meishibiezb/learn_gl
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fixed: 修复着色器编译问题

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meishibiezb
2026-03-05 01:22:04 +08:00
parent e7a3d1c064
commit 3420f1348d
2 changed files with 8 additions and 6 deletions
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12
src/main.rs
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@@ -33,28 +33,30 @@ fn main() {
let mut render_timer = RenderTimer::new(); let mut render_timer = RenderTimer::new();
// 编译着色器 // 编译着色器
let vs_src = include_bytes!(".\\shaders\\vs.glsl"); let vs_src = std::ffi::CString::new(include_str!(".\\shaders\\vs.glsl")).unwrap_or_default();
println!("Vs Shader:\n{}", vs_src.to_str().unwrap_or_default());
let vs_ptr = vs_src.as_ptr() as *const i8; let vs_ptr = vs_src.as_ptr() as *const i8;
let vs = unsafe { gl::CreateShader(gl::VERTEX_SHADER) }; let vs = unsafe { gl::CreateShader(gl::VERTEX_SHADER) };
unsafe { gl::ShaderSource(vs, 1, &vs_ptr as _, null()) }; unsafe { gl::ShaderSource(vs, 1, &vs_ptr as _, null()) };
unsafe { gl::CompileShader(vs) }; unsafe { gl::CompileShader(vs) };
let mut success = 0; let mut success = 0;
unsafe { gl::GetShaderiv(vs, gl::COMPILE_STATUS, &mut success) }; unsafe { gl::GetShaderiv(vs, gl::COMPILE_STATUS, &mut success) };
if success != 0 { if success == 0 {
let mut log = [0; 512]; let mut log = [0; 512];
unsafe { gl::GetShaderInfoLog(vs, 512, core::ptr::null_mut(), log.as_mut_ptr()) }; unsafe { gl::GetShaderInfoLog(vs, 512, core::ptr::null_mut(), log.as_mut_ptr()) };
let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) }; let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };
println!("{}", from_utf8(&log_u8).unwrap()); println!("{}", from_utf8(&log_u8).unwrap());
} }
let fs_src = include_bytes!(".\\shaders\\fs.glsl"); let fs_src = std::ffi::CString::new(include_str!(".\\shaders\\fs.glsl")).unwrap_or_default();
println!("Fs Shader:\n{}", fs_src.to_str().unwrap_or_default());
let fs_ptr = fs_src.as_ptr() as *const i8; let fs_ptr = fs_src.as_ptr() as *const i8;
let fs = unsafe { gl::CreateShader(gl::FRAGMENT_SHADER) }; let fs = unsafe { gl::CreateShader(gl::FRAGMENT_SHADER) };
unsafe { gl::ShaderSource(fs, 1, &fs_ptr as _, null()) }; unsafe { gl::ShaderSource(fs, 1, &fs_ptr as _, null()) };
unsafe { gl::CompileShader(fs) }; unsafe { gl::CompileShader(fs) };
let mut success = 0; let mut success = 0;
unsafe { gl::GetShaderiv(fs, gl::COMPILE_STATUS, &mut success) }; unsafe { gl::GetShaderiv(fs, gl::COMPILE_STATUS, &mut success) };
if success != 0 { if success == 0 {
let mut log = [0; 512]; let mut log = [0; 512];
unsafe { gl::GetShaderInfoLog(fs, 512, core::ptr::null_mut(), log.as_mut_ptr()) }; unsafe { gl::GetShaderInfoLog(fs, 512, core::ptr::null_mut(), log.as_mut_ptr()) };
let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) }; let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };
@@ -68,7 +70,7 @@ fn main() {
unsafe { gl::LinkProgram(sp) }; unsafe { gl::LinkProgram(sp) };
let mut success = 0; let mut success = 0;
unsafe { gl::GetProgramiv(sp, gl::LINK_STATUS, &mut success) }; unsafe { gl::GetProgramiv(sp, gl::LINK_STATUS, &mut success) };
if success != 0 { if success == 0 {
let mut log = [0; 512]; let mut log = [0; 512];
unsafe { gl::GetProgramInfoLog(sp, 512, null_mut(), log.as_mut_ptr()) }; unsafe { gl::GetProgramInfoLog(sp, 512, null_mut(), log.as_mut_ptr()) };
let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) }; let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };

2
src/shaders/fs.glsl
View File

@@ -3,5 +3,5 @@ out vec4 FragColor;
void main() void main()
{ {
FragColor = vec4(0.0f, 0.0f, 0.0f, 1.0f); FragColor = vec4(1.0, 0.2, 0.2, 1.0);
} }