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gl_buffer_cache: Mark buffers as resident

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Make stream buffer and cached buffers as resident and query their
address. This allows us to use GPU addresses for several proprietary
Nvidia extensions.
This commit is contained in:
ReinUsesLisp 2020-05-11 16:35:04 -03:00
parent 6a2fd26768
commit 0669209db6
10 changed files with 111 additions and 67 deletions
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21
src/video_core/buffer_cache/buffer_cache.h
View file

@ -41,7 +41,11 @@ class BufferCache {
static constexpr u64 BLOCK_PAGE_SIZE = 1ULL << BLOCK_PAGE_BITS;
public:
using BufferInfo = std::pair<BufferType, u64>;
struct BufferInfo {
BufferType handle;
u64 offset;
u64 address;
};
BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
bool is_written = false, bool use_fast_cbuf = false) {
@ -50,7 +54,7 @@ public:
auto& memory_manager = system.GPU().MemoryManager();
const std::optional<VAddr> cpu_addr_opt = memory_manager.GpuToCpuAddress(gpu_addr);
if (!cpu_addr_opt) {
return {GetEmptyBuffer(size), 0};
return GetEmptyBuffer(size);
}
const VAddr cpu_addr = *cpu_addr_opt;
@ -88,7 +92,7 @@ public:
Buffer* const block = GetBlock(cpu_addr, size);
MapInterval* const map = MapAddress(block, gpu_addr, cpu_addr, size);
if (!map) {
return {GetEmptyBuffer(size), 0};
return GetEmptyBuffer(size);
}
if (is_written) {
map->MarkAsModified(true, GetModifiedTicks());
@ -101,7 +105,7 @@ public:
}
}
return {block->Handle(), static_cast<u64>(block->Offset(cpu_addr))};
return BufferInfo{block->Handle(), block->Offset(cpu_addr), block->Address()};
}
/// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset.
@ -254,13 +258,12 @@ public:
committed_flushes.pop_front();
}
virtual BufferType GetEmptyBuffer(std::size_t size) = 0;
virtual BufferInfo GetEmptyBuffer(std::size_t size) = 0;
protected:
explicit BufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
std::unique_ptr<StreamBuffer> stream_buffer_)
: rasterizer{rasterizer}, system{system}, stream_buffer{std::move(stream_buffer_)},
stream_buffer_handle{stream_buffer->Handle()} {}
std::unique_ptr<StreamBuffer> stream_buffer)
: rasterizer{rasterizer}, system{system}, stream_buffer{std::move(stream_buffer)} {}
~BufferCache() = default;
@ -449,7 +452,7 @@ private:
buffer_ptr += size;
buffer_offset += size;
return {stream_buffer_handle, uploaded_offset};
return BufferInfo{stream_buffer->Handle(), uploaded_offset, stream_buffer->Address()};
}
void AlignBuffer(std::size_t alignment) {