[Mesa-dev] [PATCH 6/9] tgsi: add inst/decl helpers for tgsi_transform utility
Brian Paul
brianp at vmware.com
Mon Sep 22 08:45:02 PDT 2014
---
src/gallium/auxiliary/tgsi/tgsi_transform.h | 333 +++++++++++++++++++++++++++
1 file changed, 333 insertions(+)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_transform.h b/src/gallium/auxiliary/tgsi/tgsi_transform.h
index 5ec0719..bfcdd56 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,
--
1.7.10.4
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