diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_tgsi_emit.h')
-rw-r--r-- | src/gallium/drivers/svga/svga_tgsi_emit.h | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_emit.h b/src/gallium/drivers/svga/svga_tgsi_emit.h new file mode 100644 index 0000000..2557824 --- /dev/null +++ b/src/gallium/drivers/svga/svga_tgsi_emit.h @@ -0,0 +1,345 @@ +/********************************************************** + * Copyright 2008-2009 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 SVGA_TGSI_EMIT_H +#define SVGA_TGSI_EMIT_H + +#include "tgsi/tgsi_scan.h" +#include "svga_hw_reg.h" +#include "svga_tgsi.h" +#include "svga3d_shaderdefs.h" + +struct src_register +{ + SVGA3dShaderSrcToken base; + SVGA3dShaderSrcToken indirect; +}; + + +struct svga_arl_consts { + int number; + int idx; + int swizzle; + int arl_num; +}; + +/* Internal functions: + */ + +struct svga_shader_emitter +{ + boolean use_sm30; + + unsigned size; + char *buf; + char *ptr; + + union svga_compile_key key; + struct tgsi_shader_info info; + int unit; + + int imm_start; + + int nr_hw_const; + int nr_hw_temp; + + int insn_offset; + + int internal_temp_count; + int internal_imm_count; + + int internal_color_idx[2]; /* diffuse, specular */ + int internal_color_count; + + boolean emitted_vface; + boolean emit_frontface; + int internal_frontface_idx; + + int ps30_input_count; + + boolean in_main_func; + + boolean created_zero_immediate; + int zero_immediate_idx; + + boolean created_loop_const; + int loop_const_idx; + + boolean created_sincos_consts; + int sincos_consts_idx; + + unsigned label[32]; + unsigned nr_labels; + + struct src_register input_map[PIPE_MAX_ATTRIBS]; + SVGA3dShaderDestToken output_map[PIPE_MAX_ATTRIBS]; + + struct src_register imm_0055; + SVGA3dShaderDestToken temp_pos; + SVGA3dShaderDestToken true_pos; + + SVGA3dShaderDestToken temp_col[PIPE_MAX_COLOR_BUFS]; + SVGA3dShaderDestToken true_col[PIPE_MAX_COLOR_BUFS]; + + SVGA3dShaderDestToken temp_psiz; + SVGA3dShaderDestToken true_psiz; + + struct svga_arl_consts arl_consts[12]; + int num_arl_consts; + int current_arl; +}; + + +boolean svga_shader_emit_dword( struct svga_shader_emitter *emit, + unsigned dword ); + +boolean svga_shader_emit_dwords( struct svga_shader_emitter *emit, + const unsigned *dwords, + unsigned nr ); + +boolean svga_shader_emit_opcode( struct svga_shader_emitter *emit, + unsigned opcode ); + +boolean svga_shader_emit_instructions( struct svga_shader_emitter *emit, + const struct tgsi_token *tokens ); + +boolean svga_translate_decl_sm20( struct svga_shader_emitter *emit, + const struct tgsi_full_declaration *decl ); + +boolean svga_translate_decl_sm30( struct svga_shader_emitter *emit, + const struct tgsi_full_declaration *decl ); + + +static INLINE boolean emit_dst( struct svga_shader_emitter *emit, + SVGA3dShaderDestToken dest ) +{ + assert(dest.reserved0); + return svga_shader_emit_dword( emit, dest.value ); +} + +static INLINE boolean emit_src( struct svga_shader_emitter *emit, + const struct src_register src ) +{ + if (src.base.relAddr) { + assert(src.base.reserved0); + assert(src.indirect.reserved0); + return (svga_shader_emit_dword( emit, src.base.value ) && + svga_shader_emit_dword( emit, src.indirect.value )); + } + else { + assert(src.base.reserved0); + return svga_shader_emit_dword( emit, src.base.value ); + } +} + + +static INLINE boolean emit_instruction( struct svga_shader_emitter *emit, + SVGA3dShaderInstToken opcode ) +{ + return svga_shader_emit_opcode( emit, opcode.value ); +} + + +static INLINE boolean emit_op1( struct svga_shader_emitter *emit, + SVGA3dShaderInstToken inst, + SVGA3dShaderDestToken dest, + struct src_register src0 ) +{ + return (emit_instruction( emit, inst ) && + emit_dst( emit, dest ) && + emit_src( emit, src0 )); +} + +static INLINE boolean emit_op2( struct svga_shader_emitter *emit, + SVGA3dShaderInstToken inst, + SVGA3dShaderDestToken dest, + struct src_register src0, + struct src_register src1 ) +{ + return (emit_instruction( emit, inst ) && + emit_dst( emit, dest ) && + emit_src( emit, src0 ) && + emit_src( emit, src1 )); +} + +static INLINE boolean emit_op3( struct svga_shader_emitter *emit, + SVGA3dShaderInstToken inst, + SVGA3dShaderDestToken dest, + struct src_register src0, + struct src_register src1, + struct src_register src2 ) +{ + return (emit_instruction( emit, inst ) && + emit_dst( emit, dest ) && + emit_src( emit, src0 ) && + emit_src( emit, src1 ) && + emit_src( emit, src2 )); +} + + +#define TRANSLATE_SWIZZLE(x,y,z,w) ((x) | ((y) << 2) | ((z) << 4) | ((w) << 6)) +#define SWIZZLE_XYZW \ + TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_W) +#define SWIZZLE_XXXX \ + TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X) +#define SWIZZLE_YYYY \ + TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y) +#define SWIZZLE_ZZZZ \ + TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z) +#define SWIZZLE_WWWW \ + TRANSLATE_SWIZZLE(TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W) + + + +static INLINE SVGA3dShaderInstToken +inst_token( unsigned opcode ) +{ + SVGA3dShaderInstToken inst; + + inst.value = 0; + inst.op = opcode; + + return inst; +} + +static INLINE SVGA3dShaderDestToken +dst_register( unsigned file, + int number ) +{ + SVGA3dShaderDestToken dest; + + dest.value = 0; + dest.num = number; + dest.type_upper = file >> 3; + dest.relAddr = 0; + dest.reserved1 = 0; + dest.mask = 0xf; + dest.dstMod = 0; + dest.shfScale = 0; + dest.type_lower = file & 0x7; + dest.reserved0 = 1; /* is_reg */ + + return dest; +} + +static INLINE SVGA3dShaderDestToken +writemask( SVGA3dShaderDestToken dest, + unsigned mask ) +{ + dest.mask &= mask; + return dest; +} + + +static INLINE SVGA3dShaderSrcToken +src_token( unsigned file, int number ) +{ + SVGA3dShaderSrcToken src; + + src.value = 0; + src.num = number; + src.type_upper = file >> 3; + src.relAddr = 0; + src.reserved1 = 0; + src.swizzle = SWIZZLE_XYZW; + src.srcMod = 0; + src.type_lower = file & 0x7; + src.reserved0 = 1; /* is_reg */ + + return src; +} + + +static INLINE struct src_register +absolute( struct src_register src ) +{ + src.base.srcMod = SVGA3DSRCMOD_ABS; + + return src; +} + + +static INLINE struct src_register +negate( struct src_register src ) +{ + switch (src.base.srcMod) { + case SVGA3DSRCMOD_ABS: + src.base.srcMod = SVGA3DSRCMOD_ABSNEG; + break; + case SVGA3DSRCMOD_ABSNEG: + src.base.srcMod = SVGA3DSRCMOD_ABS; + break; + case SVGA3DSRCMOD_NEG: + src.base.srcMod = SVGA3DSRCMOD_NONE; + break; + case SVGA3DSRCMOD_NONE: + src.base.srcMod = SVGA3DSRCMOD_NEG; + break; + } + return src; +} + + +static INLINE struct src_register +src_register( unsigned file, int number ) +{ + struct src_register src; + + src.base = src_token( file, number ); + src.indirect.value = 0; + + return src; +} + +static INLINE SVGA3dShaderDestToken dst( struct src_register src ) +{ + return dst_register( SVGA3dShaderGetRegType( src.base.value ), + src.base.num ); +} + +static INLINE struct src_register src( SVGA3dShaderDestToken dst ) +{ + return src_register( SVGA3dShaderGetRegType( dst.value ), + dst.num ); +} + +static INLINE ubyte svga_tgsi_sampler_type( struct svga_shader_emitter *emit, + int idx ) +{ + switch (emit->key.fkey.tex[idx].texture_target) { + case PIPE_TEXTURE_1D: + return SVGA3DSAMP_2D; + case PIPE_TEXTURE_2D: + return SVGA3DSAMP_2D; + case PIPE_TEXTURE_3D: + return SVGA3DSAMP_VOLUME; + case PIPE_TEXTURE_CUBE: + return SVGA3DSAMP_CUBE; + } + + return SVGA3DSAMP_UNKNOWN; +} + +#endif |