[Mesa-dev] [PATCH 3/6] i965: Add shader opcode for sampling MCS surface

[Chris Forbes]

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 src/mesa/drivers/dri/i965/brw_defines.h          | 1 +
 src/mesa/drivers/dri/i965/brw_fs.cpp             | 1 +
 src/mesa/drivers/dri/i965/brw_fs_generator.cpp   | 5 +++++
 src/mesa/drivers/dri/i965/brw_shader.cpp         | 3 +++
 src/mesa/drivers/dri/i965/brw_vec4.cpp           | 1 +
 src/mesa/drivers/dri/i965/brw_vec4_generator.cpp | 5 +++++
 6 files changed, 16 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 597d3b2..e0dfe52 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -770,6 +770,7 @@ enum opcode {
    SHADER_OPCODE_TXS,
    FS_OPCODE_TXB,
    SHADER_OPCODE_TXF_MS,
+   SHADER_OPCODE_TXF_MCS,
    SHADER_OPCODE_LOD,
    SHADER_OPCODE_TG4,
    SHADER_OPCODE_TG4_OFFSET,
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index eecde62..354d3ed 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -766,6 +766,7 @@ fs_visitor::implied_mrf_writes(fs_inst *inst)
    case SHADER_OPCODE_TXD:
    case SHADER_OPCODE_TXF:
    case SHADER_OPCODE_TXF_MS:
+   case SHADER_OPCODE_TXF_MCS:
    case SHADER_OPCODE_TG4:
    case SHADER_OPCODE_TG4_OFFSET:
    case SHADER_OPCODE_TXL:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 6626a8c..5a11eef 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -431,6 +431,10 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src
          else
             msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_LD;
          break;
+      case SHADER_OPCODE_TXF_MCS:
+         assert(brw->gen >= 7);
+         msg_type = GEN7_SAMPLER_MESSAGE_SAMPLE_LD_MCS;
+         break;
       case SHADER_OPCODE_LOD:
          msg_type = GEN5_SAMPLER_MESSAGE_LOD;
          break;
@@ -1651,6 +1655,7 @@ fs_generator::generate_code(exec_list *instructions)
       case SHADER_OPCODE_TXD:
       case SHADER_OPCODE_TXF:
       case SHADER_OPCODE_TXF_MS:
+      case SHADER_OPCODE_TXF_MCS:
       case SHADER_OPCODE_TXL:
       case SHADER_OPCODE_TXS:
       case SHADER_OPCODE_LOD:
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index ddb4524..88aa169 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -449,6 +449,8 @@ brw_instruction_name(enum opcode op)
       return "txb";
    case SHADER_OPCODE_TXF_MS:
       return "txf_ms";
+   case SHADER_OPCODE_TXF_MCS:
+      return "txf_mcs";
    case SHADER_OPCODE_TG4:
       return "tg4";
    case SHADER_OPCODE_TG4_OFFSET:
@@ -544,6 +546,7 @@ backend_instruction::is_tex()
            opcode == SHADER_OPCODE_TXD ||
            opcode == SHADER_OPCODE_TXF ||
            opcode == SHADER_OPCODE_TXF_MS ||
+           opcode == SHADER_OPCODE_TXF_MCS ||
            opcode == SHADER_OPCODE_TXL ||
            opcode == SHADER_OPCODE_TXS ||
            opcode == SHADER_OPCODE_LOD ||
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 73f91a0..73ec811 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -273,6 +273,7 @@ vec4_visitor::implied_mrf_writes(vec4_instruction *inst)
    case SHADER_OPCODE_TXD:
    case SHADER_OPCODE_TXF:
    case SHADER_OPCODE_TXF_MS:
+   case SHADER_OPCODE_TXF_MCS:
    case SHADER_OPCODE_TXS:
    case SHADER_OPCODE_TG4:
    case SHADER_OPCODE_TG4_OFFSET:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index 30c2ca2..c1ef81d 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -305,6 +305,10 @@ vec4_generator::generate_tex(vec4_instruction *inst,
          else
             msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_LD;
          break;
+      case SHADER_OPCODE_TXF_MCS:
+         assert(brw->gen >= 7);
+         msg_type = GEN7_SAMPLER_MESSAGE_SAMPLE_LD_MCS;
+         break;
       case SHADER_OPCODE_TXS:
 	 msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO;
 	 break;
@@ -1138,6 +1142,7 @@ vec4_generator::generate_vec4_instruction(vec4_instruction *instruction,
    case SHADER_OPCODE_TXD:
    case SHADER_OPCODE_TXF:
    case SHADER_OPCODE_TXF_MS:
+   case SHADER_OPCODE_TXF_MCS:
    case SHADER_OPCODE_TXL:
    case SHADER_OPCODE_TXS:
    case SHADER_OPCODE_TG4:
-- 
1.8.4.2