diff options
Diffstat (limited to 'src/helpers/math/Math.cpp')
-rw-r--r-- | src/helpers/math/Math.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/helpers/math/Math.cpp b/src/helpers/math/Math.cpp index fccfd636..d111690e 100644 --- a/src/helpers/math/Math.cpp +++ b/src/helpers/math/Math.cpp @@ -1,6 +1,4 @@ #include "Math.hpp" -#include <unordered_map> -#include <cstring> Hyprutils::Math::eTransform wlTransformToHyprutils(wl_output_transform t) { switch (t) { @@ -17,124 +15,6 @@ Hyprutils::Math::eTransform wlTransformToHyprutils(wl_output_transform t) { return Hyprutils::Math::eTransform::HYPRUTILS_TRANSFORM_NORMAL; } -void matrixIdentity(float mat[9]) { - static const float identity[9] = { - 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, - }; - memcpy(mat, identity, sizeof(identity)); -} - -void matrixMultiply(float mat[9], const float a[9], const float b[9]) { - float product[9]; - - product[0] = a[0] * b[0] + a[1] * b[3] + a[2] * b[6]; - product[1] = a[0] * b[1] + a[1] * b[4] + a[2] * b[7]; - product[2] = a[0] * b[2] + a[1] * b[5] + a[2] * b[8]; - - product[3] = a[3] * b[0] + a[4] * b[3] + a[5] * b[6]; - product[4] = a[3] * b[1] + a[4] * b[4] + a[5] * b[7]; - product[5] = a[3] * b[2] + a[4] * b[5] + a[5] * b[8]; - - product[6] = a[6] * b[0] + a[7] * b[3] + a[8] * b[6]; - product[7] = a[6] * b[1] + a[7] * b[4] + a[8] * b[7]; - product[8] = a[6] * b[2] + a[7] * b[5] + a[8] * b[8]; - - memcpy(mat, product, sizeof(product)); -} - -void matrixTranspose(float mat[9], const float a[9]) { - float transposition[9] = { - a[0], a[3], a[6], a[1], a[4], a[7], a[2], a[5], a[8], - }; - memcpy(mat, transposition, sizeof(transposition)); -} - -void matrixTranslate(float mat[9], float x, float y) { - float translate[9] = { - 1.0f, 0.0f, x, 0.0f, 1.0f, y, 0.0f, 0.0f, 1.0f, - }; - matrixMultiply(mat, mat, translate); -} - -void matrixScale(float mat[9], float x, float y) { - float scale[9] = { - x, 0.0f, 0.0f, 0.0f, y, 0.0f, 0.0f, 0.0f, 1.0f, - }; - matrixMultiply(mat, mat, scale); -} - -void matrixRotate(float mat[9], float rad) { - float rotate[9] = { - cos(rad), -sin(rad), 0.0f, sin(rad), cos(rad), 0.0f, 0.0f, 0.0f, 1.0f, - }; - matrixMultiply(mat, mat, rotate); -} - -const std::unordered_map<eTransform, std::array<float, 9>>& getTransforms() { - static std::unordered_map<eTransform, std::array<float, 9>> transforms = { - {HYPRUTILS_TRANSFORM_NORMAL, {1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_90, {0.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_180, {-1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_270, {0.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_FLIPPED, {-1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_FLIPPED_90, {0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_FLIPPED_180, {1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - {HYPRUTILS_TRANSFORM_FLIPPED_270, {0.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}}, - }; - return transforms; -} - -void matrixTransform(float mat[9], eTransform transform) { - matrixMultiply(mat, mat, getTransforms().at(transform).data()); -} - -void matrixProjection(float mat[9], int width, int height, eTransform transform) { - memset(mat, 0, sizeof(*mat) * 9); - - const float* t = getTransforms().at(transform).data(); - float x = 2.0f / width; - float y = 2.0f / height; - - // Rotation + reflection - mat[0] = x * t[0]; - mat[1] = x * t[1]; - mat[3] = y * -t[3]; - mat[4] = y * -t[4]; - - // Translation - mat[2] = -copysign(1.0f, mat[0] + mat[1]); - mat[5] = -copysign(1.0f, mat[3] + mat[4]); - - // Identity - mat[8] = 1.0f; -} - -void projectBox(float mat[9], CBox& box, eTransform transform, float rotation, const float projection[9]) { - double x = box.x; - double y = box.y; - double width = box.width; - double height = box.height; - - matrixIdentity(mat); - matrixTranslate(mat, x, y); - - if (rotation != 0) { - matrixTranslate(mat, width / 2, height / 2); - matrixRotate(mat, rotation); - matrixTranslate(mat, -width / 2, -height / 2); - } - - matrixScale(mat, width, height); - - if (transform != HYPRUTILS_TRANSFORM_NORMAL) { - matrixTranslate(mat, 0.5, 0.5); - matrixTransform(mat, transform); - matrixTranslate(mat, -0.5, -0.5); - } - - matrixMultiply(mat, projection, mat); -} - wl_output_transform invertTransform(wl_output_transform tr) { if ((tr & WL_OUTPUT_TRANSFORM_90) && !(tr & WL_OUTPUT_TRANSFORM_FLIPPED)) tr = (wl_output_transform)(tr ^ (int)WL_OUTPUT_TRANSFORM_180); |