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graphics: keep bounded image heaps resident in a bindless descriptor set

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This commit is contained in:
nmzik
2026-10-22 22:15:56 +02:00
parent 79837b423d
commit 27dc7c281f
31 changed files with 1377 additions and 75 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterImage.cpp
+28 -8
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@@ -700,6 +700,21 @@ auto EmitImageAccess(ValueEmitContext& ctx, const IR::Inst& inst, uint32_t resul
image.indirect_resources.size() < 2u) {
ctx.Fail(inst, "has no indirect image runtime mapping");
}
if (image.heap) {
const auto entry = EmitImageHeapEntry(state, key, image.indirect_mapping_offset);
const auto kinds = static_cast<uint32_t>(image.indirect_resources.size()) - 1u;
// One kind leaves every slot word a bare element.
if (kinds == 1u) return emit(image.indirect_resources[1], entry);
const auto element = Binary(state, spv::OpBitwiseAnd, TypeU32(state), entry,
ConstantU32(state, (1u << IR::ImageHeapKindShift) - 1u));
const auto EmitKind = [&](uint32_t kind) {
return emit(image.indirect_resources[kind + 1u], element);
};
return EmitIndexSwitch(state,
Binary(state, spv::OpShiftRightLogical, TypeU32(state), entry,
ConstantU32(state, IR::ImageHeapKindShift)),
kinds, result_type, EmitKind);
}
const auto selected = EmitIndirectResourceIndex(
state, key, image.indirect_mapping_offset, image.indirect_search_iterations, 0u);
const auto SameType = [&](uint32_t lhs, uint32_t rhs) {
@@ -879,14 +894,19 @@ void EmitImage(ValueEmitContext& ctx, const IR::Inst& inst) {
}
if (op == IR::ValueOpcode::ImageQueryLod) {
state.builder.RequireCapability(spv::CapabilityImageQuery);
const auto dimension = image.dimension;
const auto sampled = MakeSampledImage(state, mem.resource,
LoadSamplerDescriptor(state, mem.sampler));
const auto lod = state.builder.AllocateId();
state.builder.AddFunction(
spv::OpImageQueryLod, TypeF32Vector(state, 2), lod, sampled,
CoordF32(ctx, mem, *address, 0, ImageDimensionInfoFor(dimension).spatial_components,
image.cube));
const auto sampler = LoadSamplerDescriptor(state, mem.sampler);
const auto lod = EmitImageAccess(ctx, inst, TypeF32Vector(state, 2),
[&](uint32_t resource, uint32_t array_index) {
const auto& candidate = state.program.info.images[resource];
const auto query = state.builder.AllocateId();
state.builder.AddFunction(
spv::OpImageQueryLod, TypeF32Vector(state, 2), query,
MakeSampledImage(state, resource, sampler, 0u, array_index),
CoordF32(ctx, mem, *address, 0,
ImageDimensionInfoFor(candidate.dimension).spatial_components,
candidate.cube));
return query;
});
uint32_t values[4] = {ConstantU32(state, 0), ConstantU32(state, 0), ConstantU32(state, 0),
ConstantU32(state, 0)};
for (uint32_t index = 0; index < 2u; index++) {