Mesa (master): r300/compiler: implement TXD and TXL opcodes

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 03615c02d81437cf546609fc6a39c6c73be39360
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=03615c02d81437cf546609fc6a39c6c73be39360

Author: Marek Olšák <maraeo at gmail.com>
Date:   Fri May  6 21:59:51 2011 +0200

r300/compiler: implement TXD and TXL opcodes

---

 src/mesa/drivers/dri/r300/compiler/r500_fragprog.c |    2 +
 .../drivers/dri/r300/compiler/r500_fragprog_emit.c |   18 ++++++++++++
 .../drivers/dri/r300/compiler/radeon_opcodes.c     |   28 ++++++++++++++++++++
 .../drivers/dri/r300/compiler/radeon_optimize.c    |    2 +
 .../drivers/dri/r300/compiler/radeon_program_tex.c |    2 +
 5 files changed, 52 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
index 140eeed..5e0be6b 100644
--- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
@@ -70,6 +70,8 @@ static int r500_swizzle_is_native(rc_opcode opcode, struct rc_src_register reg)
 	if (opcode == RC_OPCODE_TEX ||
 	    opcode == RC_OPCODE_TXB ||
 	    opcode == RC_OPCODE_TXP ||
+	    opcode == RC_OPCODE_TXD ||
+	    opcode == RC_OPCODE_TXL ||
 	    opcode == RC_OPCODE_KIL) {
 		if (reg.Abs)
 			return 0;
diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
index 5f2588b..c30cd75 100644
--- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
@@ -396,6 +396,12 @@ static int emit_tex(struct r300_fragment_program_compiler *c, struct rc_sub_inst
 	case RC_OPCODE_TXP:
 		code->inst[ip].inst1 |= R500_TEX_INST_PROJ;
 		break;
+	case RC_OPCODE_TXD:
+		code->inst[ip].inst1 |= R500_TEX_INST_DXDY;
+		break;
+	case RC_OPCODE_TXL:
+		code->inst[ip].inst1 |= R500_TEX_INST_LOD;
+		break;
 	default:
 		error("emit_tex can't handle opcode %s\n", rc_get_opcode_info(inst->Opcode)->Name);
 	}
@@ -413,6 +419,18 @@ static int emit_tex(struct r300_fragment_program_compiler *c, struct rc_sub_inst
 		| (GET_SWZ(inst->TexSwizzle, 3) << 30)
 		;
 
+	if (inst->Opcode == RC_OPCODE_TXD) {
+		use_temporary(code, inst->SrcReg[1].Index);
+		use_temporary(code, inst->SrcReg[2].Index);
+
+		/* DX and DY parameters are specified in a separate register. */
+		code->inst[ip].inst3 =
+			R500_DX_ADDR(inst->SrcReg[1].Index) |
+			(translate_strq_swizzle(inst->SrcReg[1].Swizzle) << 8) |
+			R500_DY_ADDR(inst->SrcReg[2].Index) |
+			(translate_strq_swizzle(inst->SrcReg[2].Swizzle) << 24);
+	}
+
 	return 1;
 }
 
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
index e3e498e..afd78ad 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
@@ -481,6 +481,7 @@ void rc_compute_sources_for_writemask(
 			break;
 		case RC_OPCODE_TXB:
 		case RC_OPCODE_TXP:
+		case RC_OPCODE_TXL:
 			srcmasks[0] |= RC_MASK_W;
 			/* Fall through */
 		case RC_OPCODE_TEX:
@@ -500,6 +501,33 @@ void rc_compute_sources_for_writemask(
 					break;
 			}
 			break;
+		case RC_OPCODE_TXD:
+			switch (inst->U.I.TexSrcTarget) {
+				case RC_TEXTURE_1D_ARRAY:
+					srcmasks[0] |= RC_MASK_Y;
+					/* Fall through. */
+				case RC_TEXTURE_1D:
+					srcmasks[0] |= RC_MASK_X;
+					srcmasks[1] |= RC_MASK_X;
+					srcmasks[2] |= RC_MASK_X;
+					break;
+				case RC_TEXTURE_2D_ARRAY:
+					srcmasks[0] |= RC_MASK_Z;
+					/* Fall through. */
+				case RC_TEXTURE_2D:
+				case RC_TEXTURE_RECT:
+					srcmasks[0] |= RC_MASK_XY;
+					srcmasks[1] |= RC_MASK_XY;
+					srcmasks[2] |= RC_MASK_XY;
+					break;
+				case RC_TEXTURE_3D:
+				case RC_TEXTURE_CUBE:
+					srcmasks[0] |= RC_MASK_XYZ;
+					srcmasks[1] |= RC_MASK_XYZ;
+					srcmasks[2] |= RC_MASK_XYZ;
+					break;
+			}
+			break;
 		case RC_OPCODE_DST:
 			srcmasks[0] |= RC_MASK_Y | RC_MASK_Z;
 			srcmasks[1] |= RC_MASK_Y | RC_MASK_W;
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
index 21ea25d..5b4fba8 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
@@ -91,6 +91,8 @@ static void copy_propagate_scan_read(void * data, struct rc_instruction * inst,
 				(inst->U.I.Opcode == RC_OPCODE_TEX ||
 				inst->U.I.Opcode == RC_OPCODE_TXB ||
 				inst->U.I.Opcode == RC_OPCODE_TXP ||
+				inst->U.I.Opcode == RC_OPCODE_TXD ||
+				inst->U.I.Opcode == RC_OPCODE_TXL ||
 				inst->U.I.Opcode == RC_OPCODE_KIL)){
 		reader_data->Abort = 1;
 		return;
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
index cef448e..8d16b2c 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
@@ -142,6 +142,8 @@ int radeonTransformTEX(
 	if (inst->U.I.Opcode != RC_OPCODE_TEX &&
 		inst->U.I.Opcode != RC_OPCODE_TXB &&
 		inst->U.I.Opcode != RC_OPCODE_TXP &&
+		inst->U.I.Opcode != RC_OPCODE_TXD &&
+		inst->U.I.Opcode != RC_OPCODE_TXL &&
 		inst->U.I.Opcode != RC_OPCODE_KIL)
 		return 0;