mirror of
https://github.com/rwengine/openrw.git
synced 2024-11-25 20:02:40 +01:00
Refactor shader init and source
This commit is contained in:
Daniel Evans
parent
014bff2a4e
commit
0a3167d1e9
28
rwengine/include/render/GameShaders.hpp
Normal file
28
rwengine/include/render/GameShaders.hpp
Normal file
@ -0,0 +1,28 @@
|
||||
#pragma once
|
||||
#ifndef _GAMESHADERS_HPP_
|
||||
#define _GAMESHADERS_HPP_
|
||||
|
||||
namespace GameShaders {
|
||||
|
||||
struct WaterHQ {
|
||||
static const char* VertexShader;
|
||||
static const char* FragmentShader;
|
||||
};
|
||||
struct WaterLQ {
|
||||
static const char* VertexShader;
|
||||
static const char* FragmentShader;
|
||||
};
|
||||
|
||||
struct Sky {
|
||||
static const char* VertexShader;
|
||||
static const char* FragmentShader;
|
||||
};
|
||||
|
||||
struct WorldObject {
|
||||
static const char* VertexShader;
|
||||
static const char* FragmentShader;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -12,7 +12,7 @@ public:
|
||||
glm::vec3 worldPos;
|
||||
|
||||
ViewCamera()
|
||||
: frustum({0.1f, 5000.f, 80.f, 1.f})
|
||||
: frustum({0.1f, 5000.f, (-75.f / 180.f) * 3.1415f, 1.f})
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
@ -10,74 +10,12 @@
|
||||
#include <ai/CharacterController.hpp>
|
||||
#include <data/ObjectData.hpp>
|
||||
|
||||
#include <render/GameShaders.hpp>
|
||||
|
||||
#include <deque>
|
||||
#include <cmath>
|
||||
#include <glm/gtc/type_ptr.hpp>
|
||||
|
||||
const char *vertexShaderSource = "#version 130\n#extension GL_ARB_explicit_attrib_location : enable\n"
|
||||
"layout(location = 0) in vec3 position;"
|
||||
"layout(location = 1) in vec3 normal;"
|
||||
"layout(location = 2) in vec4 colour;"
|
||||
"layout(location = 3) in vec2 texCoords;"
|
||||
"out vec3 Normal;"
|
||||
"out vec2 TexCoords;"
|
||||
"out vec4 Colour;"
|
||||
"out vec4 EyeSpace;"
|
||||
"uniform mat4 model;"
|
||||
"uniform mat4 view;"
|
||||
"uniform mat4 proj;"
|
||||
"void main()"
|
||||
"{"
|
||||
" Normal = normal;"
|
||||
" TexCoords = texCoords;"
|
||||
" Colour = colour;"
|
||||
" vec4 eyeSpace = view * model * vec4(position, 1.0);"
|
||||
" EyeSpace = proj * eyeSpace;"
|
||||
" gl_Position = proj * eyeSpace;"
|
||||
"}";
|
||||
const char *fragmentShaderSource = "#version 130\n"
|
||||
"in vec3 Normal;"
|
||||
"in vec2 TexCoords;"
|
||||
"in vec4 Colour;"
|
||||
"in vec4 EyeSpace;"
|
||||
"uniform sampler2D texture;"
|
||||
"uniform vec4 BaseColour;"
|
||||
"uniform vec4 AmbientColour;"
|
||||
"uniform vec4 DynamicColour;"
|
||||
"uniform vec3 SunDirection;"
|
||||
"uniform float FogStart;"
|
||||
"uniform float FogEnd;"
|
||||
"uniform float MaterialDiffuse;"
|
||||
"uniform float MaterialAmbient;"
|
||||
"void main()"
|
||||
"{"
|
||||
" vec4 c = texture2D(texture, TexCoords);"
|
||||
" if(c.a < 0.1) discard;"
|
||||
" float fogZ = (gl_FragCoord.z / gl_FragCoord.w);"
|
||||
" float fogfac = clamp( (FogEnd-fogZ)/(FogEnd-FogStart), 0.0, 1.0 );"
|
||||
//" gl_FragColor = mix(AmbientColour, c, fogfac);"
|
||||
" gl_FragColor = mix(AmbientColour, BaseColour * (vec4(0.5) + Colour * 0.5) * (vec4(0.5) + DynamicColour * 0.5) * c, fogfac);"
|
||||
"}";
|
||||
|
||||
const char *skydomeVertexShaderSource = "#version 130\n"
|
||||
"in vec3 position;"
|
||||
"uniform mat4 view;"
|
||||
"uniform mat4 proj;"
|
||||
"out vec3 Position;"
|
||||
"uniform float Far;"
|
||||
"void main() {"
|
||||
" Position = position;"
|
||||
" vec4 viewsp = proj * mat4(mat3(view)) * vec4(position, 1.0);"
|
||||
" viewsp.z = viewsp.w - 0.000001;"
|
||||
" gl_Position = viewsp;"
|
||||
"}";
|
||||
const char *skydomeFragmentShaderSource = "#version 130\n"
|
||||
"in vec3 Position;"
|
||||
"uniform vec4 TopColor;"
|
||||
"uniform vec4 BottomColor;"
|
||||
"void main() {"
|
||||
" gl_FragColor = mix(BottomColor, TopColor, clamp(Position.z, 0, 1));"
|
||||
"}";
|
||||
const size_t skydomeSegments = 8, skydomeRows = 10;
|
||||
|
||||
struct WaterVertex {
|
||||
@ -104,36 +42,6 @@ DrawBuffer waterLQDraw;
|
||||
GeometryBuffer waterHQBuffer;
|
||||
DrawBuffer waterHQDraw;
|
||||
|
||||
const char *waterVSSource = R"(
|
||||
#version 130
|
||||
#extension GL_ARB_explicit_attrib_location : enable
|
||||
layout(location = 0) in vec2 position;
|
||||
out vec2 TexCoords;
|
||||
uniform float height;
|
||||
uniform float size;
|
||||
uniform mat4 MVP;
|
||||
uniform float time;
|
||||
uniform vec2 worldP;
|
||||
uniform vec2 waveParams;
|
||||
void main()
|
||||
{
|
||||
vec2 p = worldP + position * size;
|
||||
float waveHeight = (1.0+sin(time + (p.x + p.y) * waveParams.x)) * waveParams.y;
|
||||
TexCoords = position * 2.0;
|
||||
gl_Position = MVP * vec4(p, height + waveHeight, 1.0);
|
||||
})";
|
||||
|
||||
const char *waterFSSource = R"(
|
||||
#version 130
|
||||
in vec3 Normal;
|
||||
in vec2 TexCoords;
|
||||
uniform sampler2D texture;
|
||||
void main() {
|
||||
vec4 c = texture2D(texture, TexCoords);
|
||||
gl_FragColor = c;
|
||||
})";
|
||||
|
||||
|
||||
GLuint compileShader(GLenum type, const char *source)
|
||||
{
|
||||
GLuint shader = glCreateShader(type);
|
||||
@ -156,16 +64,26 @@ GLuint compileShader(GLenum type, const char *source)
|
||||
return shader;
|
||||
}
|
||||
|
||||
GLuint compileProgram(const char* vertex, const char* fragment)
|
||||
{
|
||||
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vertex);
|
||||
GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fragment);
|
||||
GLuint prog = glCreateProgram();
|
||||
glAttachShader(prog, vertexShader);
|
||||
glAttachShader(prog, fragmentShader);
|
||||
glLinkProgram(prog);
|
||||
|
||||
glDeleteShader(vertexShader);
|
||||
glDeleteShader(fragmentShader);
|
||||
|
||||
return prog;
|
||||
}
|
||||
|
||||
GameRenderer::GameRenderer(GameWorld* engine)
|
||||
: engine(engine), _renderAlpha(0.f)
|
||||
{
|
||||
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vertexShaderSource);
|
||||
GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fragmentShaderSource);
|
||||
worldProgram = glCreateProgram();
|
||||
glAttachShader(worldProgram, vertexShader);
|
||||
glAttachShader(worldProgram, fragmentShader);
|
||||
glLinkProgram(worldProgram);
|
||||
glUseProgram(worldProgram);
|
||||
worldProgram = compileProgram(GameShaders::WorldObject::VertexShader,
|
||||
GameShaders::WorldObject::FragmentShader);
|
||||
|
||||
uniModel = glGetUniformLocation(worldProgram, "model");
|
||||
uniView = glGetUniformLocation(worldProgram, "view");
|
||||
@ -179,18 +97,26 @@ GameRenderer::GameRenderer(GameWorld* engine)
|
||||
uniFogStart = glGetUniformLocation(worldProgram, "FogStart");
|
||||
uniFogEnd = glGetUniformLocation(worldProgram, "FogEnd");
|
||||
|
||||
vertexShader = compileShader(GL_VERTEX_SHADER, skydomeVertexShaderSource);
|
||||
fragmentShader = compileShader(GL_FRAGMENT_SHADER, skydomeFragmentShaderSource);
|
||||
skyProgram = glCreateProgram();
|
||||
glAttachShader(skyProgram, vertexShader);
|
||||
glAttachShader(skyProgram, fragmentShader);
|
||||
glLinkProgram(skyProgram);
|
||||
glUseProgram(skyProgram);
|
||||
skyProgram = compileProgram(GameShaders::Sky::VertexShader,
|
||||
GameShaders::Sky::FragmentShader);
|
||||
|
||||
skyUniView = glGetUniformLocation(skyProgram, "view");
|
||||
skyUniProj = glGetUniformLocation(skyProgram, "proj");
|
||||
skyUniTop = glGetUniformLocation(skyProgram, "TopColor");
|
||||
skyUniBottom = glGetUniformLocation(skyProgram, "BottomColor");
|
||||
|
||||
waterProgram = compileProgram(GameShaders::WaterHQ::VertexShader,
|
||||
GameShaders::WaterHQ::FragmentShader);
|
||||
|
||||
waterHeight = glGetUniformLocation(waterProgram, "height");
|
||||
waterTexture = glGetUniformLocation(waterProgram, "texture");
|
||||
waterSize = glGetUniformLocation(waterProgram, "size");
|
||||
waterMVP = glGetUniformLocation(waterProgram, "MVP");
|
||||
waterTime = glGetUniformLocation(waterProgram, "time");
|
||||
waterPosition = glGetUniformLocation(waterProgram, "worldP");
|
||||
waterWave = glGetUniformLocation(waterProgram, "waveParams");
|
||||
|
||||
|
||||
glGenVertexArrays( 1, &vao );
|
||||
|
||||
// Upload water plane
|
||||
@ -219,19 +145,6 @@ GameRenderer::GameRenderer(GameWorld* engine)
|
||||
waterHQDraw.addGeometry(&waterHQBuffer);
|
||||
waterHQDraw.setFaceType(GL_TRIANGLES);
|
||||
|
||||
GLuint waterVS = compileShader(GL_VERTEX_SHADER, waterVSSource);
|
||||
GLuint waterFS = compileShader(GL_FRAGMENT_SHADER, waterFSSource);
|
||||
waterProgram = glCreateProgram();
|
||||
glAttachShader(waterProgram, waterVS);
|
||||
glAttachShader(waterProgram, waterFS);
|
||||
glLinkProgram(waterProgram);
|
||||
waterHeight = glGetUniformLocation(waterProgram, "height");
|
||||
waterTexture = glGetUniformLocation(waterProgram, "texture");
|
||||
waterSize = glGetUniformLocation(waterProgram, "size");
|
||||
waterMVP = glGetUniformLocation(waterProgram, "MVP");
|
||||
waterTime = glGetUniformLocation(waterProgram, "time");
|
||||
waterPosition = glGetUniformLocation(waterProgram, "worldP");
|
||||
waterWave = glGetUniformLocation(waterProgram, "waveParams");
|
||||
|
||||
// And our skydome while we're at it.
|
||||
glGenBuffers(1, &skydomeVBO);
|
||||
|
||||
106
rwengine/src/render/GameShaders.cpp
Normal file
106
rwengine/src/render/GameShaders.cpp
Normal file
@ -0,0 +1,106 @@
|
||||
#include <render/GameShaders.hpp>
|
||||
|
||||
namespace GameShaders {
|
||||
|
||||
const char* WaterHQ::VertexShader = R"(
|
||||
#version 130
|
||||
#extension GL_ARB_explicit_attrib_location : enable
|
||||
layout(location = 0) in vec2 position;
|
||||
out vec2 TexCoords;
|
||||
uniform float height;
|
||||
uniform float size;
|
||||
uniform mat4 MVP;
|
||||
uniform float time;
|
||||
uniform vec2 worldP;
|
||||
uniform vec2 waveParams;
|
||||
void main()
|
||||
{
|
||||
vec2 p = worldP + position * size;
|
||||
float waveHeight = (1.0+sin(time + (p.x + p.y) * waveParams.x)) * waveParams.y;
|
||||
TexCoords = position * 2.0;
|
||||
gl_Position = MVP * vec4(p, height + waveHeight, 1.0);
|
||||
})";
|
||||
|
||||
const char* WaterHQ::FragmentShader = R"(
|
||||
#version 130
|
||||
in vec3 Normal;
|
||||
in vec2 TexCoords;
|
||||
uniform sampler2D texture;
|
||||
void main() {
|
||||
vec4 c = texture2D(texture, TexCoords);
|
||||
gl_FragColor = c;
|
||||
})";
|
||||
|
||||
const char* Sky::VertexShader = R"(
|
||||
#version 130
|
||||
in vec3 position;
|
||||
uniform mat4 view;
|
||||
uniform mat4 proj;
|
||||
out vec3 Position;
|
||||
uniform float Far;
|
||||
void main() {
|
||||
Position = position;
|
||||
vec4 viewsp = proj * mat4(mat3(view)) * vec4(position, 1.0);
|
||||
viewsp.z = viewsp.w - 0.000001;
|
||||
gl_Position = viewsp;
|
||||
})";
|
||||
|
||||
const char* Sky::FragmentShader = R"(
|
||||
#version 130
|
||||
in vec3 Position;
|
||||
uniform vec4 TopColor;
|
||||
uniform vec4 BottomColor;
|
||||
void main() {
|
||||
gl_FragColor = mix(BottomColor, TopColor, clamp(Position.z, 0, 1));
|
||||
})";
|
||||
|
||||
const char* WorldObject::VertexShader = R"(
|
||||
#version 130
|
||||
#extension GL_ARB_explicit_attrib_location : enable
|
||||
layout(location = 0) in vec3 position;
|
||||
layout(location = 1) in vec3 normal;
|
||||
layout(location = 2) in vec4 colour;
|
||||
layout(location = 3) in vec2 texCoords;
|
||||
out vec3 Normal;
|
||||
out vec2 TexCoords;
|
||||
out vec4 Colour;
|
||||
out vec4 EyeSpace;
|
||||
uniform mat4 model;
|
||||
uniform mat4 view;
|
||||
uniform mat4 proj;
|
||||
void main()
|
||||
{
|
||||
Normal = normal;
|
||||
TexCoords = texCoords;
|
||||
Colour = colour;
|
||||
vec4 eyeSpace = view * model * vec4(position, 1.0);
|
||||
EyeSpace = proj * eyeSpace;
|
||||
gl_Position = proj * eyeSpace;
|
||||
})";
|
||||
|
||||
const char* WorldObject::FragmentShader = R"(
|
||||
#version 130
|
||||
in vec3 Normal;
|
||||
in vec2 TexCoords;
|
||||
in vec4 Colour;
|
||||
in vec4 EyeSpace;
|
||||
uniform sampler2D texture;
|
||||
uniform vec4 BaseColour;
|
||||
uniform vec4 AmbientColour;
|
||||
uniform vec4 DynamicColour;
|
||||
uniform vec3 SunDirection;
|
||||
uniform float FogStart;
|
||||
uniform float FogEnd;
|
||||
uniform float MaterialDiffuse;
|
||||
uniform float MaterialAmbient;
|
||||
void main()
|
||||
{
|
||||
vec4 c = texture2D(texture, TexCoords);
|
||||
if(c.a < 0.1) discard;
|
||||
float fogZ = (gl_FragCoord.z / gl_FragCoord.w);
|
||||
float fogfac = clamp( (FogEnd-fogZ)/(FogEnd-FogStart), 0.0, 1.0 );
|
||||
// gl_FragColor = mix(AmbientColour, c, fogfac);
|
||||
gl_FragColor = mix(AmbientColour, BaseColour * (vec4(0.5) + Colour * 0.5) * (vec4(0.5) + DynamicColour * 0.5) * c, fogfac);
|
||||
})";
|
||||
|
||||
}
|
||||
@ -40,8 +40,8 @@ int debugMode = 0;
|
||||
|
||||
sf::Font font;
|
||||
|
||||
glm::vec3 viewPosition { -200.f, -100.f, 45.f };
|
||||
glm::vec2 viewAngles { -0.90f, 0.2f };
|
||||
glm::vec3 viewPosition { -260.f, -151.5f, 9.f };
|
||||
glm::vec2 viewAngles { -0.3f, 0.05f };
|
||||
|
||||
void setViewParameters(const glm::vec3 ¢er, const glm::vec2 &angles)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user