ScummVM API documentation
shaders.h
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TWP_SHADERS_H
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#define TWP_SHADERS_H
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#include "twp/room.h"
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#include "math/vector3d.h"
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namespace
Twp
{
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extern
const
char
*vsrc;
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extern
const
char
*bwShader;
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extern
const
char
*ghostShader;
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extern
const
char
*sepiaShader;
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struct
ShaderParams
{
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RoomEffect effect = RoomEffect::None;
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float
sepiaFlicker = 1.f;
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float
randomValue[5] = {0.f, 0.f, 0.f, 0.f, 0.f};
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float
timeLapse = 0.f;
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float
iGlobalTime = 0.f;
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float
iNoiseThreshold = 1.f;
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float
iFade = 1.f;
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float
wobbleIntensity = 1.f;
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Color
shadows =
Color
(-0.3f, 0.f, 0.f);
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Color
midtones =
Color
(-0.2f, 0.f, 0.1f);
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Color
highlights =
Color
(0.f, 0.f, 0.2f);
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void
updateShader();
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};
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enum class
FadeEffect {
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None,
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In,
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Out,
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Wobble
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};
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class
FadeShader
:
public
Shader
{
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public
:
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FadeShader
();
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virtual
~
FadeShader
()
override
;
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int
getNumTextures()
override
;
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int
getTexture(
int
index)
override
;
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int
getTextureLoc(
int
index)
override
;
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private
:
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void
applyUniforms()
override
;
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public
:
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FadeEffect _effect = FadeEffect::None;
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Common::SharedPtr<Room>
_room;
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Texture
*_texture1 =
nullptr
;
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Texture
*_texture2 =
nullptr
;
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Math::Vector2d _cameraPos;
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float
_duration = 0.f;
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float
_elapsed = 0.f;
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float
_movement = 0.f;
// movement for wobble effect
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float
_fade = 0.f;
// fade value between [0.f,1.f]
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bool
_fadeToSepia =
false
;
// true to fade to sepia
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private
:
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int
_textureLoc[2];
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};
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}
// namespace Twp
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#endif
Twp::Color
Definition:
gfx.h:35
Twp::FadeShader
Definition:
shaders.h:58
Twp::ShaderParams
Definition:
shaders.h:35
Common::SharedPtr
Definition:
ptr.h:159
Twp::Shader
Definition:
gfx.h:127
Twp::Texture
Definition:
gfx.h:101
Twp
Definition:
achievements_tables.h:27
engines
twp
shaders.h
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