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updated ai shader

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This commit is contained in:
shinya 2026-05-21 12:30:30 +02:00
parent ea7f7ec704
commit d7ad154d20
2 changed files with 24 additions and 7 deletions
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1
shader_example/motion.frag
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@ -1,5 +1,4 @@
#version 330 core #version 330 core
precision mediump float;
in vec2 uv; in vec2 uv;

30
shader_example/shader.cpp
View File

@ -24,6 +24,14 @@ GLuint compile(GLenum t, const std::string& src)
const char* c = src.c_str(); const char* c = src.c_str();
glShaderSource(s, 1, &c, NULL); glShaderSource(s, 1, &c, NULL);
glCompileShader(s); glCompileShader(s);
GLint ok = 0;
glGetShaderiv(s, GL_COMPILE_STATUS, &ok);
if (!ok) {
char log[1024];
glGetShaderInfoLog(s, sizeof(log), NULL, log);
std::cout << "shader compile failed:\n" << log;
}
return s; return s;
} }
@ -37,9 +45,9 @@ int main()
glewInit(); glewInit();
// ---------------- LOAD IMAGES ---------------- // ---------------- LOAD IMAGES ----------------
int w,h,c; int w,h;
unsigned char* img1 = stbi_load("frame1.jpg",&w,&h,&c,4); unsigned char* img1 = stbi_load("frame1.jpg",&w,&h,NULL,4);
unsigned char* img2 = stbi_load("frame2.jpg",&w,&h,&c,4); unsigned char* img2 = stbi_load("frame2.jpg",&w,&h,NULL,4);
if(!img1 || !img2) if(!img1 || !img2)
{ {
@ -48,9 +56,9 @@ int main()
} }
// ---------------- TEXTURES ---------------- // ---------------- TEXTURES ----------------
GLuint texA, texB; GLuint tex[2];
glGenTextures(1,&texA); glGenTextures(2, tex);
glGenTextures(1,&texB); GLuint texA = tex[0], texB = tex[1];
auto upload = [&](GLuint t, unsigned char* d) auto upload = [&](GLuint t, unsigned char* d)
{ {
@ -86,6 +94,14 @@ int main()
glAttachShader(prog,f); glAttachShader(prog,f);
glLinkProgram(prog); glLinkProgram(prog);
GLint linked = 0;
glGetProgramiv(prog, GL_LINK_STATUS, &linked);
if (!linked) {
char log[1024];
glGetProgramInfoLog(prog, sizeof(log), NULL, log);
std::cout << "program link failed:\n" << log;
}
// ---------------- QUAD (FIXED) ---------------- // ---------------- QUAD (FIXED) ----------------
GLuint vao,vbo; GLuint vao,vbo;
@ -142,6 +158,8 @@ int main()
glReadPixels(0,0,w,h,GL_RGBA,GL_UNSIGNED_BYTE,out.data()); glReadPixels(0,0,w,h,GL_RGBA,GL_UNSIGNED_BYTE,out.data());
stbi_write_jpg("frameO.jpg",w,h,4,out.data(),90); stbi_write_jpg("frameO.jpg",w,h,4,out.data(),90);
stbi_image_free(img1);
stbi_image_free(img2);
std::cout << "done\n"; std::cout << "done\n";
} }