diff options
Diffstat (limited to 'src/video_core/renderer_vulkan/vk_rasterizer.cpp')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_rasterizer.cpp | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp index 8a1f57891..68464e637 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp +++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp @@ -877,8 +877,12 @@ void RasterizerVulkan::SetupVertexArrays(FixedPipelineState::VertexInput& vertex const GPUVAddr start{vertex_array.StartAddress()}; const GPUVAddr end{regs.vertex_array_limit[index].LimitAddress()}; - ASSERT(end > start); - const std::size_t size{end - start + 1}; + ASSERT(end >= start); + const std::size_t size{end - start}; + if (size == 0) { + buffer_bindings.AddVertexBinding(DefaultBuffer(), 0); + continue; + } const auto [buffer, offset] = buffer_cache.UploadMemory(start, size); buffer_bindings.AddVertexBinding(buffer, offset); } @@ -1033,8 +1037,7 @@ void RasterizerVulkan::SetupConstBuffer(const ConstBufferEntry& entry, const Tegra::Engines::ConstBufferInfo& buffer) { if (!buffer.enabled) { // Set values to zero to unbind buffers - update_descriptor_queue.AddBuffer(buffer_cache.GetEmptyBuffer(sizeof(float)), 0, - sizeof(float)); + update_descriptor_queue.AddBuffer(DefaultBuffer(), 0, DEFAULT_BUFFER_SIZE); return; } @@ -1057,7 +1060,9 @@ void RasterizerVulkan::SetupGlobalBuffer(const GlobalBufferEntry& entry, GPUVAdd if (size == 0) { // Sometimes global memory pointers don't have a proper size. Upload a dummy entry // because Vulkan doesn't like empty buffers. - constexpr std::size_t dummy_size = 4; + // Note: Do *not* use DefaultBuffer() here, storage buffers can be written breaking the + // default buffer. + static constexpr std::size_t dummy_size = 4; const auto buffer = buffer_cache.GetEmptyBuffer(dummy_size); update_descriptor_queue.AddBuffer(buffer, 0, dummy_size); return; @@ -1222,7 +1227,7 @@ std::size_t RasterizerVulkan::CalculateVertexArraysSize() const { const GPUVAddr end{regs.vertex_array_limit[index].LimitAddress()}; DEBUG_ASSERT(end >= start); - size += (end - start + 1) * regs.vertex_array[index].enable; + size += (end - start) * regs.vertex_array[index].enable; } return size; } @@ -1269,4 +1274,29 @@ RenderPassParams RasterizerVulkan::GetRenderPassParams(Texceptions texceptions) return renderpass_params; } +VkBuffer RasterizerVulkan::DefaultBuffer() { + if (default_buffer) { + return *default_buffer; + } + + VkBufferCreateInfo ci; + ci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + ci.pNext = nullptr; + ci.flags = 0; + ci.size = DEFAULT_BUFFER_SIZE; + ci.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | + VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; + ci.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + ci.queueFamilyIndexCount = 0; + ci.pQueueFamilyIndices = nullptr; + default_buffer = device.GetLogical().CreateBuffer(ci); + default_buffer_commit = memory_manager.Commit(default_buffer, false); + + scheduler.RequestOutsideRenderPassOperationContext(); + scheduler.Record([buffer = *default_buffer](vk::CommandBuffer cmdbuf) { + cmdbuf.FillBuffer(buffer, 0, DEFAULT_BUFFER_SIZE, 0); + }); + return *default_buffer; +} + } // namespace Vulkan |