98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
|
// Copyright 2018 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 driver
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
|
||
|
|
"github.com/hajimehoshi/ebiten/v2/internal/affine"
|
||
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
|
||
|
|
"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Region struct {
|
||
|
|
X float32
|
||
|
|
Y float32
|
||
|
|
Width float32
|
||
|
|
Height float32
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
InvalidImageID = 0
|
||
|
|
InvalidShaderID = 0
|
||
|
|
)
|
||
|
|
|
||
|
|
type Graphics interface {
|
||
|
|
Begin()
|
||
|
|
End()
|
||
|
|
SetTransparent(transparent bool)
|
||
|
|
SetVertices(vertices []float32, indices []uint16)
|
||
|
|
NewImage(width, height int) (Image, error)
|
||
|
|
NewScreenFramebufferImage(width, height int) (Image, error)
|
||
|
|
Initialize() error
|
||
|
|
SetVsyncEnabled(enabled bool)
|
||
|
|
FramebufferYDirection() YDirection
|
||
|
|
NeedsRestoring() bool
|
||
|
|
NeedsClearingScreen() bool
|
||
|
|
IsGL() bool
|
||
|
|
HasHighPrecisionFloat() bool
|
||
|
|
MaxImageSize() int
|
||
|
|
|
||
|
|
NewShader(program *shaderir.Program) (Shader, error)
|
||
|
|
|
||
|
|
// DrawTriangles draws an image onto another image with the given parameters.
|
||
|
|
//
|
||
|
|
// uniforms represents a colletion of uniform variables. The values must be one of these types:
|
||
|
|
//
|
||
|
|
// * float32
|
||
|
|
// * []float32
|
||
|
|
DrawTriangles(dst ImageID, srcs [graphics.ShaderImageNum]ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader ShaderID, indexLen int, indexOffset int, mode CompositeMode, colorM *affine.ColorM, filter Filter, address Address, dstRegion, srcRegion Region, uniforms []interface{}, evenOdd bool) error
|
||
|
|
}
|
||
|
|
|
||
|
|
// GraphicsNotReady represents that the graphics driver is not ready for recovering from the context lost.
|
||
|
|
var GraphicsNotReady = errors.New("graphics not ready")
|
||
|
|
|
||
|
|
type Image interface {
|
||
|
|
ID() ImageID
|
||
|
|
Dispose()
|
||
|
|
IsInvalidated() bool
|
||
|
|
Pixels() ([]byte, error)
|
||
|
|
ReplacePixels(args []*ReplacePixelsArgs)
|
||
|
|
}
|
||
|
|
|
||
|
|
type ImageID int
|
||
|
|
|
||
|
|
type ReplacePixelsArgs struct {
|
||
|
|
Pixels []byte
|
||
|
|
X int
|
||
|
|
Y int
|
||
|
|
Width int
|
||
|
|
Height int
|
||
|
|
}
|
||
|
|
|
||
|
|
type YDirection int
|
||
|
|
|
||
|
|
const (
|
||
|
|
Upward YDirection = iota
|
||
|
|
Downward
|
||
|
|
)
|
||
|
|
|
||
|
|
type Shader interface {
|
||
|
|
ID() ShaderID
|
||
|
|
Dispose()
|
||
|
|
}
|
||
|
|
|
||
|
|
type ShaderID int
|