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graphicsdriver/opengl: Refactoring

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This commit is contained in:
Hajime Hoshi 2020-11-21 22:43:05 +09:00
parent ddc8115b51
commit 859d247093
6 changed files with 30 additions and 38 deletions
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5
internal/graphicsdriver/opengl/context_desktop.go
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@ -83,7 +83,6 @@ const (
fragmentShader = shaderType(gl.FRAGMENT_SHADER)
arrayBuffer = bufferType(gl.ARRAY_BUFFER)
elementArrayBuffer = bufferType(gl.ELEMENT_ARRAY_BUFFER)
dynamicDraw = bufferUsage(gl.DYNAMIC_DRAW)
short = dataType(gl.SHORT)
float = dataType(gl.FLOAT)
@ -390,7 +389,7 @@ func (c *context) newArrayBuffer(size int) buffer {
var b uint32
gl.GenBuffers(1, &b)
gl.BindBuffer(uint32(arrayBuffer), b)
gl.BufferData(uint32(arrayBuffer), size, nil, uint32(dynamicDraw))
gl.BufferData(uint32(arrayBuffer), size, nil, gl.DYNAMIC_DRAW)
return buffer(b)
}
@ -398,7 +397,7 @@ func (c *context) newElementArrayBuffer(size int) buffer {
var b uint32
gl.GenBuffers(1, &b)
gl.BindBuffer(uint32(elementArrayBuffer), b)
gl.BufferData(uint32(elementArrayBuffer), size, nil, uint32(dynamicDraw))
gl.BufferData(uint32(elementArrayBuffer), size, nil, gl.DYNAMIC_DRAW)
return buffer(b)
}

25
internal/graphicsdriver/opengl/context_js.go
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@ -78,9 +78,6 @@ const (
fragmentShader = shaderType(gles.FRAGMENT_SHADER)
arrayBuffer = bufferType(gles.ARRAY_BUFFER)
elementArrayBuffer = bufferType(gles.ELEMENT_ARRAY_BUFFER)
dynamicDraw = bufferUsage(gles.DYNAMIC_DRAW)
streamDraw = bufferUsage(gles.STREAM_DRAW)
pixelUnpackBuffer = bufferType(gles.PIXEL_UNPACK_BUFFER)
short = dataType(gles.SHORT)
float = dataType(gles.FLOAT)
@ -431,7 +428,7 @@ func (c *context) newArrayBuffer(size int) buffer {
gl := c.gl
b := gl.Call("createBuffer")
gl.Call("bindBuffer", int(arrayBuffer), js.Value(b))
gl.Call("bufferData", int(arrayBuffer), size, int(dynamicDraw))
gl.Call("bufferData", int(arrayBuffer), size, gles.DYNAMIC_DRAW)
return buffer(b)
}
@ -439,7 +436,7 @@ func (c *context) newElementArrayBuffer(size int) buffer {
gl := c.gl
b := gl.Call("createBuffer")
gl.Call("bindBuffer", int(elementArrayBuffer), js.Value(b))
gl.Call("bufferData", int(elementArrayBuffer), size, int(dynamicDraw))
gl.Call("bufferData", int(elementArrayBuffer), size, gles.DYNAMIC_DRAW)
return buffer(b)
}
@ -513,16 +510,16 @@ func (c *context) texSubImage2D(t textureNative, width, height int, args []*driv
func (c *context) newPixelBufferObject(width, height int) buffer {
gl := c.gl
b := gl.Call("createBuffer")
gl.Call("bindBuffer", int(pixelUnpackBuffer), js.Value(b))
gl.Call("bufferData", int(pixelUnpackBuffer), 4*width*height, int(streamDraw))
gl.Call("bindBuffer", int(pixelUnpackBuffer), nil)
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, js.Value(b))
gl.Call("bufferData", gles.PIXEL_UNPACK_BUFFER, 4*width*height, gles.STREAM_DRAW)
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, nil)
return buffer(b)
}
func (c *context) replacePixelsWithPBO(buffer buffer, t textureNative, width, height int, args []*driver.ReplacePixelsArgs) {
c.bindTexture(t)
gl := c.gl
gl.Call("bindBuffer", int(pixelUnpackBuffer), js.Value(buffer))
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, js.Value(buffer))
stride := 4 * width
for _, a := range args {
@ -530,7 +527,7 @@ func (c *context) replacePixelsWithPBO(buffer buffer, t textureNative, width, he
jsutil.CopySliceToJS(arr, a.Pixels)
offset := 4 * (a.Y*width + a.X)
for j := 0; j < a.Height; j++ {
gl.Call("bufferSubData", int(pixelUnpackBuffer), offset+stride*j, arr, 4*a.Width*j, 4*a.Width)
gl.Call("bufferSubData", gles.PIXEL_UNPACK_BUFFER, offset+stride*j, arr, 4*a.Width*j, 4*a.Width)
}
}
@ -538,14 +535,14 @@ func (c *context) replacePixelsWithPBO(buffer buffer, t textureNative, width, he
// GLsizei width, GLsizei height,
// GLenum format, GLenum type, GLintptr offset);
gl.Call("texSubImage2D", gles.TEXTURE_2D, 0, 0, 0, width, height, gles.RGBA, gles.UNSIGNED_BYTE, 0)
gl.Call("bindBuffer", int(pixelUnpackBuffer), nil)
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, nil)
}
func (c *context) getBufferSubData(buffer buffer, width, height int) []byte {
gl := c.gl
gl.Call("bindBuffer", int(pixelUnpackBuffer), buffer)
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, buffer)
arr := jsutil.TemporaryUint8Array(4 * width * height)
gl.Call("getBufferSubData", int(pixelUnpackBuffer), 0, arr)
gl.Call("bindBuffer", int(pixelUnpackBuffer), 0)
gl.Call("getBufferSubData", gles.PIXEL_UNPACK_BUFFER, 0, arr)
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, 0)
return jsutil.Uint8ArrayToSlice(arr)
}

5
internal/graphicsdriver/opengl/context_mobile.go
View File

@ -81,7 +81,6 @@ const (
fragmentShader = shaderType(gles.FRAGMENT_SHADER)
arrayBuffer = bufferType(gles.ARRAY_BUFFER)
elementArrayBuffer = bufferType(gles.ELEMENT_ARRAY_BUFFER)
dynamicDraw = bufferUsage(gles.DYNAMIC_DRAW)
short = dataType(gles.SHORT)
float = dataType(gles.FLOAT)
@ -358,14 +357,14 @@ func (c *context) disableVertexAttribArray(p program, index int) {
func (c *context) newArrayBuffer(size int) buffer {
b := c.ctx.GenBuffers(1)[0]
c.ctx.BindBuffer(uint32(arrayBuffer), b)
c.ctx.BufferData(uint32(arrayBuffer), size, nil, uint32(dynamicDraw))
c.ctx.BufferData(uint32(arrayBuffer), size, nil, gles.DYNAMIC_DRAW)
return buffer(b)
}
func (c *context) newElementArrayBuffer(size int) buffer {
b := c.ctx.GenBuffers(1)[0]
c.ctx.BindBuffer(uint32(elementArrayBuffer), b)
c.ctx.BufferData(uint32(elementArrayBuffer), size, nil, uint32(dynamicDraw))
c.ctx.BufferData(uint32(elementArrayBuffer), size, nil, gles.DYNAMIC_DRAW)
return buffer(b)
}

13
internal/graphicsdriver/opengl/gl/package.go
View File

@ -19,10 +19,6 @@ const (
FRAGMENT_SHADER = 0x8B30
ARRAY_BUFFER = 0x8892
ELEMENT_ARRAY_BUFFER = 0x8893
DYNAMIC_DRAW = 0x88E8
STREAM_DRAW = 0x88E0
PIXEL_PACK_BUFFER = 0x88EB
PIXEL_UNPACK_BUFFER = 0x88EC
SHORT = 0x1402
FLOAT = 0x1406
@ -34,13 +30,12 @@ const (
ONE_MINUS_DST_ALPHA = 0x0305
DST_COLOR = 0x0306
FALSE = 0
TRUE = 1
BLEND = 0x0BE2
CLAMP_TO_EDGE = 0x812F
COLOR_ATTACHMENT0 = 0x8CE0
COMPILE_STATUS = 0x8B81
DYNAMIC_DRAW = 0x88E8
FALSE = 0
FRAMEBUFFER = 0x8D40
FRAMEBUFFER_BINDING = 0x8CA6
FRAMEBUFFER_COMPLETE = 0x8CD5
@ -49,8 +44,11 @@ const (
MAX_TEXTURE_SIZE = 0x0D33
NEAREST = 0x2600
NO_ERROR = 0
PIXEL_PACK_BUFFER = 0x88EB
PIXEL_UNPACK_BUFFER = 0x88EC
READ_WRITE = 0x88BA
RGBA = 0x1908
STREAM_DRAW = 0x88E0
TEXTURE0 = 0x84C0
TEXTURE_2D = 0x0DE1
TEXTURE_MAG_FILTER = 0x2800
@ -58,6 +56,7 @@ const (
TEXTURE_WRAP_S = 0x2802
TEXTURE_WRAP_T = 0x2803
TRIANGLES = 0x0004
TRUE = 1
SCISSOR_TEST = 0x0C11
UNPACK_ALIGNMENT = 0x0CF5
UNSIGNED_BYTE = 0x1401

13
internal/graphicsdriver/opengl/gles/const.go
View File

@ -20,10 +20,6 @@ const (
FRAGMENT_SHADER = 0x8B30
ARRAY_BUFFER = 0x8892
ELEMENT_ARRAY_BUFFER = 0x8893
DYNAMIC_DRAW = 0x88E8
STREAM_DRAW = 0x88E0
PIXEL_PACK_BUFFER = 0x88EB
PIXEL_UNPACK_BUFFER = 0x88EC
SHORT = 0x1402
FLOAT = 0x1406
@ -35,13 +31,12 @@ const (
ONE_MINUS_DST_ALPHA = 0x0305
DST_COLOR = 0x0306
FALSE = 0
TRUE = 1
BLEND = 0x0BE2
CLAMP_TO_EDGE = 0x812F
COLOR_ATTACHMENT0 = 0x8CE0
COMPILE_STATUS = 0x8B81
DYNAMIC_DRAW = 0x88E8
FALSE = 0
FRAMEBUFFER = 0x8D40
FRAMEBUFFER_BINDING = 0x8CA6
FRAMEBUFFER_COMPLETE = 0x8CD5
@ -51,9 +46,12 @@ const (
MAX_TEXTURE_SIZE = 0x0D33
NEAREST = 0x2600
NO_ERROR = 0
PIXEL_PACK_BUFFER = 0x88EB
PIXEL_UNPACK_BUFFER = 0x88EC
READ_WRITE = 0x88BA
RGBA = 0x1908
SCISSOR_TEST = 0x0C11
STREAM_DRAW = 0x88E0
TEXTURE0 = 0x84C0
TEXTURE_2D = 0x0DE1
TEXTURE_MAG_FILTER = 0x2800
@ -61,6 +59,7 @@ const (
TEXTURE_WRAP_S = 0x2802
TEXTURE_WRAP_T = 0x2803
TRIANGLES = 0x0004
TRUE = 1
UNPACK_ALIGNMENT = 0x0CF5
UNSIGNED_BYTE = 0x1401
UNSIGNED_SHORT = 0x1403

7
internal/graphicsdriver/opengl/types.go
View File

@ -19,10 +19,9 @@ import (
)
type (
shaderType int
bufferType int
bufferUsage int
operation int
shaderType int
bufferType int
operation int
)
type dataType int