[Mesa-dev] [PATCH 12/13] i965: Add typed surface access opcodes.
Pohjolainen, Topi
topi.pohjolainen at intel.com
Fri Apr 24 15:15:09 PDT 2015
On Fri, Feb 27, 2015 at 05:34:55PM +0200, Francisco Jerez wrote:
> ---
> src/mesa/drivers/dri/i965/brw_defines.h | 4 +
> src/mesa/drivers/dri/i965/brw_eu.h | 24 +++
> src/mesa/drivers/dri/i965/brw_eu_emit.c | 169 +++++++++++++++++++++
> src/mesa/drivers/dri/i965/brw_fs.cpp | 12 ++
> src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 17 +++
> .../drivers/dri/i965/brw_schedule_instructions.cpp | 3 +
> src/mesa/drivers/dri/i965/brw_shader.cpp | 8 +
> src/mesa/drivers/dri/i965/brw_vec4.cpp | 6 +
> src/mesa/drivers/dri/i965/brw_vec4_generator.cpp | 18 +++
> 9 files changed, 261 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
> index e56f49c..cf07da9 100644
> --- a/src/mesa/drivers/dri/i965/brw_defines.h
> +++ b/src/mesa/drivers/dri/i965/brw_defines.h
> @@ -906,6 +906,10 @@ enum opcode {
> SHADER_OPCODE_UNTYPED_SURFACE_READ,
> SHADER_OPCODE_UNTYPED_SURFACE_WRITE,
>
> + SHADER_OPCODE_TYPED_ATOMIC,
> + SHADER_OPCODE_TYPED_SURFACE_READ,
> + SHADER_OPCODE_TYPED_SURFACE_WRITE,
> +
> SHADER_OPCODE_GEN4_SCRATCH_READ,
> SHADER_OPCODE_GEN4_SCRATCH_WRITE,
> SHADER_OPCODE_GEN7_SCRATCH_READ,
> diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
> index cad956b..ce9554b 100644
> --- a/src/mesa/drivers/dri/i965/brw_eu.h
> +++ b/src/mesa/drivers/dri/i965/brw_eu.h
> @@ -421,6 +421,30 @@ brw_untyped_surface_write(struct brw_compile *p,
> unsigned num_channels);
>
> void
> +brw_typed_atomic(struct brw_compile *p,
> + struct brw_reg dst,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned atomic_op,
> + unsigned msg_length,
> + bool response_expected);
> +
> +void
> +brw_typed_surface_read(struct brw_compile *p,
> + struct brw_reg dst,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned msg_length,
> + unsigned num_channels);
> +
> +void
> +brw_typed_surface_write(struct brw_compile *p,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned msg_length,
> + unsigned num_channels);
> +
> +void
> brw_pixel_interpolator_query(struct brw_compile *p,
> struct brw_reg dest,
> struct brw_reg mrf,
> diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
> index f5b8fa9..74f1fc1 100644
> --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
> +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
> @@ -2944,6 +2944,175 @@ brw_untyped_surface_write(struct brw_compile *p,
> p, insn, num_channels);
> }
>
> +static void
> +brw_set_dp_typed_atomic_message(struct brw_compile *p,
> + struct brw_inst *insn,
> + unsigned atomic_op,
> + bool response_expected)
> +{
> + const struct brw_context *brw = p->brw;
> + unsigned msg_control =
> + atomic_op | /* Atomic Operation Type: BRW_AOP_* */
> + (response_expected ? 1 << 5 : 0); /* Return data expected */
> +
> + if (brw->gen >= 8 || brw->is_haswell) {
> + if (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1) {
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 1 << 4; /* Use high 8 slots of the sample mask */
> +
> + brw_inst_set_dp_msg_type(brw, insn,
> + HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP);
> + } else {
> + brw_inst_set_dp_msg_type(brw, insn,
> + HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2);
> + }
> +
> + } else {
> + brw_inst_set_dp_msg_type(brw, insn,
> + GEN7_DATAPORT_RC_TYPED_ATOMIC_OP);
> +
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 1 << 4; /* Use high 8 slots of the sample mask */
> + }
> +
> + brw_inst_set_dp_msg_control(brw, insn, msg_control);
> +}
> +
> +void
> +brw_typed_atomic(struct brw_compile *p,
> + struct brw_reg dst,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned atomic_op,
> + unsigned msg_length,
> + bool response_expected) {
> + const struct brw_context *brw = p->brw;
> + const unsigned sfid = (brw->gen >= 8 || brw->is_haswell ?
> + HSW_SFID_DATAPORT_DATA_CACHE_1 :
> + GEN6_SFID_DATAPORT_RENDER_CACHE);
> + const bool align1 = (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1);
> + /* Mask out unused components -- See comment in brw_untyped_atomic(). */
> + const unsigned mask = (align1 ? WRITEMASK_XYZW : WRITEMASK_X);
> + struct brw_inst *insn = brw_send_indirect_surface_message(
> + p, sfid, brw_writemask(dst, mask), payload, surface, msg_length,
> + brw_surface_payload_size(p, response_expected,
> + brw->gen >= 8 || brw->is_haswell, false),
> + true);
> +
> + brw_set_dp_typed_atomic_message(
> + p, insn, atomic_op, response_expected);
> +}
> +
> +static void
> +brw_set_dp_typed_surface_read_message(struct brw_compile *p,
> + struct brw_inst *insn,
> + unsigned num_channels)
> +{
> + const struct brw_context *brw = p->brw;
> + /* Set mask of unused channels. */
> + unsigned msg_control = (0xf & (0xf << num_channels));
> +
> + if (brw->gen >= 8 || brw->is_haswell) {
> + if (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1) {
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 2 << 4; /* Use high 8 slots of the sample mask */
> + else
> + msg_control |= 1 << 4; /* Use low 8 slots of the sample mask */
> + }
> +
> + brw_inst_set_dp_msg_type(brw, insn,
> + HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ);
> + } else {
> + if (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1) {
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 1 << 5; /* Use high 8 slots of the sample mask */
> + }
> +
> + brw_inst_set_dp_msg_type(brw, insn,
> + GEN7_DATAPORT_RC_TYPED_SURFACE_READ);
> + }
> +
> + brw_inst_set_dp_msg_control(brw, insn, msg_control);
> +}
> +
> +void
> +brw_typed_surface_read(struct brw_compile *p,
> + struct brw_reg dst,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned msg_length,
> + unsigned num_channels)
> +{
> + const struct brw_context *brw = p->brw;
> + const unsigned sfid = (brw->gen >= 8 || brw->is_haswell ?
> + HSW_SFID_DATAPORT_DATA_CACHE_1 :
> + GEN6_SFID_DATAPORT_RENDER_CACHE);
> + struct brw_inst *insn = brw_send_indirect_surface_message(
This call doesn't exist yet in upstream but I understood from you that
everything else up to here in this series is upstreamed. Am I missing
something?
> + p, sfid, dst, payload, surface, msg_length,
> + brw_surface_payload_size(p, num_channels,
> + brw->gen >= 8 || brw->is_haswell, false),
> + true);
> +
> + brw_set_dp_typed_surface_read_message(
> + p, insn, num_channels);
> +}
> +
> +static void
> +brw_set_dp_typed_surface_write_message(struct brw_compile *p,
> + struct brw_inst *insn,
> + unsigned num_channels)
> +{
> + const struct brw_context *brw = p->brw;
> + /* Set mask of unused channels. */
> + unsigned msg_control = (0xf & (0xf << num_channels));
> +
> + if (brw->gen >= 8 || brw->is_haswell) {
> + if (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1) {
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 2 << 4; /* Use high 8 slots of the sample mask */
> + else
> + msg_control |= 1 << 4; /* Use low 8 slots of the sample mask */
> + }
> +
> + brw_inst_set_dp_msg_type(brw, insn,
> + HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE);
> +
> + } else {
> + if (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1) {
> + if (brw_inst_qtr_control(brw, p->current) == GEN6_COMPRESSION_2Q)
> + msg_control |= 1 << 5; /* Use high 8 slots of the sample mask */
> + }
> +
> + brw_inst_set_dp_msg_type(brw, insn,
> + GEN7_DATAPORT_RC_TYPED_SURFACE_WRITE);
> + }
> +
> + brw_inst_set_dp_msg_control(brw, insn, msg_control);
> +}
> +
> +void
> +brw_typed_surface_write(struct brw_compile *p,
> + struct brw_reg payload,
> + struct brw_reg surface,
> + unsigned msg_length,
> + unsigned num_channels)
> +{
> + const struct brw_context *brw = p->brw;
> + const unsigned sfid = (brw->gen >= 8 || brw->is_haswell ?
> + HSW_SFID_DATAPORT_DATA_CACHE_1 :
> + GEN6_SFID_DATAPORT_RENDER_CACHE);
> + const bool align1 = (brw_inst_access_mode(brw, p->current) == BRW_ALIGN_1);
> + /* Mask out unused components -- See comment in brw_untyped_atomic(). */
> + const unsigned mask = (brw->gen == 7 && !brw->is_haswell && !align1 ?
> + WRITEMASK_X : WRITEMASK_XYZW);
> + struct brw_inst *insn = brw_send_indirect_surface_message(
> + p, sfid, brw_writemask(brw_null_reg(), mask),
> + payload, surface, msg_length, 0, true);
> +
> + brw_set_dp_typed_surface_write_message(
> + p, insn, num_channels);
> +}
> +
> void
> brw_pixel_interpolator_query(struct brw_compile *p,
> struct brw_reg dest,
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
> index 6d363f1..191d787 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
> @@ -509,6 +509,9 @@ fs_inst::is_send_from_grf() const
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> case SHADER_OPCODE_UNTYPED_SURFACE_READ:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> case SHADER_OPCODE_URB_WRITE_SIMD8:
> return true;
> case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
> @@ -933,6 +936,12 @@ fs_inst::regs_read(int arg) const
> return mlen;
> } else if (opcode == SHADER_OPCODE_UNTYPED_SURFACE_WRITE && arg == 0) {
> return mlen;
> + } else if (opcode == SHADER_OPCODE_TYPED_ATOMIC && arg == 0) {
> + return mlen;
> + } else if (opcode == SHADER_OPCODE_TYPED_SURFACE_READ && arg == 0) {
> + return mlen;
> + } else if (opcode == SHADER_OPCODE_TYPED_SURFACE_WRITE && arg == 0) {
> + return mlen;
> } else if (opcode == FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET && arg == 0) {
> return mlen;
> }
> @@ -1024,6 +1033,9 @@ fs_visitor::implied_mrf_writes(fs_inst *inst)
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> case SHADER_OPCODE_UNTYPED_SURFACE_READ:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> case SHADER_OPCODE_URB_WRITE_SIMD8:
> case FS_OPCODE_INTERPOLATE_AT_CENTROID:
> case FS_OPCODE_INTERPOLATE_AT_SAMPLE:
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> index 6e093cf..e80866b 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> @@ -1905,6 +1905,23 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width)
> inst->mlen, src[2].dw1.ud);
> break;
>
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_atomic(p, dst, src[0], src[1],
> + src[2].dw1.ud, inst->mlen, !inst->dst.is_null());
> + break;
> +
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_surface_read(p, dst, src[0], src[1],
> + inst->mlen, src[2].dw1.ud);
> + break;
> +
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_surface_write(p, src[0], src[1], inst->mlen, src[2].dw1.ud);
> + break;
> +
> case SHADER_OPCODE_FIND_LIVE_CHANNEL:
> brw_find_live_channel(p, dst);
> break;
> diff --git a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
> index 46b635c..808d839 100644
> --- a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
> @@ -340,6 +340,7 @@ schedule_node::set_latency_gen7(bool is_haswell)
> break;
>
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> /* Test code:
> * mov(8) g112<1>ud 0x00000000ud { align1 WE_all 1Q };
> * mov(1) g112.7<1>ud g1.7<0,1,0>ud { align1 WE_all };
> @@ -359,6 +360,8 @@ schedule_node::set_latency_gen7(bool is_haswell)
>
> case SHADER_OPCODE_UNTYPED_SURFACE_READ:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> /* Test code:
> * mov(8) g112<1>UD 0x00000000UD { align1 WE_all 1Q };
> * mov(1) g112.7<1>UD g1.7<0,1,0>UD { align1 WE_all };
> diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
> index b58796d..647355d 100644
> --- a/src/mesa/drivers/dri/i965/brw_shader.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
> @@ -460,6 +460,12 @@ brw_instruction_name(enum opcode op)
> return "untyped_surface_read";
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> return "untyped_surface_write";
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + return "typed_atomic";
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + return "typed_surface_read";
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> + return "typed_surface_write";
>
> case SHADER_OPCODE_LOAD_PAYLOAD:
> return "load_payload";
> @@ -969,6 +975,8 @@ backend_instruction::has_side_effects() const
> switch (opcode) {
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> case SHADER_OPCODE_URB_WRITE_SIMD8:
> case FS_OPCODE_FB_WRITE:
> return true;
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
> index 736437f..174257b 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
> @@ -259,6 +259,9 @@ vec4_instruction::is_send_from_grf()
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> case SHADER_OPCODE_UNTYPED_SURFACE_READ:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> return true;
> default:
> return false;
> @@ -276,6 +279,9 @@ vec4_instruction::regs_read(unsigned arg) const
> case SHADER_OPCODE_UNTYPED_ATOMIC:
> case SHADER_OPCODE_UNTYPED_SURFACE_READ:
> case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> return arg == 0 ? mlen : 1;
>
> case VS_OPCODE_PULL_CONSTANT_LOAD_GEN7:
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
> index 4c75b95..943c92a 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
> @@ -1480,6 +1480,24 @@ vec4_generator::generate_code(const cfg_t *cfg)
> src[2].dw1.ud);
> break;
>
> + case SHADER_OPCODE_TYPED_ATOMIC:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_atomic(p, dst, src[0], src[1], src[2].dw1.ud, inst->mlen,
> + !inst->dst.is_null());
> + break;
> +
> + case SHADER_OPCODE_TYPED_SURFACE_READ:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_surface_read(p, dst, src[0], src[1], inst->mlen,
> + src[2].dw1.ud);
> + break;
> +
> + case SHADER_OPCODE_TYPED_SURFACE_WRITE:
> + assert(src[2].file == BRW_IMMEDIATE_VALUE);
> + brw_typed_surface_write(p, src[0], src[1], inst->mlen,
> + src[2].dw1.ud);
> + break;
> +
> case SHADER_OPCODE_FIND_LIVE_CHANNEL:
> brw_find_live_channel(p, dst);
> break;
> --
> 2.1.3
>
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