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Raise Vulkan uniform buffer budget

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This commit is contained in:
izzy2lost
2026-04-08 02:34:51 -04:00
parent ddb6060091
commit a646620b77
1 changed files with 12 additions and 4 deletions
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hw/xbox/nv2a/pgraph/vk/buffer.c
+12 -4
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@@ -29,6 +29,7 @@ typedef struct MemoryBudget {
size_t vertex_inline_cap;
size_t index_cap;
size_t staging_cap;
size_t uniform_cap;
size_t shader_module_cache_entries;
} MemoryBudget;
@@ -73,6 +74,7 @@ static MemoryBudget compute_memory_budget(PGRAPHVkState *r)
b.vertex_inline_cap = SIZE_MAX;
b.index_cap = SIZE_MAX;
b.staging_cap = SIZE_MAX;
b.uniform_cap = 64 * mib;
b.shader_module_cache_entries = 50 * 1024;
} else {
size_t budget = b.renderer_budget;
@@ -81,6 +83,10 @@ static MemoryBudget compute_memory_budget(PGRAPHVkState *r)
b.vertex_inline_cap = MAX(8 * mib, budget / 5);
b.index_cap = MAX(4 * mib, budget / 20);
b.staging_cap = MAX(16 * mib, budget * 12 / 100);
b.uniform_cap = MAX(16 * mib, budget / 16);
if (b.uniform_cap > 64 * mib) {
b.uniform_cap = 64 * mib;
}
b.shader_module_cache_entries = budget_mib * 4;
if (b.shader_module_cache_entries < 2048) {
b.shader_module_cache_entries = 2048;
@@ -175,12 +181,13 @@ bool pgraph_vk_init_buffers(NV2AState *d, Error **errp)
NV2A_MAX_BATCH_LENGTH *
4 * sizeof(float) * 10;
vertex_inline_size = MIN(vertex_inline_size, mb.vertex_inline_cap);
size_t uniform_size = mb.uniform_cap;
r->shader_module_cache_target = mb.shader_module_cache_entries;
#ifdef __ANDROID__
__android_log_print(ANDROID_LOG_INFO, "xemu-android",
"vk memory budget: heap=%zuMB budget=%s%zuMB staging_cap=%zuMB index_cap=%zuMB vtx_inline_cap=%zuMB shader_cache=%zu",
"vk memory budget: heap=%zuMB budget=%s%zuMB staging_cap=%zuMB index_cap=%zuMB vtx_inline_cap=%zuMB uniform_cap=%zuMB shader_cache=%zu",
mb.total_heap >> 20,
mb.renderer_budget == SIZE_MAX ? "uncapped/" : "",
mb.renderer_budget == SIZE_MAX ? 0 :
@@ -189,10 +196,11 @@ bool pgraph_vk_init_buffers(NV2AState *d, Error **errp)
mb.index_cap == SIZE_MAX ? 0 : mb.index_cap >> 20,
mb.vertex_inline_cap == SIZE_MAX ? 0 :
mb.vertex_inline_cap >> 20,
mb.uniform_cap >> 20,
mb.shader_module_cache_entries);
__android_log_print(ANDROID_LOG_INFO, "xemu-android",
"vk buffer init: vram=%zu staging=%zu compute=%zu",
vram_size, staging_size, compute_size);
"vk buffer init: vram=%zu staging=%zu compute=%zu uniform=%zu",
vram_size, staging_size, compute_size, uniform_size);
#endif
VmaAllocationCreateInfo host_alloc_create_info = {
@@ -275,7 +283,7 @@ bool pgraph_vk_init_buffers(NV2AState *d, Error **errp)
.alloc_info = device_alloc_create_info,
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
.buffer_size = 8 * 1024 * 1024,
.buffer_size = uniform_size,
};
r->storage_buffers[BUFFER_UNIFORM_STAGING] = (StorageBuffer){