diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2011-02-24 17:49:07 -0800 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2011-02-25 15:30:45 -0800 |
| commit | 58f7c9c72ee52527610b26ca8a137dd88c082c89 (patch) | |
| tree | c1f48f12789b77d1c108682df9e7cfd2d441c657 /src | |
| parent | 2830b1ae9032666e62460de5aece8db843c51c14 (diff) | |
i965/fs: Initial plumbing to support TXD.
This adds the opcode and the code to convert ir_txd to OPCODE_TXD;
it doesn't actually add support yet.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 12 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 552641b623d..9bdcda780ef 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -213,6 +213,7 @@ fs_visitor::implied_mrf_writes(fs_inst *inst) return 2; case FS_OPCODE_TEX: case FS_OPCODE_TXB: + case FS_OPCODE_TXD: case FS_OPCODE_TXL: return 1; case FS_OPCODE_FB_WRITE: @@ -1200,6 +1201,8 @@ fs_visitor::emit_texture_gen4(ir_texture *ir, fs_reg dst, fs_reg coordinate) } /* gen4's SIMD8 sampler always has the slots for u,v,r present. */ mlen += 3; + } else if (ir->op == ir_txd) { + assert(!"TXD isn't supported on gen4 yet."); } else { /* Oh joy. gen4 doesn't have SIMD8 non-shadow-compare bias/lod * instructions. We'll need to do SIMD16 here. @@ -1253,6 +1256,8 @@ fs_visitor::emit_texture_gen4(ir_texture *ir, fs_reg dst, fs_reg coordinate) inst = emit(fs_inst(FS_OPCODE_TXL, dst)); break; case ir_txd: + inst = emit(fs_inst(FS_OPCODE_TXD, dst)); + break; case ir_txf: assert(!"GLSL 1.30 features unsupported"); break; @@ -2315,6 +2320,9 @@ fs_visitor::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src) msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_LOD_GEN5; } break; + case FS_OPCODE_TXD: + assert(!"TXD isn't supported on gen5+ yet."); + break; } } else { switch (inst->opcode) { @@ -2349,6 +2357,9 @@ fs_visitor::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src) simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD16; } break; + case FS_OPCODE_TXD: + assert(!"TXD isn't supported on gen4 yet."); + break; } } assert(msg_type != -1); @@ -3624,6 +3635,7 @@ fs_visitor::generate_code() break; case FS_OPCODE_TEX: case FS_OPCODE_TXB: + case FS_OPCODE_TXD: case FS_OPCODE_TXL: generate_tex(inst, dst, src[0]); break; diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 8352760acf7..dc030ae5b50 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -71,6 +71,7 @@ enum fs_opcodes { FS_OPCODE_LINTERP, FS_OPCODE_TEX, FS_OPCODE_TXB, + FS_OPCODE_TXD, FS_OPCODE_TXL, FS_OPCODE_DISCARD_NOT, FS_OPCODE_DISCARD_AND, @@ -309,6 +310,7 @@ public: { return (opcode == FS_OPCODE_TEX || opcode == FS_OPCODE_TXB || + opcode == FS_OPCODE_TXD || opcode == FS_OPCODE_TXL); } |