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[core] Get rid of mbgl/util/vec4 - use vec4 from vec.hpp instead

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This commit is contained in:
Bruno de Oliveira Abinader
2016-02-09 12:47:38 +02:00
parent f3fc87261c
commit 1d984d2bb2
7 changed files with 52 additions and 106 deletions
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8
include/mbgl/util/mat4.hpp
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@@ -23,11 +23,13 @@
#ifndef MBGL_UTIL_MAT4
#define MBGL_UTIL_MAT4
#include <mbgl/util/vec.hpp>
#include <array>
namespace mbgl {
typedef std::array<double, 16> mat4;
using mat4 = std::array<double, 16>;
namespace matrix {
@@ -43,7 +45,9 @@ void rotate_z(mat4& out, const mat4& a, double rad);
void scale(mat4& out, const mat4& a, double x, double y, double z);
void multiply(mat4& out, const mat4& a, const mat4& b);
void transformMat4(vec4<double>& out, vec4<double>& a, mat4& m);
} // namespace matrix
} // namespace mbgl
#endif
#endif // MBGL_UTIL_MAT4

2
include/mbgl/util/vec.hpp
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@@ -122,4 +122,4 @@ struct vec4 {
} // namespace mbgl
#endif
#endif // MBGL_UTIL_VEC

36
src/mbgl/map/transform_state.cpp
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@@ -5,7 +5,7 @@
#include <mbgl/util/interpolate.hpp>
#include <mbgl/util/math.hpp>
using namespace mbgl;
namespace mbgl {
TransformState::TransformState(ConstrainMode constrainMode_)
: constrainMode(constrainMode_)
@@ -278,10 +278,10 @@ LatLng TransformState::coordinateToLatLng(const TileCoordinate& coord) const {
PrecisionPoint TransformState::coordinateToPoint(const TileCoordinate& coord) const {
mat4 mat = coordinatePointMatrix(coord.zoom);
matrix::vec4 p;
matrix::vec4 c = {{ coord.column, coord.row, 0, 1 }};
vec4<double> p;
vec4<double> c = { coord.column, coord.row, 0, 1 };
matrix::transformMat4(p, c, mat);
return { p[0] / p[3], height - p[1] / p[3] };
return { p.x / p.w, height - p.y / p.w };
}
TileCoordinate TransformState::pointToCoordinate(const PrecisionPoint& point) const {
@@ -302,24 +302,24 @@ TileCoordinate TransformState::pointToCoordinate(const PrecisionPoint& point) co
// unproject two points to get a line and then find the point on that
// line with z=0
matrix::vec4 coord0;
matrix::vec4 coord1;
matrix::vec4 point0 = {{ point.x, flippedY, 0, 1 }};
matrix::vec4 point1 = {{ point.x, flippedY, 1, 1 }};
vec4<double> coord0;
vec4<double> coord1;
vec4<double> point0 = { point.x, flippedY, 0, 1 };
vec4<double> point1 = { point.x, flippedY, 1, 1 };
matrix::transformMat4(coord0, point0, inverted);
matrix::transformMat4(coord1, point1, inverted);
double w0 = coord0[3];
double w1 = coord1[3];
double x0 = coord0[0] / w0;
double x1 = coord1[0] / w1;
double y0 = coord0[1] / w0;
double y1 = coord1[1] / w1;
double z0 = coord0[2] / w0;
double z1 = coord1[2] / w1;
double w0 = coord0.w;
double w1 = coord1.w;
double x0 = coord0.x / w0;
double x1 = coord1.x / w1;
double y0 = coord0.y / w0;
double y1 = coord1.y / w1;
double z0 = coord0.z / w0;
double z1 = coord1.z / w1;
double t = z0 == z1 ? 0 : (targetZ - z0) / (z1 - z0);
return { util::interpolate(x0, x1, t), util::interpolate(y0, y1, t), tileZoom };
}
@@ -413,3 +413,5 @@ void TransformState::setScalePoint(const double newScale, const PrecisionPoint &
Bc = worldSize() / 360;
Cc = worldSize() / util::M2PI;
}
} // namespace mbgl

1
src/mbgl/map/transform_state.hpp
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@@ -6,7 +6,6 @@
#include <mbgl/util/constants.hpp>
#include <mbgl/util/vec.hpp>
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/vec4.hpp>
#include <cstdint>
#include <array>

38
src/mbgl/util/mat4.cpp
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@@ -21,12 +21,15 @@
// 3. This notice may not be removed or altered from any source distribution.
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/vec.hpp>
#include <cmath>
using namespace mbgl;
namespace mbgl {
void matrix::identity(mat4& out) {
namespace matrix {
void identity(mat4& out) {
out[0] = 1.0f;
out[1] = 0.0f;
out[2] = 0.0f;
@@ -45,7 +48,7 @@ void matrix::identity(mat4& out) {
out[15] = 1.0f;
}
bool matrix::invert(mat4& out, mat4& a) {
bool invert(mat4& out, mat4& a) {
double a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
@@ -92,7 +95,7 @@ bool matrix::invert(mat4& out, mat4& a) {
return false;
}
void matrix::ortho(mat4& out, double left, double right, double bottom, double top, double near, double far) {
void ortho(mat4& out, double left, double right, double bottom, double top, double near, double far) {
double lr = 1.0f / (left - right),
bt = 1.0f / (bottom - top),
nf = 1.0f / (near - far);
@@ -114,7 +117,7 @@ void matrix::ortho(mat4& out, double left, double right, double bottom, double t
out[15] = 1.0f;
}
void matrix::perspective(mat4& out, double fovy, double aspect, double near, double far) {
void perspective(mat4& out, double fovy, double aspect, double near, double far) {
double f = 1.0f / std::tan(fovy / 2.0f),
nf = 1.0f / (near - far);
out[0] = f / aspect;
@@ -135,7 +138,7 @@ void matrix::perspective(mat4& out, double fovy, double aspect, double near, dou
out[15] = 0.0f;
}
void matrix::copy(mat4& out, const mat4& a) {
void copy(mat4& out, const mat4& a) {
out[0] = a[0];
out[1] = a[1];
out[2] = a[2];
@@ -154,7 +157,7 @@ void matrix::copy(mat4& out, const mat4& a) {
out[15] = a[15];
}
void matrix::translate(mat4& out, const mat4& a, double x, double y, double z) {
void translate(mat4& out, const mat4& a, double x, double y, double z) {
if (&a == &out) {
out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
@@ -180,7 +183,7 @@ void matrix::translate(mat4& out, const mat4& a, double x, double y, double z) {
}
}
void matrix::rotate_x(mat4& out, const mat4& a, double rad) {
void rotate_x(mat4& out, const mat4& a, double rad) {
double s = std::sin(rad),
c = std::cos(rad),
a10 = a[4],
@@ -214,7 +217,7 @@ void matrix::rotate_x(mat4& out, const mat4& a, double rad) {
out[11] = a23 * c - a13 * s;
}
void matrix::rotate_y(mat4& out, const mat4& a, double rad) {
void rotate_y(mat4& out, const mat4& a, double rad) {
double s = std::sin(rad),
c = std::cos(rad),
a00 = a[0],
@@ -248,7 +251,7 @@ void matrix::rotate_y(mat4& out, const mat4& a, double rad) {
out[11] = a03 * s + a23 * c;
}
void matrix::rotate_z(mat4& out, const mat4& a, double rad) {
void rotate_z(mat4& out, const mat4& a, double rad) {
double s = std::sin(rad),
c = std::cos(rad),
a00 = a[0],
@@ -282,7 +285,7 @@ void matrix::rotate_z(mat4& out, const mat4& a, double rad) {
out[7] = a13 * c - a03 * s;
}
void matrix::scale(mat4& out, const mat4& a, double x, double y, double z) {
void scale(mat4& out, const mat4& a, double x, double y, double z) {
out[0] = a[0] * x;
out[1] = a[1] * x;
out[2] = a[2] * x;
@@ -301,7 +304,7 @@ void matrix::scale(mat4& out, const mat4& a, double x, double y, double z) {
out[15] = a[15];
}
void matrix::multiply(mat4& out, const mat4& a, const mat4& b) {
void multiply(mat4& out, const mat4& a, const mat4& b) {
double a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
@@ -332,3 +335,14 @@ void matrix::multiply(mat4& out, const mat4& a, const mat4& b) {
out[14] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32;
out[15] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33;
}
void transformMat4(vec4<double>& out, vec4<double>& a, mat4& m) {
out.x = m[0] * a.x + m[4] * a.y + m[8] * a.z + m[12] * a.w;
out.y = m[1] * a.x + m[5] * a.y + m[9] * a.z + m[13] * a.w;
out.z = m[2] * a.x + m[6] * a.y + m[10] * a.z + m[14] * a.w;
out.w = m[3] * a.x + m[7] * a.y + m[11] * a.z + m[15] * a.w;
}
} // namespace matrix
} // namespace mbgl

33
src/mbgl/util/vec4.cpp
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@@ -1,33 +0,0 @@
// This is an incomplete port of http://glmatrix.net/
//
// Copyright (c) 2013 Brandon Jones, Colin MacKenzie IV
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the
// use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not claim
// that you wrote the original software. If you use this software in a
// product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
#include <mbgl/util/vec4.hpp>
using namespace mbgl;
void matrix::transformMat4(vec4& out, vec4& a, mat4& m) {
double x = a[0], y = a[1], z = a[2], w = a[3];
out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w;
out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w;
out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w;
out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w;
}

40
src/mbgl/util/vec4.hpp
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@@ -1,40 +0,0 @@
// This is an incomplete port of http://glmatrix.net/
//
// Copyright (c) 2013 Brandon Jones, Colin MacKenzie IV
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the
// use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not claim
// that you wrote the original software. If you use this software in a
// product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
#ifndef MBGL_UTIL_VEC4
#define MBGL_UTIL_VEC4
#include <array>
#include <mbgl/util/mat4.hpp>
namespace mbgl {
namespace matrix {
typedef std::array<double, 4> vec4;
void transformMat4(vec4& out, vec4& a, mat4& m);
} // namespace matrix
} // namespace mbgl
#endif