Esempi in C++ (Cpp) per gl_write_texture_call

Esempio n. 1

File: gl-shaderparser.c Progetto: adylim/obs-studio

/* processes texture.Sample(sampler, texcoord) */
static bool gl_write_texture_code(struct gl_shader_parser *glsp,
		struct cf_token **p_token, struct shader_var *var)
{
	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;
	if (!next_token(cfp))    return false;

	if (token_is(cfp, "Sample"))
		written = gl_write_texture_call(glsp, var, "texture");
	else if (token_is(cfp, "SampleBias"))
		written = gl_write_texture_call(glsp, var, "texture");
	else if (token_is(cfp, "SampleGrad"))
		written = gl_write_texture_call(glsp, var, "textureGrad");
	else if (token_is(cfp, "SampleLevel"))
		written = gl_write_texture_call(glsp, var, "textureLod");

	if (!written)
		return false;

	if (!next_token(cfp)) return false;

	gl_write_function_contents(glsp, &cfp->cur_token, ")");
	dstr_cat(&glsp->gl_string, ")");

	*p_token = cfp->cur_token;
	return true;
}

Esempio n. 2

File: gl-shaderparser.c Progetto: AhmedAbdulSalam5/obs-studio

/* processes texture.Sample(sampler, texcoord) */
static bool gl_write_texture_code(struct gl_shader_parser *glsp,
		struct cf_token **p_token, struct shader_var *var)
{
	struct cf_parser *cfp = &glsp->parser.cfp;
	bool written = false;
	cfp->cur_token = *p_token;

	if (!cf_next_token(cfp))    return false;
	if (!cf_token_is(cfp, ".")) return false;
	if (!cf_next_token(cfp))    return false;

	const char *function_end = ")";

	if (cf_token_is(cfp, "Sample"))
		written = gl_write_texture_call(glsp, var, "texture", true);
	else if (cf_token_is(cfp, "SampleBias"))
		written = gl_write_texture_call(glsp, var, "texture", true);
	else if (cf_token_is(cfp, "SampleGrad"))
		written = gl_write_texture_call(glsp, var, "textureGrad", true);
	else if (cf_token_is(cfp, "SampleLevel"))
		written = gl_write_texture_call(glsp, var, "textureLod", true);
	else if (cf_token_is(cfp, "Load")) {
		written = gl_write_texture_call(glsp, var, "texelFetch", false);
		dstr_cat(&glsp->gl_string, "(");
		function_end = ").xy, 0)";
	}

	if (!written)
		return false;

	if (!cf_next_token(cfp)) return false;

	gl_write_function_contents(glsp, &cfp->cur_token, ")");
	dstr_cat(&glsp->gl_string, function_end);

	*p_token = cfp->cur_token;
	return true;
}