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Code Issues Releases Wiki Activity

glsl: Fix cbuf component indexing bug falback

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This commit is contained in:
ameerj
2021-06-16 19:59:08 -04:00
parent 1091995f8e
commit ccbd24fe00
1 changed files with 6 additions and 7 deletions
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13
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@@ -37,8 +37,9 @@ std::string_view OutputVertexIndex(EmitContext& ctx) {
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 = {}) {
std::string_view bit_offset = {}) {
const bool is_immediate{offset.IsImmediate()};
const bool component_indexing_bug{!is_immediate && ctx.profile.has_gl_component_indexing_bug};
if (is_immediate) {
const s32 signed_offset{static_cast<s32>(offset.U32())};
static constexpr u32 cbuf_size{0x10000};
@@ -77,12 +78,11 @@ void GetCbuf8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
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, ret, binding, offset, 8, cast, false, bit_offset);
GetCbuf(ctx, ret, binding, offset, 8, cast, bit_offset);
} else {
const auto offset_var{ctx.var_alloc.Consume(offset)};
const auto bit_offset{fmt::format("({}%4)*8", offset_var)};
GetCbuf(ctx, ret, binding, offset, 8, cast, ctx.profile.has_gl_component_indexing_bug,
bit_offset);
GetCbuf(ctx, ret, binding, offset, 8, cast, bit_offset);
}
}
@@ -91,12 +91,11 @@ void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
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, ret, binding, offset, 16, cast, false, bit_offset);
GetCbuf(ctx, ret, binding, offset, 16, cast, 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, ret, binding, offset, 16, cast, ctx.profile.has_gl_component_indexing_bug,
bit_offset);
GetCbuf(ctx, ret, binding, offset, 16, cast, bit_offset);
}
}