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Don't call glGenTextures every time the texture atlas updates

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This commit is contained in:
Dan Paulat 2023-09-10 21:44:19 -05:00
parent d78e650368
commit 555fbf479a
3 changed files with 25 additions and 13 deletions
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7
scwx-qt/source/scwx/qt/util/texture_atlas.cpp
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@ -323,10 +323,8 @@ void TextureAtlas::BuildAtlas(std::size_t width, std::size_t height)
++p->buildCount_;
}
GLuint TextureAtlas::BufferAtlas(gl::OpenGLFunctions& gl)
void TextureAtlas::BufferAtlas(gl::OpenGLFunctions& gl, GLuint texture)
{
GLuint texture = GL_INVALID_INDEX;
std::shared_lock lock(p->atlasMutex_);
if (p->atlasArray_.size() > 0u && p->atlasArray_[0].width() > 0 &&
@ -354,7 +352,6 @@ GLuint TextureAtlas::BufferAtlas(gl::OpenGLFunctions& gl)
lock.unlock();
gl.glGenTextures(1, &texture);
gl.glBindTexture(GL_TEXTURE_2D_ARRAY, texture);
gl.glTexParameteri(
@ -375,8 +372,6 @@ GLuint TextureAtlas::BufferAtlas(gl::OpenGLFunctions& gl)
GL_UNSIGNED_BYTE,
pixelData.data());
}
return texture;
}
TextureAttributes TextureAtlas::GetTextureAttributes(const std::string& name)

8
scwx-qt/source/scwx/qt/util/texture_atlas.hpp
View file

@ -72,10 +72,10 @@ public:
std::uint64_t BuildCount() const;
void RegisterTexture(const std::string& name, const std::string& path);
bool CacheTexture(const std::string& name, const std::string& path);
void BuildAtlas(std::size_t width, std::size_t height);
GLuint BufferAtlas(gl::OpenGLFunctions& gl);
void RegisterTexture(const std::string& name, const std::string& path);
bool CacheTexture(const std::string& name, const std::string& path);
void BuildAtlas(std::size_t width, std::size_t height);
void BufferAtlas(gl::OpenGLFunctions& gl, GLuint texture);
TextureAttributes GetTextureAttributes(const std::string& name);