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);
}
GLuint CreateProgram(const char* vsKey, const char* fsKey)
{
static int first = 1;
if (first)
{
glswInit();
glswAddPath("../", ".glsl");
glswAddPath("./", ".glsl");
char qualifiedPath[128];
strcpy(qualifiedPath, PezResourcePath());
strcat(qualifiedPath, "/");
glswAddPath(qualifiedPath, ".glsl");
first = 0;
}
const char* vsSource = glswGetShader(vsKey);
const char* fsSource = glswGetShader(fsKey);
const char* msg = "Can't find %s shader: '%s'.\n";
PezCheckCondition(vsSource != 0, msg, "vertex", vsKey);
PezCheckCondition(fsSource != 0, msg, "fragment", fsKey);
GLint compileSuccess;
GLchar compilerSpew[256];
GLuint vsHandle = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vsHandle, 1, &vsSource, 0);
glCompileShader(vsHandle);
glGetShaderiv(vsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(vsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, "Can't compile %s:\n%s", vsKey, compilerSpew);
GLuint fsHandle = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fsHandle, 1, &fsSource, 0);
glCompileShader(fsHandle);
glGetShaderiv(fsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(fsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, "Can't compile %s:\n%s", fsKey, compilerSpew);
GLuint programHandle = glCreateProgram();
glAttachShader(programHandle, vsHandle);
glAttachShader(programHandle, fsHandle);
glLinkProgram(programHandle);
GLint linkSuccess;
glGetProgramiv(programHandle, GL_LINK_STATUS, &linkSuccess);
glGetProgramInfoLog(programHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(linkSuccess, "Can't link %s with %s:\n%s", vsKey, fsKey, compilerSpew);
return programHandle;
}
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 Setup(CPlatform * const pPlatform)
{
unsigned int got = 0;
const char *pVertStr[2] = {0,0}, *pFragStr[2] = {0,0};
float *pFrustumVertices = 0;
float colour[] = {1.0f,0.0f,0.0f, 0.0f,1.0f,0.0f, 0.0f,0.0f,1.0f};
int nFacets = 0;
glswInit();
glswSetPath( "../resources/", ".glsl" );
WRender::SetClearColour(0,0,0,0);
WRender::EnableCulling(true);
// - - - - - - - - - - - - - - - - - - - -
// - - - - - - - - - - - - - - - - - - - -
glswGetShadersAlt( "shaders.Shared+shaders.Skymap.Vertex", pVertStr, 2);
glswGetShadersAlt( "shaders.Shared+shaders.Skymap.Fragment", pFragStr, 2);
CShader vertexShader(CShader::VERT, pVertStr, 2);
CShader fragmentShader(CShader::FRAG, pFragStr, 2);
//setup the shaders
program_cube.Initialise();
program_cube.AddShader(&vertexShader);
program_cube.AddShader(&fragmentShader);
program_cube.Link();
program_cube.Start();
program_cube.SetTextureUnit("cube_map",0);
// - - - - - - - - - -
//set up shapes
box = CreateShapeCube();
sphere = CreateShapeSphereNormals();
//sphere = CreateShapeSphere();
//sphere = CreateShapeCylinder();
//sphere = CreateShapeCone();
//sphere = CreateShapeTorus();
// - - - - - - - - - -
// set up cubemap
CreateCubeMapTextures();
//ubo for cameras etc
ubo = WRender::CreateBuffer(WRender::UNIFORM, WRender::DYNAMIC, sizeof(Transforms), &transform);
WRender::BindBufferToIndex(WRender::UNIFORM, ubo, 1);
Transform::CreateProjectionMatrix(transforms.proj, -0.1f, 0.1f, -0.1f, 0.1f, 0.1f, 50.0f);
}
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();
}
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[3] = {0,0,0}, *pFragStr = 0;
const char *pFragTexStr = 0, *pVertTexStr = 0;
//fbo stuff
WRender::Texture::SDescriptor descDepth = {WRender::Texture::TEX_2D, WRender::Texture::DEPTH_COMPONENT, 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");
WRender::SetClearColour(0,0,0,0);
WRender::EnableCulling(true);
// - - - - - - - - - -
//setup the shaders
// - - - - - - - - - -
//normal shader
glswGetShadersAlt("shaders.Version+shaders.Shared+shaders.SingleShadow.Vertex", pVertStr, 3);
pFragStr = glswGetShaders("shaders.Version+shaders.SingleShadow.Fragment");
CShader vertexShader(CShader::VERT, pVertStr, 3);
CShader fragmentShader(CShader::FRAG, &pFragStr, 1);
program.Initialise();
program.AddShader(&vertexShader);
program.AddShader(&fragmentShader);
program.Link();
uShadowMtx = program.GetUniformLocation("shadowMtx");
program.Start();
program.SetTextureUnit("shadowMap", 0);
program.Stop();
//debug shader for textures in screen space
pVertTexStr = glswGetShaders("shaders.Version+shaders.Dbg.ScreenSpaceTexture.Vertex");
pFragTexStr = glswGetShaders("shaders.Version+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",0);
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);
//create the texture and FBO for rendering to when drawing
//during shadow stage
WRender::CreateBaseTexture(depthTexture, descDepth);
WRender::SetTextureParams(depthTexture,param,4);
WRender::CreateFrameBuffer(fbo);
WRender::AddTextureRenderBuffer(fbo, depthTexture, WRender::ATT_DEPTH, 0);
WRender::BindFrameBuffer(WRender::FrameBuffer::DRAW, fbo);
WRender::SetDrawBuffer(WRender::DB_NONE);
WRender::CheckFrameBuffer(fbo);
//set the projection matrix
Transform::CreateProjectionMatrix(transforms.proj, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 50.0f);
WRender::BindTexture(depthTexture,WRender::Texture::UNIT_0);
}
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(CPlatform * const pPlatform)
{
float vertices[3] = {0,0,0};
WRender::RenderBuffer::SDescriptor rboDesc = {WRender::RenderBuffer::RGBA8, WIDTH_HEIGHT, WIDTH_HEIGHT, 0};
const char* pV = 0;
const char* pF = 0;
glswInit();
glswSetPath("../resources/", ".glsl");
//setup the textures
WRender::Texture::SDescriptor desc = {WRender::Texture::TEX_2D, WRender::Texture::RGB8, WIDTH_HEIGHT, WIDTH_HEIGHT, 0, 0, WRender::Texture::DONT_GEN_MIPMAP};
WRender::Texture::SDescriptor descDepth = {WRender::Texture::TEX_2D, WRender::Texture::DEPTH_COMPONENT, WIDTH_HEIGHT, WIDTH_HEIGHT, 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::REPEAT},
{ WRender::Texture::WRAP_T, WRender::Texture::REPEAT},
};
WRender::CreateBaseTexture(texR, desc);
WRender::CreateBaseTexture(texG, desc);
WRender::CreateBaseTexture(texB, desc);
WRender::CreateBaseTexture(texD, descDepth);
WRender::SetTextureParams(texR,param,4);
WRender::SetTextureParams(texG,param,4);
WRender::SetTextureParams(texB,param,4);
WRender::SetTextureParams(texD,param,4);
//Setup Render Buffer
WRender::CreateRenderBuffer(rbo,rboDesc);
//setup Frame Buffer
WRender::CreateFrameBuffer(fbo);
WRender::AddTextureRenderBuffer(fbo, texR, WRender::ATT_CLR0, 0);
//WRender::AddTextureRenderBuffer(fbo, texG, WRender::ATT_CLR1, 0);
WRender::AddTextureRenderBuffer(fbo, texB, WRender::ATT_CLR2, 0);
WRender::AddRenderBuffer(fbo, rbo, WRender::ATT_CLR3);
WRender::AddTextureRenderBuffer(fbo, texD, WRender::ATT_DEPTH, 0); //FOR DEPTH INDEX DOESN'T MATTER
WRender::CheckFrameBuffer(fbo);
//setup blitting FBO
WRender::CreateFrameBuffer(fboForBlitting);
WRender::AddTextureRenderBuffer(fboForBlitting, texG, WRender::ATT_CLR0, 0);
WRender::CheckFrameBuffer(fboForBlitting);
//setup shaders
pV = glswGetShaders("shaders.Version+shaders.MRT.Stage1.Vertex");
pF = glswGetShaders("shaders.Version+shaders.MRT_2.Stage1.Fragment");
CShader vertexShader(CShader::VERT, &pV, 1);
CShader fragmentShader(CShader::FRAG, &pF, 1);
pV = glswGetShaders("shaders.Version+shaders.MRT.Stage2.Vertex");
pF = glswGetShaders("shaders.Version+shaders.MRT.Stage2.Fragment");
CShader vertexShaderStage2(CShader::VERT, &pV, 1);
CShader fragmentShaderStage2(CShader::FRAG, &pF, 1);
program[0].Initialise();
program[0].AddShader(&vertexShader);
program[0].AddShader(&fragmentShader);
program[0].Link();
program[1].Initialise();
program[1].AddShader(&vertexShaderStage2);
program[1].AddShader(&fragmentShaderStage2);
program[1].Link();
//quickly set the uniforms
program[1].Start();
program[1].SetTextureUnit("mrt",0);
program[1].Stop();
// setup vertex buffers etc
//axis
vao = WRender::CreateVertexArrayObject();
ab = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(vertices), vertices);
WRender::BindVertexArrayObject(vao);
WRender::VertexAttribute va[1] = {
{ab, 0, 3, WRender::FLOAT, 0, sizeof(float)*3, 0, 0}, //vertices
};
WRender::SetAttributeFormat( va, 1, 0);
WRender::UnbindVertexArrayObject();//needed
//square
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();
//variables for camera
float latitude = 0.0f, longitude = 0.0f;
CVec3df cameraPosition(0, 0.0f, -3.0f);
Transforms transforms;
Transform::CreateProjectionMatrix(transforms.proj, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 10.0f); //for rendering first time aorund
WRender::EnableDepthTest(true);
}
GLuint CreateProgram(const char* vsKey, const char* gsKey, const char* fsKey)
{
static int first = 1;
if (first) {
glswInit();
glswAddPath("../", ".glsl");
glswAddPath("./", ".glsl");
char qualifiedPath[128];
strcpy(qualifiedPath, PezResourcePath());
strcat(qualifiedPath, "/");
glswAddPath(qualifiedPath, ".glsl");
glswAddDirective("*", "#version 150");
first = 0;
}
const char* vsSource = glswGetShader(vsKey);
const char* gsSource = glswGetShader(gsKey);
const char* fsSource = glswGetShader(fsKey);
const char* msg = "Can't find %s shader: '%s'.\n";
PezCheckCondition(vsSource != 0, msg, "vertex", vsKey);
PezCheckCondition(gsKey == 0 || gsSource != 0, msg, "geometry", gsKey);
PezCheckCondition(fsKey == 0 || fsSource != 0, msg, "fragment", fsKey);
GLint compileSuccess;
GLchar compilerSpew[256];
GLuint programHandle = glCreateProgram();
GLuint vsHandle = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vsHandle, 1, &vsSource, 0);
glCompileShader(vsHandle);
glGetShaderiv(vsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(vsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, "Can't compile %s:\n%s", vsKey, compilerSpew);
glAttachShader(programHandle, vsHandle);
GLuint gsHandle;
if (gsKey) {
gsHandle = glCreateShader(GL_GEOMETRY_SHADER);
glShaderSource(gsHandle, 1, &gsSource, 0);
glCompileShader(gsHandle);
glGetShaderiv(gsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(gsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, "Can't compile %s:\n%s", gsKey, compilerSpew);
glAttachShader(programHandle, gsHandle);
}
GLuint fsHandle;
if (fsKey) {
fsHandle = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fsHandle, 1, &fsSource, 0);
glCompileShader(fsHandle);
glGetShaderiv(fsHandle, GL_COMPILE_STATUS, &compileSuccess);
glGetShaderInfoLog(fsHandle, sizeof(compilerSpew), 0, compilerSpew);
PezCheckCondition(compileSuccess, "Can't compile %s:\n%s", fsKey, compilerSpew);
glAttachShader(programHandle, fsHandle);
}
glLinkProgram(programHandle);
GLint linkSuccess;
glGetProgramiv(programHandle, GL_LINK_STATUS, &linkSuccess);
glGetProgramInfoLog(programHandle, sizeof(compilerSpew), 0, compilerSpew);
if (!linkSuccess) {
PezDebugString("Link error.\n");
if (vsKey) PezDebugString("Vertex Shader: %s\n", vsKey);
if (gsKey) PezDebugString("Geometry Shader: %s\n", gsKey);
if (fsKey) PezDebugString("Fragment Shader: %s\n", fsKey);
PezDebugString("%s\n", compilerSpew);
}
return programHandle;
}
int main( int argc, char *argv[] )
{
printf("Game Data Dir: %s\n", getResourceDir().c_str() );
// Initialize GLSW
glswInit();
glswSetPath( getResourceDir().c_str(), ".glsl" );
// Initialize SDL
if (SDL_Init( SDL_INIT_NOPARACHUTE | SDL_INIT_VIDEO ) < 0 )
{
printf("Unable to init SDL: %s\n", SDL_GetError() );
exit(1);
}
// cheezy check for fullscreen
Uint32 mode_flags = SDL_OPENGL;
for (int i=1; i < argc; i++)
{
if (!_stricmp( argv[i], "-fullscreen"))
{
mode_flags |= SDL_FULLSCREEN;
}
}
// TODO: flag to control this
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, 4 );
if (SDL_SetVideoMode( 800, 600, 32, mode_flags ) == 0 )
{
printf( "Unable to set video mode: %s\n", SDL_GetError() ) ;
exit(1);
}
SDL_WM_SetCaption( "LD{{number}} - {{Project}}", NULL );
TemplateGame *game = new TemplateGame();
game->init();
// init graphics
// FIXME: screen size
glViewport( 0, 0, 800, 600 );
//=====[ Main loop ]======
bool done = false;
Uint32 ticks = SDL_GetTicks(), ticks_elapsed, sim_ticks = 0;
while(!done)
{
SDL_Event event;
while (SDL_PollEvent( &event ) )
{
switch (event.type )
{
case SDL_KEYDOWN:
switch( event.key.keysym.sym )
{
case SDLK_ESCAPE:
done = true;
break;
default:
game->keypress( event.key.keysym.sym );
break;
}
break;
case SDL_MOUSEMOTION:
game->mouseMotion( event.motion.xrel, event.motion.yrel );
break;
case SDL_MOUSEBUTTONDOWN:
game->mouseButton( event.button );
break;
case SDL_MOUSEBUTTONUP:
game->mouseButton( event.button );
break;
case SDL_QUIT:
done = true;
break;
default:
break;
}
}
// Do continuous keys
Uint8 *keyState = SDL_GetKeyState( NULL );
// convert to btn mask
Uint32 btnMask = 0;
btnMask |= (keyState[SDLK_LEFT]||keyState[SDLK_a])?BTN_LEFT:0;
btnMask |= (keyState[SDLK_RIGHT]||keyState[SDLK_d])?BTN_RIGHT:0;
btnMask |= (keyState[SDLK_UP]||keyState[SDLK_w])?BTN_UP:0;
btnMask |= (keyState[SDLK_DOWN]||keyState[SDLK_s])?BTN_DOWN:0;
btnMask |= (keyState[SDLK_z]||keyState[SDLK_COMMA])?BTN_A:0;
btnMask |= (keyState[SDLK_x]||keyState[SDLK_PERIOD])?BTN_B:0;
game->updateButtons( btnMask );
// Timing
ticks_elapsed = SDL_GetTicks() - ticks;
ticks += ticks_elapsed;
// fixed sim update
sim_ticks += ticks_elapsed;
while (sim_ticks > STEPTIME)
{
sim_ticks -= STEPTIME;
//printf("update sim_ticks %d ticks_elapsed %d\n", sim_ticks, ticks_elapsed );
game->updateSim( (float)STEPTIME / 1000.0f );
}
// redraw as fast as possible
float dtRaw = (float)(ticks_elapsed) / 1000.0f;
game->updateFree( dtRaw );
game->redraw();
SDL_GL_SwapBuffers();
// Call this once a frame if using tweakables
//ReloadChangedTweakableValues();
}
// Shut down game
game->shutdown();
delete game;
// Restore SDL stuff
SDL_ShowCursor( true );
SDL_WM_GrabInput( SDL_GRAB_OFF );
// Shutdown glsw
glswShutdown();
return 0;
}
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)
{
unsigned int got = 0;
const char *pVertStr[3] = {0,0,0}, *pFragStr = 0;
unsigned int nSphereFloats;
float *pSphereVertices = 0;
unsigned int iterations = 7;
int nFacets = 0;
glswInit();
glswSetPath("../resources/", ".glsl");
WRender::SetClearColour(0,0,0,0);
WRender::EnableCulling(true);
got = glswGetShadersAlt("shaders.Version+shaders.Shared+shaders.FlatShading.Vertex", pVertStr, 3);
pFragStr = glswGetShaders("shaders.Version+shaders.FlatShading.Fragment");
CShader vertexShader(CShader::VERT, pVertStr, got);
CShader fragmentShader(CShader::FRAG, &pFragStr, 1);
pVertStr[0] = glswGetShaders("shaders.Version+shaders.Gamma.Vertex");
pFragStr = glswGetShaders("shaders.Version+shaders.Gamma.Fragment");
CShader vertexShaderStage2(CShader::VERT, &pVertStr[0], 1);
CShader fragmentShaderStage2(CShader::FRAG, &pFragStr, 1);
// - - - - - - - - - -
//setup the shaders
program[0].Initialise();
program[0].AddShader(&vertexShader);
program[0].AddShader(&fragmentShader);
program[0].Link();
program[1].Initialise();
program[1].AddShader(&vertexShaderStage2);
program[1].AddShader(&fragmentShaderStage2);
program[1].Link();
program[1].Start();
program[1].SetTextureUnit("src_image",0);
program[1].Stop();
// - - - - - - - - - -
//setup the textures
WRender::Texture::SDescriptor desc = {WRender::Texture::TEX_2D, WRender::Texture::RGB8, WIDTH_HEIGHT, WIDTH_HEIGHT, 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::REPEAT},
{ WRender::Texture::WRAP_T, WRender::Texture::REPEAT},
};
WRender::CreateBaseTexture(texR, desc);
WRender::SetTextureParams(texR,param,4);
//setup Frame Buffer
WRender::CreateFrameBuffer(fbo);
WRender::AddTextureRenderBuffer(fbo, texR, WRender::ATT_CLR0, 0);
WRender::CheckFrameBuffer(fbo);
// - - - - - - - - - -
//set up shapes
//SPHERE
nSphereVertices = unsigned int(powl(4.0,long double(iterations)))*8*3;
nSphereFloats = nSphereVertices*3;
pSphereVertices = new float[nSphereFloats];
nFacets = CreateNSphere(pSphereVertices, iterations);
vaoSphere = WRender::CreateVertexArrayObject();
abSphere = WRender::CreateBuffer(WRender::ARRAY, WRender::STATIC, sizeof(float)*nSphereFloats, pSphereVertices);
WRender::BindVertexArrayObject(vaoSphere);
WRender::VertexAttribute vaSphere[1] = {
{abSphere, 0, 3, WRender::FLOAT, 0, sizeof(float)*3, 0, 0}
};
WRender::SetAttributeFormat( vaSphere, 1, 0);
delete[] pSphereVertices;
//square
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);
Transform::CreateProjectionMatrix(transforms.proj, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 50.0f);
}
