GLdc/tests/test_nearz_clipping.h
2020-10-27 14:37:25 +00:00

102 lines
1.9 KiB
C++

#pragma once
#include "../utils/test.h"
#include "../GL/flush.h"
namespace {
struct VertexBuilder {
VertexBuilder& add_header() {
Vertex v;
v.flags = 100; // I dunno what this bit of memory would be
list_.push_back(std::move(v));
return *this;
}
VertexBuilder& add(float x, float y, float z, float w) {
Vertex v;
v.xyz[0] = x;
v.xyz[1] = y;
v.xyz[2] = z;
v.w = w;
return *this;
}
std::vector<Vertex> done() {
return list_;
}
private:
std::vector<Vertex> list_;
};
class NearZClippingTests : public gldc::test::GLdcTestCase {
public:
void test_clipping_100() {
/* When only the first vertex is visible, we still
* end up with 4 elements (3 vertices + 1 header). The
* first vertex should be the same */
VertexBuilder builder;
std::vector<Vertex> list = builder.
add_header().
add(1, 1, 2, 1).
add(1, 0, 2, -1).
add(0, 1, 2, -1).done();
ListIterator* it = _glIteratorBegin(&list[0], list.size());
Vertex* v0 = it->current;
assert_is_not_null(v0);
assert_false(isVertex(v0)); // Should be a header
it = _glIteratorNext(it);
assert_is_not_null(it);
Vertex* v1 = it->current;
assert_is_not_null(v1);
it = _glIteratorNext(it);
assert_is_not_null(it);
Vertex* v2 = it->current;
assert_is_not_null(v2);
it = _glIteratorNext(it);
assert_is_not_null(it);
Vertex* v3 = it->current;
assert_is_not_null(v3);
it = _glIteratorNext(it);
assert_is_null(it);
}
void test_clipping_110() {
}
void test_clipping_111() {
}
void test_clipping_101() {
}
void test_clipping_010() {
}
void test_clipping_001() {
}
void test_clipping_000() {
}
void test_clipping_011() {
}
};
}