72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include "iAllocator.h"
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namespace gj {
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template <typename T>
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class Rasterbuffer {
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public:
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Rasterbuffer() = delete;
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Rasterbuffer(const Rasterbuffer&) = delete;
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Rasterbuffer& operator=(const Rasterbuffer&) = delete;
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Rasterbuffer(iAllocator* alloc, uint32_t w, uint32_t h) :
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alloc_(alloc), w_(w), h_(h),
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buf_(alloc->Alloc<T>(static_cast<uint64_t>(w_)*h_)) {
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_ASSERT(buf_ != nullptr);
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}
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~Rasterbuffer() {
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alloc_->Free(buf_);
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}
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Rasterbuffer(Rasterbuffer&& src) noexcept :
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alloc_(src.alloc_), w_(src.w_), h_(src.h_), buf_(src.buf_) {
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src.buf_ = nullptr;
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}
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Rasterbuffer& operator=(Rasterbuffer&& src) noexcept {
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if (this != &src) {
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alloc_ = src.alloc_;
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w_ = src.w_;
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h_ = src.h_;
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buf_ = src.buf_;
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src.buf_ = nullptr;
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}
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return *this;
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}
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void Clear() {
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memset(buf_, 0, static_cast<uint64_t>(w_) * h_ * sizeof(T));
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}
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uint32_t width() const {
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return w_;
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}
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uint32_t height() const {
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return h_;
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}
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T* ptr() {
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return buf_;
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}
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const T* ptr() const {
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return buf_;
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}
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private:
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iAllocator* alloc_;
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uint32_t w_, h_;
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T* buf_;
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};
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using Colorbuffer = Rasterbuffer<float>;
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using Textbuffer = Rasterbuffer<char16_t>;
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}
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