59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
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#include "ogl.h"
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#include <Kore/Graphics3/Graphics.h>
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using namespace Kore;
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Graphics3::IndexBuffer *IndexBufferImpl::current = nullptr;
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IndexBufferImpl::IndexBufferImpl(int count) : myCount(count) {}
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Graphics3::IndexBuffer::IndexBuffer(int indexCount) : IndexBufferImpl(indexCount) {
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glGenBuffers(1, &bufferId);
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glCheckErrors();
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data = new int[indexCount];
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#if defined(KINC_ANDROID) || defined(KINC_RASPBERRY_PI)
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shortData = new u16[indexCount];
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#endif
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}
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Graphics3::IndexBuffer::~IndexBuffer() {
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unset();
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delete[] data;
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}
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int *Graphics3::IndexBuffer::lock() {
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return data;
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}
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void Graphics3::IndexBuffer::unlock() {
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#if defined(KINC_ANDROID) || defined(KINC_RASPBERRY_PI)
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for (int i = 0; i < myCount; ++i)
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shortData[i] = (u16)data[i];
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#endif
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferId);
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glCheckErrors();
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#if defined(KINC_ANDROID) || defined(KINC_RASPBERRY_PI)
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, myCount * 2, shortData, GL_STATIC_DRAW);
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glCheckErrors();
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#else
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, myCount * 4, data, GL_STATIC_DRAW);
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glCheckErrors();
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#endif
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}
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void Graphics3::IndexBuffer::_set() {
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current = this;
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferId);
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glCheckErrors();
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}
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void IndexBufferImpl::unset() {
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if ((void *)current == (void *)this)
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current = nullptr;
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}
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int Graphics3::IndexBuffer::count() {
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return myCount;
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}
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