55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
#pragma once
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#include <iterator>
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#include <algorithm>
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#include "video_core/pica.h"
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#include "video_core/shader/shader.h"
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namespace Pica {
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class MemoryAccesses {
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/// Combine overlapping and close ranges
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void SimplifyRanges() {
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for (auto it = ranges.begin(); it != ranges.end(); ++it) {
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// NOTE: We add 32 to the range end address to make sure "close" ranges are combined, too
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auto it2 = std::next(it);
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while (it2 != ranges.end() && it->first + it->second + 32 >= it2->first) {
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it->second = std::max(it->second, it2->first + it2->second - it->first);
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it2 = ranges.erase(it2);
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}
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}
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}
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public:
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/// Record a particular memory access in the list
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void AddAccess(u32 paddr, u32 size) {
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// Create new range or extend existing one
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ranges[paddr] = std::max(ranges[paddr], size);
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// Simplify ranges...
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SimplifyRanges();
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}
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/// Map of accessed ranges (mapping start address to range size)
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std::map<u32, u32> ranges;
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};
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class VertexLoader {
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public:
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void Setup(const Pica::Regs& regs);
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void LoadVertex(u32 base_address, int index, int vertex, Shader::InputVertex& input, MemoryAccesses& memory_accesses);
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int GetNumTotalAttributes() const { return num_total_attributes; }
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private:
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u32 vertex_attribute_sources[16];
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u32 vertex_attribute_strides[16] = {};
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Regs::VertexAttributeFormat vertex_attribute_formats[16] = {};
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u32 vertex_attribute_elements[16] = {};
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bool vertex_attribute_is_default[16];
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int num_total_attributes;
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};
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} // namespace Pica
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