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[glsl] Use vec4f_t in a few more places

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No idea if it makes a noticeable speed difference, but it makes a huge
readability difference.
This commit is contained in:
Bill Currie 2021-03-10 21:17:34 +09:00
parent 62cce7f98c
commit c05a15dec5
1 changed files with 10 additions and 10 deletions
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20
libs/video/renderer/glsl/glsl_sprite.c
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@ -183,20 +183,20 @@ static void
make_quad (mspriteframe_t *frame, vec4f_t vpn, vec4f_t vright,
vec4f_t vup, float verts[6][3])
{
vec3_t left, up, right, down;
vec3_t ul, ur, ll, lr;
vec4f_t left, up, right, down;
vec4f_t ul, ur, ll, lr;
// build the sprite poster in worldspace
// first, rotate the sprite axes into world space
VectorScale (vright, frame->right, right);
VectorScale (vup, frame->up, up);
VectorScale (vright, frame->left, left);
VectorScale (vup, frame->down, down);
right = frame->right * vright;
up = frame->up * vup;
left = frame->left * vright;
down = frame->down * vup;
// next, build the sprite corners from the axes
VectorAdd (up, left, ul);
VectorAdd (up, right, ur);
VectorAdd (down, left, ll);
VectorAdd (down, right, lr);
ul = up + left;
ur = up + right;
ll = down + left;
lr = down + right;
// finally, translate the sprite corners, creating two triangles
VectorAdd (currententity->origin, ul, verts[0]); // first triangle
VectorAdd (currententity->origin, ur, verts[1]);