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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
View File

@ -19,21 +19,6 @@ const (
VertexFloatNum = 12 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 ( var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3} quadIndices = []uint16{0, 1, 2, 1, 2, 3}
) )

31
internal/graphicscommand/image_test.go
View File

@ -43,24 +43,13 @@ func TestMain(m *testing.M) {
os.Exit(code) os.Exit(code)
} }
type testVertexPutter struct { func quadVertices(w, h float32) []float32 {
w float32 return []float32{
h 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 (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 TestClear(t *testing.T) { func TestClear(t *testing.T) {
@ -68,8 +57,7 @@ func TestClear(t *testing.T) {
src := NewImage(w/2, h/2) src := NewImage(w/2, h/2)
dst := NewImage(w, h) dst := NewImage(w, h)
vs := make([]float32, 4*graphics.VertexFloatNum) vs := quadVertices(w/2, h/2)
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w/2, h/2, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
is := graphics.QuadIndices() is := graphics.QuadIndices()
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressClampToZero) 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 const w, h = 32, 32
clr := NewImage(w, h) clr := NewImage(w, h)
src := NewImage(16, 16) src := NewImage(w/2, h/2)
dst := NewImage(w, h) dst := NewImage(w, h)
vs := make([]float32, 4*graphics.VertexFloatNum) vs := quadVertices(w/2, h/2)
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w, h, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
is := graphics.QuadIndices() is := graphics.QuadIndices()
dst.DrawTriangles(clr, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressClampToZero) dst.DrawTriangles(clr, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressClampToZero)
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero) dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)