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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_compiler.h"
#include <stdio.h>
#include "radeon_dataflow.h"
#include "radeon_emulate_branches.h"
#include "radeon_emulate_loops.h"
#include "radeon_program_alu.h"
#include "radeon_program_tex.h"
#include "radeon_rename_regs.h"
#include "radeon_remove_constants.h"
#include "r300_fragprog.h"
#include "r300_fragprog_swizzle.h"
#include "r500_fragprog.h"
static void dataflow_outputs_mark_use(void * userdata, void * data,
void (*callback)(void *, unsigned int, unsigned int))
{
struct r300_fragment_program_compiler * c = userdata;
callback(data, c->OutputColor[0], RC_MASK_XYZW);
callback(data, c->OutputColor[1], RC_MASK_XYZW);
callback(data, c->OutputColor[2], RC_MASK_XYZW);
callback(data, c->OutputColor[3], RC_MASK_XYZW);
callback(data, c->OutputDepth, RC_MASK_W);
}
static void rc_rewrite_depth_out(struct radeon_compiler *cc, void *user)
{
struct r300_fragment_program_compiler *c = (struct r300_fragment_program_compiler*)cc;
struct rc_instruction *rci;
for (rci = c->Base.Program.Instructions.Next; rci != &c->Base.Program.Instructions; rci = rci->Next) {
struct rc_sub_instruction * inst = &rci->U.I;
if (inst->DstReg.File != RC_FILE_OUTPUT || inst->DstReg.Index != c->OutputDepth)
continue;
if (inst->DstReg.WriteMask & RC_MASK_Z) {
inst->DstReg.WriteMask = RC_MASK_W;
} else {
inst->DstReg.WriteMask = 0;
continue;
}
switch (inst->Opcode) {
case RC_OPCODE_FRC:
case RC_OPCODE_MOV:
inst->SrcReg[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[0]);
break;
case RC_OPCODE_ADD:
case RC_OPCODE_MAX:
case RC_OPCODE_MIN:
case RC_OPCODE_MUL:
inst->SrcReg[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[0]);
inst->SrcReg[1] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[1]);
break;
case RC_OPCODE_CMP:
case RC_OPCODE_MAD:
inst->SrcReg[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[0]);
inst->SrcReg[1] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[1]);
inst->SrcReg[2] = lmul_swizzle(RC_SWIZZLE_ZZZZ, inst->SrcReg[2]);
break;
default:
// Scalar instructions needn't be reswizzled
break;
}
}
}
void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
{
int is_r500 = c->Base.is_r500;
int kill_consts = c->Base.remove_unused_constants;
int opt = !c->Base.disable_optimizations;
/* Lists of instruction transformations. */
struct radeon_program_transformation rewrite_tex[] = {
{ &radeonTransformTEX, c },
{ 0, 0 }
};
struct radeon_program_transformation native_rewrite_r500[] = {
{ &r500_transform_IF, 0 },
{ &radeonTransformALU, 0 },
{ &radeonTransformDeriv, 0 },
{ &radeonTransformTrigScale, 0 },
{ 0, 0 }
};
struct radeon_program_transformation native_rewrite_r300[] = {
{ &radeonTransformALU, 0 },
{ &r300_transform_trig_simple, 0 },
{ 0, 0 }
};
/* List of compiler passes. */
struct radeon_compiler_pass fs_list[] = {
/* NAME DUMP PREDICATE FUNCTION PARAM */
{"rewrite depth out", 1, 1, rc_rewrite_depth_out, NULL},
/* This transformation needs to be done before any of the IF
* instructions are modified. */
{"transform KILP", 1, 1, rc_transform_KILP, NULL},
{"unroll loops", 1, is_r500, rc_unroll_loops, NULL},
{"transform loops", 1, !is_r500, rc_transform_loops, NULL},
{"emulate branches", 1, !is_r500, rc_emulate_branches, NULL},
{"transform TEX", 1, 1, rc_local_transform, rewrite_tex},
{"native rewrite", 1, is_r500, rc_local_transform, native_rewrite_r500},
{"native rewrite", 1, !is_r500, rc_local_transform, native_rewrite_r300},
{"deadcode", 1, opt, rc_dataflow_deadcode, dataflow_outputs_mark_use},
{"emulate loops", 1, !is_r500, rc_emulate_loops, NULL},
{"dataflow optimize", 1, opt, rc_optimize, NULL},
{"dataflow swizzles", 1, 1, rc_dataflow_swizzles, NULL},
{"dead constants", 1, kill_consts, rc_remove_unused_constants, &c->code->constants_remap_table},
/* This pass makes it easier for the scheduler to group TEX
* instructions and reduces the chances of creating too
* many texture indirections.*/
{"register rename", 1, !is_r500, rc_rename_regs, NULL},
{"pair translate", 1, 1, rc_pair_translate, NULL},
{"pair scheduling", 1, 1, rc_pair_schedule, NULL},
{"register allocation", 1, opt, rc_pair_regalloc, NULL},
{"dumb register allocation", 1, !opt, rc_pair_regalloc_inputs_only, NULL},
{"final code validation", 0, 1, rc_validate_final_shader, NULL},
{"machine code generation", 0, is_r500, r500BuildFragmentProgramHwCode, NULL},
{"machine code generation", 0, !is_r500, r300BuildFragmentProgramHwCode, NULL},
{"dump machine code", 0, is_r500 && c->Base.Debug, r500FragmentProgramDump, NULL},
{"dump machine code", 0, !is_r500 && c->Base.Debug, r300FragmentProgramDump, NULL},
{NULL, 0, 0, NULL, NULL}
};
c->Base.SwizzleCaps = c->Base.is_r500 ? &r500_swizzle_caps : &r300_swizzle_caps;
rc_run_compiler(&c->Base, fs_list, "Fragment Program");
rc_constants_copy(&c->code->constants, &c->Base.Program.Constants);
}
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