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synced 2024-08-21 10:33:21 +02:00
glsl: Fix and implement rest of cbuf access
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3047eb6688
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005eecffcd
@ -24,25 +24,61 @@ char OffsetSwizzle(u32 offset) {
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void EmitGetCbufU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& binding,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLSL");
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if (offset.IsImmediate()) {
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ctx.AddU32("{}=bitfieldExtract(floatBitsToUint({}_cbuf{}[{}].{}),int({}),8);", inst,
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ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
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(offset.U32() % 4) * 8);
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} else {
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.AddU32(
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"{}=bitfieldExtract(floatBitsToUint({}_cbuf{}[{}/16][({}/4)%4]),int(({}%4)*8),8);",
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inst, ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var);
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}
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}
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void EmitGetCbufS8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& binding,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLSL");
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if (offset.IsImmediate()) {
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ctx.AddU32("{}=bitfieldExtract(floatBitsToInt({}_cbuf{}[{}].{}),int({}),8);", inst,
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ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
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(offset.U32() % 4) * 8);
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} else {
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.AddU32(
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"{}=bitfieldExtract(floatBitsToInt({}_cbuf{}[{}/16][({}/4)%4]),int(({}%4)*8),8);", inst,
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ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var);
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}
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}
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void EmitGetCbufU16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& binding,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLSL");
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if (offset.IsImmediate()) {
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ctx.AddU32("{}=bitfieldExtract(floatBitsToUint({}_cbuf{}[{}].{}),int({}),16);", inst,
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ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
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((offset.U32() / 2) % 2) * 16);
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} else {
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.AddU32("{}=bitfieldExtract(floatBitsToUint({}_cbuf{}[{}/16][({}/4)%4]),int((({}/"
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"2)%2)*16),16);",
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inst, ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var);
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}
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}
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void EmitGetCbufS16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& binding,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLSL");
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if (offset.IsImmediate()) {
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ctx.AddU32("{}=bitfieldExtract(floatBitsToInt({}_cbuf{}[{}].{}),int({}),16);", inst,
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ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
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((offset.U32() / 2) % 2) * 16);
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} else {
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.AddU32(
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"{}=bitfieldExtract(floatBitsToInt({}_cbuf{}[{}/16][({}/4)%4]),int((({}/2)%2)*16),16);",
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inst, ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var);
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}
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}
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void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -75,12 +111,12 @@ void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding
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ctx.AddU32x2(
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"{}=uvec2(floatBitsToUint({}_cbuf{}[{}].{}),floatBitsToUint({}_cbuf{}[{}].{}));", inst,
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ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
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ctx.stage_name, binding.U32(), (offset.U32() + 1) / 16,
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OffsetSwizzle(offset.U32() + 1));
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ctx.stage_name, binding.U32(), (offset.U32() + 4) / 16,
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OffsetSwizzle(offset.U32() + 4));
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} else {
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.AddU32x2("{}=uvec2(floatBitsToUint({}_cbuf{}[{}/16][({}/"
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"4)%4]),floatBitsToUint({}_cbuf{}[({}+1)/16][(({}+1/4))%4]));",
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"4)%4]),floatBitsToUint({}_cbuf{}[({}+4)/16][(({}+4)/4)%4]));",
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inst, ctx.stage_name, binding.U32(), offset_var, offset_var, ctx.stage_name,
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binding.U32(), offset_var, offset_var);
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}
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