diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_transform.h | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_transform.h b/src/gallium/auxiliary/tgsi/tgsi_transform.h index 5ec0719464c..bfcdd56f356 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_transform.h +++ b/src/gallium/auxiliary/tgsi/tgsi_transform.h @@ -91,6 +91,339 @@ struct tgsi_transform_context }; +/** + * Helper for emitting temporary register declarations. + */ +static INLINE void +tgsi_transform_temp_decl(struct tgsi_transform_context *ctx, + unsigned index) +{ + struct tgsi_full_declaration decl; + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.Range.First = + decl.Range.Last = index; + ctx->emit_declaration(ctx, &decl); +} + + +static INLINE void +tgsi_transform_input_decl(struct tgsi_transform_context *ctx, + unsigned index, + unsigned sem_name, unsigned sem_index, + unsigned interp) +{ + struct tgsi_full_declaration decl; + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_INPUT; + decl.Declaration.Interpolate = 1; + decl.Declaration.Semantic = 1; + decl.Semantic.Name = TGSI_SEMANTIC_GENERIC; + decl.Semantic.Index = sem_index; + decl.Range.First = + decl.Range.Last = index; + decl.Interp.Interpolate = interp; + + ctx->emit_declaration(ctx, &decl); +} + + +static INLINE void +tgsi_transform_sampler_decl(struct tgsi_transform_context *ctx, + unsigned index) +{ + struct tgsi_full_declaration decl; + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_SAMPLER; + decl.Range.First = + decl.Range.Last = index; + ctx->emit_declaration(ctx, &decl); +} + + +static INLINE void +tgsi_transform_immediate_decl(struct tgsi_transform_context *ctx, + float x, float y, float z, float w) +{ + struct tgsi_full_immediate immed; + unsigned size = 4; + + immed = tgsi_default_full_immediate(); + immed.Immediate.NrTokens = 1 + size; /* one for the token itself */ + immed.u[0].Float = x; + immed.u[1].Float = y; + immed.u[2].Float = z; + immed.u[3].Float = w; + + ctx->emit_immediate(ctx, &immed); +} + + +/** + * Helper for emitting 1-operand instructions. + */ +static INLINE void +tgsi_transform_op1_inst(struct tgsi_transform_context *ctx, + unsigned opcode, + unsigned dst_file, + unsigned dst_index, + unsigned dst_writemask, + unsigned src0_file, + unsigned src0_index) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = opcode; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file, + inst.Dst[0].Register.Index = dst_index; + inst.Dst[0].Register.WriteMask = dst_writemask; + inst.Instruction.NumSrcRegs = 1; + inst.Src[0].Register.File = src0_file; + inst.Src[0].Register.Index = src0_index; + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_op2_inst(struct tgsi_transform_context *ctx, + unsigned opcode, + unsigned dst_file, + unsigned dst_index, + unsigned dst_writemask, + unsigned src0_file, + unsigned src0_index, + unsigned src1_file, + unsigned src1_index) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = opcode; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file, + inst.Dst[0].Register.Index = dst_index; + inst.Dst[0].Register.WriteMask = dst_writemask; + inst.Instruction.NumSrcRegs = 2; + inst.Src[0].Register.File = src0_file; + inst.Src[0].Register.Index = src0_index; + inst.Src[1].Register.File = src1_file; + inst.Src[1].Register.Index = src1_index; + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_op1_swz_inst(struct tgsi_transform_context *ctx, + unsigned opcode, + unsigned dst_file, + unsigned dst_index, + unsigned dst_writemask, + unsigned src0_file, + unsigned src0_index, + unsigned src0_swizzle) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = opcode; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file, + inst.Dst[0].Register.Index = dst_index; + inst.Dst[0].Register.WriteMask = dst_writemask; + inst.Instruction.NumSrcRegs = 1; + inst.Src[0].Register.File = src0_file; + inst.Src[0].Register.Index = src0_index; + switch (dst_writemask) { + case TGSI_WRITEMASK_X: + inst.Src[0].Register.SwizzleX = src0_swizzle; + break; + case TGSI_WRITEMASK_Y: + inst.Src[0].Register.SwizzleY = src0_swizzle; + break; + case TGSI_WRITEMASK_Z: + inst.Src[0].Register.SwizzleZ = src0_swizzle; + break; + case TGSI_WRITEMASK_W: + inst.Src[0].Register.SwizzleW = src0_swizzle; + break; + default: + ; /* nothing */ + } + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_op2_swz_inst(struct tgsi_transform_context *ctx, + unsigned opcode, + unsigned dst_file, + unsigned dst_index, + unsigned dst_writemask, + unsigned src0_file, + unsigned src0_index, + unsigned src0_swizzle, + unsigned src1_file, + unsigned src1_index, + unsigned src1_swizzle) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = opcode; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file, + inst.Dst[0].Register.Index = dst_index; + inst.Dst[0].Register.WriteMask = dst_writemask; + inst.Instruction.NumSrcRegs = 2; + inst.Src[0].Register.File = src0_file; + inst.Src[0].Register.Index = src0_index; + inst.Src[1].Register.File = src1_file; + inst.Src[1].Register.Index = src1_index; + switch (dst_writemask) { + case TGSI_WRITEMASK_X: + inst.Src[0].Register.SwizzleX = src0_swizzle; + inst.Src[1].Register.SwizzleX = src1_swizzle; + break; + case TGSI_WRITEMASK_Y: + inst.Src[0].Register.SwizzleY = src0_swizzle; + inst.Src[1].Register.SwizzleY = src1_swizzle; + break; + case TGSI_WRITEMASK_Z: + inst.Src[0].Register.SwizzleZ = src0_swizzle; + inst.Src[1].Register.SwizzleZ = src1_swizzle; + break; + case TGSI_WRITEMASK_W: + inst.Src[0].Register.SwizzleW = src0_swizzle; + inst.Src[1].Register.SwizzleW = src1_swizzle; + break; + default: + ; /* nothing */ + } + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_op3_swz_inst(struct tgsi_transform_context *ctx, + unsigned opcode, + unsigned dst_file, + unsigned dst_index, + unsigned dst_writemask, + unsigned src0_file, + unsigned src0_index, + unsigned src0_swizzle, + unsigned src0_negate, + unsigned src1_file, + unsigned src1_index, + unsigned src1_swizzle, + unsigned src2_file, + unsigned src2_index, + unsigned src2_swizzle) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = opcode; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file, + inst.Dst[0].Register.Index = dst_index; + inst.Dst[0].Register.WriteMask = dst_writemask; + inst.Instruction.NumSrcRegs = 3; + inst.Src[0].Register.File = src0_file; + inst.Src[0].Register.Index = src0_index; + inst.Src[0].Register.Negate = src0_negate; + inst.Src[1].Register.File = src1_file; + inst.Src[1].Register.Index = src1_index; + inst.Src[2].Register.File = src2_file; + inst.Src[2].Register.Index = src2_index; + switch (dst_writemask) { + case TGSI_WRITEMASK_X: + inst.Src[0].Register.SwizzleX = src0_swizzle; + inst.Src[1].Register.SwizzleX = src1_swizzle; + inst.Src[2].Register.SwizzleX = src2_swizzle; + break; + case TGSI_WRITEMASK_Y: + inst.Src[0].Register.SwizzleY = src0_swizzle; + inst.Src[1].Register.SwizzleY = src1_swizzle; + inst.Src[2].Register.SwizzleY = src2_swizzle; + break; + case TGSI_WRITEMASK_Z: + inst.Src[0].Register.SwizzleZ = src0_swizzle; + inst.Src[1].Register.SwizzleZ = src1_swizzle; + inst.Src[2].Register.SwizzleZ = src2_swizzle; + break; + case TGSI_WRITEMASK_W: + inst.Src[0].Register.SwizzleW = src0_swizzle; + inst.Src[1].Register.SwizzleW = src1_swizzle; + inst.Src[2].Register.SwizzleW = src2_swizzle; + break; + default: + ; /* nothing */ + } + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_kill_inst(struct tgsi_transform_context *ctx, + unsigned src_file, + unsigned src_index, + unsigned src_swizzle) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_KILL_IF; + inst.Instruction.NumDstRegs = 0; + inst.Instruction.NumSrcRegs = 1; + inst.Src[0].Register.File = src_file; + inst.Src[0].Register.Index = src_index; + inst.Src[0].Register.SwizzleX = + inst.Src[0].Register.SwizzleY = + inst.Src[0].Register.SwizzleZ = + inst.Src[0].Register.SwizzleW = src_swizzle; + inst.Src[0].Register.Negate = 1; + + ctx->emit_instruction(ctx, &inst); +} + + +static INLINE void +tgsi_transform_tex_2d_inst(struct tgsi_transform_context *ctx, + unsigned dst_file, + unsigned dst_index, + unsigned src_file, + unsigned src_index, + unsigned sampler_index) +{ + struct tgsi_full_instruction inst; + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_TEX; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = dst_file; + inst.Dst[0].Register.Index = dst_index; + inst.Instruction.NumSrcRegs = 2; + inst.Instruction.Texture = TRUE; + inst.Texture.Texture = TGSI_TEXTURE_2D; + inst.Src[0].Register.File = src_file; + inst.Src[0].Register.Index = src_index; + inst.Src[1].Register.File = TGSI_FILE_SAMPLER; + inst.Src[1].Register.Index = sampler_index; + + ctx->emit_instruction(ctx, &inst); +} + extern int tgsi_transform_shader(const struct tgsi_token *tokens_in, |