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graphics: Remove PutQuadVertices

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This commit is contained in:
Hajime Hoshi 2019-09-21 04:13:32 +09:00
parent 6095cd965b
commit 629d58b93a
2 changed files with 10 additions and 38 deletions
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15
internal/graphics/vertices.go
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@ -19,21 +19,6 @@ const (
VertexFloatNum = 12
)
type VertexPutter interface {
PutVertex(dst []float32, dx, dy, sx, sy float32, bx0, by0, bx1, by1 float32, cr, cg, cb, ca float32)
}
func PutQuadVertices(dst []float32, putter VertexPutter, sx0, sy0, sx1, sy1 int, a, b, c, d, tx, ty float32, cr, cg, cb, ca float32) {
x := float32(sx1 - sx0)
y := float32(sy1 - sy0)
ax, by, cx, dy := a*x, b*y, c*x, d*y
u0, v0, u1, v1 := float32(sx0), float32(sy0), float32(sx1), float32(sy1)
putter.PutVertex(dst[:VertexFloatNum], tx, ty, u0, v0, u0, v0, u1, v1, cr, cg, cb, ca)
putter.PutVertex(dst[VertexFloatNum:2*VertexFloatNum], ax+tx, cx+ty, u1, v0, u0, v0, u1, v1, cr, cg, cb, ca)
putter.PutVertex(dst[2*VertexFloatNum:3*VertexFloatNum], by+tx, dy+ty, u0, v1, u0, v0, u1, v1, cr, cg, cb, ca)
putter.PutVertex(dst[3*VertexFloatNum:4*VertexFloatNum], ax+by+tx, cx+dy+ty, u1, v1, u0, v0, u1, v1, cr, cg, cb, ca)
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)

33
internal/graphicscommand/image_test.go
View File

@ -43,24 +43,13 @@ func TestMain(m *testing.M) {
os.Exit(code)
}
type testVertexPutter struct {
w float32
h float32
}
func (t *testVertexPutter) PutVertex(vs []float32, dx, dy, sx, sy float32, bx0, by0, bx1, by1 float32, cr, cg, cb, ca float32) {
vs[0] = dx
vs[1] = dy
vs[2] = sx
vs[3] = sy
vs[4] = bx0
vs[5] = by0
vs[6] = bx1
vs[7] = by1
vs[8] = cr
vs[9] = cg
vs[10] = cb
vs[11] = ca
func quadVertices(w, h float32) []float32 {
return []float32{
0, 0, 0, 0, 0, 0, w, h, 1, 1, 1, 1,
w, 0, w, 0, 0, 0, w, h, 1, 1, 1, 1,
0, w, 0, h, 0, 0, w, h, 1, 1, 1, 1,
w, h, w, h, 0, 0, w, h, 1, 1, 1, 1,
}
}
func TestClear(t *testing.T) {
@ -68,8 +57,7 @@ func TestClear(t *testing.T) {
src := NewImage(w/2, h/2)
dst := NewImage(w, h)
vs := make([]float32, 4*graphics.VertexFloatNum)
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w/2, h/2, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
vs := quadVertices(w/2, h/2)
is := graphics.QuadIndices()
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressClampToZero)
@ -94,10 +82,9 @@ func TestReplacePixelsPartAfterDrawTriangles(t *testing.T) {
}()
const w, h = 32, 32
clr := NewImage(w, h)
src := NewImage(16, 16)
src := NewImage(w/2, h/2)
dst := NewImage(w, h)
vs := make([]float32, 4*graphics.VertexFloatNum)
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w, h, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
vs := quadVertices(w/2, h/2)
is := graphics.QuadIndices()
dst.DrawTriangles(clr, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressClampToZero)
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)