diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_tile_soa.py')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tile_soa.py | 53 |
1 files changed, 43 insertions, 10 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tile_soa.py b/src/gallium/drivers/llvmpipe/lp_tile_soa.py index 00b8d4fc38..65810b6f8f 100644 --- a/src/gallium/drivers/llvmpipe/lp_tile_soa.py +++ b/src/gallium/drivers/llvmpipe/lp_tile_soa.py @@ -42,7 +42,29 @@ import os.path sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), '../../auxiliary/util')) -from u_format_access import * +from u_format_pack import * + + +def is_format_supported(format): + '''Determines whether we actually have the plumbing necessary to generate the + to read/write to/from this format.''' + + # FIXME: Ideally we would support any format combination here. + + if format.layout != PLAIN: + return False + + for i in range(4): + channel = format.channels[i] + if channel.type not in (VOID, UNSIGNED, SIGNED, FLOAT): + return False + if channel.type == FLOAT and channel.size not in (32 ,64): + return False + + if format.colorspace not in ('rgb', 'srgb'): + return False + + return True def generate_format_read(format, dst_channel, dst_native_type, dst_suffix): @@ -62,7 +84,7 @@ def generate_format_read(format, dst_channel, dst_native_type, dst_suffix): print ' for (x = 0; x < w; ++x) {' names = ['']*4 - if format.colorspace == 'rgb': + if format.colorspace in ('rgb', 'srgb'): for i in range(4): swizzle = format.swizzles[i] if swizzle < 4: @@ -95,16 +117,21 @@ def generate_format_read(format, dst_channel, dst_native_type, dst_suffix): shift += width else: for i in range(4): + if names[i]: + print ' %s %s;' % (dst_native_type, names[i]) + for i in range(4): src_channel = format.channels[i] if names[i]: value = '(*src_pixel++)' value = conversion_expr(src_channel, dst_channel, dst_native_type, value, clamp=False) - print ' %s %s = %s;' % (dst_native_type, names[i], value) + print ' %s = %s;' % (names[i], value) + elif src_channel.size: + print ' ++src_pixel;' else: assert False for i in range(4): - if format.colorspace == 'rgb': + if format.colorspace in ('rgb', 'srgb'): swizzle = format.swizzles[i] if swizzle < 4: value = names[swizzle] @@ -134,7 +161,7 @@ def pack_rgba(format, src_channel, r, g, b, a): """Return an expression for packing r, g, b, a into a pixel of the given format. Ex: '(b << 24) | (g << 16) | (r << 8) | (a << 0)' """ - assert format.colorspace == 'rgb' + assert format.colorspace in ('rgb', 'srgb') inv_swizzle = format.inv_swizzles() shift = 0 expr = None @@ -230,6 +257,8 @@ def emit_tile_pixel_write_code(format, src_channel): value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i] value = conversion_expr(src_channel, dst_channel, dst_native_type, value, clamp=False) print ' *dst_pixel++ = %s;' % value + else: + print ' ++dst_pixel;' else: assert False @@ -251,7 +280,8 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix): and format.block_size() <= 32 \ and format.is_pot() \ and not format.is_mixed() \ - and format.channels[0].type == UNSIGNED: + and (format.channels[0].type == UNSIGNED \ + or format.channels[1].type == UNSIGNED): emit_unrolled_write_code(format, src_channel) else: emit_tile_pixel_write_code(format, src_channel) @@ -270,6 +300,7 @@ def generate_read(formats, dst_channel, dst_native_type, dst_suffix): 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 '{' 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 ' switch(format) {' for format in formats: if is_format_supported(format): @@ -277,7 +308,7 @@ def generate_read(formats, dst_channel, dst_native_type, dst_suffix): print ' func = &lp_tile_%s_read_%s;' % (format.short_name(), dst_suffix) print ' break;' print ' default:' - print ' debug_printf("unsupported format\\n");' + print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));' print ' return;' print ' }' print ' func(dst, (const uint8_t *)src, src_stride, x, y, w, h);' @@ -297,6 +328,7 @@ def generate_write(formats, src_channel, src_native_type, src_suffix): 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 ' switch(format) {' for format in formats: if is_format_supported(format): @@ -304,7 +336,7 @@ def generate_write(formats, src_channel, src_native_type, src_suffix): print ' func = &lp_tile_%s_write_%s;' % (format.short_name(), src_suffix) print ' break;' print ' default:' - print ' debug_printf("unsupported format\\n");' + print ' debug_printf("%s: unsupported format %s\\n", __FUNCTION__, util_format_name(format));' print ' return;' print ' }' print ' func(src, (uint8_t *)dst, dst_stride, x, y, w, h);' @@ -325,8 +357,11 @@ def main(): print '#include "pipe/p_compiler.h"' print '#include "util/u_format.h"' print '#include "util/u_math.h"' + print '#include "util/u_half.h"' print '#include "lp_tile_soa.h"' print + print 'int tile_write_count=0, tile_read_count=0;' + print print 'const unsigned char' print 'tile_offset[TILE_VECTOR_HEIGHT][TILE_VECTOR_WIDTH] = {' print ' { 0, 1, 4, 5},' @@ -349,8 +384,6 @@ def main(): print '};' print - generate_clamp() - channel = Channel(UNSIGNED, True, 8) native_type = 'uint8_t' suffix = '4ub' |