From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Mon, 18 May 2009 04:40:16 +0000 (-0700)
Subject: r300-gallium: r500-fs: DDX and DDY support.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9569221563fd0e9fba564126d61bf3786cf74715;p=mesa.git

r300-gallium: r500-fs: DDX and DDY support.

Oh, look, GLSL instructions. I wonder what I'll do next.
---

diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c
index 0871aed2b48..ed99c76c158 100644
--- a/src/gallium/drivers/r300/r300_state_shader.c
+++ b/src/gallium/drivers/r300/r300_state_shader.c
@@ -215,6 +215,10 @@ static INLINE uint32_t r500_rgba_op(unsigned op)
         case TGSI_OPCODE_RSQ:
         case TGSI_OPCODE_SIN:
             return R500_ALU_RGBA_OP_SOP;
+        case TGSI_OPCODE_DDX:
+            return R500_ALU_RGBA_OP_MDH;
+        case TGSI_OPCODE_DDY:
+            return R500_ALU_RGBA_OP_MDV;
         case TGSI_OPCODE_FRC:
             return R500_ALU_RGBA_OP_FRC;
         case TGSI_OPCODE_DP3:
@@ -254,6 +258,10 @@ static INLINE uint32_t r500_alpha_op(unsigned op)
             return R500_ALPHA_OP_FRC;
         case TGSI_OPCODE_SIN:
             return R500_ALPHA_OP_SIN;
+        case TGSI_OPCODE_DDX:
+            return R500_ALPHA_OP_MDH;
+        case TGSI_OPCODE_DDY:
+            return R500_ALPHA_OP_MDV;
         case TGSI_OPCODE_DP3:
         case TGSI_OPCODE_DP4:
         case TGSI_OPCODE_DPH:
@@ -480,6 +488,8 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs,
             inst->FullSrcRegisters[0].SrcRegister.SwizzleW =
                 inst->FullSrcRegisters[0].SrcRegister.SwizzleX;
             /* Fall through */
+        case TGSI_OPCODE_DDX:
+        case TGSI_OPCODE_DDY:
         case TGSI_OPCODE_FRC:
             r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
                     &inst->FullDstRegisters[0], inst->Instruction.Opcode, 1);