mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-12-24 02:38:53 +01:00
Code Issues Packages Projects Releases Wiki Activity

graphics: Bug fix: Command splitting threshold is more strict on browsers?

Browse Source
This commit is contained in:
Hajime Hoshi 2016-10-22 19:16:16 +09:00
parent 27acc5efd9
commit f21f6d357e
10 changed files with 134 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
imageparts.go
View File

@ -18,6 +18,7 @@ import (
"image"
"math"
"github.com/hajimehoshi/ebiten/internal/endian"
"github.com/hajimehoshi/ebiten/internal/graphics"
)
@ -82,9 +83,9 @@ type textureQuads struct {
height int
}
func (t *textureQuads) vertices() []int16 {
func (t *textureQuads) vertices() []uint8 {
l := t.parts.Len()
vertices := make([]int16, 0, l*16)
vertices := make([]uint8, 0, l*32)
p := t.parts
w, h := t.width, t.height
width2p := int(graphics.NextPowerOf2Int32(int32(w)))
@ -100,11 +101,27 @@ func (t *textureQuads) vertices() []int16 {
continue
}
u0, v0, u1, v1 := u(sx0, width2p), v(sy0, height2p), u(sx1, width2p), v(sy1, height2p)
vertices = append(vertices,
x0, y0, u0, v0,
x1, y0, u1, v0,
x0, y1, u0, v1,
x1, y1, u1, v1)
if endian.IsLittle() {
vertices = append(vertices,
uint8(x0), uint8(x0>>8), uint8(y0), uint8(y0>>8),
uint8(u0), uint8(u0>>8), uint8(v0), uint8(v0>>8),
uint8(x1), uint8(x1>>8), uint8(y0), uint8(y0>>8),
uint8(u1), uint8(u1>>8), uint8(v0), uint8(v0>>8),
uint8(x0), uint8(x0>>8), uint8(y1), uint8(y1>>8),
uint8(u0), uint8(u0>>8), uint8(v1), uint8(v1>>8),
uint8(x1), uint8(x1>>8), uint8(y1), uint8(y1>>8),
uint8(u1), uint8(u1>>8), uint8(v1), uint8(v1>>8))
} else {
vertices = append(vertices,
uint8(x0>>8), uint8(x0), uint8(y0>>8), uint8(y0),
uint8(u0>>8), uint8(u0), uint8(v0>>8), uint8(v0),
uint8(x1>>8), uint8(x1), uint8(y0>>8), uint8(y0),
uint8(u1>>8), uint8(u1), uint8(v0>>8), uint8(v0),
uint8(x0>>8), uint8(x0), uint8(y1>>8), uint8(y1),
uint8(u0>>8), uint8(u0), uint8(v1>>8), uint8(v1),
uint8(x1>>8), uint8(x1), uint8(y1>>8), uint8(y1),
uint8(u1>>8), uint8(u1), uint8(v1>>8), uint8(v1))
}
}
return vertices
}

25
internal/endian/endian.go Normal file
View File

@ -0,0 +1,25 @@
// Copyright 2016 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package endian
var isLittleEndian = false
func IsLittle() bool {
return isLittleEndian
}
func IsBig() bool {
return !isLittleEndian
}

36
internal/endian/js.go Normal file
View File

@ -0,0 +1,36 @@
// Copyright 2016 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build js
package endian
import (
"github.com/gopherjs/gopherjs/js"
)
func init() {
a := js.Global.Get("ArrayBuffer").New(4)
a8 := js.Global.Get("Uint8Array").New(a)
a32 := js.Global.Get("Uint32Array").New(a)
a32.SetIndex(0, 1)
switch a8.Index(0).Int() {
case 1:
isLittleEndian = true
case 0:
isLittleEndian = false
default:
panic("not reach")
}
}

34
internal/endian/nojs.go Normal file
View File

@ -0,0 +1,34 @@
// Copyright 2016 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !js
package endian
import (
"unsafe"
)
func init() {
i := int(1)
b := (*uint8)(unsafe.Pointer(&i))
switch *b {
case 1:
isLittleEndian = true
case 0:
isLittleEndian = false
default:
panic("not reach")
}
}

6
internal/graphics/command.go
View File

@ -96,7 +96,7 @@ func (q *commandQueue) Flush(context *opengl.Context) error {
// glViewport must be called at least at every frame on iOS.
context.ResetViewportSize()
for _, g := range q.commandGroups() {
vertices := []int16{}
vertices := []uint8{}
for _, c := range g {
switch c := c.(type) {
case *drawImageCommand:
@ -155,14 +155,14 @@ func (c *fillCommand) Exec(context *opengl.Context, indexOffsetInBytes int) erro
type drawImageCommand struct {
dst *Image
src *Image
vertices []int16
vertices []uint8
geo Matrix
color Matrix
mode opengl.CompositeMode
}
const (
quadVertexNum = 16 // 4 * 2 [vertices] * 2 [tex_coords]
quadVertexNum = 32 // 4 * 2 [vertices] * 2 [tex_coords] * 2[bytes]
)
func (c *drawImageCommand) Exec(context *opengl.Context, indexOffsetInBytes int) error {

2
internal/graphics/image.go
View File

@ -94,7 +94,7 @@ func (i *Image) Fill(clr color.RGBA) error {
return nil
}
func (i *Image) DrawImage(src *Image, vertices []int16, geo, clr Matrix, mode opengl.CompositeMode) error {
func (i *Image) DrawImage(src *Image, vertices []uint8, geo, clr Matrix, mode opengl.CompositeMode) error {
c := &drawImageCommand{
dst: i,
src: src,

10
internal/graphics/opengl/context_desktop.go
View File

@ -468,6 +468,7 @@ func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage Bu
case int:
gl.BufferData(uint32(bufferType), v, nil, uint32(bufferUsage))
case []uint16:
// TODO: What about the endianness?
gl.BufferData(uint32(bufferType), 2*len(v), gl.Ptr(v), uint32(bufferUsage))
default:
panic("not reach")
@ -485,14 +486,9 @@ func (c *Context) BindElementArrayBuffer(b Buffer) {
})
}
func (c *Context) BufferSubData(bufferType BufferType, data interface{}) {
func (c *Context) BufferSubData(bufferType BufferType, data []uint8) {
_ = c.runOnContextThread(func() error {
switch data := data.(type) {
case []int16:
gl.BufferSubData(uint32(bufferType), 0, 2*len(data), gl.Ptr(data))
default:
panic("not reach")
}
gl.BufferSubData(uint32(bufferType), 0, len(data), gl.Ptr(data))
return nil
})
}

9
internal/graphics/opengl/context_js.go
View File

@ -387,14 +387,9 @@ func (c *Context) BindElementArrayBuffer(b Buffer) {
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, b.Object)
}
func (c *Context) BufferSubData(bufferType BufferType, data interface{}) {
func (c *Context) BufferSubData(bufferType BufferType, data []uint8) {
gl := c.gl
switch data := data.(type) {
case []int16:
gl.BufferSubData(int(bufferType), 0, data)
default:
panic("not reach")
}
gl.BufferSubData(int(bufferType), 0, data)
}
func (c *Context) DeleteBuffer(b Buffer) {

19
internal/graphics/opengl/context_mobile.go
View File

@ -357,6 +357,7 @@ func (c *Context) DisableVertexAttribArray(p Program, location string) {
}
func uint16ToBytes(v []uint16) []uint8 {
// TODO: Consider endian?
b := make([]uint8, len(v)*2)
for i, x := range v {
b[2*i] = uint8(x)
@ -365,15 +366,6 @@ func uint16ToBytes(v []uint16) []uint8 {
return b
}
func int16ToBytes(v []int16) []uint8 {
b := make([]uint8, len(v)*2)
for i, x := range v {
b[2*i] = uint8(uint16(x))
b[2*i+1] = uint8(uint16(x) >> 8)
}
return b
}
func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage BufferUsage) Buffer {
gl := c.gl
b := gl.CreateBuffer()
@ -394,14 +386,9 @@ func (c *Context) BindElementArrayBuffer(b Buffer) {
gl.BindBuffer(mgl.ELEMENT_ARRAY_BUFFER, mgl.Buffer(b))
}
func (c *Context) BufferSubData(bufferType BufferType, data interface{}) {
func (c *Context) BufferSubData(bufferType BufferType, data []uint8) {
gl := c.gl
switch data := data.(type) {
case []int16:
gl.BufferSubData(mgl.Enum(bufferType), 0, int16ToBytes(data))
default:
panic("not reach")
}
gl.BufferSubData(mgl.Enum(bufferType), 0, data)
}
func (c *Context) DeleteBuffer(b Buffer) {

6
internal/restorable/image.go
View File

@ -25,7 +25,7 @@ import (
type drawImageHistoryItem struct {
image *graphics.Image
vertices []int16
vertices []uint8
geom graphics.Matrix
colorm graphics.Matrix
mode opengl.CompositeMode
@ -145,7 +145,7 @@ func (p *Image) ReplacePixels(pixels []uint8) error {
return nil
}
func (p *Image) DrawImage(img *Image, vertices []int16, geom graphics.Matrix, colorm graphics.Matrix, mode opengl.CompositeMode) error {
func (p *Image) DrawImage(img *Image, vertices []uint8, geom graphics.Matrix, colorm graphics.Matrix, mode opengl.CompositeMode) error {
if img.stale || img.volatile {
p.makeStale()
} else {
@ -157,7 +157,7 @@ func (p *Image) DrawImage(img *Image, vertices []int16, geom graphics.Matrix, co
return nil
}
func (p *Image) appendDrawImageHistory(image *graphics.Image, vertices []int16, geom graphics.Matrix, colorm graphics.Matrix, mode opengl.CompositeMode) {
func (p *Image) appendDrawImageHistory(image *graphics.Image, vertices []uint8, geom graphics.Matrix, colorm graphics.Matrix, mode opengl.CompositeMode) {
if p.stale {
return
}