mirror of
https://github.com/DrBeef/Doom3Quest.git
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74acf16f9d
Now render thread takes 50% CPU time since it only runs once. More work is needed as GUIs are messed up
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* This file is part of the D3wasm project (http://www.continuation-labs.com/projects/d3wasm)
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* Copyright (c) 2019 Gabriel Cuvillier.
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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, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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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#include "glsl_shaders.h"
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const char * const fogShaderVP = R"(
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#version 300 es
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// Multiview
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#define NUM_VIEWS 2
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#extension GL_OVR_multiview2 : enable
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layout(num_views=NUM_VIEWS) in;
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precision mediump float;
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// In
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in highp vec4 attr_Vertex; // input Vertex Coordinates
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// Uniforms
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uniform ShaderMatrices
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{
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uniform highp mat4 modelViewProjectionMatrix[NUM_VIEWS];
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} u_shaderMatrices;
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uniform mat4 u_fogMatrix; // fogPlanes 0, 1, 3 (CATION: not 2!), 2
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// Out
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// gl_Position // output Vertex Coordinates
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out vec2 var_TexFog; // output Fog TexCoord
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out vec2 var_TexFogEnter; // output FogEnter TexCoord
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void main()
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{
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gl_Position = u_shaderMatrices.modelViewProjectionMatrix[gl_ViewID_OVR] * attr_Vertex;
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// What will be computed:
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//
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// var_TexFog.x = dot(u_fogMatrix[0], attr_Vertex);
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// var_TexFog.y = dot(u_fogMatrix[1], attr_Vertex);
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// var_TexFogEnter.x = dot(u_fogMatrix[2], attr_Vertex);
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// var_TexFogEnter.y = dot(u_fogMatrix[3], attr_Vertex);
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// Optimized version:
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var_TexFog = vec2(dot(u_fogMatrix[0], attr_Vertex),dot(u_fogMatrix[1], attr_Vertex));
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var_TexFogEnter = vec2(dot(u_fogMatrix[2], attr_Vertex),dot(u_fogMatrix[3], attr_Vertex));
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}
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)";
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