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glsl: Fix Cbuf getters for F32 type

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This commit is contained in:
ameerj 2021-06-11 22:43:43 -04:00
parent 7c82f20b52
commit 427a2596a1
1 changed files with 15 additions and 12 deletions
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27
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@ -34,16 +34,16 @@ std::string OutputVertexIndex(EmitContext& ctx) {
return ctx.stage == Stage::TessellationControl ? "[gl_InvocationID]" : "";
}
void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset,
u32 num_bits, std::string_view cast = {}, bool component_indexing_bug = false,
std::string_view bit_offset = {}) {
void GetCbuf(EmitContext& ctx, std::string_view ret, const IR::Value& binding,
const IR::Value& offset, u32 num_bits, std::string_view cast = {},
bool component_indexing_bug = false, std::string_view bit_offset = {}) {
const bool is_immediate{offset.IsImmediate()};
if (is_immediate) {
const s32 signed_offset{static_cast<s32>(offset.U32())};
static constexpr u32 cbuf_size{4096 * 16};
if (signed_offset < 0 || offset.U32() > cbuf_size) {
// LOG_WARNING(..., "Immediate constant buffer offset is out of bounds");
ctx.AddU32("{}=0u;", inst);
ctx.Add("{}=0u;", ret);
return;
}
}
@ -60,10 +60,9 @@ void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const I
bit_offset, num_bits)};
if (!component_indexing_bug) {
const auto result{fmt::format(extraction, swizzle)};
ctx.AddU32("{}={};", inst, result);
ctx.Add("{}={};", ret, result);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 i = 0; i < 4; ++i) {
const auto swizzle_string{fmt::format(".{}", "xyzw"[i])};
@ -74,26 +73,28 @@ void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const I
void GetCbuf8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset,
std::string_view cast) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
if (offset.IsImmediate()) {
const auto bit_offset{fmt::format("{}", (offset.U32() % 4) * 8)};
GetCbuf(ctx, inst, binding, offset, 8, cast, false, bit_offset);
GetCbuf(ctx, ret, binding, offset, 8, cast, false, bit_offset);
} else {
const auto offset_var{ctx.var_alloc.Consume(offset)};
const auto bit_offset{fmt::format("({}%4)*8", offset_var)};
GetCbuf(ctx, inst, binding, offset, 8, cast, ctx.profile.has_gl_component_indexing_bug,
GetCbuf(ctx, ret, binding, offset, 8, cast, ctx.profile.has_gl_component_indexing_bug,
bit_offset);
}
}
void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset,
std::string_view cast) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
if (offset.IsImmediate()) {
const auto bit_offset{fmt::format("{}", ((offset.U32() / 2) % 2) * 16)};
GetCbuf(ctx, inst, binding, offset, 16, cast, false, bit_offset);
GetCbuf(ctx, ret, binding, offset, 16, cast, false, bit_offset);
} else {
const auto offset_var{ctx.var_alloc.Consume(offset)};
const auto bit_offset{fmt::format("(({}>>1)%2)*16", offset_var)};
GetCbuf(ctx, inst, binding, offset, 16, cast, ctx.profile.has_gl_component_indexing_bug,
GetCbuf(ctx, ret, binding, offset, 16, cast, ctx.profile.has_gl_component_indexing_bug,
bit_offset);
}
}
@ -121,12 +122,14 @@ void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
GetCbuf(ctx, inst, binding, offset, 32, "ftou");
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
GetCbuf(ctx, ret, binding, offset, 32, "ftou");
}
void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
GetCbuf(ctx, inst, binding, offset, 32);
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32)};
GetCbuf(ctx, ret, binding, offset, 32);
}
void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,