ebiten/graphics.go

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// Copyright 2014 Hajime Hoshi
//
// 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.
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package ebiten
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import (
"github.com/hajimehoshi/ebiten/v2/internal/builtinshader"
"github.com/hajimehoshi/ebiten/v2/internal/ui"
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)
// Filter represents the type of texture filter to be used when an image is magnified or minified.
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type Filter int
const (
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// FilterNearest represents nearest (crisp-edged) filter
FilterNearest Filter = Filter(builtinshader.FilterNearest)
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// FilterLinear represents linear filter
FilterLinear Filter = Filter(builtinshader.FilterLinear)
)
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// GraphicsLibrary represents graphics libraries supported by the engine.
type GraphicsLibrary int
const (
// GraphicsLibraryAuto represents the automatic choose of graphics library by Ebitengine.
GraphicsLibraryAuto GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryAuto)
// GraphicsLibraryUnknown represents the state at which graphics library cannot be determined,
// e.g. hasn't loaded yet or failed to initialize.
GraphicsLibraryUnknown GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryUnknown)
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// GraphicsLibraryOpenGL represents the graphics library OpenGL.
GraphicsLibraryOpenGL GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryOpenGL)
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// GraphicsLibraryDirectX represents the graphics library Microsoft DirectX.
GraphicsLibraryDirectX GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryDirectX)
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// GraphicsLibraryMetal represents the graphics library Apple's Metal.
GraphicsLibraryMetal GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryMetal)
// GraphicsLibraryMetal represents the graphics library PlayStation 5.
GraphicsLibraryPlayStation5 GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryPlayStation5)
)
// String returns a string representing the graphics library.
func (g GraphicsLibrary) String() string {
return ui.GraphicsLibrary(g).String()
}
// Ensures GraphicsLibraryAuto is zero (the default value for RunOptions).
var _ [GraphicsLibraryAuto]int = [0]int{}
// DebugInfo is a struct to store debug info about the graphics.
type DebugInfo struct {
// GraphicsLibrary represents the graphics library currently in use.
GraphicsLibrary GraphicsLibrary
}
// ReadDebugInfo writes debug info (e.g. current graphics library) into a provided struct.
func ReadDebugInfo(d *DebugInfo) {
d.GraphicsLibrary = GraphicsLibrary(ui.Get().GraphicsLibrary())
}