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llvmpipe: Replace tile_read/write with more descriptive swizzle/unswizzle verbs.

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This commit is contained in:
José Fonseca 2010-04-25 14:53:40 +01:00
parent adc7cd6240
commit 23df86d851
4 changed files with 36 additions and 24 deletions
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6
src/gallium/drivers/llvmpipe/lp_rast.c
View file

@ -121,9 +121,11 @@ lp_rast_end( struct lp_rasterizer *rast )
rast->curr_scene = NULL;
#ifdef DEBUG
if (0)
debug_printf("Post render scene: tile read: %d tile write: %d\n",
tile_read_count, tile_write_count);
debug_printf("Post render scene: tile unswizzle: %u tile swizzle: %u\n",
lp_tile_unswizzle_count, lp_tile_swizzle_count);
#endif
}

4
src/gallium/drivers/llvmpipe/lp_tile_image.c
View file

@ -201,7 +201,7 @@ lp_tiled_to_linear(const void *src, void *dst,
uint byte_offset = tile_offset * bytes_per_tile;
const uint8_t *src_tile = (uint8_t *) src + byte_offset;
lp_tile_write_4ub(format,
lp_tile_unswizzle_4ub(format,
src_tile,
dst, dst_stride,
ii, jj, tile_w, tile_h);
@ -290,7 +290,7 @@ lp_linear_to_tiled(const void *src, void *dst,
uint byte_offset = tile_offset * bytes_per_tile;
uint8_t *dst_tile = (uint8_t *) dst + byte_offset;
lp_tile_read_4ub(format,
lp_tile_swizzle_4ub(format,
dst_tile,
src, src_stride,
ii, jj, tile_w, tile_h);

9
src/gallium/drivers/llvmpipe/lp_tile_soa.h
View file

@ -51,7 +51,10 @@ tile_offset[TILE_VECTOR_HEIGHT][TILE_VECTOR_WIDTH];
#define TILE_Y_STRIDE (TILE_VECTOR_HEIGHT * TILE_SIZE * NUM_CHANNELS) //1024
extern int tile_write_count, tile_read_count;
#ifdef DEBUG
extern unsigned lp_tile_unswizzle_count;
extern unsigned lp_tile_swizzle_count;
#endif
/**
@ -73,14 +76,14 @@ tile_pixel_offset(unsigned x, unsigned y, unsigned c)
void
lp_tile_read_4ub(enum pipe_format format,
lp_tile_swizzle_4ub(enum pipe_format format,
uint8_t *dst,
const void *src, unsigned src_stride,
unsigned x, unsigned y, unsigned w, unsigned h);
void
lp_tile_write_4ub(enum pipe_format format,
lp_tile_unswizzle_4ub(enum pipe_format format,
const uint8_t *src,
void *dst, unsigned dst_stride,
unsigned x, unsigned y, unsigned w, unsigned h);

41
src/gallium/drivers/llvmpipe/lp_tile_soa.py
View file

@ -75,7 +75,7 @@ def generate_format_read(format, dst_channel, dst_native_type, dst_suffix):
src_native_type = native_type(format)
print 'static void'
print 'lp_tile_%s_read_%s(%s *dst, const uint8_t *src, unsigned src_stride, unsigned x0, unsigned y0, unsigned w, unsigned h)' % (name, dst_suffix, dst_native_type)
print 'lp_tile_%s_swizzle_%s(%s *dst, const uint8_t *src, unsigned src_stride, unsigned x0, unsigned y0, unsigned w, unsigned h)' % (name, dst_suffix, dst_native_type)
print '{'
print ' unsigned x, y;'
print ' const uint8_t *src_row = src + y0*src_stride;'
@ -193,7 +193,7 @@ def pack_rgba(format, src_channel, r, g, b, a):
return expr
def emit_unrolled_write_code(format, src_channel):
def emit_unrolled_unswizzle_code(format, src_channel):
'''Emit code for writing a block based on unrolled loops.
This is considerably faster than the TILE_PIXEL-based code below.
'''
@ -223,7 +223,7 @@ def emit_unrolled_write_code(format, src_channel):
print ' }'
def emit_tile_pixel_write_code(format, src_channel):
def emit_tile_pixel_unswizzle_code(format, src_channel):
'''Emit code for writing a block based on the TILE_PIXEL macro.'''
dst_native_type = native_type(format)
@ -273,7 +273,7 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix):
name = format.short_name()
print 'static void'
print 'lp_tile_%s_write_%s(const %s *src, uint8_t *dst, unsigned dst_stride, unsigned x0, unsigned y0, unsigned w, unsigned h)' % (name, src_suffix, src_native_type)
print 'lp_tile_%s_unswizzle_%s(const %s *src, uint8_t *dst, unsigned dst_stride, unsigned x0, unsigned y0, unsigned w, unsigned h)' % (name, src_suffix, src_native_type)
print '{'
if format.layout == PLAIN \
and format.colorspace == 'rgb' \
@ -282,14 +282,14 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix):
and not format.is_mixed() \
and (format.channels[0].type == UNSIGNED \
or format.channels[1].type == UNSIGNED):
emit_unrolled_write_code(format, src_channel)
emit_unrolled_unswizzle_code(format, src_channel)
else:
emit_tile_pixel_write_code(format, src_channel)
emit_tile_pixel_unswizzle_code(format, src_channel)
print '}'
print
def generate_read(formats, dst_channel, dst_native_type, dst_suffix):
def generate_swizzle(formats, dst_channel, dst_native_type, dst_suffix):
'''Generate the dispatch function to read pixels from any format'''
for format in formats:
@ -297,15 +297,17 @@ def generate_read(formats, dst_channel, dst_native_type, dst_suffix):
generate_format_read(format, dst_channel, dst_native_type, dst_suffix)
print 'void'
print 'lp_tile_read_%s(enum pipe_format format, %s *dst, const void *src, unsigned src_stride, unsigned x, unsigned y, unsigned w, unsigned h)' % (dst_suffix, dst_native_type)
print 'lp_tile_swizzle_%s(enum pipe_format format, %s *dst, const void *src, unsigned src_stride, unsigned x, unsigned y, unsigned w, unsigned h)' % (dst_suffix, dst_native_type)
print '{'
print ' void (*func)(%s *dst, const uint8_t *src, unsigned src_stride, unsigned x0, unsigned y0, unsigned w, unsigned h);' % dst_native_type
print ' tile_read_count += 1;'
print '#ifdef DEBUG'
print ' lp_tile_swizzle_count += 1;'
print '#endif'
print ' switch(format) {'
for format in formats:
if is_format_supported(format):
print ' case %s:' % format.name
print ' func = &lp_tile_%s_read_%s;' % (format.short_name(), dst_suffix)
print ' func = &lp_tile_%s_swizzle_%s;' % (format.short_name(), dst_suffix)
print ' break;'
print ' default:'
print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));'
@ -316,7 +318,7 @@ def generate_read(formats, dst_channel, dst_native_type, dst_suffix):
print
def generate_write(formats, src_channel, src_native_type, src_suffix):
def generate_unswizzle(formats, src_channel, src_native_type, src_suffix):
'''Generate the dispatch function to write pixels to any format'''
for format in formats:
@ -324,16 +326,18 @@ def generate_write(formats, src_channel, src_native_type, src_suffix):
generate_format_write(format, src_channel, src_native_type, src_suffix)
print 'void'
print 'lp_tile_write_%s(enum pipe_format format, const %s *src, void *dst, unsigned dst_stride, unsigned x, unsigned y, unsigned w, unsigned h)' % (src_suffix, src_native_type)
print 'lp_tile_unswizzle_%s(enum pipe_format format, const %s *src, void *dst, unsigned dst_stride, unsigned x, unsigned y, unsigned w, unsigned h)' % (src_suffix, src_native_type)
print '{'
print ' void (*func)(const %s *src, uint8_t *dst, unsigned dst_stride, unsigned x0, unsigned y0, unsigned w, unsigned h);' % src_native_type
print ' tile_write_count += 1;'
print '#ifdef DEBUG'
print ' lp_tile_unswizzle_count += 1;'
print '#endif'
print ' switch(format) {'
for format in formats:
if is_format_supported(format):
print ' case %s:' % format.name
print ' func = &lp_tile_%s_write_%s;' % (format.short_name(), src_suffix)
print ' func = &lp_tile_%s_unswizzle_%s;' % (format.short_name(), src_suffix)
print ' break;'
print ' default:'
print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));'
@ -360,7 +364,10 @@ def main():
print '#include "util/u_half.h"'
print '#include "lp_tile_soa.h"'
print
print 'int tile_write_count=0, tile_read_count=0;'
print '#ifdef DEBUG'
print 'unsigned lp_tile_unswizzle_count = 0;'
print 'unsigned lp_tile_swizzle_count = 0;'
print '#endif'
print
print 'const unsigned char'
print 'tile_offset[TILE_VECTOR_HEIGHT][TILE_VECTOR_WIDTH] = {'
@ -388,8 +395,8 @@ def main():
native_type = 'uint8_t'
suffix = '4ub'
generate_read(formats, channel, native_type, suffix)
generate_write(formats, channel, native_type, suffix)
generate_swizzle(formats, channel, native_type, suffix)
generate_unswizzle(formats, channel, native_type, suffix)
if __name__ == '__main__':