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llvmpipe: Addi ssse3 swizzling for B8G8R8A8_UNORM.

This commit is contained in:
Chris Li 2010-07-14 14:19:11 +01:00 committed by José Fonseca
parent c6c62164c3
commit bed78862d4
3 changed files with 231 additions and 3 deletions
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10
src/gallium/drivers/llvmpipe/SConscript
View File

@ -23,6 +23,14 @@ env.Depends('lp_tile_soa.c', [
'#src/gallium/auxiliary/util/u_format_pack.py',
])
# Only enable SSSE3 for lp_tile_soa_sse3.c
ssse3_env = env.Clone()
if env['gcc'] and env['machine'] in ('x86', 'x86_64'):
ssse3_env.Append(CCFLAGS = ['-mssse3'])
lp_tile_soa_os = ssse3_env.SharedObject('lp_tile_soa.c')
llvmpipe = env.ConvenienceLibrary(
target = 'llvmpipe',
source = [
@ -66,7 +74,7 @@ llvmpipe = env.ConvenienceLibrary(
'lp_tex_sample.c',
'lp_texture.c',
'lp_tile_image.c',
'lp_tile_soa.c',
lp_tile_soa_os,
])

32
src/gallium/drivers/llvmpipe/lp_tile_shuffle_mask.py Normal file
View File

@ -0,0 +1,32 @@
tile = [[0,1,4,5],
[2,3,6,7],
[8,9,12,13],
[10,11,14,15]]
shift = 0
align = 1
value = 0L
holder = []
import sys
basemask = [0x
fd = sys.stdout
indent = " "*9
for c in range(4):
fd.write(indent + "*pdst++ = \n");
for l,line in enumerate(tile):
fd.write(indent + " %s_mm_shuffle_epi8(line%d, (__m128i){"%(l and '+' or ' ',l))
for i,pos in enumerate(line):
mask = 0x00ffffffff & (~(0xffL << shift))
value = mask | ((pos) << shift)
holder.append(value)
if holder and (i + 1) %2 == 0:
fd.write("0x%8.0x"%(holder[0] + (holder[1] << 32)))
holder = []
if (i) %4 == 1:
fd.write( ',')
fd.write("})%s\n"%((l == 3) and ';' or ''))
print
shift += 8

192
src/gallium/drivers/llvmpipe/lp_tile_soa.py
View File

@ -289,6 +289,175 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix):
print
def generate_ssse3():
print '''
#ifdef PIPE_ARCH_SSSE3
#include <tmmintrin.h>
static void
lp_tile_b8g8r8a8_unorm_swizzle_4ub_ssse3(uint8_t *dst,
const uint8_t *src, unsigned src_stride,
unsigned x0, unsigned y0)
{
unsigned x, y;
__m128i *pdst = (__m128i*) dst;
const uint8_t *ysrc0 = src + y0*src_stride + x0*sizeof(uint32_t);
unsigned int tile_stridex = src_stride*(TILE_VECTOR_HEIGHT - 1) - sizeof(uint32_t)*TILE_VECTOR_WIDTH;
unsigned int tile_stridey = src_stride*TILE_VECTOR_HEIGHT;
const __m128i shuffle00 = _mm_setr_epi8(0x02,0x06,0xff,0xff,0x0a,0x0e,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle01 = _mm_setr_epi8(0x01,0x05,0xff,0xff,0x09,0x0d,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle02 = _mm_setr_epi8(0x00,0x04,0xff,0xff,0x08,0x0c,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle03 = _mm_setr_epi8(0x03,0x07,0xff,0xff,0x0b,0x0f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle10 = _mm_setr_epi8(0xff,0xff,0x02,0x06,0xff,0xff,0x0a,0x0e,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle11 = _mm_setr_epi8(0xff,0xff,0x01,0x05,0xff,0xff,0x09,0x0d,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle12 = _mm_setr_epi8(0xff,0xff,0x00,0x04,0xff,0xff,0x08,0x0c,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle13 = _mm_setr_epi8(0xff,0xff,0x03,0x07,0xff,0xff,0x0b,0x0f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
const __m128i shuffle20 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x02,0x06,0xff,0xff,0x0a,0x0e,0xff,0xff);
const __m128i shuffle21 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x01,0x05,0xff,0xff,0x09,0x0d,0xff,0xff);
const __m128i shuffle22 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x04,0xff,0xff,0x08,0x0c,0xff,0xff);
const __m128i shuffle23 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x03,0x07,0xff,0xff,0x0b,0x0f,0xff,0xff);
const __m128i shuffle30 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x02,0x06,0xff,0xff,0x0a,0x0e);
const __m128i shuffle31 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x01,0x05,0xff,0xff,0x09,0x0d);
const __m128i shuffle32 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x04,0xff,0xff,0x08,0x0c);
const __m128i shuffle33 = _mm_setr_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x03,0x07,0xff,0xff,0x0b,0x0f);
for (y = 0; y < TILE_SIZE; y += TILE_VECTOR_HEIGHT) {
__m128i line0 = *(__m128i*)ysrc0;
const uint8_t *ysrc = ysrc0 + src_stride;
ysrc0 += tile_stridey;
for (x = 0; x < TILE_SIZE; x += TILE_VECTOR_WIDTH) {
__m128i r, g, b, a, line1;
line1 = *(__m128i*)ysrc;
PIPE_READ_WRITE_BARRIER();
ysrc += src_stride;
r = _mm_shuffle_epi8(line0, shuffle00);
g = _mm_shuffle_epi8(line0, shuffle01);
b = _mm_shuffle_epi8(line0, shuffle02);
a = _mm_shuffle_epi8(line0, shuffle03);
line0 = *(__m128i*)ysrc;
PIPE_READ_WRITE_BARRIER();
ysrc += src_stride;
r = _mm_or_si128(r, _mm_shuffle_epi8(line1, shuffle10));
g = _mm_or_si128(g, _mm_shuffle_epi8(line1, shuffle11));
b = _mm_or_si128(b, _mm_shuffle_epi8(line1, shuffle12));
a = _mm_or_si128(a, _mm_shuffle_epi8(line1, shuffle13));
line1 = *(__m128i*)ysrc;
PIPE_READ_WRITE_BARRIER();
ysrc -= tile_stridex;
r = _mm_or_si128(r, _mm_shuffle_epi8(line0, shuffle20));
g = _mm_or_si128(g, _mm_shuffle_epi8(line0, shuffle21));
b = _mm_or_si128(b, _mm_shuffle_epi8(line0, shuffle22));
a = _mm_or_si128(a, _mm_shuffle_epi8(line0, shuffle23));
if (x + 1 < TILE_SIZE) {
line0 = *(__m128i*)ysrc;
ysrc += src_stride;
}
PIPE_READ_WRITE_BARRIER();
r = _mm_or_si128(r, _mm_shuffle_epi8(line1, shuffle30));
g = _mm_or_si128(g, _mm_shuffle_epi8(line1, shuffle31));
b = _mm_or_si128(b, _mm_shuffle_epi8(line1, shuffle32));
a = _mm_or_si128(a, _mm_shuffle_epi8(line1, shuffle33));
*pdst++ = r;
*pdst++ = g;
*pdst++ = b;
*pdst++ = a;
}
}
}
static void
lp_tile_b8g8r8a8_unorm_unswizzle_4ub_ssse3(const uint8_t *src,
uint8_t *dst, unsigned dst_stride,
unsigned x0, unsigned y0)
{
unsigned int x, y;
const __m128i *psrc = (__m128i*) src;
const __m128i *end = (__m128i*) (src + (y0 + TILE_SIZE - 1)*dst_stride + (x0 + TILE_SIZE - 1)*sizeof(uint32_t));
uint8_t *pdst = dst + y0 * dst_stride + x0 * sizeof(uint32_t);
__m128i c0 = *psrc++;
__m128i c1;
const __m128i shuffle00 = _mm_setr_epi8(0xff,0xff,0x00,0xff,0xff,0xff,0x01,0xff,0xff,0xff,0x04,0xff,0xff,0xff,0x05,0xff);
const __m128i shuffle01 = _mm_setr_epi8(0xff,0xff,0x02,0xff,0xff,0xff,0x03,0xff,0xff,0xff,0x06,0xff,0xff,0xff,0x07,0xff);
const __m128i shuffle02 = _mm_setr_epi8(0xff,0xff,0x08,0xff,0xff,0xff,0x09,0xff,0xff,0xff,0x0c,0xff,0xff,0xff,0x0d,0xff);
const __m128i shuffle03 = _mm_setr_epi8(0xff,0xff,0x0a,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0x0e,0xff,0xff,0xff,0x0f,0xff);
const __m128i shuffle10 = _mm_setr_epi8(0xff,0x00,0xff,0xff,0xff,0x01,0xff,0xff,0xff,0x04,0xff,0xff,0xff,0x05,0xff,0xff);
const __m128i shuffle11 = _mm_setr_epi8(0xff,0x02,0xff,0xff,0xff,0x03,0xff,0xff,0xff,0x06,0xff,0xff,0xff,0x07,0xff,0xff);
const __m128i shuffle12 = _mm_setr_epi8(0xff,0x08,0xff,0xff,0xff,0x09,0xff,0xff,0xff,0x0c,0xff,0xff,0xff,0x0d,0xff,0xff);
const __m128i shuffle13 = _mm_setr_epi8(0xff,0x0a,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0x0e,0xff,0xff,0xff,0x0f,0xff,0xff);
const __m128i shuffle20 = _mm_setr_epi8(0x00,0xff,0xff,0xff,0x01,0xff,0xff,0xff,0x04,0xff,0xff,0xff,0x05,0xff,0xff,0xff);
const __m128i shuffle21 = _mm_setr_epi8(0x02,0xff,0xff,0xff,0x03,0xff,0xff,0xff,0x06,0xff,0xff,0xff,0x07,0xff,0xff,0xff);
const __m128i shuffle22 = _mm_setr_epi8(0x08,0xff,0xff,0xff,0x09,0xff,0xff,0xff,0x0c,0xff,0xff,0xff,0x0d,0xff,0xff,0xff);
const __m128i shuffle23 = _mm_setr_epi8(0x0a,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0x0e,0xff,0xff,0xff,0x0f,0xff,0xff,0xff);
const __m128i shuffle30 = _mm_setr_epi8(0xff,0xff,0xff,0x00,0xff,0xff,0xff,0x01,0xff,0xff,0xff,0x04,0xff,0xff,0xff,0x05);
const __m128i shuffle31 = _mm_setr_epi8(0xff,0xff,0xff,0x02,0xff,0xff,0xff,0x03,0xff,0xff,0xff,0x06,0xff,0xff,0xff,0x07);
const __m128i shuffle32 = _mm_setr_epi8(0xff,0xff,0xff,0x08,0xff,0xff,0xff,0x09,0xff,0xff,0xff,0x0c,0xff,0xff,0xff,0x0d);
const __m128i shuffle33 = _mm_setr_epi8(0xff,0xff,0xff,0x0a,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0x0e,0xff,0xff,0xff,0x0f);
for (y = 0; y < TILE_SIZE; y += TILE_VECTOR_HEIGHT) {
__m128i *tile = (__m128i*) pdst;
pdst += dst_stride * TILE_VECTOR_HEIGHT;
for (x = 0; x < TILE_SIZE; x += TILE_VECTOR_WIDTH) {
uint8_t *linep = (uint8_t*) (tile++);
__m128i line0, line1, line2, line3;
c1 = *psrc++; /* r */
PIPE_READ_WRITE_BARRIER();
line0 = _mm_shuffle_epi8(c0, shuffle00);
line1 = _mm_shuffle_epi8(c0, shuffle01);
line2 = _mm_shuffle_epi8(c0, shuffle02);
line3 = _mm_shuffle_epi8(c0, shuffle03);
c0 = *psrc++; /* g */
PIPE_READ_WRITE_BARRIER();
line0 = _mm_or_si128(line0, _mm_shuffle_epi8(c1, shuffle10));
line1 = _mm_or_si128(line1, _mm_shuffle_epi8(c1, shuffle11));
line2 = _mm_or_si128(line2, _mm_shuffle_epi8(c1, shuffle12));
line3 = _mm_or_si128(line3, _mm_shuffle_epi8(c1, shuffle13));
c1 = *psrc++; /* b */
PIPE_READ_WRITE_BARRIER();
line0 = _mm_or_si128(line0, _mm_shuffle_epi8(c0, shuffle20));
line1 = _mm_or_si128(line1, _mm_shuffle_epi8(c0, shuffle21));
line2 = _mm_or_si128(line2, _mm_shuffle_epi8(c0, shuffle22));
line3 = _mm_or_si128(line3, _mm_shuffle_epi8(c0, shuffle23));
if (psrc != end)
c0 = *psrc++; /* a */
PIPE_READ_WRITE_BARRIER();
line0 = _mm_or_si128(line0, _mm_shuffle_epi8(c1, shuffle30));
line1 = _mm_or_si128(line1, _mm_shuffle_epi8(c1, shuffle31));
line2 = _mm_or_si128(line2, _mm_shuffle_epi8(c1, shuffle32));
line3 = _mm_or_si128(line3, _mm_shuffle_epi8(c1, shuffle33));
*(__m128i*) (linep) = line0;
*(__m128i*) (((char*)linep) + dst_stride) = line1;
*(__m128i*) (((char*)linep) + 2 * dst_stride) = line2;
*(__m128i*) (((char*)linep) + 3 * dst_stride) = line3;
}
}
}
#endif /* PIPE_ARCH_SSSE3 */
'''
def generate_swizzle(formats, dst_channel, dst_native_type, dst_suffix):
'''Generate the dispatch function to read pixels from any format'''
@ -307,7 +476,15 @@ def generate_swizzle(formats, dst_channel, dst_native_type, dst_suffix):
for format in formats:
if is_format_supported(format):
print ' case %s:' % format.name
print ' func = &lp_tile_%s_swizzle_%s;' % (format.short_name(), dst_suffix)
func_name = 'lp_tile_%s_swizzle_%s' % (format.short_name(), dst_suffix)
if format.name == 'PIPE_FORMAT_B8G8R8A8_UNORM':
print '#ifdef PIPE_ARCH_SSSE3'
print ' func = util_cpu_caps.has_ssse3 ? %s_ssse3 : %s;' % (func_name, func_name)
print '#else'
print ' func = %s;' % (func_name,)
print '#endif'
else:
print ' func = %s;' % (func_name,)
print ' break;'
print ' default:'
print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));'
@ -337,7 +514,15 @@ def generate_unswizzle(formats, src_channel, src_native_type, src_suffix):
for format in formats:
if is_format_supported(format):
print ' case %s:' % format.name
print ' func = &lp_tile_%s_unswizzle_%s;' % (format.short_name(), src_suffix)
func_name = 'lp_tile_%s_unswizzle_%s' % (format.short_name(), src_suffix)
if format.name == 'PIPE_FORMAT_B8G8R8A8_UNORM':
print '#ifdef PIPE_ARCH_SSSE3'
print ' func = util_cpu_caps.has_ssse3 ? %s_ssse3 : %s;' % (func_name, func_name)
print '#else'
print ' func = %s;' % (func_name,)
print '#endif'
else:
print ' func = %s;' % (func_name,)
print ' break;'
print ' default:'
print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));'
@ -362,6 +547,7 @@ def main():
print '#include "util/u_format.h"'
print '#include "util/u_math.h"'
print '#include "util/u_half.h"'
print '#include "util/u_cpu_detect.h"'
print '#include "lp_tile_soa.h"'
print
print '#ifdef DEBUG'
@ -391,6 +577,8 @@ def main():
print '};'
print
generate_ssse3()
channel = Channel(UNSIGNED, True, 8)
native_type = 'uint8_t'
suffix = '4ub'