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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.
*
**************************************************************************/
/*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include <spu_mfcio.h>
#include <transpose_matrix4x4.h>
#include "pipe/p_util.h"
#include "pipe/p_state.h"
#include "pipe/p_shader_tokens.h"
#include "spu_exec.h"
#include "spu_vertex_shader.h"
#include "spu_main.h"
#define CACHE_NAME attribute
#define CACHED_TYPE qword
#define CACHE_TYPE CACHE_TYPE_RO
#define CACHE_SET_TAGID(set) TAG_VERTEX_BUFFER
#define CACHE_LOG2NNWAY 2
#define CACHE_LOG2NSETS 6
#include <cache-api.h>
/* Yes folks, this is ugly.
*/
#undef CACHE_NWAY
#undef CACHE_NSETS
#define CACHE_NAME attribute
#define CACHE_NWAY 4
#define CACHE_NSETS (1U << 6)
#define DRAW_DBG 0
static const vec_float4 defaults = { 0.0, 0.0, 0.0, 1.0 };
/**
* Fetch between 1 and 32 bytes from an unaligned address
*/
static INLINE void
fetch_unaligned(qword *dst, unsigned ea, unsigned size)
{
qword tmp[4];
const int shift = ea & 0x0f;
const unsigned aligned_start_ea = ea & ~0x0f;
const unsigned aligned_end_ea = (ea + size) & ~0x0f;
const unsigned num_entries = ((aligned_end_ea - aligned_start_ea) / 16) + 1;
unsigned i;
if (shift == 0) {
/* Data is already aligned. Fetch directly into the destination buffer.
*/
for (i = 0; i < num_entries; i++) {
dst[i] = cache_rd(attribute, (ea & ~0x0f) + (i * 16));
}
} else {
/* Fetch data from the cache to the local buffer.
*/
for (i = 0; i < num_entries; i++) {
tmp[i] = cache_rd(attribute, (ea & ~0x0f) + (i * 16));
}
/* Fix the alignment of the data and write to the destination buffer.
*/
for (i = 0; i < ((size + 15) / 16); i++) {
dst[i] = si_or((qword) spu_slqwbyte(tmp[i], shift),
(qword) spu_rlmaskqwbyte(tmp[i + 1], shift - 16));
}
}
}
#define CVT_32_FLOAT(q) (*(q))
static INLINE qword
CVT_64_FLOAT(const qword *qw)
{
qword shuf_first = (qword) {
0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
};
qword a = si_frds(qw[0]);
qword b = si_frds(si_rotqbyi(qw[0], 8));
qword c = si_frds(qw[1]);
qword d = si_frds(si_rotqbyi(qw[1], 8));
qword ab = si_shufb(a, b, shuf_first);
qword cd = si_shufb(c, d, si_rotqbyi(shuf_first, 8));
return si_or(ab, cd);
}
static INLINE qword
CVT_8_USCALED(const qword *qw)
{
qword shuffle = (qword) {
0x00, 0x80, 0x80, 0x80, 0x01, 0x80, 0x80, 0x80,
0x02, 0x80, 0x80, 0x80, 0x03, 0x80, 0x80, 0x80,
};
return si_cuflt(si_shufb(*qw, *qw, shuffle), 0);
}
static INLINE qword
CVT_16_USCALED(const qword *qw)
{
qword shuffle = (qword) {
0x00, 0x01, 0x80, 0x80, 0x02, 0x03, 0x80, 0x80,
0x04, 0x05, 0x80, 0x80, 0x06, 0x07, 0x80, 0x80,
};
return si_cuflt(si_shufb(*qw, *qw, shuffle), 0);
}
static INLINE qword
CVT_32_USCALED(const qword *qw)
{
return si_cuflt(*qw, 0);
}
static INLINE qword
CVT_8_SSCALED(const qword *qw)
{
qword shuffle = (qword) {
0x00, 0x80, 0x80, 0x80, 0x01, 0x80, 0x80, 0x80,
0x02, 0x80, 0x80, 0x80, 0x03, 0x80, 0x80, 0x80,
};
return si_csflt(si_shufb(*qw, *qw, shuffle), 0);
}
static INLINE qword
CVT_16_SSCALED(const qword *qw)
{
qword shuffle = (qword) {
0x00, 0x01, 0x80, 0x80, 0x02, 0x03, 0x80, 0x80,
0x04, 0x05, 0x80, 0x80, 0x06, 0x07, 0x80, 0x80,
};
return si_csflt(si_shufb(*qw, *qw, shuffle), 0);
}
static INLINE qword
CVT_32_SSCALED(const qword *qw)
{
return si_csflt(*qw, 0);
}
static INLINE qword
CVT_8_UNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 255.0f);
return si_fm(CVT_8_USCALED(qw), scale);
}
static INLINE qword
CVT_16_UNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 65535.0f);
return si_fm(CVT_16_USCALED(qw), scale);
}
static INLINE qword
CVT_32_UNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 4294967295.0f);
return si_fm(CVT_32_USCALED(qw), scale);
}
static INLINE qword
CVT_8_SNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 127.0f);
return si_fm(CVT_8_SSCALED(qw), scale);
}
static INLINE qword
CVT_16_SNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 32767.0f);
return si_fm(CVT_16_SSCALED(qw), scale);
}
static INLINE qword
CVT_32_SNORM(const qword *qw)
{
const qword scale = (qword) spu_splats(1.0f / 2147483647.0f);
return si_fm(CVT_32_SSCALED(qw), scale);
}
#define SZ_4 si_il(0U)
#define SZ_3 si_rotqmbyi(si_il(~0), -12)
#define SZ_2 si_rotqmbyi(si_il(~0), -8)
#define SZ_1 si_rotqmbyi(si_il(~0), -4)
/**
* Fetch a float[4] vertex attribute from memory, doing format/type
* conversion as needed.
*
* This is probably needed/dupliocated elsewhere, eg format
* conversion, texture sampling etc.
*/
#define FETCH_ATTRIB( NAME, SZ, CVT, N ) \
static void \
fetch_##NAME(qword *out, const qword *in) \
{ \
qword tmp[4]; \
\
tmp[0] = si_selb(CVT(in + (0 * N)), (qword) defaults, SZ); \
tmp[1] = si_selb(CVT(in + (1 * N)), (qword) defaults, SZ); \
tmp[2] = si_selb(CVT(in + (2 * N)), (qword) defaults, SZ); \
tmp[3] = si_selb(CVT(in + (3 * N)), (qword) defaults, SZ); \
_transpose_matrix4x4((vec_float4 *) out, (vec_float4 *) tmp); \
}
FETCH_ATTRIB( R64G64B64A64_FLOAT, SZ_4, CVT_64_FLOAT, 2 )
FETCH_ATTRIB( R64G64B64_FLOAT, SZ_3, CVT_64_FLOAT, 2 )
FETCH_ATTRIB( R64G64_FLOAT, SZ_2, CVT_64_FLOAT, 2 )
FETCH_ATTRIB( R64_FLOAT, SZ_1, CVT_64_FLOAT, 2 )
FETCH_ATTRIB( R32G32B32A32_FLOAT, SZ_4, CVT_32_FLOAT, 1 )
FETCH_ATTRIB( R32G32B32_FLOAT, SZ_3, CVT_32_FLOAT, 1 )
FETCH_ATTRIB( R32G32_FLOAT, SZ_2, CVT_32_FLOAT, 1 )
FETCH_ATTRIB( R32_FLOAT, SZ_1, CVT_32_FLOAT, 1 )
FETCH_ATTRIB( R32G32B32A32_USCALED, SZ_4, CVT_32_USCALED, 1 )
FETCH_ATTRIB( R32G32B32_USCALED, SZ_3, CVT_32_USCALED, 1 )
FETCH_ATTRIB( R32G32_USCALED, SZ_2, CVT_32_USCALED, 1 )
FETCH_ATTRIB( R32_USCALED, SZ_1, CVT_32_USCALED, 1 )
FETCH_ATTRIB( R32G32B32A32_SSCALED, SZ_4, CVT_32_SSCALED, 1 )
FETCH_ATTRIB( R32G32B32_SSCALED, SZ_3, CVT_32_SSCALED, 1 )
FETCH_ATTRIB( R32G32_SSCALED, SZ_2, CVT_32_SSCALED, 1 )
FETCH_ATTRIB( R32_SSCALED, SZ_1, CVT_32_SSCALED, 1 )
FETCH_ATTRIB( R32G32B32A32_UNORM, SZ_4, CVT_32_UNORM, 1 )
FETCH_ATTRIB( R32G32B32_UNORM, SZ_3, CVT_32_UNORM, 1 )
FETCH_ATTRIB( R32G32_UNORM, SZ_2, CVT_32_UNORM, 1 )
FETCH_ATTRIB( R32_UNORM, SZ_1, CVT_32_UNORM, 1 )
FETCH_ATTRIB( R32G32B32A32_SNORM, SZ_4, CVT_32_SNORM, 1 )
FETCH_ATTRIB( R32G32B32_SNORM, SZ_3, CVT_32_SNORM, 1 )
FETCH_ATTRIB( R32G32_SNORM, SZ_2, CVT_32_SNORM, 1 )
FETCH_ATTRIB( R32_SNORM, SZ_1, CVT_32_SNORM, 1 )
FETCH_ATTRIB( R16G16B16A16_USCALED, SZ_4, CVT_16_USCALED, 1 )
FETCH_ATTRIB( R16G16B16_USCALED, SZ_3, CVT_16_USCALED, 1 )
FETCH_ATTRIB( R16G16_USCALED, SZ_2, CVT_16_USCALED, 1 )
FETCH_ATTRIB( R16_USCALED, SZ_1, CVT_16_USCALED, 1 )
FETCH_ATTRIB( R16G16B16A16_SSCALED, SZ_4, CVT_16_SSCALED, 1 )
FETCH_ATTRIB( R16G16B16_SSCALED, SZ_3, CVT_16_SSCALED, 1 )
FETCH_ATTRIB( R16G16_SSCALED, SZ_2, CVT_16_SSCALED, 1 )
FETCH_ATTRIB( R16_SSCALED, SZ_1, CVT_16_SSCALED, 1 )
FETCH_ATTRIB( R16G16B16A16_UNORM, SZ_4, CVT_16_UNORM, 1 )
FETCH_ATTRIB( R16G16B16_UNORM, SZ_3, CVT_16_UNORM, 1 )
FETCH_ATTRIB( R16G16_UNORM, SZ_2, CVT_16_UNORM, 1 )
FETCH_ATTRIB( R16_UNORM, SZ_1, CVT_16_UNORM, 1 )
FETCH_ATTRIB( R16G16B16A16_SNORM, SZ_4, CVT_16_SNORM, 1 )
FETCH_ATTRIB( R16G16B16_SNORM, SZ_3, CVT_16_SNORM, 1 )
FETCH_ATTRIB( R16G16_SNORM, SZ_2, CVT_16_SNORM, 1 )
FETCH_ATTRIB( R16_SNORM, SZ_1, CVT_16_SNORM, 1 )
FETCH_ATTRIB( R8G8B8A8_USCALED, SZ_4, CVT_8_USCALED, 1 )
FETCH_ATTRIB( R8G8B8_USCALED, SZ_3, CVT_8_USCALED, 1 )
FETCH_ATTRIB( R8G8_USCALED, SZ_2, CVT_8_USCALED, 1 )
FETCH_ATTRIB( R8_USCALED, SZ_1, CVT_8_USCALED, 1 )
FETCH_ATTRIB( R8G8B8A8_SSCALED, SZ_4, CVT_8_SSCALED, 1 )
FETCH_ATTRIB( R8G8B8_SSCALED, SZ_3, CVT_8_SSCALED, 1 )
FETCH_ATTRIB( R8G8_SSCALED, SZ_2, CVT_8_SSCALED, 1 )
FETCH_ATTRIB( R8_SSCALED, SZ_1, CVT_8_SSCALED, 1 )
FETCH_ATTRIB( R8G8B8A8_UNORM, SZ_4, CVT_8_UNORM, 1 )
FETCH_ATTRIB( R8G8B8_UNORM, SZ_3, CVT_8_UNORM, 1 )
FETCH_ATTRIB( R8G8_UNORM, SZ_2, CVT_8_UNORM, 1 )
FETCH_ATTRIB( R8_UNORM, SZ_1, CVT_8_UNORM, 1 )
FETCH_ATTRIB( R8G8B8A8_SNORM, SZ_4, CVT_8_SNORM, 1 )
FETCH_ATTRIB( R8G8B8_SNORM, SZ_3, CVT_8_SNORM, 1 )
FETCH_ATTRIB( R8G8_SNORM, SZ_2, CVT_8_SNORM, 1 )
FETCH_ATTRIB( R8_SNORM, SZ_1, CVT_8_SNORM, 1 )
FETCH_ATTRIB( A8R8G8B8_UNORM, SZ_4, CVT_8_UNORM, 1 )
static spu_fetch_func get_fetch_func( enum pipe_format format )
{
switch (format) {
case PIPE_FORMAT_R64_FLOAT:
return fetch_R64_FLOAT;
case PIPE_FORMAT_R64G64_FLOAT:
return fetch_R64G64_FLOAT;
case PIPE_FORMAT_R64G64B64_FLOAT:
return fetch_R64G64B64_FLOAT;
case PIPE_FORMAT_R64G64B64A64_FLOAT:
return fetch_R64G64B64A64_FLOAT;
case PIPE_FORMAT_R32_FLOAT:
return fetch_R32_FLOAT;
case PIPE_FORMAT_R32G32_FLOAT:
return fetch_R32G32_FLOAT;
case PIPE_FORMAT_R32G32B32_FLOAT:
return fetch_R32G32B32_FLOAT;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return fetch_R32G32B32A32_FLOAT;
case PIPE_FORMAT_R32_UNORM:
return fetch_R32_UNORM;
case PIPE_FORMAT_R32G32_UNORM:
return fetch_R32G32_UNORM;
case PIPE_FORMAT_R32G32B32_UNORM:
return fetch_R32G32B32_UNORM;
case PIPE_FORMAT_R32G32B32A32_UNORM:
return fetch_R32G32B32A32_UNORM;
case PIPE_FORMAT_R32_USCALED:
return fetch_R32_USCALED;
case PIPE_FORMAT_R32G32_USCALED:
return fetch_R32G32_USCALED;
case PIPE_FORMAT_R32G32B32_USCALED:
return fetch_R32G32B32_USCALED;
case PIPE_FORMAT_R32G32B32A32_USCALED:
return fetch_R32G32B32A32_USCALED;
case PIPE_FORMAT_R32_SNORM:
return fetch_R32_SNORM;
case PIPE_FORMAT_R32G32_SNORM:
return fetch_R32G32_SNORM;
case PIPE_FORMAT_R32G32B32_SNORM:
return fetch_R32G32B32_SNORM;
case PIPE_FORMAT_R32G32B32A32_SNORM:
return fetch_R32G32B32A32_SNORM;
case PIPE_FORMAT_R32_SSCALED:
return fetch_R32_SSCALED;
case PIPE_FORMAT_R32G32_SSCALED:
return fetch_R32G32_SSCALED;
case PIPE_FORMAT_R32G32B32_SSCALED:
return fetch_R32G32B32_SSCALED;
case PIPE_FORMAT_R32G32B32A32_SSCALED:
return fetch_R32G32B32A32_SSCALED;
case PIPE_FORMAT_R16_UNORM:
return fetch_R16_UNORM;
case PIPE_FORMAT_R16G16_UNORM:
return fetch_R16G16_UNORM;
case PIPE_FORMAT_R16G16B16_UNORM:
return fetch_R16G16B16_UNORM;
case PIPE_FORMAT_R16G16B16A16_UNORM:
return fetch_R16G16B16A16_UNORM;
case PIPE_FORMAT_R16_USCALED:
return fetch_R16_USCALED;
case PIPE_FORMAT_R16G16_USCALED:
return fetch_R16G16_USCALED;
case PIPE_FORMAT_R16G16B16_USCALED:
return fetch_R16G16B16_USCALED;
case PIPE_FORMAT_R16G16B16A16_USCALED:
return fetch_R16G16B16A16_USCALED;
case PIPE_FORMAT_R16_SNORM:
return fetch_R16_SNORM;
case PIPE_FORMAT_R16G16_SNORM:
return fetch_R16G16_SNORM;
case PIPE_FORMAT_R16G16B16_SNORM:
return fetch_R16G16B16_SNORM;
case PIPE_FORMAT_R16G16B16A16_SNORM:
return fetch_R16G16B16A16_SNORM;
case PIPE_FORMAT_R16_SSCALED:
return fetch_R16_SSCALED;
case PIPE_FORMAT_R16G16_SSCALED:
return fetch_R16G16_SSCALED;
case PIPE_FORMAT_R16G16B16_SSCALED:
return fetch_R16G16B16_SSCALED;
case PIPE_FORMAT_R16G16B16A16_SSCALED:
return fetch_R16G16B16A16_SSCALED;
case PIPE_FORMAT_R8_UNORM:
return fetch_R8_UNORM;
case PIPE_FORMAT_R8G8_UNORM:
return fetch_R8G8_UNORM;
case PIPE_FORMAT_R8G8B8_UNORM:
return fetch_R8G8B8_UNORM;
case PIPE_FORMAT_R8G8B8A8_UNORM:
return fetch_R8G8B8A8_UNORM;
case PIPE_FORMAT_R8_USCALED:
return fetch_R8_USCALED;
case PIPE_FORMAT_R8G8_USCALED:
return fetch_R8G8_USCALED;
case PIPE_FORMAT_R8G8B8_USCALED:
return fetch_R8G8B8_USCALED;
case PIPE_FORMAT_R8G8B8A8_USCALED:
return fetch_R8G8B8A8_USCALED;
case PIPE_FORMAT_R8_SNORM:
return fetch_R8_SNORM;
case PIPE_FORMAT_R8G8_SNORM:
return fetch_R8G8_SNORM;
case PIPE_FORMAT_R8G8B8_SNORM:
return fetch_R8G8B8_SNORM;
case PIPE_FORMAT_R8G8B8A8_SNORM:
return fetch_R8G8B8A8_SNORM;
case PIPE_FORMAT_R8_SSCALED:
return fetch_R8_SSCALED;
case PIPE_FORMAT_R8G8_SSCALED:
return fetch_R8G8_SSCALED;
case PIPE_FORMAT_R8G8B8_SSCALED:
return fetch_R8G8B8_SSCALED;
case PIPE_FORMAT_R8G8B8A8_SSCALED:
return fetch_R8G8B8A8_SSCALED;
case PIPE_FORMAT_A8R8G8B8_UNORM:
return fetch_A8R8G8B8_UNORM;
case 0:
return NULL; /* not sure why this is needed */
default:
assert(0);
return NULL;
}
}
static unsigned get_vertex_size( enum pipe_format format )
{
switch (format) {
case PIPE_FORMAT_R64_FLOAT:
return 8;
case PIPE_FORMAT_R64G64_FLOAT:
return 2 * 8;
case PIPE_FORMAT_R64G64B64_FLOAT:
return 3 * 8;
case PIPE_FORMAT_R64G64B64A64_FLOAT:
return 4 * 8;
case PIPE_FORMAT_R32_SSCALED:
case PIPE_FORMAT_R32_SNORM:
case PIPE_FORMAT_R32_USCALED:
case PIPE_FORMAT_R32_UNORM:
case PIPE_FORMAT_R32_FLOAT:
return 4;
case PIPE_FORMAT_R32G32_SSCALED:
case PIPE_FORMAT_R32G32_SNORM:
case PIPE_FORMAT_R32G32_USCALED:
case PIPE_FORMAT_R32G32_UNORM:
case PIPE_FORMAT_R32G32_FLOAT:
return 2 * 4;
case PIPE_FORMAT_R32G32B32_SSCALED:
case PIPE_FORMAT_R32G32B32_SNORM:
case PIPE_FORMAT_R32G32B32_USCALED:
case PIPE_FORMAT_R32G32B32_UNORM:
case PIPE_FORMAT_R32G32B32_FLOAT:
return 3 * 4;
case PIPE_FORMAT_R32G32B32A32_SSCALED:
case PIPE_FORMAT_R32G32B32A32_SNORM:
case PIPE_FORMAT_R32G32B32A32_USCALED:
case PIPE_FORMAT_R32G32B32A32_UNORM:
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return 4 * 4;
case PIPE_FORMAT_R16_SSCALED:
case PIPE_FORMAT_R16_SNORM:
case PIPE_FORMAT_R16_UNORM:
case PIPE_FORMAT_R16_USCALED:
return 2;
case PIPE_FORMAT_R16G16_SSCALED:
case PIPE_FORMAT_R16G16_SNORM:
case PIPE_FORMAT_R16G16_USCALED:
case PIPE_FORMAT_R16G16_UNORM:
return 2 * 2;
case PIPE_FORMAT_R16G16B16_SSCALED:
case PIPE_FORMAT_R16G16B16_SNORM:
case PIPE_FORMAT_R16G16B16_USCALED:
case PIPE_FORMAT_R16G16B16_UNORM:
return 3 * 2;
case PIPE_FORMAT_R16G16B16A16_SSCALED:
case PIPE_FORMAT_R16G16B16A16_SNORM:
case PIPE_FORMAT_R16G16B16A16_USCALED:
case PIPE_FORMAT_R16G16B16A16_UNORM:
return 4 * 2;
case PIPE_FORMAT_R8_SSCALED:
case PIPE_FORMAT_R8_SNORM:
case PIPE_FORMAT_R8_USCALED:
case PIPE_FORMAT_R8_UNORM:
return 1;
case PIPE_FORMAT_R8G8_SSCALED:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_R8G8_USCALED:
case PIPE_FORMAT_R8G8_UNORM:
return 2 * 1;
case PIPE_FORMAT_R8G8B8_SSCALED:
case PIPE_FORMAT_R8G8B8_SNORM:
case PIPE_FORMAT_R8G8B8_USCALED:
case PIPE_FORMAT_R8G8B8_UNORM:
return 3 * 1;
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SSCALED:
case PIPE_FORMAT_R8G8B8A8_SNORM:
case PIPE_FORMAT_R8G8B8A8_USCALED:
case PIPE_FORMAT_R8G8B8A8_UNORM:
return 4 * 1;
case 0:
return 0; /* not sure why this is needed */
default:
assert(0);
return 0;
}
}
/**
* Fetch vertex attributes for 'count' vertices.
*/
static void generic_vertex_fetch(struct spu_vs_context *draw,
struct spu_exec_machine *machine,
const unsigned *elts,
unsigned count)
{
unsigned nr_attrs = draw->vertex_fetch.nr_attrs;
unsigned attr;
assert(count <= 4);
#if DRAW_DBG
printf("SPU: %s count = %u, nr_attrs = %u\n",
__FUNCTION__, count, nr_attrs);
#endif
/* loop over vertex attributes (vertex shader inputs)
*/
for (attr = 0; attr < nr_attrs; attr++) {
const unsigned pitch = draw->vertex_fetch.pitch[attr];
const uint64_t src = draw->vertex_fetch.src_ptr[attr];
const spu_fetch_func fetch = draw->vertex_fetch.fetch[attr];
unsigned i;
unsigned idx;
const unsigned bytes_per_entry = draw->vertex_fetch.size[attr];
const unsigned quads_per_entry = (bytes_per_entry + 15) / 16;
qword in[2 * 4];
/* Fetch four attributes for four vertices.
*/
idx = 0;
for (i = 0; i < count; i++) {
const uint64_t addr = src + (elts[i] * pitch);
#if DRAW_DBG
printf("SPU: fetching = 0x%llx\n", addr);
#endif
fetch_unaligned(& in[idx], addr, bytes_per_entry);
idx += quads_per_entry;
}
/* Be nice and zero out any missing vertices.
*/
(void) memset(& in[idx], 0, (8 - idx) * sizeof(qword));
/* Convert all 4 vertices to vectors of float.
*/
(*fetch)(&machine->Inputs[attr].xyzw[0].q, in);
}
}
void spu_update_vertex_fetch( struct spu_vs_context *draw )
{
unsigned i;
/* Invalidate the vertex cache.
*/
for (i = 0; i < (CACHE_NWAY * CACHE_NSETS); i++) {
CACHELINE_CLEARVALID(i);
}
for (i = 0; i < draw->vertex_fetch.nr_attrs; i++) {
draw->vertex_fetch.fetch[i] =
get_fetch_func(draw->vertex_fetch.format[i]);
draw->vertex_fetch.size[i] =
get_vertex_size(draw->vertex_fetch.format[i]);
}
draw->vertex_fetch.fetch_func = generic_vertex_fetch;
}
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