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tgsi: add some more helper functions

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This patch adds some more helper functions such as
   . tgsi_transform_temps_decl
   . tgsi_transform_output_decl
   . tgsi_transform_dst_reg
   . tgsi_transform_src_reg

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Charmaine Lee
2015-09-01 16:29:17 -06:00
committed by Brian Paul
parent f8da1e1459
commit 1775687637
1 changed files with 65 additions and 4 deletions
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src/gallium/auxiliary/tgsi/tgsi_transform.h
+65 -4
View File
@@ -95,19 +95,38 @@ struct tgsi_transform_context
* Helper for emitting temporary register declarations.
*/
static inline void
tgsi_transform_temp_decl(struct tgsi_transform_context *ctx,
unsigned index)
tgsi_transform_temps_decl(struct tgsi_transform_context *ctx,
unsigned firstIdx, unsigned lastIdx)
{
struct tgsi_full_declaration decl;
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_TEMPORARY;
decl.Range.First =
decl.Range.Last = index;
decl.Range.First = firstIdx;
decl.Range.Last = lastIdx;
ctx->emit_declaration(ctx, &decl);
}
static inline void
tgsi_transform_temp_decl(struct tgsi_transform_context *ctx,
unsigned index)
{
tgsi_transform_temps_decl(ctx, index, index);
}
static inline void
tgsi_transform_const_decl(struct tgsi_transform_context *ctx,
unsigned firstIdx, unsigned lastIdx)
{
struct tgsi_full_declaration decl;
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_CONSTANT;
decl.Range.First = firstIdx;
decl.Range.Last = lastIdx;
ctx->emit_declaration(ctx, &decl);
}
static inline void
tgsi_transform_input_decl(struct tgsi_transform_context *ctx,
unsigned index,
@@ -129,6 +148,26 @@ tgsi_transform_input_decl(struct tgsi_transform_context *ctx,
ctx->emit_declaration(ctx, &decl);
}
static inline void
tgsi_transform_output_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_OUTPUT;
decl.Declaration.Interpolate = 1;
decl.Declaration.Semantic = 1;
decl.Semantic.Name = sem_name;
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,
@@ -182,6 +221,28 @@ tgsi_transform_immediate_decl(struct tgsi_transform_context *ctx,
ctx->emit_immediate(ctx, &immed);
}
static inline void
tgsi_transform_dst_reg(struct tgsi_full_dst_register *reg,
unsigned file, unsigned index, unsigned writemask)
{
reg->Register.File = file;
reg->Register.Index = index;
reg->Register.WriteMask = writemask;
}
static inline void
tgsi_transform_src_reg(struct tgsi_full_src_register *reg,
unsigned file, unsigned index,
unsigned swizzleX, unsigned swizzleY,
unsigned swizzleZ, unsigned swizzleW)
{
reg->Register.File = file;
reg->Register.Index = index;
reg->Register.SwizzleX = swizzleX;
reg->Register.SwizzleY = swizzleY;
reg->Register.SwizzleZ = swizzleZ;
reg->Register.SwizzleW = swizzleW;
}
/**
* Helper for emitting 1-operand instructions.