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graphics: Fix some comments to adjust 80 chars in one line

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Hajime Hoshi 2019-01-21 11:58:41 +09:00
parent 29211238d3
commit 8f3ef39d74
1 changed files with 16 additions and 13 deletions
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29
image.go
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@ -201,13 +201,12 @@ func (i *Image) disposeMipmaps() {
// DrawImage draws the given image on the image i.
//
// DrawImage accepts the options. For details, see the document of DrawImageOptions.
// DrawImage accepts the options. For details, see the document of
// DrawImageOptions.
//
// DrawImage determines the part to draw, then DrawImage applies the geometry matrix and the color matrix.
//
// For drawing, the pixels of the argument image at the time of this call is adopted.
// Even if the argument image is mutated after this call,
// the drawing result is never affected.
// For drawing, the pixels of the argument image at the time of this call is
// adopted. Even if the argument image is mutated after this call, the drawing
// result is never affected.
//
// When the image i is disposed, DrawImage does nothing.
// When the given image img is disposed, DrawImage panics.
@ -215,18 +214,22 @@ func (i *Image) disposeMipmaps() {
// When the given image is as same as i, DrawImage panics.
//
// DrawImage works more efficiently as batches
// when the successive calls of DrawImages satisfies the below conditions:
// when the successive calls of DrawImages satisfy the below conditions:
//
// * All render targets are same (A in A.DrawImage(B, op))
// * Either all ColorM element values are same or all the ColorM have only diagonal ('scale') elements
// * (*ColorM).Scale modifies only diagonal elements. Other ColorM functions might modify the other elements.
// * Either all ColorM element values are same or all the ColorM have only
// diagonal ('scale') elements
// * (*ColorM).Scale modifies only diagonal elements. Other ColorM functions
// might modify the other elements.
// * All CompositeMode values are same
// * All Filter values are same
//
// Even when all the above conditions are satisfied, multiple draw commands can be used in really rare cases. Ebiten
// images usually share an internal automatic texture atlas, but when you consume the atlas, or you create a huge
// image, those images cannot be on the same texture atlas. In this case, draw commands are separated. The texture
// atlas size is 4096x4096 so far. Another case is when you use an offscreen as a render source. An offscreen doesn't
// Even when all the above conditions are satisfied, multiple draw commands can
// be used in really rare cases. Ebiten images usually share an internal
// automatic texture atlas, but when you consume the atlas, or you create a huge
// image, those images cannot be on the same texture atlas. In this case, draw
// commands are separated. The texture atlas size is 4096x4096 so far. Another
// case is when you use an offscreen as a render source. An offscreen doesn't
// share the texture atlas with high probability.
//
// For more performance tips, see https://github.com/hajimehoshi/ebiten/wiki/Performance-Tips.