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Diffstat (limited to 'src/mesa/pipe/i965simple/brw_wm_pass0.c')
-rw-r--r--src/mesa/pipe/i965simple/brw_wm_pass0.c466
1 files changed, 0 insertions, 466 deletions
diff --git a/src/mesa/pipe/i965simple/brw_wm_pass0.c b/src/mesa/pipe/i965simple/brw_wm_pass0.c
deleted file mode 100644
index 2ec3ac00c1..0000000000
--- a/src/mesa/pipe/i965simple/brw_wm_pass0.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/*
- Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- develop this 3D driver.
-
- 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 (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 NONINFRINGEMENT.
- IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
-
- **********************************************************************/
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "brw_context.h"
-#include "brw_wm.h"
-
-
-#if 0
-/***********************************************************************
- */
-
-static struct brw_wm_ref *get_ref( struct brw_wm_compile *c )
-{
- assert(c->nr_refs < BRW_WM_MAX_REF);
- return &c->refs[c->nr_refs++];
-}
-
-static struct brw_wm_value *get_value( struct brw_wm_compile *c)
-{
- assert(c->nr_refs < BRW_WM_MAX_VREG);
- return &c->vreg[c->nr_vreg++];
-}
-
-static struct brw_wm_instruction *get_instruction( struct brw_wm_compile *c )
-{
- assert(c->nr_insns < BRW_WM_MAX_INSN);
- return &c->instruction[c->nr_insns++];
-}
-
-/***********************************************************************
- */
-
-static void pass0_init_undef( struct brw_wm_compile *c)
-{
- struct brw_wm_ref *ref = &c->undef_ref;
- ref->value = &c->undef_value;
- ref->hw_reg = brw_vec8_grf(0, 0);
- ref->insn = 0;
- ref->prevuse = NULL;
-}
-
-static void pass0_set_fpreg_value( struct brw_wm_compile *c,
- unsigned file,
- unsigned idx,
- unsigned component,
- struct brw_wm_value *value )
-{
- struct brw_wm_ref *ref = get_ref(c);
- ref->value = value;
- ref->hw_reg = brw_vec8_grf(0, 0);
- ref->insn = 0;
- ref->prevuse = NULL;
- c->pass0_fp_reg[file][idx][component] = ref;
-}
-
-static void pass0_set_fpreg_ref( struct brw_wm_compile *c,
- unsigned file,
- unsigned idx,
- unsigned component,
- const struct brw_wm_ref *src_ref )
-{
- c->pass0_fp_reg[file][idx][component] = src_ref;
-}
-
-static const struct brw_wm_ref *get_param_ref( struct brw_wm_compile *c,
- const float *param_ptr )
-{
- unsigned i = c->prog_data.nr_params++;
-
- if (i >= BRW_WM_MAX_PARAM) {
- _mesa_printf("%s: out of params\n", __FUNCTION__);
- c->prog_data.error = 1;
- return NULL;
- }
- else {
- struct brw_wm_ref *ref = get_ref(c);
-
- c->prog_data.param[i] = param_ptr;
- c->nr_creg = (i+16)/16;
-
- /* Push the offsets into hw_reg. These will be added to the
- * real register numbers once one is allocated in pass2.
- */
- ref->hw_reg = brw_vec1_grf((i&8)?1:0, i%8);
- ref->value = &c->creg[i/16];
- ref->insn = 0;
- ref->prevuse = NULL;
-
- return ref;
- }
-}
-
-
-static const struct brw_wm_ref *get_const_ref( struct brw_wm_compile *c,
- const float *constval )
-{
- unsigned i;
-
- /* Search for an existing const value matching the request:
- */
- for (i = 0; i < c->nr_constrefs; i++) {
- if (c->constref[i].constval == *constval)
- return c->constref[i].ref;
- }
-
- /* Else try to add a new one:
- */
- if (c->nr_constrefs < BRW_WM_MAX_CONST) {
- unsigned i = c->nr_constrefs++;
-
- /* A constant is a special type of parameter:
- */
- c->constref[i].constval = *constval;
- c->constref[i].ref = get_param_ref(c, constval);
-
- return c->constref[i].ref;
- }
- else {
- _mesa_printf("%s: out of constrefs\n", __FUNCTION__);
- c->prog_data.error = 1;
- return NULL;
- }
-}
-
-
-/* Lookup our internal registers
- */
-static const struct brw_wm_ref *pass0_get_reg( struct brw_wm_compile *c,
- unsigned file,
- unsigned idx,
- unsigned component )
-{
- const struct brw_wm_ref *ref = c->pass0_fp_reg[file][idx][component];
-
- if (!ref) {
- switch (file) {
- case PROGRAM_INPUT:
- case PROGRAM_PAYLOAD:
- case PROGRAM_TEMPORARY:
- case PROGRAM_OUTPUT:
- case PROGRAM_VARYING:
- break;
-
- case PROGRAM_LOCAL_PARAM:
- ref = get_param_ref(c, &c->fp->program.Base.LocalParams[idx][component]);
- break;
-
- case PROGRAM_ENV_PARAM:
- ref = get_param_ref(c, &c->env_param[idx][component]);
- break;
-
- case PROGRAM_STATE_VAR:
- case PROGRAM_UNIFORM:
- case PROGRAM_CONSTANT:
- case PROGRAM_NAMED_PARAM: {
- struct gl_program_parameter_list *plist = c->fp->program.Base.Parameters;
-
- /* There's something really hokey about parameters parsed in
- * arb programs - they all end up in here, whether they be
- * state values, paramters or constants. This duplicates the
- * structure above & also seems to subvert the limits set for
- * each type of constant/param.
- */
- switch (plist->Parameters[idx].Type) {
- case PROGRAM_NAMED_PARAM:
- case PROGRAM_CONSTANT:
- /* These are invarient:
- */
- ref = get_const_ref(c, &plist->ParameterValues[idx][component]);
- break;
-
- case PROGRAM_STATE_VAR:
- case PROGRAM_UNIFORM:
- /* These may change from run to run:
- */
- ref = get_param_ref(c, &plist->ParameterValues[idx][component] );
- break;
-
- default:
- assert(0);
- break;
- }
- break;
- }
-
- default:
- assert(0);
- break;
- }
-
- c->pass0_fp_reg[file][idx][component] = ref;
- }
-
- if (!ref)
- ref = &c->undef_ref;
-
- return ref;
-}
-
-
-
-
-/***********************************************************************
- * Straight translation to internal instruction format
- */
-
-static void pass0_set_dst( struct brw_wm_compile *c,
- struct brw_wm_instruction *out,
- const struct prog_instruction *inst,
- unsigned writemask )
-{
- const struct prog_dst_register *dst = &inst->DstReg;
- unsigned i;
-
- for (i = 0; i < 4; i++) {
- if (writemask & (1<<i)) {
- out->dst[i] = get_value(c);
-
- pass0_set_fpreg_value(c, dst->File, dst->Index, i, out->dst[i]);
- }
- }
-
- out->writemask = writemask;
-}
-
-
-static void pass0_set_dst_scalar( struct brw_wm_compile *c,
- struct brw_wm_instruction *out,
- const struct prog_instruction *inst,
- unsigned writemask )
-{
- if (writemask) {
- const struct prog_dst_register *dst = &inst->DstReg;
- unsigned i;
-
- /* Compute only the first (X) value:
- */
- out->writemask = WRITEMASK_X;
- out->dst[0] = get_value(c);
-
- /* Update our tracking register file for all the components in
- * writemask:
- */
- for (i = 0; i < 4; i++) {
- if (writemask & (1<<i)) {
- pass0_set_fpreg_value(c, dst->File, dst->Index, i, out->dst[0]);
- }
- }
- }
- else
- out->writemask = 0;
-}
-
-
-
-static const struct brw_wm_ref *get_fp_src_reg_ref( struct brw_wm_compile *c,
- struct prog_src_register src,
- unsigned i )
-{
- unsigned component = GET_SWZ(src.Swizzle,i);
- const struct brw_wm_ref *src_ref;
- static const float const_zero = 0.0;
- static const float const_one = 1.0;
-
-
- if (component == SWIZZLE_ZERO)
- src_ref = get_const_ref(c, &const_zero);
- else if (component == SWIZZLE_ONE)
- src_ref = get_const_ref(c, &const_one);
- else
- src_ref = pass0_get_reg(c, src.File, src.Index, component);
-
- return src_ref;
-}
-
-
-static struct brw_wm_ref *get_new_ref( struct brw_wm_compile *c,
- struct prog_src_register src,
- unsigned i,
- struct brw_wm_instruction *insn)
-{
- const struct brw_wm_ref *ref = get_fp_src_reg_ref(c, src, i);
- struct brw_wm_ref *newref = get_ref(c);
-
- newref->value = ref->value;
- newref->hw_reg = ref->hw_reg;
-
- if (insn) {
- newref->insn = insn - c->instruction;
- newref->prevuse = newref->value->lastuse;
- newref->value->lastuse = newref;
- }
-
- if (src.NegateBase & (1<<i))
- newref->hw_reg.negate ^= 1;
-
- if (src.Abs) {
- newref->hw_reg.negate = 0;
- newref->hw_reg.abs = 1;
- }
-
- return newref;
-}
-
-
-
-static struct brw_wm_instruction *translate_insn( struct brw_wm_compile *c,
- const struct prog_instruction *inst )
-{
- struct brw_wm_instruction *out = get_instruction(c);
- unsigned writemask = inst->DstReg.WriteMask;
- unsigned nr_args = brw_wm_nr_args(inst->Opcode);
- unsigned i, j;
-
- /* Copy some data out of the instruction
- */
- out->opcode = inst->Opcode;
- out->saturate = (inst->SaturateMode != SATURATE_OFF);
- out->tex_unit = inst->TexSrcUnit;
- out->tex_idx = inst->TexSrcTarget;
-
- /* Args:
- */
- for (i = 0; i < nr_args; i++) {
- for (j = 0; j < 4; j++) {
- out->src[i][j] = get_new_ref(c, inst->SrcReg[i], j, out);
- }
- }
-
- /* Dst:
- */
- if (brw_wm_is_scalar_result(out->opcode))
- pass0_set_dst_scalar(c, out, inst, writemask);
- else
- pass0_set_dst(c, out, inst, writemask);
-
- return out;
-}
-
-
-
-/***********************************************************************
- * Optimize moves and swizzles away:
- */
-static void pass0_precalc_mov( struct brw_wm_compile *c,
- const struct prog_instruction *inst )
-{
- const struct prog_dst_register *dst = &inst->DstReg;
- unsigned writemask = inst->DstReg.WriteMask;
- unsigned i;
-
- /* Get the effect of a MOV by manipulating our register table:
- */
- for (i = 0; i < 4; i++) {
- if (writemask & (1<<i)) {
- pass0_set_fpreg_ref( c, dst->File, dst->Index, i,
- get_new_ref(c, inst->SrcReg[0], i, NULL));
- }
- }
-}
-
-
-/* Initialize payload "registers".
- */
-static void pass0_init_payload( struct brw_wm_compile *c )
-{
- unsigned i;
-
- for (i = 0; i < 4; i++) {
- unsigned j = i >= c->key.nr_depth_regs ? 0 : i;
- pass0_set_fpreg_value( c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, i,
- &c->payload.depth[j] );
- }
-
-#if 0
- /* This seems to be an alternative to the INTERP_WPOS stuff I do
- * elsewhere:
- */
- if (c->key.source_depth_reg)
- pass0_set_fpreg_value(c, PROGRAM_INPUT, FRAG_ATTRIB_WPOS, 2,
- &c->payload.depth[c->key.source_depth_reg/2]);
-#endif
-
- for (i = 0; i < FRAG_ATTRIB_MAX; i++)
- pass0_set_fpreg_value( c, PROGRAM_PAYLOAD, i, 0,
- &c->payload.input_interp[i] );
-}
-
-/***********************************************************************
- * PASS 0
- *
- * Work forwards to give each calculated value a unique number. Where
- * an instruction produces duplicate values (eg DP3), all are given
- * the same number.
- *
- * Translate away swizzling and eliminate non-saturating moves.
- */
-void brw_wm_pass0( struct brw_wm_compile *c )
-{
- unsigned insn;
-
- c->nr_vreg = 0;
- c->nr_insns = 0;
-
- pass0_init_undef(c);
- pass0_init_payload(c);
-
- for (insn = 0; insn < c->nr_fp_insns; insn++) {
- const struct prog_instruction *inst = &c->prog_instructions[insn];
-
-
- /* Optimize away moves, otherwise emit translated instruction:
- */
- switch (inst->Opcode) {
- case OPCODE_MOV:
- case OPCODE_SWZ:
- if (!inst->SaturateMode) {
- pass0_precalc_mov(c, inst);
- }
- else {
- translate_insn(c, inst);
- }
- break;
-
-
- default:
- translate_insn(c, inst);
- break;
- }
- }
-
- if (BRW_DEBUG & DEBUG_WM) {
- brw_wm_print_program(c, "pass0");
- }
-}
-
-#endif
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