[Mesa-dev] [PATCH 4/5] i965: Merge together opcodes for SHADER_OPCODE_GEN4_SCRATCH_READ/WRITE

Eric Anholt eric at anholt.net
Tue Oct 22 02:48:29 CEST 2013


I'm going to be introducing gen7 variants, and the previous naming was
going to get confusing.
---
 src/mesa/drivers/dri/i965/brw_defines.h             |  7 +++----
 src/mesa/drivers/dri/i965/brw_fs.cpp                |  4 ++--
 src/mesa/drivers/dri/i965/brw_fs.h                  |  4 ++--
 src/mesa/drivers/dri/i965/brw_fs_generator.cpp      | 12 ++++++------
 src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp   | 12 +++++++-----
 src/mesa/drivers/dri/i965/brw_shader.cpp            | 14 +++++---------
 src/mesa/drivers/dri/i965/brw_vec4.cpp              |  4 ++--
 src/mesa/drivers/dri/i965/brw_vec4_generator.cpp    |  4 ++--
 src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp |  4 ++--
 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp      |  4 ++--
 10 files changed, 33 insertions(+), 36 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 5ba9d45..72a0891 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -774,14 +774,15 @@ enum opcode {
 
    SHADER_OPCODE_SHADER_TIME_ADD,
 
+   SHADER_OPCODE_GEN4_SCRATCH_READ,
+   SHADER_OPCODE_GEN4_SCRATCH_WRITE,
+
    FS_OPCODE_DDX,
    FS_OPCODE_DDY,
    FS_OPCODE_PIXEL_X,
    FS_OPCODE_PIXEL_Y,
    FS_OPCODE_CINTERP,
    FS_OPCODE_LINTERP,
-   FS_OPCODE_SPILL,
-   FS_OPCODE_UNSPILL,
    FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD,
    FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7,
    FS_OPCODE_VARYING_PULL_CONSTANT_LOAD,
@@ -795,8 +796,6 @@ enum opcode {
    FS_OPCODE_PLACEHOLDER_HALT,
 
    VS_OPCODE_URB_WRITE,
-   VS_OPCODE_SCRATCH_READ,
-   VS_OPCODE_SCRATCH_WRITE,
    VS_OPCODE_PULL_CONSTANT_LOAD,
    VS_OPCODE_PULL_CONSTANT_LOAD_GEN7,
    VS_OPCODE_UNPACK_FLAGS_SIMD4X2,
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 5a8a45e..c9ea731 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -763,11 +763,11 @@ fs_visitor::implied_mrf_writes(fs_inst *inst)
    case FS_OPCODE_FB_WRITE:
       return 2;
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
-   case FS_OPCODE_UNSPILL:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       return 1;
    case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD:
       return inst->mlen;
-   case FS_OPCODE_SPILL:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       return 2;
    default:
       assert(!"not reached");
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index b5aed23..f9c87c7 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -519,8 +519,8 @@ private:
    void generate_ddx(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
    void generate_ddy(fs_inst *inst, struct brw_reg dst, struct brw_reg src,
                      bool negate_value);
-   void generate_spill(fs_inst *inst, struct brw_reg src);
-   void generate_unspill(fs_inst *inst, struct brw_reg dst);
+   void generate_scratch_write(fs_inst *inst, struct brw_reg src);
+   void generate_scratch_read(fs_inst *inst, struct brw_reg dst);
    void generate_uniform_pull_constant_load(fs_inst *inst, struct brw_reg dst,
                                             struct brw_reg index,
                                             struct brw_reg offset);
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 6c8fb76..6aebc41 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -711,7 +711,7 @@ fs_generator::generate_discard_jump(fs_inst *inst)
 }
 
 void
-fs_generator::generate_spill(fs_inst *inst, struct brw_reg src)
+fs_generator::generate_scratch_write(fs_inst *inst, struct brw_reg src)
 {
    assert(inst->mlen != 0);
 
@@ -723,7 +723,7 @@ fs_generator::generate_spill(fs_inst *inst, struct brw_reg src)
 }
 
 void
-fs_generator::generate_unspill(fs_inst *inst, struct brw_reg dst)
+fs_generator::generate_scratch_read(fs_inst *inst, struct brw_reg dst)
 {
    assert(inst->mlen != 0);
 
@@ -1509,12 +1509,12 @@ fs_generator::generate_code(exec_list *instructions)
 	 generate_ddy(inst, dst, src[0], c->key.render_to_fbo);
 	 break;
 
-      case FS_OPCODE_SPILL:
-	 generate_spill(inst, src[0]);
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
+	 generate_scratch_write(inst, src[0]);
 	 break;
 
-      case FS_OPCODE_UNSPILL:
-	 generate_unspill(inst, dst);
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
+	 generate_scratch_read(inst, dst);
 	 break;
 
       case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
index a7ca319..75090a6 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
@@ -527,7 +527,8 @@ fs_visitor::emit_unspill(fs_inst *inst, fs_reg dst, uint32_t spill_offset,
                          int count)
 {
    for (int i = 0; i < count; i++) {
-      fs_inst *unspill_inst = new(mem_ctx) fs_inst(FS_OPCODE_UNSPILL, dst);
+      fs_inst *unspill_inst =
+         new(mem_ctx) fs_inst(SHADER_OPCODE_GEN4_SCRATCH_READ, dst);
       unspill_inst->offset = spill_offset;
       unspill_inst->ir = inst->ir;
       unspill_inst->annotation = inst->annotation;
@@ -598,12 +599,12 @@ fs_visitor::choose_spill_reg(struct ra_graph *g)
 	 loop_scale /= 10;
 	 break;
 
-      case FS_OPCODE_SPILL:
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
 	 if (inst->src[0].file == GRF)
 	    no_spill[inst->src[0].reg] = true;
 	 break;
 
-      case FS_OPCODE_UNSPILL:
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
 	 if (inst->dst.file == GRF)
 	    no_spill[inst->dst.reg] = true;
 	 break;
@@ -675,8 +676,9 @@ fs_visitor::spill_reg(int spill_reg)
 	 spill_src.smear = -1;
 
 	 for (int chan = 0; chan < inst->regs_written; chan++) {
-	    fs_inst *spill_inst = new(mem_ctx) fs_inst(FS_OPCODE_SPILL,
-						       reg_null_f, spill_src);
+	    fs_inst *spill_inst =
+               new(mem_ctx) fs_inst(SHADER_OPCODE_GEN4_SCRATCH_WRITE,
+                                    reg_null_f, spill_src);
 	    spill_src.reg_offset++;
 	    spill_inst->offset = subset_spill_offset + chan * reg_size;
 	    spill_inst->ir = inst->ir;
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 5992a1c..19421ba 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -438,6 +438,11 @@ brw_instruction_name(enum opcode op)
    case SHADER_OPCODE_TXF_MS:
       return "txf_ms";
 
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
+      return "gen4_scratch_read";
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
+      return "gen4_scratch_write";
+
    case FS_OPCODE_DDX:
       return "ddx";
    case FS_OPCODE_DDY:
@@ -453,11 +458,6 @@ brw_instruction_name(enum opcode op)
    case FS_OPCODE_LINTERP:
       return "linterp";
 
-   case FS_OPCODE_SPILL:
-      return "spill";
-   case FS_OPCODE_UNSPILL:
-      return "unspill";
-
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
       return "uniform_pull_const";
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7:
@@ -487,10 +487,6 @@ brw_instruction_name(enum opcode op)
 
    case VS_OPCODE_URB_WRITE:
       return "vs_urb_write";
-   case VS_OPCODE_SCRATCH_READ:
-      return "scratch_read";
-   case VS_OPCODE_SCRATCH_WRITE:
-      return "scratch_write";
    case VS_OPCODE_PULL_CONSTANT_LOAD:
       return "pull_constant_load";
    case VS_OPCODE_PULL_CONSTANT_LOAD_GEN7:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index d3ee9a1..9b09f23 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -258,9 +258,9 @@ vec4_visitor::implied_mrf_writes(vec4_instruction *inst)
       return 1;
    case VS_OPCODE_PULL_CONSTANT_LOAD:
       return 2;
-   case VS_OPCODE_SCRATCH_READ:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       return 2;
-   case VS_OPCODE_SCRATCH_WRITE:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       return 3;
    case GS_OPCODE_URB_WRITE:
    case GS_OPCODE_THREAD_END:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index 1b597b5..7f921eb 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -1078,11 +1078,11 @@ vec4_generator::generate_vec4_instruction(vec4_instruction *instruction,
       generate_vs_urb_write(inst);
       break;
 
-   case VS_OPCODE_SCRATCH_READ:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       generate_scratch_read(inst, dst, src[0]);
       break;
 
-   case VS_OPCODE_SCRATCH_WRITE:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       generate_scratch_write(inst, dst, src[0], src[1]);
       break;
 
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
index 3777027..8a2694c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
@@ -291,8 +291,8 @@ vec4_visitor::evaluate_spill_costs(float *spill_costs, bool *no_spill)
 	 loop_scale /= 10;
 	 break;
 
-      case VS_OPCODE_SCRATCH_READ:
-      case VS_OPCODE_SCRATCH_WRITE:
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
          for (int i = 0; i < 3; i++) {
             if (inst->src[i].file == GRF)
                no_spill[inst->src[i].reg] = true;
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 231815f..c640d1c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -229,7 +229,7 @@ vec4_visitor::SCRATCH_READ(dst_reg dst, src_reg index)
 {
    vec4_instruction *inst;
 
-   inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_READ,
+   inst = new(mem_ctx) vec4_instruction(this, SHADER_OPCODE_GEN4_SCRATCH_READ,
 					dst, index);
    inst->base_mrf = 14;
    inst->mlen = 2;
@@ -242,7 +242,7 @@ vec4_visitor::SCRATCH_WRITE(dst_reg dst, src_reg src, src_reg index)
 {
    vec4_instruction *inst;
 
-   inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_WRITE,
+   inst = new(mem_ctx) vec4_instruction(this, SHADER_OPCODE_GEN4_SCRATCH_WRITE,
 					dst, src, index);
    inst->base_mrf = 13;
    inst->mlen = 3;
-- 
1.8.4.rc3



More information about the mesa-dev mailing list