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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#include "util/u_memory.h"
#include "pipe/p_shader_tokens.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_util.h"
#include "tgsi/tgsi_exec.h"
#include "draw_vs.h"
#include "draw_vs_aos.h"
#include "draw_vertex.h"
#include "rtasm/rtasm_x86sse.h"
#ifdef PIPE_ARCH_X86
/* Note - don't yet have to worry about interacting with the code in
* draw_vs_aos.c as there is no intermingling of generated code...
* That may have to change, we'll see.
*/
static void emit_load_R32G32B32A32( struct aos_compilation *cp,
struct x86_reg data,
struct x86_reg src_ptr )
{
sse_movups(cp->func, data, src_ptr);
}
static void emit_load_R32G32B32( struct aos_compilation *cp,
struct x86_reg data,
struct x86_reg src_ptr )
{
sse_movss(cp->func, data, x86_make_disp(src_ptr, 8));
/* data = z ? ? ? */
sse_shufps(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ), SHUF(X,Y,Z,W) );
/* data = z ? 0 1 */
sse_shufps(cp->func, data, data, SHUF(Y,Z,X,W) );
/* data = ? 0 z 1 */
sse_movlps(cp->func, data, src_ptr);
/* data = x y z 1 */
}
static void emit_load_R32G32( struct aos_compilation *cp,
struct x86_reg data,
struct x86_reg src_ptr )
{
sse_movups(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ) );
sse_movlps(cp->func, data, src_ptr);
}
static void emit_load_R32( struct aos_compilation *cp,
struct x86_reg data,
struct x86_reg src_ptr )
{
sse_movss(cp->func, data, src_ptr);
sse_orps(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ) );
}
static void emit_load_R8G8B8A8_UNORM( struct aos_compilation *cp,
struct x86_reg data,
struct x86_reg src_ptr )
{
sse_movss(cp->func, data, src_ptr);
sse2_punpcklbw(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ));
sse2_punpcklbw(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ));
sse2_cvtdq2ps(cp->func, data, data);
sse_mulps(cp->func, data, aos_get_internal(cp, IMM_INV_255));
}
/* Extended swizzles? Maybe later.
*/
static void emit_swizzle( struct aos_compilation *cp,
struct x86_reg dest,
struct x86_reg src,
ubyte shuffle )
{
sse_shufps(cp->func, dest, src, shuffle);
}
static boolean get_buffer_ptr( struct aos_compilation *cp,
unsigned buf_idx,
struct x86_reg elt,
struct x86_reg ptr)
{
struct x86_reg buf = x86_make_disp(aos_get_x86( cp, 0, X86_BUFFERS ),
buf_idx * sizeof(struct aos_buffer));
struct x86_reg buf_base_ptr = x86_make_disp(buf,
Offset(struct aos_buffer, base_ptr));
struct x86_reg buf_stride = x86_make_disp(buf,
Offset(struct aos_buffer, stride));
/* Calculate pointer to current attrib:
*/
x86_mov(cp->func, ptr, buf_stride);
x86_imul(cp->func, ptr, elt);
x86_add(cp->func, ptr, buf_base_ptr);
return TRUE;
}
static boolean load_input( struct aos_compilation *cp,
unsigned idx,
struct x86_reg bufptr )
{
unsigned format = cp->vaos->base.key.element[idx].in.format;
unsigned offset = cp->vaos->base.key.element[idx].in.offset;
struct x86_reg dataXMM = aos_get_xmm_reg(cp);
/* Figure out source pointer address:
*/
struct x86_reg src = x86_make_disp(bufptr, offset);
aos_adopt_xmm_reg( cp,
dataXMM,
TGSI_FILE_INPUT,
idx,
TRUE );
switch (format) {
case PIPE_FORMAT_R32_FLOAT:
emit_load_R32(cp, dataXMM, src);
break;
case PIPE_FORMAT_R32G32_FLOAT:
emit_load_R32G32(cp, dataXMM, src);
break;
case PIPE_FORMAT_R32G32B32_FLOAT:
emit_load_R32G32B32(cp, dataXMM, src);
break;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
emit_load_R32G32B32A32(cp, dataXMM, src);
break;
case PIPE_FORMAT_B8G8R8A8_UNORM:
emit_load_R8G8B8A8_UNORM(cp, dataXMM, src);
emit_swizzle(cp, dataXMM, dataXMM, SHUF(Z,Y,X,W));
break;
case PIPE_FORMAT_R8G8B8A8_UNORM:
emit_load_R8G8B8A8_UNORM(cp, dataXMM, src);
break;
default:
ERROR(cp, "unhandled input format");
return FALSE;
}
return TRUE;
}
static boolean load_inputs( struct aos_compilation *cp,
unsigned buffer,
struct x86_reg ptr )
{
unsigned i;
for (i = 0; i < cp->vaos->base.key.nr_inputs; i++) {
if (cp->vaos->base.key.element[i].in.buffer == buffer) {
if (!load_input( cp, i, ptr ))
return FALSE;
cp->insn_counter++;
}
}
return TRUE;
}
boolean aos_init_inputs( struct aos_compilation *cp, boolean linear )
{
if (linear && cp->vaos->nr_vb == 1) {
struct x86_reg elt = cp->idx_EBX;
struct x86_reg ptr = cp->tmp_EAX;
if (!get_buffer_ptr( cp, 0, elt, ptr ))
return FALSE;
/* In the linear, single buffer case, keep the buffer pointer
* instead of the index number.
*/
x86_mov( cp->func, elt, ptr );
}
return TRUE;
}
boolean aos_fetch_inputs( struct aos_compilation *cp, boolean linear )
{
if (linear && cp->vaos->nr_vb == 1) {
load_inputs( cp, 0, cp->idx_EBX );
}
else {
struct x86_reg elt = linear ? cp->idx_EBX : x86_deref(cp->idx_EBX);
unsigned j;
for (j = 0; j < cp->vaos->nr_vb; j++) {
struct x86_reg ptr = cp->tmp_EAX;
if (!get_buffer_ptr( cp, j, elt, ptr ))
return FALSE;
cp->insn_counter++;
if (!load_inputs( cp, j, ptr ))
return FALSE;
}
}
return TRUE;
}
boolean aos_incr_inputs( struct aos_compilation *cp, boolean linear )
{
if (linear && cp->vaos->nr_vb == 1) {
struct x86_reg stride = x86_make_disp(aos_get_x86( cp, 0, X86_BUFFERS ),
(0 * sizeof(struct aos_buffer) +
Offset(struct aos_buffer, stride)));
x86_add(cp->func, cp->idx_EBX, stride);
}
else if (linear) {
x86_inc(cp->func, cp->idx_EBX);
}
else {
x86_lea(cp->func, cp->idx_EBX, x86_make_disp(cp->idx_EBX, 4));
}
}
static void emit_store_R32G32B32A32( struct aos_compilation *cp,
struct x86_reg dst_ptr,
struct x86_reg dataXMM )
{
sse_movups(cp->func, dst_ptr, dataXMM);
}
static void emit_store_R32G32B32( struct aos_compilation *cp,
struct x86_reg dst_ptr,
struct x86_reg dataXMM )
{
sse_movlps(cp->func, dst_ptr, dataXMM);
sse_shufps(cp->func, dataXMM, dataXMM, SHUF(Z,Z,Z,Z) ); /* NOTE! destructive */
sse_movss(cp->func, x86_make_disp(dst_ptr,8), dataXMM);
}
static void emit_store_R32G32( struct aos_compilation *cp,
struct x86_reg dst_ptr,
struct x86_reg dataXMM )
{
sse_movlps(cp->func, dst_ptr, dataXMM);
}
static void emit_store_R32( struct aos_compilation *cp,
struct x86_reg dst_ptr,
struct x86_reg dataXMM )
{
sse_movss(cp->func, dst_ptr, dataXMM);
}
static void emit_store_R8G8B8A8_UNORM( struct aos_compilation *cp,
struct x86_reg dst_ptr,
struct x86_reg dataXMM )
{
sse_mulps(cp->func, dataXMM, aos_get_internal(cp, IMM_255));
sse2_cvtps2dq(cp->func, dataXMM, dataXMM);
sse2_packssdw(cp->func, dataXMM, dataXMM);
sse2_packuswb(cp->func, dataXMM, dataXMM);
sse_movss(cp->func, dst_ptr, dataXMM);
}
static boolean emit_output( struct aos_compilation *cp,
struct x86_reg ptr,
struct x86_reg dataXMM,
unsigned format )
{
switch (format) {
case EMIT_1F:
case EMIT_1F_PSIZE:
emit_store_R32(cp, ptr, dataXMM);
break;
case EMIT_2F:
emit_store_R32G32(cp, ptr, dataXMM);
break;
case EMIT_3F:
emit_store_R32G32B32(cp, ptr, dataXMM);
break;
case EMIT_4F:
emit_store_R32G32B32A32(cp, ptr, dataXMM);
break;
case EMIT_4UB:
if (1) {
emit_swizzle(cp, dataXMM, dataXMM, SHUF(Z,Y,X,W));
emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
}
else {
emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
}
break;
default:
ERROR(cp, "unhandled output format");
return FALSE;
}
return TRUE;
}
boolean aos_emit_outputs( struct aos_compilation *cp )
{
unsigned i;
for (i = 0; i < cp->vaos->base.key.nr_outputs; i++) {
unsigned format = cp->vaos->base.key.element[i].out.format;
unsigned offset = cp->vaos->base.key.element[i].out.offset;
unsigned vs_output = cp->vaos->base.key.element[i].out.vs_output;
struct x86_reg data;
if (format == EMIT_1F_PSIZE) {
data = aos_get_internal_xmm( cp, IMM_PSIZE );
}
else {
data = aos_get_shader_reg( cp,
TGSI_FILE_OUTPUT,
vs_output );
}
if (data.file != file_XMM) {
struct x86_reg tmp = aos_get_xmm_reg( cp );
sse_movups(cp->func, tmp, data);
data = tmp;
}
if (!emit_output( cp,
x86_make_disp( cp->outbuf_ECX, offset ),
data,
format ))
return FALSE;
aos_release_xmm_reg( cp, data.idx );
cp->insn_counter++;
}
return TRUE;
}
#endif
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