char *intfstream_gets(intfstream_internal_t *intf,
char *buffer, size_t len)
{
if (!intf)
return NULL;
switch (intf->type)
{
case INTFSTREAM_FILE:
return filestream_gets(intf->file.fp, buffer, len);
case INTFSTREAM_MEMORY:
return memstream_gets(intf->memory.fp, buffer, len);
}
return NULL;
}
char *intfstream_gets(intfstream_internal_t *intf,
char *buffer, size_t len)
{
if (!intf)
return NULL;
switch (intf->type)
{
case INTFSTREAM_FILE:
return filestream_gets(intf->file.fp, buffer, len);
case INTFSTREAM_MEMORY:
return memstream_gets(intf->memory.fp, buffer, len);
case INTFSTREAM_CHD:
#ifdef HAVE_CHD
return chdstream_gets(intf->chd.fp, buffer, len);
#else
break;
#endif
}
return NULL;
}
char *rfgets(char *buffer, int maxCount, RFILE* stream)
{
return filestream_gets(stream, buffer, maxCount);
}
/**
* video_shader_resolve_parameters:
* @conf : Preset file to read from.
* @shader : Shader passes handle.
*
* Resolves all shader parameters belonging to shaders.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool video_shader_resolve_parameters(config_file_t *conf,
struct video_shader *shader)
{
unsigned i;
struct video_shader_parameter *param = &shader->parameters[0];
shader->num_parameters = 0;
/* Find all parameters in our shaders. */
for (i = 0; i < shader->passes; i++)
{
#ifdef HAVE_SLANG
/* First try to use the more robust slang implementation to support #includes. */
/* FIXME: The check for slang can be removed if it's sufficiently tested for
* GLSL/Cg as well, it should be the same implementation. */
if (string_is_equal(path_get_extension(shader->pass[i].source.path), "slang") &&
slang_preprocess_parse_parameters(shader->pass[i].source.path, shader))
continue;
/* If that doesn't work, fallback to the old path.
* Ideally, we'd get rid of this path sooner or later. */
#endif
char line[4096];
RFILE *file = filestream_open(shader->pass[i].source.path, RFILE_MODE_READ_TEXT, -1);
if (!file)
continue;
line[0] = '\0';
while (shader->num_parameters < ARRAY_SIZE(shader->parameters)
&& filestream_gets(file, line, sizeof(line)))
{
int ret = sscanf(line,
"#pragma parameter %63s \"%63[^\"]\" %f %f %f %f",
param->id, param->desc, ¶m->initial,
¶m->minimum, ¶m->maximum, ¶m->step);
if (ret < 5)
continue;
param->id[63] = '\0';
param->desc[63] = '\0';
if (ret == 5)
param->step = 0.1f * (param->maximum - param->minimum);
RARCH_LOG("Found #pragma parameter %s (%s) %f %f %f %f\n",
param->desc, param->id, param->initial,
param->minimum, param->maximum, param->step);
param->current = param->initial;
shader->num_parameters++;
param++;
}
filestream_close(file);
}
if (conf && !video_shader_resolve_current_parameters(conf, shader))
return false;
return true;
}
static bool playlist_read_file(
playlist_t *playlist, const char *path)
{
unsigned i;
char buf[PLAYLIST_ENTRIES][1024];
RFILE *file = filestream_open(
path, RFILE_MODE_READ_TEXT, -1);
for (i = 0; i < PLAYLIST_ENTRIES; i++)
buf[i][0] = '\0';
/* If playlist file does not exist,
* create an empty playlist instead.
*/
if (!file)
return true;
for (playlist->size = 0; playlist->size < playlist->cap; )
{
unsigned i;
struct playlist_entry *entry = NULL;
for (i = 0; i < PLAYLIST_ENTRIES; i++)
{
char *last = NULL;
*buf[i] = '\0';
if (!filestream_gets(file, buf[i], sizeof(buf[i])))
goto end;
/* Read playlist entry and terminate string with NUL character
* regardless of Windows or Unix line endings
*/
if((last = strrchr(buf[i], '\r')))
*last = '\0';
else if((last = strrchr(buf[i], '\n')))
*last = '\0';
}
entry = &playlist->entries[playlist->size];
if (!*buf[2] || !*buf[3])
continue;
if (*buf[0])
entry->path = strdup(buf[0]);
if (*buf[1])
entry->label = strdup(buf[1]);
entry->core_path = strdup(buf[2]);
entry->core_name = strdup(buf[3]);
if (*buf[4])
entry->crc32 = strdup(buf[4]);
if (*buf[5])
entry->db_name = strdup(buf[5]);
playlist->size++;
}
end:
filestream_close(file);
return true;
}
/**
* video_shader_resolve_parameters:
* @conf : Preset file to read from.
* @shader : Shader passes handle.
*
* Resolves all shader parameters belonging to shaders.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool video_shader_resolve_parameters(config_file_t *conf,
struct video_shader *shader)
{
unsigned i;
struct video_shader_parameter *param =
&shader->parameters[shader->num_parameters];
shader->num_parameters = 0;
/* Find all parameters in our shaders. */
for (i = 0; i < shader->passes; i++)
{
char line[4096] = {0};
RFILE *file = filestream_open(shader->pass[i].source.path, RFILE_MODE_READ_TEXT, -1);
if (!file)
continue;
while (shader->num_parameters < ARRAY_SIZE(shader->parameters)
&& filestream_gets(file, line, sizeof(line)))
{
int ret = sscanf(line,
"#pragma parameter %63s \"%63[^\"]\" %f %f %f %f",
param->id, param->desc, ¶m->initial,
¶m->minimum, ¶m->maximum, ¶m->step);
if (ret < 5)
continue;
param->id[63] = '\0';
param->desc[63] = '\0';
if (ret == 5)
param->step = 0.1f * (param->maximum - param->minimum);
RARCH_LOG("Found #pragma parameter %s (%s) %f %f %f %f\n",
param->desc, param->id, param->initial,
param->minimum, param->maximum, param->step);
param->current = param->initial;
shader->num_parameters++;
param++;
}
filestream_close(file);
}
if (conf)
{
/* Read in parameters which override the defaults. */
char parameters[4096] = {0};
const char *id = NULL;
char *save = NULL;
if (!config_get_array(conf, "parameters",
parameters, sizeof(parameters)))
return true;
for (id = strtok_r(parameters, ";", &save); id;
id = strtok_r(NULL, ";", &save))
{
struct video_shader_parameter *parameter = (struct video_shader_parameter*)
video_shader_parse_find_parameter(shader->parameters, shader->num_parameters, id);
if (!parameter)
{
RARCH_WARN("[CGP/GLSLP]: Parameter %s is set in the preset, but no shader uses this parameter, ignoring.\n", id);
continue;
}
if (!config_get_float(conf, id, ¶meter->current))
RARCH_WARN("[CGP/GLSLP]: Parameter %s is not set in preset.\n", id);
}
}
return true;
}
