw_dp_desc(const struct gen_device_info *devinfo,
+ unsigned binding_table_index,
+ unsigned msg_type,
+ unsigned msg_control)
+{
+ /* Prior to gen6, things are too inconsistent; use the dp_read/write_desc
+ * helpers instead.
+ */
+ assert(devinfo->gen >= 6);
+ const unsigned desc = SET_BITS(binding_table_index, 7, 0);
+ if (devinfo->gen >= 8) {
+ return (desc | SET_BITS(msg_control, 13, 8) |
+ SET_BITS(msg_type, 18, 14));
+ } else if (devinfo->gen >= 7) {
+ return (desc | SET_BITS(msg_control, 13, 8) |
+ SET_BITS(msg_type, 17, 14));
+ } else {
+ return (desc | SET_BITS(msg_control, 12, 8) |
+ SET_BITS(msg_type, 16, 13));
+ }
+}
+
+static inline unsigned
+brw_dp_desc_binding_table_index(UNUSED const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ return GET_BITS(desc, 7, 0);
+}
+
+static inline unsigned
+brw_dp_desc_msg_type(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ assert(devinfo->gen >= 6);
+ if (devinfo->gen >= 8)
+ return GET_BITS(desc, 18, 14);
+ else if (devinfo->gen >= 7)
+ return GET_BITS(desc, 17, 14);
+ else
+ return GET_BITS(desc, 16, 13);
+}
+
+static inline unsigned
+brw_dp_desc_msg_control(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ assert(devinfo->gen >= 6);
+ if (devinfo->gen >= 7)
+ return GET_BITS(desc, 13, 8);
+ else
+ return GET_BITS(desc, 12, 8);
+}
+
/**
* Construct a message descriptor immediate with the specified dataport read
* function controls.
unsigned msg_type,
unsigned target_cache)
{
- const unsigned desc = SET_BITS(binding_table_index, 7, 0);
- if (devinfo->gen >= 7)
- return (desc | SET_BITS(msg_control, 13, 8) |
- SET_BITS(msg_type, 17, 14));
- else if (devinfo->gen >= 6)
- return (desc | SET_BITS(msg_control, 12, 8) |
- SET_BITS(msg_type, 16, 13));
+ if (devinfo->gen >= 6)
+ return brw_dp_desc(devinfo, binding_table_index, msg_type, msg_control);
else if (devinfo->gen >= 5 || devinfo->is_g4x)
- return (desc | SET_BITS(msg_control, 10, 8) |
+ return (SET_BITS(binding_table_index, 7, 0) |
+ SET_BITS(msg_control, 10, 8) |
SET_BITS(msg_type, 13, 11) |
SET_BITS(target_cache, 15, 14));
else
- return (desc | SET_BITS(msg_control, 11, 8) |
+ return (SET_BITS(binding_table_index, 7, 0) |
+ SET_BITS(msg_control, 11, 8) |
SET_BITS(msg_type, 13, 12) |
SET_BITS(target_cache, 15, 14));
}
+static inline unsigned
+brw_dp_read_desc_msg_type(const struct gen_device_info *devinfo, uint32_t desc)
+{
+ if (devinfo->gen >= 6)
+ return brw_dp_desc_msg_type(devinfo, desc);
+ else if (devinfo->gen >= 5 || devinfo->is_g4x)
+ return GET_BITS(desc, 13, 11);
+ else
+ return GET_BITS(desc, 13, 12);
+}
+
+static inline unsigned
+brw_dp_read_desc_msg_control(const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ if (devinfo->gen >= 6)
+ return brw_dp_desc_msg_control(devinfo, desc);
+ else if (devinfo->gen >= 5 || devinfo->is_g4x)
+ return GET_BITS(desc, 10, 8);
+ else
+ return GET_BITS(desc, 11, 8);
+}
+
/**
* Construct a message descriptor immediate with the specified dataport write
* function controls.
unsigned last_render_target,
unsigned send_commit_msg)
{
- const unsigned desc = SET_BITS(binding_table_index, 7, 0);
- if (devinfo->gen >= 7)
- return (desc | SET_BITS(msg_control, 13, 8) |
- SET_BITS(last_render_target, 12, 12) |
- SET_BITS(msg_type, 17, 14));
- else if (devinfo->gen >= 6)
- return (desc | SET_BITS(msg_control, 12, 8) |
- SET_BITS(last_render_target, 12, 12) |
- SET_BITS(msg_type, 16, 13) |
- SET_BITS(send_commit_msg, 17, 17));
+ assert(devinfo->gen <= 6 || !send_commit_msg);
+ if (devinfo->gen >= 6)
+ return brw_dp_desc(devinfo, binding_table_index, msg_type, msg_control) |
+ SET_BITS(last_render_target, 12, 12) |
+ SET_BITS(send_commit_msg, 17, 17);
else
- return (desc | SET_BITS(msg_control, 11, 8) |
+ return (SET_BITS(binding_table_index, 7, 0) |
+ SET_BITS(msg_control, 11, 8) |
SET_BITS(last_render_target, 11, 11) |
SET_BITS(msg_type, 14, 12) |
SET_BITS(send_commit_msg, 15, 15));
}
+static inline unsigned
+brw_dp_write_desc_msg_type(const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ if (devinfo->gen >= 6)
+ return brw_dp_desc_msg_type(devinfo, desc);
+ else
+ return GET_BITS(desc, 14, 12);
+}
+
+static inline unsigned
+brw_dp_write_desc_msg_control(const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ if (devinfo->gen >= 6)
+ return brw_dp_desc_msg_control(devinfo, desc);
+ else
+ return GET_BITS(desc, 11, 8);
+}
+
+static inline bool
+brw_dp_write_desc_last_render_target(const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ if (devinfo->gen >= 6)
+ return GET_BITS(desc, 12, 12);
+ else
+ return GET_BITS(desc, 11, 11);
+}
+
+static inline bool
+brw_dp_write_desc_write_commit(const struct gen_device_info *devinfo,
+ uint32_t desc)
+{
+ assert(devinfo->gen <= 6);
+ if (devinfo->gen >= 6)
+ return GET_BITS(desc, 17, 17);
+ else
+ return GET_BITS(desc, 15, 15);
+}
+
/**
* Construct a message descriptor immediate with the specified dataport
* surface function controls.
unsigned msg_control)
{
assert(devinfo->gen >= 7);
- if (devinfo->gen >= 8) {
- return (SET_BITS(msg_control, 13, 8) |
- SET_BITS(msg_type, 18, 14));
+ /* We'll OR in the binding table index later */
+ return brw_dp_desc(devinfo, 0, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_untyped_atomic_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size, /**< 0 for SIMD4x2 */
+ unsigned atomic_op,
+ bool response_expected)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+
+ unsigned msg_type;
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ if (exec_size > 0) {
+ msg_type = HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP;
+ } else {
+ msg_type = HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2;
+ }
} else {
- return (SET_BITS(msg_control, 13, 8) |
- SET_BITS(msg_type, 17, 14));
+ msg_type = GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP;
+ }
+
+ const unsigned msg_control =
+ SET_BITS(atomic_op, 3, 0) |
+ SET_BITS(0 < exec_size && exec_size <= 8, 4, 4) |
+ SET_BITS(response_expected, 5, 5);
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_untyped_atomic_float_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size,
+ unsigned atomic_op,
+ bool response_expected)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+ assert(devinfo->gen >= 9);
+
+ assert(exec_size > 0);
+ const unsigned msg_type = GEN9_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_FLOAT_OP;
+
+ const unsigned msg_control =
+ SET_BITS(atomic_op, 1, 0) |
+ SET_BITS(exec_size <= 8, 4, 4) |
+ SET_BITS(response_expected, 5, 5);
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
+}
+
+static inline unsigned
+brw_mdc_cmask(unsigned num_channels)
+{
+ /* See also MDC_CMASK in the SKL PRM Vol 2d. */
+ return 0xf & (0xf << num_channels);
+}
+
+static inline uint32_t
+brw_dp_untyped_surface_rw_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size, /**< 0 for SIMD4x2 */
+ unsigned num_channels,
+ bool write)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+
+ unsigned msg_type;
+ if (write) {
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ msg_type = HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_WRITE;
+ } else {
+ msg_type = GEN7_DATAPORT_DC_UNTYPED_SURFACE_WRITE;
+ }
+ } else {
+ /* Read */
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ msg_type = HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ;
+ } else {
+ msg_type = GEN7_DATAPORT_DC_UNTYPED_SURFACE_READ;
+ }
+ }
+
+ /* SIMD4x2 is only valid for read messages on IVB; use SIMD8 instead */
+ if (write && devinfo->gen == 7 && !devinfo->is_haswell && exec_size == 0)
+ exec_size = 8;
+
+ /* See also MDC_SM3 in the SKL PRM Vol 2d. */
+ const unsigned simd_mode = exec_size == 0 ? 0 : /* SIMD4x2 */
+ exec_size <= 8 ? 2 : 1;
+
+ const unsigned msg_control =
+ SET_BITS(brw_mdc_cmask(num_channels), 3, 0) |
+ SET_BITS(simd_mode, 5, 4);
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
+}
+
+static inline unsigned
+brw_mdc_ds(unsigned bit_size)
+{
+ switch (bit_size) {
+ case 8:
+ return GEN7_BYTE_SCATTERED_DATA_ELEMENT_BYTE;
+ case 16:
+ return GEN7_BYTE_SCATTERED_DATA_ELEMENT_WORD;
+ case 32:
+ return GEN7_BYTE_SCATTERED_DATA_ELEMENT_DWORD;
+ default:
+ unreachable("Unsupported bit_size for byte scattered messages");
+ }
+}
+
+static inline uint32_t
+brw_dp_byte_scattered_rw_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size,
+ unsigned bit_size,
+ bool write)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+
+ assert(devinfo->gen > 7 || devinfo->is_haswell);
+ const unsigned msg_type =
+ write ? HSW_DATAPORT_DC_PORT0_BYTE_SCATTERED_WRITE :
+ HSW_DATAPORT_DC_PORT0_BYTE_SCATTERED_READ;
+
+ assert(exec_size > 0);
+ const unsigned msg_control =
+ SET_BITS(exec_size == 16, 0, 0) |
+ SET_BITS(brw_mdc_ds(bit_size), 3, 2);
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_a64_untyped_surface_rw_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size, /**< 0 for SIMD4x2 */
+ unsigned num_channels,
+ bool write)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+ assert(devinfo->gen >= 8);
+
+ unsigned msg_type =
+ write ? GEN8_DATAPORT_DC_PORT1_A64_UNTYPED_SURFACE_WRITE :
+ GEN8_DATAPORT_DC_PORT1_A64_UNTYPED_SURFACE_READ;
+
+ /* See also MDC_SM3 in the SKL PRM Vol 2d. */
+ const unsigned simd_mode = exec_size == 0 ? 0 : /* SIMD4x2 */
+ exec_size <= 8 ? 2 : 1;
+
+ const unsigned msg_control =
+ SET_BITS(brw_mdc_cmask(num_channels), 3, 0) |
+ SET_BITS(simd_mode, 5, 4);
+
+ return brw_dp_desc(devinfo, BRW_BTI_STATELESS, msg_type, msg_control);
+}
+
+/**
+ * Calculate the data size (see MDC_A64_DS in the "Structures" volume of the
+ * Skylake PRM).
+ */
+static inline uint32_t
+brw_mdc_a64_ds(unsigned elems)
+{
+ switch (elems) {
+ case 1: return 0;
+ case 2: return 1;
+ case 4: return 2;
+ case 8: return 3;
+ default:
+ unreachable("Unsupported elmeent count for A64 scattered message");
+ }
+}
+
+static inline uint32_t
+brw_dp_a64_byte_scattered_rw_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size, /**< 0 for SIMD4x2 */
+ unsigned bit_size,
+ bool write)
+{
+ assert(exec_size <= 8 || exec_size == 16);
+ assert(devinfo->gen >= 8);
+
+ unsigned msg_type =
+ write ? GEN8_DATAPORT_DC_PORT1_A64_SCATTERED_WRITE :
+ GEN9_DATAPORT_DC_PORT1_A64_SCATTERED_READ;
+
+ const unsigned msg_control =
+ SET_BITS(GEN8_A64_SCATTERED_SUBTYPE_BYTE, 1, 0) |
+ SET_BITS(brw_mdc_a64_ds(bit_size / 8), 3, 2) |
+ SET_BITS(exec_size == 16, 4, 4);
+
+ return brw_dp_desc(devinfo, BRW_BTI_STATELESS, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_a64_untyped_atomic_desc(const struct gen_device_info *devinfo,
+ MAYBE_UNUSED unsigned exec_size, /**< 0 for SIMD4x2 */
+ unsigned bit_size,
+ unsigned atomic_op,
+ bool response_expected)
+{
+ assert(exec_size == 8);
+ assert(devinfo->gen >= 8);
+ assert(bit_size == 32 || bit_size == 64);
+
+ const unsigned msg_type = GEN8_DATAPORT_DC_PORT1_A64_UNTYPED_ATOMIC_OP;
+
+ const unsigned msg_control =
+ SET_BITS(atomic_op, 3, 0) |
+ SET_BITS(bit_size == 64, 4, 4) |
+ SET_BITS(response_expected, 5, 5);
+
+ return brw_dp_desc(devinfo, BRW_BTI_STATELESS, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_a64_untyped_atomic_float_desc(const struct gen_device_info *devinfo,
+ MAYBE_UNUSED unsigned exec_size,
+ unsigned atomic_op,
+ bool response_expected)
+{
+ assert(exec_size == 8);
+ assert(devinfo->gen >= 9);
+
+ assert(exec_size > 0);
+ const unsigned msg_type = GEN9_DATAPORT_DC_PORT1_A64_UNTYPED_ATOMIC_FLOAT_OP;
+
+ const unsigned msg_control =
+ SET_BITS(atomic_op, 1, 0) |
+ SET_BITS(response_expected, 5, 5);
+
+ return brw_dp_desc(devinfo, BRW_BTI_STATELESS, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_typed_atomic_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size,
+ unsigned exec_group,
+ unsigned atomic_op,
+ bool response_expected)
+{
+ assert(exec_size > 0 || exec_group == 0);
+ assert(exec_group % 8 == 0);
+
+ unsigned msg_type;
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ if (exec_size == 0) {
+ msg_type = HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2;
+ } else {
+ msg_type = HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP;
+ }
+ } else {
+ /* SIMD4x2 typed surface R/W messages only exist on HSW+ */
+ assert(exec_size > 0);
+ msg_type = GEN7_DATAPORT_RC_TYPED_ATOMIC_OP;
}
+
+ const bool high_sample_mask = (exec_group / 8) % 2 == 1;
+
+ const unsigned msg_control =
+ SET_BITS(atomic_op, 3, 0) |
+ SET_BITS(high_sample_mask, 4, 4) |
+ SET_BITS(response_expected, 5, 5);
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
+}
+
+static inline uint32_t
+brw_dp_typed_surface_rw_desc(const struct gen_device_info *devinfo,
+ unsigned exec_size,
+ unsigned exec_group,
+ unsigned num_channels,
+ bool write)
+{
+ assert(exec_size > 0 || exec_group == 0);
+ assert(exec_group % 8 == 0);
+
+ /* Typed surface reads and writes don't support SIMD16 */
+ assert(exec_size <= 8);
+
+ unsigned msg_type;
+ if (write) {
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ msg_type = HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE;
+ } else {
+ msg_type = GEN7_DATAPORT_RC_TYPED_SURFACE_WRITE;
+ }
+ } else {
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ msg_type = HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ;
+ } else {
+ msg_type = GEN7_DATAPORT_RC_TYPED_SURFACE_READ;
+ }
+ }
+
+ /* See also MDC_SG3 in the SKL PRM Vol 2d. */
+ unsigned msg_control;
+ if (devinfo->gen >= 8 || devinfo->is_haswell) {
+ /* See also MDC_SG3 in the SKL PRM Vol 2d. */
+ const unsigned slot_group = exec_size == 0 ? 0 : /* SIMD4x2 */
+ 1 + ((exec_group / 8) % 2);
+
+ msg_control =
+ SET_BITS(brw_mdc_cmask(num_channels), 3, 0) |
+ SET_BITS(slot_group, 5, 4);
+ } else {
+ /* SIMD4x2 typed surface R/W messages only exist on HSW+ */
+ assert(exec_size > 0);
+ const unsigned slot_group = ((exec_group / 8) % 2);
+
+ msg_control =
+ SET_BITS(brw_mdc_cmask(num_channels), 3, 0) |
+ SET_BITS(slot_group, 5, 5);
+ }
+
+ return brw_dp_surface_desc(devinfo, msg_type, msg_control);
}
/**
* interpolator function controls.
*/
static inline uint32_t
-brw_pixel_interp_desc(const struct gen_device_info *devinfo,
+brw_pixel_interp_desc(UNUSED const struct gen_device_info *devinfo,
unsigned msg_type,
bool noperspective,
unsigned simd_mode,
struct brw_reg dst,
struct brw_reg payload,
struct brw_reg desc,
- unsigned desc_imm);
+ unsigned desc_imm,
+ bool eot);
+
+void
+brw_send_indirect_split_message(struct brw_codegen *p,
+ unsigned sfid,
+ struct brw_reg dst,
+ struct brw_reg payload0,
+ struct brw_reg payload1,
+ struct brw_reg desc,
+ unsigned desc_imm,
+ struct brw_reg ex_desc,
+ unsigned ex_desc_imm,
+ bool eot);
void brw_ff_sync(struct brw_codegen *p,
struct brw_reg dest,
unsigned num_channels,
bool header_present);
-void
-brw_typed_atomic(struct brw_codegen *p,
- struct brw_reg dst,
- struct brw_reg payload,
- struct brw_reg surface,
- unsigned atomic_op,
- unsigned msg_length,
- bool response_expected,
- bool header_present);
-
-void
-brw_typed_surface_read(struct brw_codegen *p,
- struct brw_reg dst,
- struct brw_reg payload,
- struct brw_reg surface,
- unsigned msg_length,
- unsigned num_channels,
- bool header_present);
-
-void
-brw_typed_surface_write(struct brw_codegen *p,
- struct brw_reg payload,
- struct brw_reg surface,
- unsigned msg_length,
- unsigned num_channels,
- bool header_present);
-
-void
-brw_byte_scattered_read(struct brw_codegen *p,
- struct brw_reg dst,
- struct brw_reg payload,
- struct brw_reg surface,
- unsigned msg_length,
- unsigned bit_size);
-
-void
-brw_byte_scattered_write(struct brw_codegen *p,
- struct brw_reg payload,
- struct brw_reg surface,
- unsigned msg_length,
- unsigned bit_size,
- bool header_present);
-
void
brw_memory_fence(struct brw_codegen *p,
struct brw_reg dst,