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https://github.com/yuzu-emu/yuzu.git
synced 2024-09-12 12:37:49 +02:00
buffer_cache: Fix size reductions not having in mind bind sizes
A buffer binding can change between shaders without changing the shaders. This lead to outdated bindings on OpenGL.
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9e066dcb15
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@ -405,8 +405,6 @@ private:
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u32 written_compute_texture_buffers = 0;
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u32 image_compute_texture_buffers = 0;
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std::array<u32, NUM_STAGES> fast_bound_uniform_buffers{};
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std::array<u32, 16> uniform_cache_hits{};
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std::array<u32, 16> uniform_cache_shots{};
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@ -416,6 +414,10 @@ private:
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std::conditional_t<HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS, std::array<u32, NUM_STAGES>, Empty>
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dirty_uniform_buffers{};
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std::conditional_t<IS_OPENGL, std::array<u32, NUM_STAGES>, Empty> fast_bound_uniform_buffers{};
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std::conditional_t<HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS,
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std::array<std::array<u32, NUM_GRAPHICS_UNIFORM_BUFFERS>, NUM_STAGES>, Empty>
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uniform_buffer_binding_sizes{};
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std::vector<BufferId> cached_write_buffer_ids;
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@ -684,6 +686,7 @@ void BufferCache<P>::SetUniformBuffersState(const std::array<u32, NUM_STAGES>& m
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fast_bound_uniform_buffers.fill(0);
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}
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dirty_uniform_buffers.fill(~u32{0});
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uniform_buffer_binding_sizes.fill({});
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}
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}
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enabled_uniform_buffer_masks = mask;
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@ -1016,14 +1019,18 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
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TouchBuffer(buffer);
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const bool use_fast_buffer = binding.buffer_id != NULL_BUFFER_ID &&
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size <= uniform_buffer_skip_cache_size &&
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!buffer.IsRegionGpuModified(cpu_addr, size);
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!buffer.IsRegionGpuModified(cpu_addr, size) && false;
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if (use_fast_buffer) {
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if constexpr (IS_OPENGL) {
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if (runtime.HasFastBufferSubData()) {
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// Fast path for Nvidia
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if (!HasFastUniformBufferBound(stage, binding_index)) {
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const bool should_fast_bind =
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!HasFastUniformBufferBound(stage, binding_index) ||
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uniform_buffer_binding_sizes[stage][binding_index] != size;
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if (should_fast_bind) {
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// We only have to bind when the currently bound buffer is not the fast version
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fast_bound_uniform_buffers[stage] |= 1U << binding_index;
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uniform_buffer_binding_sizes[stage][binding_index] = size;
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runtime.BindFastUniformBuffer(stage, binding_index, size);
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}
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const auto span = ImmediateBufferWithData(cpu_addr, size);
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@ -1033,6 +1040,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
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}
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if constexpr (IS_OPENGL) {
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fast_bound_uniform_buffers[stage] |= 1U << binding_index;
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uniform_buffer_binding_sizes[stage][binding_index] = size;
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}
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// Stream buffer path to avoid stalling on non-Nvidia drivers or Vulkan
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const std::span<u8> span = runtime.BindMappedUniformBuffer(stage, binding_index, size);
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@ -1046,9 +1054,13 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
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}
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++uniform_cache_shots[0];
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if (!needs_bind && !HasFastUniformBufferBound(stage, binding_index)) {
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// Skip binding if it's not needed and if the bound buffer is not the fast version
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// This exists to avoid instances where the fast buffer is bound and a GPU write happens
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needs_bind |= HasFastUniformBufferBound(stage, binding_index);
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if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
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needs_bind |= uniform_buffer_binding_sizes[stage][binding_index] != size;
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}
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if (!needs_bind) {
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return;
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}
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const u32 offset = buffer.Offset(cpu_addr);
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@ -1060,6 +1072,9 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
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const bool is_copy_bind = offset != 0 && !runtime.SupportsNonZeroUniformOffset();
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dirty_uniform_buffers[stage] |= (is_copy_bind ? 1U : 0U) << index;
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}
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if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
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uniform_buffer_binding_sizes[stage][binding_index] = size;
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}
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if constexpr (NEEDS_BIND_UNIFORM_INDEX) {
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runtime.BindUniformBuffer(stage, binding_index, buffer, offset, size);
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} else {
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@ -1725,6 +1740,7 @@ template <class P>
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void BufferCache<P>::NotifyBufferDeletion() {
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if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
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dirty_uniform_buffers.fill(~u32{0});
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uniform_buffer_binding_sizes.fill({});
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}
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auto& flags = maxwell3d.dirty.flags;
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flags[Dirty::IndexBuffer] = true;
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