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internal/graphicsdriver: refactoring: choose the graphics driver at this package

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This commit is contained in:
Hajime Hoshi 2022-02-27 23:14:43 +09:00
parent 99f8e335ee
commit dd8900ea48
11 changed files with 105 additions and 56 deletions
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36
internal/graphicscommand/command.go
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@ -26,20 +26,6 @@ import (
"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
)
var theGraphicsDriver graphicsdriver.Graphics
func SetGraphicsDriver(driver graphicsdriver.Graphics) {
theGraphicsDriver = driver
}
func NeedsInvertY() bool {
return theGraphicsDriver.FramebufferYDirection() != theGraphicsDriver.NDCYDirection()
}
func NeedsRestoring() bool {
return theGraphicsDriver.NeedsRestoring()
}
// command represents a drawing command.
//
// A command for drawing that is created when Image functions are called like DrawTriangles,
@ -245,7 +231,7 @@ func (q *commandQueue) flush() error {
vs := q.vertices
debug.Logf("Graphics commands:\n")
if theGraphicsDriver.HasHighPrecisionFloat() {
if graphicsDriver().HasHighPrecisionFloat() {
n := q.nvertices / graphics.VertexFloatNum
for i := 0; i < n; i++ {
s := q.srcSizes[i]
@ -296,7 +282,7 @@ func (q *commandQueue) flush() error {
}
}
theGraphicsDriver.Begin()
graphicsDriver().Begin()
var present bool
cs := q.commands
for len(cs) > 0 {
@ -320,7 +306,7 @@ func (q *commandQueue) flush() error {
nc++
}
if 0 < ne {
theGraphicsDriver.SetVertices(vs[:nv], es[:ne])
graphicsDriver().SetVertices(vs[:nv], es[:ne])
es = es[ne:]
vs = vs[nv:]
}
@ -339,7 +325,7 @@ func (q *commandQueue) flush() error {
}
cs = cs[nc:]
}
theGraphicsDriver.End(present)
graphicsDriver().End(present)
// Release the commands explicitly (#1803).
// Apparently, the part of a slice between len and cap-1 still holds references.
@ -488,7 +474,7 @@ func (c *drawTrianglesCommand) Exec(indexOffset int) error {
imgs[0] = c.srcs[0].image.ID()
}
return theGraphicsDriver.DrawTriangles(c.dst.image.ID(), imgs, c.offsets, shaderID, c.nindices, indexOffset, c.mode, c.color, c.filter, c.address, c.dstRegion, c.srcRegion, c.uniforms, c.evenOdd)
return graphicsDriver().DrawTriangles(c.dst.image.ID(), imgs, c.offsets, shaderID, c.nindices, indexOffset, c.mode, c.color, c.filter, c.address, c.dstRegion, c.srcRegion, c.uniforms, c.evenOdd)
}
func (c *drawTrianglesCommand) numVertices() int {
@ -662,7 +648,7 @@ func (c *newImageCommand) String() string {
// Exec executes a newImageCommand.
func (c *newImageCommand) Exec(indexOffset int) error {
i, err := theGraphicsDriver.NewImage(c.width, c.height)
i, err := graphicsDriver().NewImage(c.width, c.height)
if err != nil {
return err
}
@ -684,7 +670,7 @@ func (c *newScreenFramebufferImageCommand) String() string {
// Exec executes a newScreenFramebufferImageCommand.
func (c *newScreenFramebufferImageCommand) Exec(indexOffset int) error {
var err error
c.result.image, err = theGraphicsDriver.NewScreenFramebufferImage(c.width, c.height)
c.result.image, err = graphicsDriver().NewScreenFramebufferImage(c.width, c.height)
return err
}
@ -701,14 +687,14 @@ func (c *newShaderCommand) String() string {
// Exec executes a newShaderCommand.
func (c *newShaderCommand) Exec(indexOffset int) error {
var err error
c.result.shader, err = theGraphicsDriver.NewShader(c.ir)
c.result.shader, err = graphicsDriver().NewShader(c.ir)
return err
}
// InitializeGraphicsDriverState initialize the current graphics driver state.
func InitializeGraphicsDriverState() (err error) {
runOnRenderingThread(func() {
err = theGraphicsDriver.Initialize()
err = graphicsDriver().Initialize()
})
return
}
@ -716,7 +702,7 @@ func InitializeGraphicsDriverState() (err error) {
// ResetGraphicsDriverState resets the current graphics driver state.
// If the graphics driver doesn't have an API to reset, ResetGraphicsDriverState does nothing.
func ResetGraphicsDriverState() (err error) {
if r, ok := theGraphicsDriver.(interface{ Reset() error }); ok {
if r, ok := graphicsDriver().(interface{ Reset() error }); ok {
runOnRenderingThread(func() {
err = r.Reset()
})
@ -728,7 +714,7 @@ func ResetGraphicsDriverState() (err error) {
func MaxImageSize() int {
var size int
runOnRenderingThread(func() {
size = theGraphicsDriver.MaxImageSize()
size = graphicsDriver().MaxImageSize()
})
return size
}

59
internal/graphicscommand/graphics.go Normal file
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@ -0,0 +1,59 @@
// Copyright 2022 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 graphicscommand
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
)
type Drawer interface {
Draw(screenScale float64, offsetX, offsetY float64, needsClearingScreen bool, framebufferYDirection graphicsdriver.YDirection, screenClearedEveryFrame, filterEnabled bool) error
}
func Draw(drawer Drawer, screenScale float64, offsetX, offsetY float64, screenClearedEveryFrame, filterEnabled bool) error {
return drawer.Draw(screenScale, offsetX, offsetY, graphicsDriver().NeedsClearingScreen(), graphicsDriver().FramebufferYDirection(), screenClearedEveryFrame, filterEnabled)
}
// TODO: Reduce these 'getter' global functions if possible.
func NeedsInvertY() bool {
return graphicsDriver().FramebufferYDirection() != graphicsDriver().NDCYDirection()
}
func NeedsRestoring() bool {
return graphicsDriver().NeedsRestoring()
}
func IsGL() bool {
return graphicsDriver().IsGL()
}
func SetVsyncEnabled(enabled bool) {
graphicsDriver().SetVsyncEnabled(enabled)
}
func SetTransparent(transparent bool) {
graphicsDriver().SetTransparent(transparent)
}
func SetFullscreen(fullscreen bool) {
graphicsDriver().SetFullscreen(fullscreen)
}
func SetWindow(window uintptr) {
if g, ok := graphicsDriver().(interface{ SetWindow(uintptr) }); ok {
g.SetWindow(window)
}
}

4
internal/ui/graphics_darwin.go → internal/graphicscommand/graphics_darwin.go
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@ -15,7 +15,7 @@
//go:build !ios && !ebitengl && !ebitencbackend
// +build !ios,!ebitengl,!ebitencbackend
package ui
package graphicscommand
// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework Foundation
@ -55,7 +55,7 @@ func supportsMetal() bool {
var graphicsOnce sync.Once
func graphics() graphicsdriver.Graphics {
func graphicsDriver() graphicsdriver.Graphics {
graphicsOnce.Do(func() {
if supportsMetal() {
theGraphics = metal.Get()

4
internal/ui/graphics_ios_amd64.go → internal/graphicscommand/graphics_ios_amd64.go
View File

@ -15,14 +15,14 @@
//go:build ios && !ebitengl && !ebitencbackend
// +build ios,!ebitengl,!ebitencbackend
package ui
package graphicscommand
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
)
func graphics() graphicsdriver.Graphics {
func graphicsDriver() graphicsdriver.Graphics {
// Metal might not be supported on emulators on Intel machines.
return opengl.Get()
}

4
internal/ui/graphics_ios_arm64.go → internal/graphicscommand/graphics_ios_arm64.go
View File

@ -15,14 +15,14 @@
//go:build ios && !ebitengl && !ebitencbackend
// +build ios,!ebitengl,!ebitencbackend
package ui
package graphicscommand
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
)
func graphics() graphicsdriver.Graphics {
func graphicsDriver() graphicsdriver.Graphics {
g := metal.Get()
if g == nil {
panic("ui: Metal is not available on this iOS device")

16
internal/ui/init.go → internal/graphicscommand/graphics_mobile.go
View File

@ -1,4 +1,4 @@
// Copyright 2020 The Ebiten Authors
// Copyright 2022 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.
@ -12,13 +12,17 @@
// See the License for the specific language governing permissions and
// limitations under the License.
package ui
//go:build android || ios
// +build android ios
package graphicscommand
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
"golang.org/x/mobile/gl"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
)
func init() {
// TODO: Should graphics() be moved to the graphicscommand package?
graphicscommand.SetGraphicsDriver(graphics())
func SetGomobileGLContext(ctx gl.Context) {
graphicsDriver().(*opengl.Graphics).SetGomobileGLContext(ctx)
}

4
internal/ui/graphics_opengl.go → internal/graphicscommand/graphics_opengl.go
View File

@ -15,13 +15,13 @@
//go:build !darwin || ebitencbackend || ebitengl
// +build !darwin ebitencbackend ebitengl
package ui
package graphicscommand
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
)
func graphics() graphicsdriver.Graphics {
func graphicsDriver() graphicsdriver.Graphics {
return opengl.Get()
}

3
internal/ui/context.go
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@ -23,6 +23,7 @@ import (
"github.com/hajimehoshi/ebiten/v2/internal/clock"
"github.com/hajimehoshi/ebiten/v2/internal/debug"
graphicspkg "github.com/hajimehoshi/ebiten/v2/internal/graphics"
"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/hooks"
)
@ -106,7 +107,7 @@ func (c *contextImpl) updateFrameImpl(updateCount int, outsideWidth, outsideHeig
// Draw the game.
screenScale, offsetX, offsetY := c.screenScaleAndOffsets(deviceScaleFactor)
if err := c.game.Draw(screenScale, offsetX, offsetY, graphics().NeedsClearingScreen(), graphics().FramebufferYDirection(), theGlobalState.isScreenClearedEveryFrame(), theGlobalState.isScreenFilterEnabled()); err != nil {
if err := graphicscommand.Draw(c.game, screenScale, offsetX, offsetY, theGlobalState.isScreenClearedEveryFrame(), theGlobalState.isScreenFilterEnabled()); err != nil {
return err
}

25
internal/ui/ui_glfw.go
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@ -28,6 +28,7 @@ import (
"github.com/hajimehoshi/ebiten/v2/internal/devicescale"
"github.com/hajimehoshi/ebiten/v2/internal/glfw"
"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
"github.com/hajimehoshi/ebiten/v2/internal/hooks"
"github.com/hajimehoshi/ebiten/v2/internal/thread"
)
@ -667,7 +668,7 @@ func (u *UserInterface) createWindow(width, height int) error {
// Ensure to consume this callback.
u.waitForFramebufferSizeCallback(u.window, nil)
if graphics().IsGL() {
if graphicscommand.IsGL() {
u.window.MakeContextCurrent()
}
@ -721,7 +722,7 @@ func (u *UserInterface) registerWindowSetSizeCallback() {
u.err = err
}
if graphics().IsGL() {
if graphicscommand.IsGL() {
u.swapBuffers()
}
})
@ -815,7 +816,7 @@ event:
}
func (u *UserInterface) init() error {
if graphics().IsGL() {
if graphicscommand.IsGL() {
glfw.WindowHint(glfw.ClientAPI, glfw.OpenGLAPI)
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
@ -836,7 +837,7 @@ func (u *UserInterface) init() error {
transparent = glfw.True
}
glfw.WindowHint(glfw.TransparentFramebuffer, transparent)
graphics().SetTransparent(u.isInitScreenTransparent())
graphicscommand.SetTransparent(u.isInitScreenTransparent())
// Before creating a window, set it unresizable no matter what u.isInitWindowResizable() is (#1987).
// Making the window resizable here doesn't work correctly when switching to enable resizing.
@ -888,9 +889,7 @@ func (u *UserInterface) init() error {
u.window.Show()
if g, ok := graphics().(interface{ SetWindow(uintptr) }); ok {
g.SetWindow(u.nativeWindow())
}
graphicscommand.SetWindow(u.nativeWindow())
return nil
}
@ -1067,7 +1066,7 @@ func (u *UserInterface) loop() error {
// swapBuffers also checks IsGL, so this condition is redundant.
// However, (*thread).Call is not good for performance due to channels.
// Let's avoid this whenever possible (#1367).
if graphics().IsGL() {
if graphicscommand.IsGL() {
u.t.Call(u.swapBuffers)
}
@ -1089,7 +1088,7 @@ func (u *UserInterface) loop() error {
// swapBuffers must be called from the main thread.
func (u *UserInterface) swapBuffers() {
if graphics().IsGL() {
if graphicscommand.IsGL() {
u.window.SwapBuffers()
}
}
@ -1146,7 +1145,7 @@ func (u *UserInterface) adjustWindowSizeBasedOnSizeLimitsInDIP(width, height int
func (u *UserInterface) setWindowSizeInDIP(width, height int, fullscreen bool) {
width, height = u.adjustWindowSizeBasedOnSizeLimitsInDIP(width, height)
graphics().SetFullscreen(fullscreen)
graphicscommand.SetFullscreen(fullscreen)
scale := u.deviceScaleFactor(u.currentMonitor())
if u.windowWidthInDIP == width && u.windowHeightInDIP == height && u.isFullscreen() == fullscreen && u.lastDeviceScaleFactor == scale {
@ -1220,7 +1219,7 @@ func (u *UserInterface) setWindowSizeInDIPImpl(width, height int, fullscreen boo
// Swapping buffer is necesary to prevent the image lag (#1004).
// TODO: This might not work when vsync is disabled.
if graphics().IsGL() {
if graphicscommand.IsGL() {
glfw.PollEvents()
u.swapBuffers()
}
@ -1267,7 +1266,7 @@ func (u *UserInterface) setWindowSizeInDIPImpl(width, height int, fullscreen boo
// updateVsync must be called on the main thread.
func (u *UserInterface) updateVsync() {
if graphics().IsGL() {
if graphicscommand.IsGL() {
// SwapInterval is affected by the current monitor of the window.
// This needs to be called at least after SetMonitor.
// Without SwapInterval after SetMonitor, vsynch doesn't work (#375).
@ -1281,7 +1280,7 @@ func (u *UserInterface) updateVsync() {
glfw.SwapInterval(0)
}
}
graphics().SetVsyncEnabled(u.fpsMode == FPSModeVsyncOn)
graphicscommand.SetVsyncEnabled(u.fpsMode == FPSModeVsyncOn)
}
// currentMonitor returns the current active monitor.

3
internal/ui/ui_glfw_darwin.go
View File

@ -227,6 +227,7 @@ import "C"
import (
"github.com/hajimehoshi/ebiten/v2/internal/glfw"
"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
)
// clearVideoModeScaleCache must be called from the main thread.
@ -316,7 +317,7 @@ func (u *UserInterface) setNativeFullscreen(fullscreen bool) {
}
func (u *UserInterface) adjustViewSize() {
if graphics().IsGL() {
if graphicscommand.IsGL() {
return
}
C.adjustViewSize(C.uintptr_t(u.window.GetCocoaWindow()))

3
internal/ui/ui_mobile.go
View File

@ -36,7 +36,6 @@ import (
"github.com/hajimehoshi/ebiten/v2/internal/devicescale"
"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
"github.com/hajimehoshi/ebiten/v2/internal/hooks"
"github.com/hajimehoshi/ebiten/v2/internal/restorable"
"github.com/hajimehoshi/ebiten/v2/internal/thread"
@ -277,7 +276,7 @@ func (u *UserInterface) run(game Game, mainloop bool) (err error) {
// When mainloop is true, gomobile-build is used. In this case, GL functions must be called via
// gl.Context so that they are called on the appropriate thread.
ctx := <-glContextCh
graphics().(*opengl.Graphics).SetGomobileGLContext(ctx)
graphicscommand.SetGomobileGLContext(ctx)
} else {
u.t = thread.NewOSThread()
graphicscommand.SetRenderingThread(u.t)