GLSLProgram* ShaderManager::LoadFromStrings(const char* vertName, const char*fragName, std::string vertString, std::string fragString)
{
GLSLProgram* prog = new GLSLProgram();
if(!prog->compileShaderFromString(vertString, GLSLShader::VERTEX))
{
printf("Vertex shader failed to compile from string!\n%s", prog->log().c_str());
sLog(Level::Severe) << "Vertex shader <" << vertName << "> failed to compile from string." << prog->log();
assert(false && "Vertex shader failed to compile from string");
return NULL;
}
if(!prog->compileShaderFromString(fragString, GLSLShader::FRAGMENT))
{
printf("Fragment shader failed to compile from string!\n%s", prog->log().c_str());
sLog(Level::Severe) << "Fragment shader <" << fragName << "> failed to compile from string." << prog->log();
assert(false && "Fragment shader failed to compile from string");
return NULL;
}
if(!prog->link())
{
printf("Shader program failed to link!\n%s", prog->log().c_str());
sLog(Level::Severe) << "Shader program failed to link." << prog->log();
assert(false && "Shader program failed to link.");
return NULL;
}
assert(prog != NULL);
return prog;
}
//Loads and compiles vertice and fragment shaders from strings into one GLSLProgram*
GLSLProgram* ShaderManager::LoadFromStrings(std::string vertName, std::string fragName, std::string vertString, std::string fragString)
{
GLSLProgram* prog = new GLSLProgram();
///Compile the vertex portion of the shader
if(!prog->compileShaderFromString(vertString, GLSLShader::VERTEX))
{
printf("Vertex shader failed to compile from string!\n%s", prog->log().c_str());
assert(false && "Vertex shader failed to compile from string");
return NULL;
}
///Compile the fragment portion of the shader
if(!prog->compileShaderFromString(fragString, GLSLShader::FRAGMENT))
{
printf("Fragment shader failed to compile from string!\n%s", prog->log().c_str());
assert(false && "Fragment shader failed to compile from string");
return NULL;
}
///Links the shader to OpenGL using the handle obtained during the compile
if ( !prog->link() )
{
printf("Shader program failed to link!\n%s", prog->log().c_str());
assert(false && "Shader program failed to link.");
return NULL;
}
assert(prog != NULL);
return prog;
}
void SceneParticlesInstanced::compileAndLinkShader
(GLSLProgram& glslProg, const char* vertexPath, const char* fragmentPath, const char* geometryPath)
{
// "shader/particleinstanced.vs"
if( !glslProg.compileShaderFromFile(vertexPath, GLSLShader::VERTEX) )
{
printf("Vertex shader failed to compile!\n%s",
glslProg.log().c_str());
do
{
cout << '\n' << "Press a key to continue...";
} while (cin.get() != '\n');
exit(1);
}
// "shader/particleinstanced.fs"
if( !glslProg.compileShaderFromFile(fragmentPath, GLSLShader::FRAGMENT))
{
printf("Fragment shader failed to compile!\n%s",
glslProg.log().c_str());
do
{
cout << '\n' << "Press a key to continue...";
} while (cin.get() != '\n');
exit(1);
}
if (geometryPath != NULL && geometryPath[0] != '\0') {
// compile geometry shader
if (!glslProg.compileShaderFromFile(geometryPath, GLSLShader::GEOMETRY))
{
printf("Geometry shader failed to compile!\n%s",
glslProg.log().c_str());
do
{
cout << '\n' << "Press a key to continue...";
} while (cin.get() != '\n');
exit(1);
}
}
if( !glslProg.link() )
{
printf("Shader program failed to link!\n%s",
glslProg.log().c_str());
do
{
cout << '\n' << "Press a key to continue...";
} while (cin.get() != '\n');
exit(1);
}
glslProg.use();
}
void loadAssets()
{
loadParticles();
loadPlane();
pstack.push(glm::perspective(45.0f,
(GLfloat)window.GetWidth()/window.GetHeight(), 0.1f, 175.0f));
mstack.push(glm::lookAt(vec3(0, 2.7, 7), vec3(0, 2.4, 6), vec3(0, 1, 0)));
// Load terrain shader
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-vert.glsl",
GLSLShader::VERTEX)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-frag.glsl",
GLSLShader::FRAGMENT)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-tc.glsl",
GLSLShader::TESS_CONTROL)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-te.glsl",
GLSLShader::TESS_EVALUATION)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.link()) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
// Load plane shader
if (!d_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "default-vert.glsl",
GLSLShader::VERTEX)) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
if (!d_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "default-frag.glsl",
GLSLShader::FRAGMENT)) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
const char *outputNames[] = { "Position" };
glTransformFeedbackVaryings(d_program.getHandle(), 1, outputNames, GL_SEPARATE_ATTRIBS);
if (!d_program.link()) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
g_program.use();
g_program.setUniform("Viewport", viewport);
g_program.setUniform("MinTessLevel", 1.0f);
g_program.setUniform("MaxTessLevel", max_tess);
//g_program.setUniform("MaxTessLevel", 20.0f);
g_program.setUniform("NearClip", 0.1f);
g_program.setUniform("FarClip", 175.0f);
g_program.setUniform("NearFog", 10.0f);
g_program.setUniform("FarFog", 125.0f);
g_program.setUniform("Light0.position", vec3(L0POSITION));
g_program.setUniform("Light0.La", vec3(L0AMBIENT));
g_program.setUniform("Light0.Ld", vec3(L0DIFFUSE));
GLuint terrainmap = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "heightmap-vlarge.png",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint watermap = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "grass.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "stonesnow.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex3 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "water.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex4 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "foam.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint nmap1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "normalmap-vlarge.png",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint nmap2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap_NRM.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint omap1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "occmap-vlarge.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
omap2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap_OCC.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
plane = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "F16_diffusemap2.tga",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, terrainmap);
g_program.setUniform("TerrainMap", 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, watermap);
g_program.setUniform("WaterMap", 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, ttex1);
g_program.setUniform("TTex1", 2);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, ttex2);
g_program.setUniform("TTex2", 3);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, ttex3);
g_program.setUniform("TTex3", 4);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, ttex4);
g_program.setUniform("TTex4", 5);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, nmap1);
g_program.setUniform("NMap1", 6);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, nmap2);
g_program.setUniform("NMap2", 7);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE8);
glBindTexture(GL_TEXTURE_2D, omap1);
g_program.setUniform("OMap1", 8);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D, omap2);
g_program.setUniform("OMap2", 9);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
d_program.use();
plv = glGetSubroutineIndex(d_program.getHandle(), GL_VERTEX_SHADER, "RenderPlane");
plf = glGetSubroutineIndex(d_program.getHandle(), GL_FRAGMENT_SHADER, "RenderPlane");
pav = glGetSubroutineIndex(d_program.getHandle(), GL_VERTEX_SHADER, "RenderParticles");
paf = glGetSubroutineIndex(d_program.getHandle(), GL_FRAGMENT_SHADER, "RenderParticles");
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D, plane);
d_program.setUniform("PlaneTex", 9);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
d_program.setUniform("Light0.position", vec3(L0POSITION));
d_program.setUniform("Light0.La", vec3(L0AMBIENT));
d_program.setUniform("Light0.Ld", vec3(L0DIFFUSE));
loadLand(156, 100);
}
