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libobs-opengl: Add handling of Load(float3) w/ texelFetch

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John R. Bradley 2015-05-23 01:59:32 -05:00 committed by jp9000
parent acf640b40c
commit 3dede60384
1 changed files with 8 additions and 1 deletions
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9
libobs-opengl/gl-shaderparser.c
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@ -336,6 +336,8 @@ static bool gl_write_texture_code(struct gl_shader_parser *glsp,
if (!cf_token_is(cfp, ".")) return false; if (!cf_token_is(cfp, ".")) return false;
if (!cf_next_token(cfp)) return false; if (!cf_next_token(cfp)) return false;
const char *function_end = ")";
if (cf_token_is(cfp, "Sample")) if (cf_token_is(cfp, "Sample"))
written = gl_write_texture_call(glsp, var, "texture", true); written = gl_write_texture_call(glsp, var, "texture", true);
else if (cf_token_is(cfp, "SampleBias")) else if (cf_token_is(cfp, "SampleBias"))
@ -344,6 +346,11 @@ static bool gl_write_texture_code(struct gl_shader_parser *glsp,
written = gl_write_texture_call(glsp, var, "textureGrad", true); written = gl_write_texture_call(glsp, var, "textureGrad", true);
else if (cf_token_is(cfp, "SampleLevel")) else if (cf_token_is(cfp, "SampleLevel"))
written = gl_write_texture_call(glsp, var, "textureLod", true); 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) if (!written)
return false; return false;
@ -351,7 +358,7 @@ static bool gl_write_texture_code(struct gl_shader_parser *glsp,
if (!cf_next_token(cfp)) return false; if (!cf_next_token(cfp)) return false;
gl_write_function_contents(glsp, &cfp->cur_token, ")"); gl_write_function_contents(glsp, &cfp->cur_token, ")");
dstr_cat(&glsp->gl_string, ")"); dstr_cat(&glsp->gl_string, function_end);
*p_token = cfp->cur_token; *p_token = cfp->cur_token;
return true; return true;