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/*
* Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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. */
#include "radeon_program.h"
#include <stdio.h>
static const char * textarget_to_string(rc_texture_target target)
{
switch(target) {
case RC_TEXTURE_2D_ARRAY: return "2D_ARRAY";
case RC_TEXTURE_1D_ARRAY: return "1D_ARRAY";
case RC_TEXTURE_CUBE: return "CUBE";
case RC_TEXTURE_3D: return "3D";
case RC_TEXTURE_RECT: return "RECT";
case RC_TEXTURE_2D: return "2D";
case RC_TEXTURE_1D: return "1D";
default: return "BAD_TEXTURE_TARGET";
}
}
static void rc_print_comparefunc(FILE * f, const char * lhs, rc_compare_func func, const char * rhs)
{
if (func == RC_COMPARE_FUNC_NEVER) {
fprintf(f, "false");
} else if (func == RC_COMPARE_FUNC_ALWAYS) {
fprintf(f, "true");
} else {
const char * op;
switch(func) {
case RC_COMPARE_FUNC_LESS: op = "<"; break;
case RC_COMPARE_FUNC_EQUAL: op = "=="; break;
case RC_COMPARE_FUNC_LEQUAL: op = "<="; break;
case RC_COMPARE_FUNC_GREATER: op = ">"; break;
case RC_COMPARE_FUNC_NOTEQUAL: op = "!="; break;
case RC_COMPARE_FUNC_GEQUAL: op = ">="; break;
default: op = "???"; break;
}
fprintf(f, "%s %s %s", lhs, op, rhs);
}
}
static void rc_print_register(FILE * f, rc_register_file file, int index, unsigned int reladdr)
{
if (file == RC_FILE_NONE) {
fprintf(f, "none");
} else if (file == RC_FILE_SPECIAL) {
switch(index) {
case RC_SPECIAL_ALU_RESULT: fprintf(f, "aluresult"); break;
default: fprintf(f, "special[%i]", index); break;
}
} else {
const char * filename;
switch(file) {
case RC_FILE_TEMPORARY: filename = "temp"; break;
case RC_FILE_INPUT: filename = "input"; break;
case RC_FILE_OUTPUT: filename = "output"; break;
case RC_FILE_ADDRESS: filename = "addr"; break;
case RC_FILE_CONSTANT: filename = "const"; break;
default: filename = "BAD FILE"; break;
}
fprintf(f, "%s[%i%s]", filename, index, reladdr ? " + addr[0]" : "");
}
}
static void rc_print_mask(FILE * f, unsigned int mask)
{
if (mask & RC_MASK_X) fprintf(f, "x");
if (mask & RC_MASK_Y) fprintf(f, "y");
if (mask & RC_MASK_Z) fprintf(f, "z");
if (mask & RC_MASK_W) fprintf(f, "w");
}
static void rc_print_dst_register(FILE * f, struct rc_dst_register dst)
{
rc_print_register(f, dst.File, dst.Index, dst.RelAddr);
if (dst.WriteMask != RC_MASK_XYZW) {
fprintf(f, ".");
rc_print_mask(f, dst.WriteMask);
}
}
static void rc_print_swizzle(FILE * f, unsigned int swizzle, unsigned int negate)
{
unsigned int comp;
for(comp = 0; comp < 4; ++comp) {
rc_swizzle swz = GET_SWZ(swizzle, comp);
if (GET_BIT(negate, comp))
fprintf(f, "-");
switch(swz) {
case RC_SWIZZLE_X: fprintf(f, "x"); break;
case RC_SWIZZLE_Y: fprintf(f, "y"); break;
case RC_SWIZZLE_Z: fprintf(f, "z"); break;
case RC_SWIZZLE_W: fprintf(f, "w"); break;
case RC_SWIZZLE_ZERO: fprintf(f, "0"); break;
case RC_SWIZZLE_ONE: fprintf(f, "1"); break;
case RC_SWIZZLE_HALF: fprintf(f, "H"); break;
case RC_SWIZZLE_UNUSED: fprintf(f, "_"); break;
}
}
}
static void rc_print_src_register(FILE * f, struct rc_src_register src)
{
int trivial_negate = (src.Negate == RC_MASK_NONE || src.Negate == RC_MASK_XYZW);
if (src.Negate == RC_MASK_XYZW)
fprintf(f, "-");
if (src.Abs)
fprintf(f, "|");
rc_print_register(f, src.File, src.Index, src.RelAddr);
if (src.Abs && !trivial_negate)
fprintf(f, "|");
if (src.Swizzle != RC_SWIZZLE_XYZW || !trivial_negate) {
fprintf(f, ".");
rc_print_swizzle(f, src.Swizzle, trivial_negate ? 0 : src.Negate);
}
if (src.Abs && trivial_negate)
fprintf(f, "|");
}
static void rc_print_instruction(FILE * f, struct rc_instruction * inst)
{
const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->I.Opcode);
unsigned int reg;
fprintf(f, "%s", opcode->Name);
switch(inst->I.SaturateMode) {
case RC_SATURATE_NONE: break;
case RC_SATURATE_ZERO_ONE: fprintf(f, "_SAT"); break;
case RC_SATURATE_MINUS_PLUS_ONE: fprintf(f, "_SAT2"); break;
default: fprintf(f, "_BAD_SAT"); break;
}
if (opcode->HasDstReg) {
fprintf(f, " ");
rc_print_dst_register(f, inst->I.DstReg);
if (opcode->NumSrcRegs)
fprintf(f, ",");
}
for(reg = 0; reg < opcode->NumSrcRegs; ++reg) {
if (reg > 0)
fprintf(f, ",");
fprintf(f, " ");
rc_print_src_register(f, inst->I.SrcReg[reg]);
}
if (opcode->HasTexture) {
fprintf(f, ", %s%s[%u]",
textarget_to_string(inst->I.TexSrcTarget),
inst->I.TexShadow ? "SHADOW" : "",
inst->I.TexSrcUnit);
}
fprintf(f, ";");
if (inst->I.WriteALUResult) {
fprintf(f, " [aluresult = (");
rc_print_comparefunc(f,
(inst->I.WriteALUResult == RC_ALURESULT_X) ? "x" : "w",
inst->I.ALUResultCompare, "0");
fprintf(f, ")]");
}
fprintf(f, "\n");
}
/**
* Print program to stderr, default options.
*/
void rc_print_program(const struct rc_program *prog)
{
unsigned int linenum = 0;
struct rc_instruction *inst;
fprintf(stderr, "# Radeon Compiler Program\n");
for(inst = prog->Instructions.Next; inst != &prog->Instructions; inst = inst->Next) {
fprintf(stderr, "%3d: ", linenum);
rc_print_instruction(stderr, inst);
linenum++;
}
}
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