emit_glasm: Enable ARB_draw_buffers when needed

This commit is contained in:
ReinUsesLisp 2021-05-16 17:52:30 -03:00 committed by ameerj
parent 3c06293e20
commit db2f0f4108
2 changed files with 5 additions and 1 deletions

View file

@ -71,7 +71,7 @@ EmitContext::EmitContext(IR::Program& program) {
if (index == 0) { if (index == 0) {
Add("OUTPUT frag_color0=result.color;"); Add("OUTPUT frag_color0=result.color;");
} else { } else {
Add("OUTPUT frag_color{}[]=result.color[{}];", index, index); Add("OUTPUT frag_color{}=result.color[{}];", index, index);
} }
} }
for (size_t index = 0; index < program.info.stores_generics.size(); ++index) { for (size_t index = 0; index < program.info.stores_generics.size(); ++index) {

View file

@ -283,6 +283,10 @@ void SetupOptions(std::string& header, Info info) {
if (info.uses_subgroup_shuffles) { if (info.uses_subgroup_shuffles) {
header += "OPTION NV_shader_thread_shuffle;"; header += "OPTION NV_shader_thread_shuffle;";
} }
const auto non_zero_frag_colors{info.stores_frag_color | std::views::drop(1)};
if (std::ranges::find(non_zero_frag_colors, true) != non_zero_frag_colors.end()) {
header += "OPTION ARB_draw_buffers;";
}
} }
std::string_view StageHeader(Stage stage) { std::string_view StageHeader(Stage stage) {