mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2024-06-02 12:08:01 -04:00
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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//go:build !gl21
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package sdlimgui
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import (
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"github.com/go-gl/gl/v3.2-core/gl"
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"github.com/jetsetilly/gopher2600/hardware/television/specification"
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)
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type playscrShader struct {
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img *SdlImgui
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crt *crtSequencer
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screenshot *gl32Screenshot
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}
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func newPlayscrShader(img *SdlImgui) shaderProgram {
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sh := &playscrShader{
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img: img,
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crt: newCRTSequencer(img),
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screenshot: newGl32Screenshot(img),
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}
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return sh
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}
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func (sh *playscrShader) destroy() {
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sh.crt.destroy()
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sh.screenshot.destroy()
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}
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func (sh *playscrShader) setAttributes(env shaderEnvironment) {
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if !sh.img.isPlaymode() {
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return
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}
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// screenroll is inside the screen critical section
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sh.img.screen.crit.section.Lock()
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screenroll := sh.img.screen.crit.screenrollOffset
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sh.img.screen.crit.section.Unlock()
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env.width = int32(sh.img.playScr.scaledWidth)
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env.height = int32(sh.img.playScr.scaledHeight)
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env.internalProj = env.presentationProj
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// set scissor and viewport
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gl.Viewport(int32(-sh.img.playScr.imagePosMin.X),
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int32(-sh.img.playScr.imagePosMin.Y),
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env.width+(int32(sh.img.playScr.imagePosMin.X*2)),
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env.height+(int32(sh.img.playScr.imagePosMin.Y*2)),
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)
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gl.Scissor(int32(-sh.img.playScr.imagePosMin.X),
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int32(-sh.img.playScr.imagePosMin.Y),
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env.width+(int32(sh.img.playScr.imagePosMin.X*2)),
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env.height+(int32(sh.img.playScr.imagePosMin.Y*2)),
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)
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sh.screenshot.process(env, sh.img.playScr)
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sh.crt.process(env, false, sh.img.playScr.visibleScanlines, specification.ClksVisible, screenroll, sh.img.playScr, newCrtSeqPrefs(sh.img.displayPrefs), sh.img.screen.rotation.Load().(specification.Rotation), false)
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}
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