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

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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/ir/ShaderIR.h
+7
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@@ -169,6 +169,7 @@ struct ImageResource {
bool depth_compare = false;
bool cube = false;
bool r128 = false;
bool heap = false; // Resident image heap root or kind.
uint32_t indirect_root = NoIndirectImage;
uint32_t indirect_mapping_offset = 0;
uint32_t indirect_search_iterations = 0;
@@ -344,6 +345,11 @@ inline constexpr uint32_t FirstImageBinding = 1u;
inline constexpr uint32_t FirstComparisonImageBinding = 22u;
inline constexpr uint32_t FirstStorageImageBinding = 29u;
inline constexpr uint32_t ImageBindingCount = 50u;
// Resident image heaps share one sampled-image array at binding 0 of this set. A heap slot
// word is kind << ImageHeapKindShift | element; element 0 is the null descriptor.
inline constexpr uint32_t ImageHeapSet = 1u;
inline constexpr uint32_t ImageHeapCapacity = 65536u;
inline constexpr uint32_t ImageHeapKindShift = 20u;
enum class DescriptorBindingKind : uint32_t {
Buffers = 0u,
@@ -529,6 +535,7 @@ struct ShaderInfo {
bool uses_lds = false;
bool uses_gds = false;
bool uses_flattened_srt = false;
bool uses_image_heap = false;
bool uses_dispatch_threads = false;
bool bvh = false;
bool subgroup_ballot = false;