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load shaders from files.

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This commit is contained in:
David Allemang
2020-01-10 15:59:23 -05:00
parent f54d34455b
commit 9989933853
7 changed files with 126 additions and 66 deletions
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74
vis/src/main.cpp
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@@ -44,78 +44,22 @@ int main(int argc, char *argv[]) {
std::cout << utilInfo();
const std::string VS_SOURCE =
"#version 430\n"
"layout(location=0) uniform mat4 proj;"
"layout(location=1) uniform mat4 view;"
""
"layout(location=0) in vec4 pos;"
""
"out vec4 vpos;"
""
"void main() {"
" int i = gl_VertexID;"
" vpos = view * pos;"
" gl_Position = proj * vec4(vpos.xyz / (1), 1);"
// " gl_Position = proj * vec4(vpos.xyz / (1 - vpos.w), 1);"
" gl_PointSize = 5;"
"}";
GLuint pgm;
const std::string FS_SOURCE =
"#version 430\n"
"layout(location=2) uniform vec3 c;"
""
"in vec4 vpos;"
""
"out vec4 color;"
""
"void main() {"
" float d = smoothstep(-2, 2, vpos.z);"
" vec3 off = 1.04 * vec3(0, 2, 4) + 2 * vec3(vpos.w);"
" color = vec4(c * d, 1);"
"}";
try {
GLuint vs = utilCompileFiles(GL_VERTEX_SHADER, {"shaders/ortho.vs.glsl"});
GLuint fs = utilCompileFiles(GL_FRAGMENT_SHADER, {"shaders/w-axis-hue.fs.glsl"});
//region init shaders
GLuint vs = glCreateShader(GL_VERTEX_SHADER);
utilShaderSource(vs, {VS_SOURCE});
glCompileShader(vs);
GLuint fs = glCreateShader(GL_FRAGMENT_SHADER);
utilShaderSource(fs, {FS_SOURCE});
GLuint pgm = glCreateProgram();
glAttachShader(pgm, vs);
glAttachShader(pgm, fs);
glLinkProgram(pgm);
GLint status;
glGetShaderiv(vs, GL_COMPILE_STATUS, &status);
if (!status) {
std::cerr << utilShaderInfoLog(vs) << "\n=========\n" << std::endl;
}
glGetShaderiv(fs, GL_COMPILE_STATUS, &status);
if (!status) {
std::cerr << utilShaderInfoLog(fs) << "\n=========\n" << std::endl;
}
glGetProgramiv(pgm, GL_LINK_STATUS, &status);
if (!status) {
std::cerr << utilProgramInfoLog(pgm) << "\n=========\n" << std::endl;
pgm = utilLinkProgram({vs, fs});
} catch (const gl_error &e) {
std::cerr << e.what() << std::endl;
glfwTerminate();
return EXIT_FAILURE;
exit(EXIT_FAILURE);
}
//endregion
auto group = tc::group::H(3);
auto group = tc::schlafli({5, 3, 3});
auto res = group.solve();
auto mirrors = mirror(group);
std::cout << "Solved " << res.size() << std::endl;
std::cout << "Mirror lengths:" << std::endl;
for (const auto &m : mirrors) {
std::cout << glm::length(m) << " (" << m.x << " " << m.y << " " << m.z << " " << m.w << ")" << std::endl;
}
auto corners = plane_intersections(mirrors);
auto start = barycentric(corners, {1.00, 1.00, 1.00, 1.00});