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vkd3d-dxbc: Add an option to re-emit the shader with the correct checksum.

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Giovanni Mascellani 2024-01-21 23:52:28 +01:00 committed by Alexandre Julliard
parent 4b80b06f28
commit b72ad78af6
Notes: Alexandre Julliard 2024-03-11 23:05:11 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/582
1 changed files with 128 additions and 7 deletions
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135
programs/vkd3d-dxbc/main.c
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@ -33,9 +33,38 @@
#include <term.h>
#endif
static bool array_reserve(void **elements, size_t *capacity, size_t element_count, size_t element_size)
{
size_t new_capacity, max_capacity;
void *new_elements;
if (element_count <= *capacity)
return true;
max_capacity = ~(size_t)0 / element_size;
if (max_capacity < element_count)
return false;
new_capacity = max(*capacity, 4);
while (new_capacity < element_count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < element_count)
new_capacity = element_count;
if (!(new_elements = realloc(*elements, new_capacity * element_size)))
return false;
*elements = new_elements;
*capacity = new_capacity;
return true;
}
enum
{
OPTION_COLOUR = CHAR_MAX + 1,
OPTION_EMIT,
OPTION_HELP,
OPTION_IGNORE_CHECKSUM,
OPTION_LIST,
@ -44,6 +73,14 @@ enum
OPTION_VERSION,
};
struct action
{
enum action_type
{
ACTION_TYPE_EMIT,
} type;
};
struct options
{
const char *input_filename;
@ -53,6 +90,9 @@ struct options
bool print_version;
bool ignore_checksum;
struct action *actions;
size_t action_count, action_capacity;
struct colours
{
const char *reset;
@ -62,6 +102,23 @@ struct options
} colours;
};
static struct action *action_push(struct options *options, enum action_type type)
{
struct action *action;
if (!array_reserve((void **)&options->actions, &options->action_capacity,
options->action_count + 1, sizeof(*options->actions)))
{
fprintf(stderr, "Out of memory.\n");
exit(1);
}
action = &options->actions[options->action_count++];
action->type = type;
return action;
}
static bool has_colour(void)
{
#ifdef HAVE_NCURSES
@ -89,6 +146,7 @@ static bool parse_command_line(int argc, char **argv, struct options *options)
static struct option long_options[] =
{
{"colour", no_argument, NULL, OPTION_COLOUR},
{"emit", no_argument, NULL, OPTION_EMIT},
{"help", no_argument, NULL, OPTION_HELP},
{"ignore-checksum", no_argument, NULL, OPTION_IGNORE_CHECKSUM},
{"list", no_argument, NULL, OPTION_LIST},
@ -122,7 +180,7 @@ static bool parse_command_line(int argc, char **argv, struct options *options)
for (;;)
{
if ((option = getopt_long(argc, argv, "htV", long_options, NULL)) == -1)
if ((option = getopt_long(argc, argv, "ehtV", long_options, NULL)) == -1)
break;
switch (option)
@ -131,6 +189,16 @@ static bool parse_command_line(int argc, char **argv, struct options *options)
options->colours = colours;
break;
case 'e':
case OPTION_EMIT:
action_push(options, ACTION_TYPE_EMIT);
if (isatty(fileno(stdout)))
{
fprintf(stderr, "Output is a tty and output format is binary, exiting.\n");
return false;
}
break;
case 'h':
case OPTION_HELP:
options->print_help = true;
@ -175,6 +243,7 @@ static void print_usage(const char *program_name)
"[options...] [file]\n"
"Options:\n"
" --colour Enable colour, even when not supported by the output.\n"
" -e, --emit Emit the content of the DXBC blob to the standard output.\n"
" -h, --help Display this information and exit.\n"
" -t, --list List the contents of the DXBC blob.\n"
" --list-data List the data contained in the DXBC sections.\n"
@ -185,7 +254,11 @@ static void print_usage(const char *program_name)
" interpreted as a filename.\n"
"\n"
"If the input file is '-' or not specified, input will be read from standard\n"
"input.\n";
"input.\n"
"\n"
"Currently this tool can only re-emit the same DXBC blob it loaded. However, it\n"
"will recompute the checksum while doing so, so --emit can be useful\n"
"together with --ignore-checksum to fix the checksum for a blob.\n";
fprintf(stderr, "Usage: %s %s", program_name, usage);
}
@ -264,6 +337,21 @@ static bool read_input(FILE *f, struct vkd3d_shader_code *dxbc)
return true;
}
static bool write_output(FILE *f, const struct vkd3d_shader_code *dxbc)
{
const char *code = dxbc->code;
size_t pos = 0, ret;
while (pos != dxbc->size)
{
if (!(ret = fwrite(&code[pos], 1, dxbc->size - pos, f)))
return false;
pos += ret;
}
return true;
}
static const char *dump_tag(char *out, uint32_t tag)
{
unsigned int i;
@ -379,26 +467,28 @@ static void dump_dxbc(const struct vkd3d_shader_code *dxbc, const struct vkd3d_s
int main(int argc, char **argv)
{
struct vkd3d_shader_code dxbc, serialized;
struct vkd3d_shader_dxbc_desc dxbc_desc;
struct vkd3d_shader_code dxbc;
bool close_input = false;
struct options options;
bool close_input;
char *messages;
uint32_t flags;
int fail = 1;
FILE *input;
size_t i;
int ret;
if (!parse_command_line(argc, argv, &options))
{
print_usage(argv[0]);
return 1;
goto done;
}
if (options.print_help || (argc < 2 && isatty(fileno(stdin))))
{
print_usage(argv[0]);
return 0;
fail = 0;
goto done;
}
if (options.print_version)
@ -406,7 +496,8 @@ int main(int argc, char **argv)
const char *version = vkd3d_shader_get_version(NULL, NULL);
fprintf(stdout, "vkd3d-dxbc version " PACKAGE_VERSION " using %s\n", version);
return 0;
fail = 0;
goto done;
}
if (!(input = open_input(options.input_filename, &close_input)))
@ -432,10 +523,40 @@ int main(int argc, char **argv)
if (options.list || options.list_data)
dump_dxbc(&dxbc, &dxbc_desc, &options);
for (i = 0; i < options.action_count; ++i)
{
struct action *action = &options.actions[i];
switch (action->type)
{
case ACTION_TYPE_EMIT:
ret = vkd3d_shader_serialize_dxbc(dxbc_desc.section_count, dxbc_desc.sections, &serialized, &messages);
if (messages)
fputs(messages, stderr);
vkd3d_shader_free_messages(messages);
if (ret < 0)
goto done;
if (!write_output(stdout, &serialized))
{
fprintf(stderr, "Failed to write output blob.\n");
vkd3d_shader_free_shader_code(&serialized);
goto done;
}
vkd3d_shader_free_shader_code(&serialized);
break;
default:
vkd3d_unreachable();
}
}
vkd3d_shader_free_dxbc(&dxbc_desc);
vkd3d_shader_free_shader_code(&dxbc);
fail = 0;
done:
free(options.actions);
if (close_input)
fclose(input);
return fail;