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Parse params from cgp.

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This commit is contained in:
Themaister 2014-05-22 22:02:43 +02:00
parent 4722b6af75
commit 5c3e2f9e0a
1 changed files with 38 additions and 4 deletions
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42
gfx/shader_parse.c
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@ -268,12 +268,23 @@ static bool shader_parse_textures(config_file_t *conf, struct gfx_shader *shader
return true;
}
static struct gfx_shader_parameter *find_parameter(struct gfx_shader_parameter *params, unsigned num_params, const char *id)
{
unsigned i;
for (i = 0; i < num_params; i++)
{
if (!strcmp(params[i].id, id))
return &params[i];
}
return NULL;
}
bool gfx_shader_resolve_parameters(config_file_t *conf, struct gfx_shader *shader)
{
char parameters[1024];
char *save = NULL;
const char *id;
unsigned i, line;
unsigned i;
shader->num_parameters = 0;
struct gfx_shader_parameter *param = &shader->parameters[shader->num_parameters];
@ -290,12 +301,18 @@ bool gfx_shader_resolve_parameters(config_file_t *conf, struct gfx_shader *shade
{
int ret = sscanf(line, "#pragma parameter %64s \"%64[^\"]\" %f %f %f %f",
param->id, param->desc, &param->initial, &param->minimum, &param->maximum, &param->step);
if (ret == 6)
if (ret >= 5)
{
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++;
@ -305,8 +322,25 @@ bool gfx_shader_resolve_parameters(config_file_t *conf, struct gfx_shader *shade
fclose(file);
}
if (!config_get_array(conf, "parameters", parameters, sizeof(parameters)))
return true;
// Read in parameters which override the defaults.
if (conf)
{
if (!config_get_array(conf, "parameters", parameters, sizeof(parameters)))
return true;
for (id = strtok_r(parameters, ";", &save); id; id = strtok_r(NULL, ";", &save))
{
struct gfx_shader_parameter *param = find_parameter(shader->parameters, shader->num_parameters, id);
if (!param)
{
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, &param->current))
RARCH_WARN("[CGP/GLSLP]: Parameter %s is not set in preset.\n", id);
}
}
return true;
}