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whoops, added mul and saturate GLSL conversion

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This commit is contained in:
jp9000 2013-10-08 15:18:33 -07:00
parent 34357f00fb
commit c301c9e1ef
1 changed files with 47 additions and 1 deletions
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48
libobs-opengl/gl-shaderparser.c
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@ -208,6 +208,45 @@ static inline void gl_write_structs(struct gl_shader_parser *glsp)
* All else can be left as-is
*/
static bool gl_write_mul(struct gl_shader_parser *glsp,
struct cf_token **p_token)
{
struct cf_parser *cfp = &glsp->parser.cfp;
bool written = false;
cfp->cur_token = *p_token;
if (!next_token(cfp)) return false;
if (!token_is(cfp, "(")) return false;
dstr_cat(&glsp->gl_string, "(");
gl_write_function_contents(glsp, &cfp->cur_token, ",");
dstr_cat(&glsp->gl_string, ") * (");
next_token(cfp);
gl_write_function_contents(glsp, &cfp->cur_token, ")");
dstr_cat(&glsp->gl_string, "))");
*p_token = cfp->cur_token;
return true;
}
static bool gl_write_saturate(struct gl_shader_parser *glsp,
struct cf_token **p_token)
{
struct cf_parser *cfp = &glsp->parser.cfp;
bool written = false;
cfp->cur_token = *p_token;
if (!next_token(cfp)) return false;
if (!token_is(cfp, "(")) return false;
dstr_cat(&glsp->gl_string, "clamp");
gl_write_function_contents(glsp, &cfp->cur_token, ")");
dstr_cat(&glsp->gl_string, ", 0.0, 1.0)");
*p_token = cfp->cur_token;
return true;
}
static inline bool gl_write_texture_call(struct gl_shader_parser *glsp,
struct shader_var *var, const char *call)
{
@ -286,6 +325,10 @@ static bool gl_write_intrinsic(struct gl_shader_parser *glsp,
dstr_cat(&glsp->gl_string, "mix");
} else if (strref_cmp(&token->str, "rsqrt") == 0) {
dstr_cat(&glsp->gl_string, "inversesqrt");
} else if (strref_cmp(&token->str, "saturate") == 0) {
written = gl_write_saturate(glsp, &token);
} else if (strref_cmp(&token->str, "mul") == 0) {
written = gl_write_mul(glsp, &token);
} else {
struct shader_var *var = sp_getparam(glsp, token);
if (var && astrcmp_n(var->type, "texture", 7) == 0)
@ -304,7 +347,10 @@ static void gl_write_function_contents(struct gl_shader_parser *glsp,
{
struct cf_token *token = *p_token;
dstr_cat_strref(&glsp->gl_string, &token->str);
if (token->type != CFTOKEN_NAME
|| ( !gl_write_type_token(glsp, token)
&& !gl_write_intrinsic(glsp, &token)))
dstr_cat_strref(&glsp->gl_string, &token->str);
while (token->type != CFTOKEN_NONE) {
token++;