mirror of
https://github.com/recp/cglm.git
synced 2025-12-25 04:44:58 +00:00
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
|
|
* Copyright (c), Recep Aslantas.
|
|
*
|
|
* MIT License (MIT), http://opensource.org/licenses/MIT
|
|
* Full license can be found in the LICENSE file
|
|
*/
|
|
|
|
#include "test_common.h"
|
|
#include "../../include/cglm/clipspace/persp_lh_zo.h"
|
|
#include "../../include/cglm/call/clipspace/persp_lh_zo.h"
|
|
|
|
TEST_IMPL(GLM_PREFIX, perspective_lh_zo) {
|
|
mat4 dst;
|
|
const float fovy = glm_rad(45.0f);
|
|
const float aspect = 640/480.0f;
|
|
const float zNearVal = 0.1f;
|
|
const float zFarVal = 100.0f;
|
|
|
|
GLM(perspective_lh_zo)(fovy, aspect, zNearVal, zFarVal, dst);
|
|
|
|
/* Sanity mk. I: longhand version */
|
|
ASSERT(test_eq(dst[0][0], 1.0f / (tanf(fovy / 2) * aspect)))
|
|
ASSERT(test_eq(dst[1][1], 1.0f / tanf(fovy / 2)))
|
|
ASSERT(test_eq(dst[2][2], zFarVal / (zFarVal - zNearVal)))
|
|
ASSERT(test_eq(dst[2][3], 1.0f))
|
|
ASSERT(test_eq(dst[3][2], -1 * zFarVal * zNearVal / (zFarVal - zNearVal)))
|
|
|
|
/* Sanity mk. II */
|
|
/* "Reference values" generated by GLM's glm::perspectiveLH_ZO */
|
|
mat4 cmp = {0};
|
|
cmp[0][0] = 1.8106601f;
|
|
cmp[1][1] = 2.4142134f;
|
|
cmp[2][2] = 1.0010010f;
|
|
cmp[2][3] = 1.0000000f;
|
|
cmp[3][2] = -0.1001001f;
|
|
|
|
return test_assert_mat4_eq(dst, cmp);
|
|
}
|