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glasm: Implement stores to gl_ViewportIndex

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This commit is contained in:
ReinUsesLisp 2021-05-19 16:32:03 -03:00 • committed by ameerj
parent 2494dbe183
commit accad56ee7
4 changed files with 29 additions and 7 deletions
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16
src/shader_recompiler/backend/glasm/emit_glasm.cpp
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@ -261,7 +261,10 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
}
void SetupOptions(std::string& header, Info info) {
void SetupOptions(const IR::Program& program, const Profile& profile, std::string& header) {
const Info& info{program.info};
const Stage stage{program.stage};
// TODO: Track the shared atomic ops
header += "OPTION NV_internal;"
"OPTION NV_shader_storage_buffer;"
@ -286,6 +289,11 @@ void SetupOptions(std::string& header, Info info) {
if (info.uses_sparse_residency) {
header += "OPTION EXT_sparse_texture2;";
}
if ((info.stores_viewport_index || info.stores_layer) && stage != Stage::Geometry) {
if (profile.support_viewport_index_layer_non_geometry) {
header += "OPTION NV_viewport_array2;";
}
}
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;";
@ -312,12 +320,12 @@ std::string_view StageHeader(Stage stage) {
}
} // Anonymous namespace
std::string EmitGLASM(const Profile&, IR::Program& program, Bindings& bindings) {
EmitContext ctx{program, bindings};
std::string EmitGLASM(const Profile& profile, IR::Program& program, Bindings& bindings) {
EmitContext ctx{program, bindings, profile};
Precolor(ctx, program);
EmitCode(ctx, program);
std::string header{StageHeader(program.stage)};
SetupOptions(header, program.info);
SetupOptions(program, profile, header);
switch (program.stage) {
case Stage::Compute:
header += fmt::format("GROUP_SIZE {} {} {};", program.workgroup_size[0],