30 lines
875 B
C++
30 lines
875 B
C++
#include <cstring>
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#include "buffer.h"
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// Setup Buffer
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Buffer::Buffer(const ssize_t size) {
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// Client-Side Data
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client_side_data = new unsigned char[size];
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// Server-Side Data
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server_side_data = 0;
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media_glGenBuffers(1, &server_side_data);
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media_glBindBuffer(GL_ARRAY_BUFFER, server_side_data);
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media_glBufferData(GL_ARRAY_BUFFER, size, nullptr, GL_DYNAMIC_DRAW);
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}
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Buffer::~Buffer() {
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// Client-Side Data
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delete[] client_side_data;
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// Server-Side Data
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media_glDeleteBuffers(1, &server_side_data);
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}
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// Upload Data
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void Buffer::upload(const intptr_t offset, const ssize_t size, const void *data) const {
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// Client-Side Data
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memcpy(client_side_data + offset, data, size);
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// Server-Side Data
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media_glBindBuffer(GL_ARRAY_BUFFER, server_side_data);
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media_glBufferSubData(GL_ARRAY_BUFFER, offset, size, data);
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}
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