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Code Issues 121 Wiki Activity

Sanitize NaN/Inf in env cubemap and tonemap to stop one-frame black flashes

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Hirek
2026-05-01 17:20:43 +02:00
parent 49a123375f
commit ff258e3d3c
3 changed files with 36 additions and 7 deletions
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13
gl/cubemap.cpp
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@@ -17,11 +17,16 @@ gl::cubemap::~cubemap()
void gl::cubemap::alloc(GLint format, int width, int height, GLenum components, GLenum type)
{
glBindTexture(GL_TEXTURE_CUBE_MAP, *this);
for (GLuint tgt = GL_TEXTURE_CUBE_MAP_POSITIVE_X; tgt <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; tgt++)
glTexImage2D(tgt, 0, format, width, height, 0, components, type, nullptr);
glBindTexture(GL_TEXTURE_CUBE_MAP, *this);
for (GLuint tgt = GL_TEXTURE_CUBE_MAP_POSITIVE_X; tgt <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; tgt++)
glTexImage2D(tgt, 0, format, width, height, 0, components, type, nullptr);
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
// make the cubemap sample-complete with no mipmaps required.
// generate_mipmaps() will later override MIN_FILTER once mips actually exist.
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
}
void gl::cubemap::bind(int unit)