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[Fix] (trace-replay): avoid attached FBO during GLES mipmap generation

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swung0x48
2026-06-22 19:39:25 +08:00
parent 252e59334d
commit 7419f62159
1 changed files with 26 additions and 0 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+26
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@@ -1605,6 +1605,29 @@ namespace MobileGL::MG_Backend::DirectGLES {
while (g_GLESFuncs.glGetError() != GL_NO_ERROR) {}
}
class ScopedDefaultFramebufferBinding {
public:
ScopedDefaultFramebufferBinding() {
GLint prevReadFBO = 0;
GLint prevDrawFBO = 0;
g_GLESFuncs.glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &prevReadFBO);
g_GLESFuncs.glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &prevDrawFBO);
m_prevReadFBO = static_cast<GLuint>(prevReadFBO);
m_prevDrawFBO = static_cast<GLuint>(prevDrawFBO);
g_GLESFuncs.glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
g_GLESFuncs.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
~ScopedDefaultFramebufferBinding() {
g_GLESFuncs.glBindFramebuffer(GL_READ_FRAMEBUFFER, m_prevReadFBO);
g_GLESFuncs.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_prevDrawFBO);
}
private:
GLuint m_prevReadFBO = 0;
GLuint m_prevDrawFBO = 0;
};
class ScopedDepthBlitState {
public:
ScopedDepthBlitState() {
@@ -2053,6 +2076,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
backendTexture->Bind(target, unitIndex);
DebugImpl::ErrorLopper::Clear();
// ANGLE/Mesa may validate the currently bound FBO while generating mipmaps.
// Avoid a feedback-loop style failure when the source texture is attached there.
ScopedDefaultFramebufferBinding defaultFramebuffer;
g_GLESFuncs.glGenerateMipmap(target);
AssertNoGLError("glGenerateMipmap");
}