void starttest()
{
glswInit();
#ifdef __MAC_NA
glswSetPath("../../test/", ".glsl");
#else
glswSetPath("../test/", ".glsl");
#endif
glswAddDirectiveToken("GL2", "#version 120");
glswAddDirectiveToken("GL3", "#version 130");
glswAddDirectiveToken("GL4", "#version 150");
}
void Initialize()
{
RenderContext& rc = GlobalRenderContext;
glswInit();
glswSetPath("../", ".glsl");
glswAddDirectiveToken("GL3", "#version 130");
rc.VertexBuffer = CreateVertexBuffer();
rc.IndexBuffer = CreateIndexBuffer();
#if defined(__APPLE__)
rc.ToonHandle = BuildProgram("Toon.Vertex.GL2", "Toon.Fragment.GL2");
#else
rc.ToonHandle = BuildProgram("Toon.Vertex.GL3", "Toon.Fragment.GL3");
#endif
rc.ToonUniforms.Projection = glGetUniformLocation(rc.ToonHandle, "Projection");
rc.ToonUniforms.Modelview = glGetUniformLocation(rc.ToonHandle, "Modelview");
rc.ToonUniforms.NormalMatrix = glGetUniformLocation(rc.ToonHandle, "NormalMatrix");
rc.ToonUniforms.LightPosition = glGetUniformLocation(rc.ToonHandle, "LightPosition");
rc.ToonUniforms.AmbientMaterial = glGetUniformLocation(rc.ToonHandle, "AmbientMaterial");
rc.ToonUniforms.DiffuseMaterial = glGetUniformLocation(rc.ToonHandle, "DiffuseMaterial");
rc.ToonUniforms.SpecularMaterial = glGetUniformLocation(rc.ToonHandle, "SpecularMaterial");
rc.ToonUniforms.Shininess = glGetUniformLocation(rc.ToonHandle, "Shininess");
glEnable(GL_DEPTH_TEST);
const float S = 0.46f;
const float H = S * ViewportHeight / ViewportWidth;
rc.Projection = mat4::Frustum(-S, S, -H, H, 4, 10);
}
void LoadEffect() {
RenderContext& rc = GlobalRenderContext;
glswInit();
glswSetPath("../demo/", ".glsl");
glswAddDirectiveToken("GL3", "#version 150");
const char* vsKey = "PixelLighting.Vertex.GL3";
const char* fsKey = "PixelLighting.Fragment.GL3";
rc.EffectHandle = BuildProgram(vsKey, fsKey);
rc.EffectUniforms.Projection = glGetUniformLocation(rc.EffectHandle, "Projection");
rc.EffectUniforms.Modelview = glGetUniformLocation(rc.EffectHandle, "Modelview");
rc.EffectUniforms.NormalMatrix = glGetUniformLocation(rc.EffectHandle, "NormalMatrix");
rc.Theta = 0;
glUseProgram(rc.EffectHandle);
GLuint LightPosition = glGetUniformLocation(rc.EffectHandle, "LightPosition");
GLuint AmbientMaterial = glGetUniformLocation(rc.EffectHandle, "AmbientMaterial");
GLuint DiffuseMaterial = glGetUniformLocation(rc.EffectHandle, "DiffuseMaterial");
GLuint SpecularMaterial = glGetUniformLocation(rc.EffectHandle, "SpecularMaterial");
GLuint Shininess = glGetUniformLocation(rc.EffectHandle, "Shininess");
glUniform3f(DiffuseMaterial, 0.75, 0.75, 0.5);
glUniform3f(AmbientMaterial, 0.04f, 0.04f, 0.04f);
glUniform3f(SpecularMaterial, 0.5, 0.5, 0.5);
glUniform1f(Shininess, 50);
glUniform3f(LightPosition, 0.25, 0.25, 1);
}
static void LoadEffect()
{
const char* vsSource, * fsSource;
GLuint vsHandle, fsHandle;
GLint compileSuccess, linkSuccess;
GLchar compilerSpew[256];
GLuint programHandle;
glswInit();
glswSetPath("../demo/", ".glsl");
glswAddDirectiveToken("GL3", "#version 130");
vsSource = glswGetShader("Simple.Vertex.Textured." PEZ_GL_VERSION_TOKEN);
fsSource = glswGetShader("Simple.Fragment.Textured." PEZ_GL_VERSION_TOKEN);
PezCheckCondition(vsSource, "Can't find vertex shader.\n");
PezCheckCondition(fsSource, "Can't find fragment shader.\n");
vsHandle = glCreateShader(GL_VERTEX_SHADER);
fsHandle = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(vsHandle, 1, &vsSource, 0);
glCompileShader(vsHandle);
glGetShaderiv(vsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(vsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, compilerSpew);
glShaderSource(fsHandle, 1, &fsSource, 0);
glCompileShader(fsHandle);
glGetShaderiv(fsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(fsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, compilerSpew);
programHandle = glCreateProgram();
glAttachShader(programHandle, vsHandle);
glAttachShader(programHandle, fsHandle);
glBindAttribLocation(programHandle, PositionSlot, "Position");
glBindAttribLocation(programHandle, TexCoordSlot, "InCoord");
glLinkProgram(programHandle);
glGetProgramiv(programHandle, GL_LINK_STATUS, &linkSuccess);
glGetProgramInfoLog(programHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(linkSuccess, compilerSpew);
glUseProgram(programHandle);
}
void Scene::initShader()
{
const char *kShadersPath = "data/shader/";
/// GLSW, shader file manager
glswInit();
glswSetPath( kShadersPath, ".glsl");
glswAddDirectiveToken("*", "#version 330 core");
m_passthroughPS.generate();
m_passthroughPS.addShader( engine::VERTEX_SHADER, "PassThrough.Vertex");
m_passthroughPS.addShader( engine::FRAGMENT_SHADER, "PassThrough.Fragment");
m_passthroughPS.link();
m_screenmappingPS.generate();
m_screenmappingPS.addShader( engine::VERTEX_SHADER, "ScreenMapping.Vertex");
m_screenmappingPS.addShader( engine::FRAGMENT_SHADER, "ScreenMapping.Fragment");
m_screenmappingPS.link();
glswShutdown();
}
static void SetupShaders(void){
int got = 0;
SShader vtxTxShdr, frgTxShdr;
SShader vtxClrShdr, frgClrShdr;
SShader vtxLightShdr, frgLightShdr;
const char *pDVertStr[3] = {0,0,0}, *pDFragStr[3] = {0,0,0};
glswInit();
glswSetPath("./id1/shaders/", ".glsl");
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(TRANSFORM_UBO_BINDING));
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(LIGHT_UBO_BINDING));
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(MAX_DIRECTION_LIGHTS));
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(MAX_POINT_LIGHTS));
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(MAX_SPOT_LIGHTS));
glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(TEXT_TEX_UNIT));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(POSITION_LOCATION));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(COLOUR_LOCATION));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(NORMAL_LOCATION));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(JOINT_WEIGHT_LOCATION));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(JOINT_INDEX_LOCATION));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(UV_LOCATION0));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(UV_LOCATION1));
glswAddDirectiveToken("Vertex", HASH_DEFINE_VALUE(TEXT_LOCATION));
//glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(SKINNING_TEXTURE_BINDING));
//glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(WEIGHTS_PER_VERTEX));
//glswAddDirectiveToken("Shared", HASH_DEFINE(TEXTURE_BUFFER_SKINNING));
//glswAddDirectiveToken("Shared", HASH_DEFINE_VALUE(RESERVED_JOINTS));
//shader (TEXTURED)
got = glswGetShadersAlt("shaders.Header.Vertex+shaders.Shared+shaders.SimpleVertexTextured", pDVertStr, 3);
CreateShader(&vtxTxShdr, VERT, pDVertStr, got);
got = glswGetShadersAlt("shaders.Header.Fragment+shaders.Shared+shaders.SimpleFragmentTextured", pDFragStr, 3);
CreateShader(&frgTxShdr, FRAG, pDFragStr, got);
CreateShaderProgram(&texture_shader);
AddShaderToProgram(&texture_shader,&vtxTxShdr);
AddShaderToProgram(&texture_shader,&frgTxShdr);
LinkShaderProgram(&texture_shader);
//shader (COLOUR)
got = glswGetShadersAlt("shaders.Header.Vertex+shaders.Shared+shaders.SimpleVertexColoured", pDVertStr, 3);
CreateShader(&vtxClrShdr, VERT, pDVertStr, got);
got = glswGetShadersAlt("shaders.Header.Fragment+shaders.Shared+shaders.SimpleFragmentColoured", pDFragStr, 3);
CreateShader(&frgClrShdr, FRAG, pDFragStr, got);
CreateShaderProgram(&colour_shader);
AddShaderToProgram(&colour_shader,&vtxClrShdr);
AddShaderToProgram(&colour_shader,&frgClrShdr);
LinkShaderProgram(&colour_shader);
//shader (LIGHTMAP)
got = glswGetShadersAlt("shaders.Header.Vertex+shaders.Shared+shaders.SimpleVertexLightmap", pDVertStr, 3);
CreateShader(&vtxLightShdr, VERT, pDVertStr, got);
got = glswGetShadersAlt("shaders.Header.Fragment+shaders.Shared+shaders.SimpleFragmentLightmap", pDFragStr, 3);
CreateShader(&frgLightShdr, FRAG, pDFragStr, got);
CreateShaderProgram(&light_map_shader);
AddShaderToProgram(&light_map_shader, &vtxLightShdr);
AddShaderToProgram(&light_map_shader, &frgLightShdr);
LinkShaderProgram(&light_map_shader);
//this will delete them after we have deleted the program associated with them
DeleteShader(&vtxTxShdr);
DeleteShader(&frgTxShdr);
DeleteShader(&vtxClrShdr);
DeleteShader(&frgClrShdr);
DeleteShader(&vtxLightShdr);
DeleteShader(&frgLightShdr);
}
void setup() {
// 3. Define and compile vertex and fragment shaders
GLuint vs;
GLuint fs;
GLint compileSuccess, linkSuccess;
GLchar compilerSpew[256];
glswInit();
glswSetPath("../shader/", ".glsl");
glswAddDirectiveToken("GL3", "#version 150");
const char *vss = glswGetShader("test.Vertex.GL3");
const char *fss = glswGetShader("test.Fragment.GL3");
PezCheckCondition((void *)vss, "Can't find vertex shader.\n");
PezCheckCondition((void *)fss, "Can't find fragment shader.\n");
vs = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vs, 1, &vss, NULL);
glCompileShader(vs);
glGetShaderiv(vs, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(vs, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition((void*)compileSuccess, compilerSpew);
fs = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fs, 1, &fss, NULL);
glCompileShader(fs);
glGetShaderiv(fs, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(fs, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition((void*)compileSuccess, compilerSpew);
shaderProgram = glCreateProgram();
glAttachShader(shaderProgram, vs);
glAttachShader(shaderProgram, fs);
glBindFragDataLocation(shaderProgram, 0, "fragColour");
glLinkProgram(shaderProgram);
glGetProgramiv(shaderProgram, GL_LINK_STATUS, &linkSuccess);
glGetProgramInfoLog(shaderProgram, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition((void*)linkSuccess, compilerSpew);
positionUniform = glGetUniformLocation(shaderProgram, "p");
colourAttribute = glGetAttribLocation(shaderProgram, "colour");
positionAttribute = glGetAttribLocation(shaderProgram, "position");
glDeleteShader(vs);
glDeleteShader(fs);
GLfloat vertexData[]= { -0.5,-0.5,0.0,1.0, 1.0,0.0,0.0,1.0,
-0.5, 0.5,0.0,1.0, 0.0,1.0,0.0,1.0,
0.5, 0.5,0.0,1.0, 0.0,0.0,1.0,1.0,
0.5,-0.5,0.0,1.0, 1.0,1.0,1.0,1.0};
glGenVertexArrays(1, &vertexArrayObject);
glBindVertexArray(vertexArrayObject);
glGenBuffers(1, &vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, 4*8*sizeof(GLfloat), vertexData, GL_STATIC_DRAW);
glEnableVertexAttribArray((GLuint)positionAttribute);
glEnableVertexAttribArray((GLuint)colourAttribute );
glVertexAttribPointer((GLuint)positionAttribute, 4, GL_FLOAT, GL_FALSE, 8*sizeof(GLfloat), 0);
glVertexAttribPointer((GLuint)colourAttribute , 4, GL_FLOAT, GL_FALSE, 8*sizeof(GLfloat), (char*)0+4*sizeof(GLfloat));
}
void Setup(CPlatform * const pPlatform)
{
//for the shapes
unsigned int nTorusFloats;
float *pTorusVertices = 0;
float *pPlaneVertices = 0;
float colour[] = {1.0f,0.0f,0.0f, 0.0f,1.0f,0.0f, 0.0f,0.0f,1.0f};
unsigned int torusSegments = 36, torusTubeSegments = 36;
//for the shaders
const char *pVertStr[2] = {0,0}, *pFragStr = 0;
const char *pFragTexStr = 0, *pVertTexStr = 0;
//fbo stuff
WRender::Texture::SDescriptor descDepth = {WRender::Texture::TEX_2D, WRender::Texture::DEPTH_COMPONENT24, TEX_DIMENSIONS, TEX_DIMENSIONS, 0, 0, WRender::Texture::DONT_GEN_MIPMAP};
WRender::Texture::SParam param[] ={
{ WRender::Texture::MIN_FILTER, WRender::Texture::LINEAR},
{ WRender::Texture::MAG_FILTER, WRender::Texture::LINEAR},
{ WRender::Texture::WRAP_S, WRender::Texture::CLAMP_TO_EDGE},
{ WRender::Texture::WRAP_T, WRender::Texture::CLAMP_TO_EDGE},
};
glswInit();
glswSetPath("../resources/", ".glsl");
glswAddDirectiveToken("MultiShadow", "#define NUM_SHADOWS "NUM_SHADOWS_CHAR);
WRender::SetClearColour(0,0,0,0);
WRender::EnableCulling(true);
// - - - - - - - - - -
//setup the shaders
// - - - - - - - - - -
//normal shader
glswGetShadersAlt("shaders.Shared+shaders.MultiShadow.Vertex", pVertStr, 2);
pFragStr = glswGetShaders("shaders.MultiShadow.Fragment");
CShader vertexShader(CShader::VERT, pVertStr, 2);
CShader fragmentShader(CShader::FRAG, &pFragStr, 1);
program.Initialise();
program.AddShader(&vertexShader);
program.AddShader(&fragmentShader);
program.Link();
uShadowMtx = program.GetUniformLocation("Shadows.shadowMtx");
program.Start();
program.SetTextureUnit("shadowMap", 0);
program.Stop();
//debug shader for textures in screen space
pVertTexStr = glswGetShaders("shaders.Dbg.ScreenSpaceTexture.Vertex");
pFragTexStr = glswGetShaders("shaders.Dbg.ScreenSpaceTexture.Fragment");
CShader vTexShader(CShader::VERT, &pVertTexStr, 1);
CShader fTexShader(CShader::FRAG, &pFragTexStr, 1);
textureShader.Initialise();
textureShader.AddShader(&vTexShader);
textureShader.AddShader(&fTexShader);
textureShader.Link();
textureShader.Start();
textureShader.SetTextureUnit("texture",1);
textureShader.Stop();
// - - - - - - - - - -
//set up shapes
// - - - - - - - - - -
//shared colours
abColour = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(colour), colour);
//Torus
nTorusVertices = 2*torusTubeSegments*torusSegments*3;
nTorusFloats = nTorusVertices*3;
pTorusVertices = new float[nTorusFloats];
CreateTorus(pTorusVertices, torusSegments, 3.0f, torusTubeSegments, 1.0f);
vaoTorus = WRender::CreateVertexArrayObject();
abTorus = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(float)*nTorusFloats, pTorusVertices);
WRender::BindVertexArrayObject(vaoTorus);
WRender::VertexAttribute vaTorus[2] = {
{abTorus, 0, 3, WRender::FLOAT, 0, sizeof(float)*3, 0, 0},
{abColour, 1, 3, WRender::FLOAT, 0, sizeof(float)*9, sizeof(float)*6, 1},
};
WRender::SetAttributeFormat( vaTorus, 2, 0);
delete[] pTorusVertices;
//Plane
pPlaneVertices = new float[4*3*3];
CreatePlane(pPlaneVertices, 20.0f, 20.0f);
vaoPlane = WRender::CreateVertexArrayObject();
abPlane = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(float)*4*3*3, pPlaneVertices);
WRender::BindVertexArrayObject(vaoPlane);
WRender::VertexAttribute vaFrustum[2] = {
{abPlane, 0, 3, WRender::FLOAT, 0, sizeof(float)*3, 0, 0},
{abColour, 1, 3, WRender::FLOAT, 0, sizeof(float)*9, sizeof(float)*3, 1},
};
WRender::SetAttributeFormat( vaFrustum, 2, 0);
delete[] pPlaneVertices;
//for screen aligned texture
sqVao = WRender::CreateVertexArrayObject();
sqEab = WRender::CreateBuffer(WRender::ELEMENTS, WRender::STATIC, sizeof(sqIndices), sqIndices);
sqAb = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(sqVertices), sqVertices);
WRender::BindVertexArrayObject(sqVao);
WRender::BindBuffer(WRender::ELEMENTS, sqEab);
WRender::VertexAttribute sqVa[2] = {
{sqAb, 0, 3, WRender::FLOAT, 0, sizeof(float)*5, 0, 0}, //vertices
{sqAb, 1, 2, WRender::FLOAT, 0, sizeof(float)*5, sizeof(float)*3, 0}, //texture coordinates
};
WRender::SetAttributeFormat( sqVa, 2, 0);
WRender::UnbindVertexArrayObject();
// - - - - - - - - - -
//ubo for cameras etc
// - - - - - - - - - -
ubo = WRender::CreateBuffer(WRender::UNIFORM, WRender::DYNAMIC, sizeof(Transforms), &transform);
WRender::BindBufferToIndex(WRender::UNIFORM, ubo, 1);
shadowUBO = WRender::CreateBuffer(WRender::UNIFORM, WRender::DYNAMIC, sizeof(CMatrix44)*(NUM_SHADOWS+1), shadowMtx);
WRender::BindBufferToIndex(WRender::UNIFORM, shadowUBO, 2);
// - - - - - - - - - -
//FBO for shadows
// - - - - - - - - - -
//create the texture and FBO for rendering to when drawing
//during shadow stage
for(unsigned int i=0;i<NUM_SHADOWS; i++)
{
WRender::CreateFrameBuffer(fbo[i]);
WRender::ActiveTexture(WRender::Texture::Unit(WRender::Texture::UNIT_0+i));
WRender::CreateBaseTexture(depthTexture[i], descDepth);
WRender::SetTextureParams(depthTexture[i],param,4);
WRender::AddTextureRenderBuffer(fbo[i], depthTexture[i], WRender::ATT_DEPTH, 0); //add it to the FBO
WRender::BindTexture(depthTexture[i],WRender::Texture::Unit(WRender::Texture::UNIT_0+i)); //bind it to a tex unit
WRender::BindFrameBuffer(WRender::FrameBuffer::DRAW, fbo[i]);
WRender::SetDrawBuffer(WRender::DB_NONE);
WRender::CheckFrameBuffer(fbo[i]);
}
//set the projection matrix
Transform::CreateProjectionMatrix(transforms.proj, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 50.0f);
for(unsigned int i=0;i<NUM_SHADOWS; i++)
shadow_transform[i].ResizeStack(10);
}
