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Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.h')
-rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_ureg.h | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h new file mode 100644 index 0000000000..acbca59040 --- /dev/null +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h @@ -0,0 +1,590 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE, INC AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef TGSI_UREG_H +#define TGSI_UREG_H + +#include "pipe/p_compiler.h" +#include "pipe/p_shader_tokens.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct ureg_program; + +/* Almost a tgsi_src_register, but we need to pull in the Absolute + * flag from the _ext token. Indirect flag always implies ADDR[0]. + */ +struct ureg_src +{ + unsigned File : 4; /* TGSI_FILE_ */ + unsigned SwizzleX : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleY : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleW : 2; /* TGSI_SWIZZLE_ */ + unsigned Pad : 1; /* BOOL */ + unsigned Indirect : 1; /* BOOL */ + unsigned Absolute : 1; /* BOOL */ + int Index : 16; /* SINT */ + unsigned Negate : 1; /* BOOL */ + int IndirectIndex : 16; /* SINT */ + int IndirectSwizzle : 2; /* TGSI_SWIZZLE_ */ +}; + +/* Very similar to a tgsi_dst_register, removing unsupported fields + * and adding a Saturate flag. It's easier to push saturate into the + * destination register than to try and create a _SAT varient of each + * instruction function. + */ +struct ureg_dst +{ + unsigned File : 4; /* TGSI_FILE_ */ + unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */ + unsigned Indirect : 1; /* BOOL */ + unsigned Saturate : 1; /* BOOL */ + int Index : 16; /* SINT */ + unsigned Pad1 : 5; + unsigned Pad2 : 1; /* BOOL */ + int IndirectIndex : 16; /* SINT */ + int IndirectSwizzle : 2; /* TGSI_SWIZZLE_ */ +}; + +struct pipe_context; + +struct ureg_program * +ureg_create( unsigned processor ); + +const struct tgsi_token * +ureg_finalize( struct ureg_program * ); + +void * +ureg_create_shader( struct ureg_program *, + struct pipe_context *pipe ); + +void +ureg_destroy( struct ureg_program * ); + + +/*********************************************************************** + * Convenience routine: + */ +static INLINE void * +ureg_create_shader_and_destroy( struct ureg_program *p, + struct pipe_context *pipe ) +{ + void *result = ureg_create_shader( p, pipe ); + ureg_destroy( p ); + return result; +} + + + +/*********************************************************************** + * Build shader declarations: + */ + +struct ureg_src +ureg_DECL_fs_input( struct ureg_program *, + unsigned semantic_name, + unsigned semantic_index, + unsigned interp_mode ); + +struct ureg_src +ureg_DECL_vs_input( struct ureg_program *, + unsigned semantic_name, + unsigned semantic_index ); + +struct ureg_dst +ureg_DECL_output( struct ureg_program *, + unsigned semantic_name, + unsigned semantic_index ); + +struct ureg_src +ureg_DECL_immediate( struct ureg_program *, + const float *v, + unsigned nr ); + +struct ureg_src +ureg_DECL_constant( struct ureg_program * ); + +struct ureg_dst +ureg_DECL_temporary( struct ureg_program * ); + +void +ureg_release_temporary( struct ureg_program *ureg, + struct ureg_dst tmp ); + +struct ureg_dst +ureg_DECL_address( struct ureg_program * ); + +/* Supply an index to the sampler declaration as this is the hook to + * the external pipe_sampler state. Users of this function probably + * don't want just any sampler, but a specific one which they've set + * up state for in the context. + */ +struct ureg_src +ureg_DECL_sampler( struct ureg_program *, + unsigned index ); + + +static INLINE struct ureg_src +ureg_imm4f( struct ureg_program *ureg, + float a, float b, + float c, float d) +{ + float v[4]; + v[0] = a; + v[1] = b; + v[2] = c; + v[3] = d; + return ureg_DECL_immediate( ureg, v, 4 ); +} + +static INLINE struct ureg_src +ureg_imm3f( struct ureg_program *ureg, + float a, float b, + float c) +{ + float v[3]; + v[0] = a; + v[1] = b; + v[2] = c; + return ureg_DECL_immediate( ureg, v, 3 ); +} + +static INLINE struct ureg_src +ureg_imm2f( struct ureg_program *ureg, + float a, float b) +{ + float v[2]; + v[0] = a; + v[1] = b; + return ureg_DECL_immediate( ureg, v, 2 ); +} + +static INLINE struct ureg_src +ureg_imm1f( struct ureg_program *ureg, + float a) +{ + float v[1]; + v[0] = a; + return ureg_DECL_immediate( ureg, v, 1 ); +} + +/*********************************************************************** + * Functions for patching up labels + */ + + +/* Will return a number which can be used in a label to point to the + * next instruction to be emitted. + */ +unsigned +ureg_get_instruction_number( struct ureg_program *ureg ); + + +/* Patch a given label (expressed as a token number) to point to a + * given instruction (expressed as an instruction number). + * + * Labels are obtained from instruction emitters, eg ureg_CAL(). + * Instruction numbers are obtained from ureg_get_instruction_number(), + * above. + */ +void +ureg_fixup_label(struct ureg_program *ureg, + unsigned label_token, + unsigned instruction_number ); + + +/* Generic instruction emitter. Use if you need to pass the opcode as + * a parameter, rather than using the emit_OP() varients below. + */ +void +ureg_insn(struct ureg_program *ureg, + unsigned opcode, + const struct ureg_dst *dst, + unsigned nr_dst, + const struct ureg_src *src, + unsigned nr_src ); + + +/*********************************************************************** + * Internal instruction helpers, don't call these directly: + */ + +unsigned +ureg_emit_insn(struct ureg_program *ureg, + unsigned opcode, + boolean saturate, + unsigned num_dst, + unsigned num_src ); + +void +ureg_emit_label(struct ureg_program *ureg, + unsigned insn_token, + unsigned *label_token ); + +void +ureg_emit_texture(struct ureg_program *ureg, + unsigned insn_token, + unsigned target ); + +void +ureg_emit_dst( struct ureg_program *ureg, + struct ureg_dst dst ); + +void +ureg_emit_src( struct ureg_program *ureg, + struct ureg_src src ); + +void +ureg_fixup_insn_size(struct ureg_program *ureg, + unsigned insn ); + + +#define OP00( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 0 ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP01( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_src src ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 1 ); \ + ureg_emit_src( ureg, src ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP00_LBL( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + unsigned *label_token ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 0 ); \ + ureg_emit_label( ureg, insn, label_token ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP01_LBL( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_src src, \ + unsigned *label_token ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 1 ); \ + ureg_emit_label( ureg, insn, label_token ); \ + ureg_emit_src( ureg, src ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP10( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 0 ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + + +#define OP11( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst, \ + struct ureg_src src ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 1 ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_emit_src( ureg, src ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP12( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst, \ + struct ureg_src src0, \ + struct ureg_src src1 ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 2 ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_emit_src( ureg, src0 ); \ + ureg_emit_src( ureg, src1 ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP12_TEX( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst, \ + unsigned target, \ + struct ureg_src src0, \ + struct ureg_src src1 ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 2 ); \ + ureg_emit_texture( ureg, insn, target ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_emit_src( ureg, src0 ); \ + ureg_emit_src( ureg, src1 ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP13( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst, \ + struct ureg_src src0, \ + struct ureg_src src1, \ + struct ureg_src src2 ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 3 ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_emit_src( ureg, src0 ); \ + ureg_emit_src( ureg, src1 ); \ + ureg_emit_src( ureg, src2 ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + +#define OP14_TEX( op ) \ +static INLINE void ureg_##op( struct ureg_program *ureg, \ + struct ureg_dst dst, \ + unsigned target, \ + struct ureg_src src0, \ + struct ureg_src src1, \ + struct ureg_src src2, \ + struct ureg_src src3 ) \ +{ \ + unsigned opcode = TGSI_OPCODE_##op; \ + unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 4 ); \ + ureg_emit_texture( ureg, insn, target ); \ + ureg_emit_dst( ureg, dst ); \ + ureg_emit_src( ureg, src0 ); \ + ureg_emit_src( ureg, src1 ); \ + ureg_emit_src( ureg, src2 ); \ + ureg_emit_src( ureg, src3 ); \ + ureg_fixup_insn_size( ureg, insn ); \ +} + + +/* Use a template include to generate a correctly-typed ureg_OP() + * function for each TGSI opcode: + */ +#include "tgsi_opcode_tmp.h" + + +/*********************************************************************** + * Inline helpers for manipulating register structs: + */ +static INLINE struct ureg_src +ureg_negate( struct ureg_src reg ) +{ + assert(reg.File != TGSI_FILE_NULL); + reg.Negate ^= 1; + return reg; +} + +static INLINE struct ureg_src +ureg_abs( struct ureg_src reg ) +{ + assert(reg.File != TGSI_FILE_NULL); + reg.Absolute = 1; + reg.Negate = 0; + return reg; +} + +static INLINE struct ureg_src +ureg_swizzle( struct ureg_src reg, + int x, int y, int z, int w ) +{ + unsigned swz = ( (reg.SwizzleX << 0) | + (reg.SwizzleY << 2) | + (reg.SwizzleZ << 4) | + (reg.SwizzleW << 6)); + + assert(reg.File != TGSI_FILE_NULL); + assert(x < 4); + assert(y < 4); + assert(z < 4); + assert(w < 4); + + reg.SwizzleX = (swz >> (x*2)) & 0x3; + reg.SwizzleY = (swz >> (y*2)) & 0x3; + reg.SwizzleZ = (swz >> (z*2)) & 0x3; + reg.SwizzleW = (swz >> (w*2)) & 0x3; + return reg; +} + +static INLINE struct ureg_src +ureg_scalar( struct ureg_src reg, int x ) +{ + return ureg_swizzle(reg, x, x, x, x); +} + +static INLINE struct ureg_dst +ureg_writemask( struct ureg_dst reg, + unsigned writemask ) +{ + assert(reg.File != TGSI_FILE_NULL); + reg.WriteMask &= writemask; + return reg; +} + +static INLINE struct ureg_dst +ureg_saturate( struct ureg_dst reg ) +{ + assert(reg.File != TGSI_FILE_NULL); + reg.Saturate = 1; + return reg; +} + +static INLINE struct ureg_dst +ureg_dst_indirect( struct ureg_dst reg, struct ureg_src addr ) +{ + assert(reg.File != TGSI_FILE_NULL); + assert(addr.File == TGSI_FILE_ADDRESS); + reg.Indirect = 1; + reg.IndirectIndex = addr.Index; + reg.IndirectSwizzle = addr.SwizzleX; + return reg; +} + +static INLINE struct ureg_src +ureg_src_indirect( struct ureg_src reg, struct ureg_src addr ) +{ + assert(reg.File != TGSI_FILE_NULL); + assert(addr.File == TGSI_FILE_ADDRESS); + reg.Indirect = 1; + reg.IndirectIndex = addr.Index; + reg.IndirectSwizzle = addr.SwizzleX; + return reg; +} + +static INLINE struct ureg_dst +ureg_dst( struct ureg_src src ) +{ + struct ureg_dst dst; + + dst.File = src.File; + dst.WriteMask = TGSI_WRITEMASK_XYZW; + dst.Indirect = src.Indirect; + dst.IndirectIndex = src.IndirectIndex; + dst.IndirectSwizzle = src.IndirectSwizzle; + dst.Saturate = 0; + dst.Index = src.Index; + dst.Pad1 = 0; + dst.Pad2 = 0; + + return dst; +} + +static INLINE struct ureg_src +ureg_src( struct ureg_dst dst ) +{ + struct ureg_src src; + + src.File = dst.File; + src.SwizzleX = TGSI_SWIZZLE_X; + src.SwizzleY = TGSI_SWIZZLE_Y; + src.SwizzleZ = TGSI_SWIZZLE_Z; + src.SwizzleW = TGSI_SWIZZLE_W; + src.Pad = 0; + src.Indirect = dst.Indirect; + src.IndirectIndex = dst.IndirectIndex; + src.IndirectSwizzle = dst.IndirectSwizzle; + src.Absolute = 0; + src.Index = dst.Index; + src.Negate = 0; + + return src; +} + + + +static INLINE struct ureg_dst +ureg_dst_undef( void ) +{ + struct ureg_dst dst; + + dst.File = TGSI_FILE_NULL; + dst.WriteMask = 0; + dst.Indirect = 0; + dst.IndirectIndex = 0; + dst.IndirectSwizzle = 0; + dst.Saturate = 0; + dst.Index = 0; + dst.Pad1 = 0; + dst.Pad2 = 0; + + return dst; +} + +static INLINE struct ureg_src +ureg_src_undef( void ) +{ + struct ureg_src src; + + src.File = TGSI_FILE_NULL; + src.SwizzleX = 0; + src.SwizzleY = 0; + src.SwizzleZ = 0; + src.SwizzleW = 0; + src.Pad = 0; + src.Indirect = 0; + src.IndirectIndex = 0; + src.IndirectSwizzle = 0; + src.Absolute = 0; + src.Index = 0; + src.Negate = 0; + + return src; +} + +static INLINE boolean +ureg_src_is_undef( struct ureg_src src ) +{ + return src.File == TGSI_FILE_NULL; +} + +static INLINE boolean +ureg_dst_is_undef( struct ureg_dst dst ) +{ + return dst.File == TGSI_FILE_NULL; +} + + +#ifdef __cplusplus +} +#endif + +#endif |