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[Fix] (DirectGLES): key the border-colour sync memo on the authoritative representation, not just the float one

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swung0x48
2026-08-27 08:35:03 -04:00
parent 5f445e499f
commit 0db666897e
2 changed files with 16 additions and 3 deletions
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MobileGL/MG_Backend/DirectGLES/Managers.cpp
+10
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@@ -4613,9 +4613,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
// 1132396544, the bit pattern of that float. glTexParameterIiv/Iuiv are ES 3.2 core
// beside GL_TEXTURE_BORDER_COLOR itself, so they sit behind the same capability gate;
// the entry-point null check covers a driver that advertises the extension without them.
// The redundancy filter has to look at the AUTHORITATIVE representation, not just the
// float one: two integer borders that differ above 2^24 (16777216 and 16777217, say)
// collapse onto the same float, so a float-only comparison would skip the second sync and
// leave the driver holding the first value forever.
const auto borderColorForm = stateTextureObject->GetBorderColorForm();
if (!isMultisampleTarget && g_GLESCapabilities.SupportsTextureBorderClamp &&
(m_cacheBorderColor != stateTextureObject->GetBorderColor() ||
m_cacheBorderColorI != stateTextureObject->GetBorderColorI() ||
m_cacheBorderColorUI != stateTextureObject->GetBorderColorUI() ||
m_cacheBorderColorForm != borderColorForm)) {
if (borderColorForm == BorderColorForm::Int && g_GLESFuncs.glTexParameterIiv) {
const auto& borderColorI = stateTextureObject->GetBorderColorI();
@@ -4634,6 +4640,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
g_GLESFuncs.glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, borderColorArray);
}
m_cacheBorderColor = stateTextureObject->GetBorderColor();
m_cacheBorderColorI = stateTextureObject->GetBorderColorI();
m_cacheBorderColorUI = stateTextureObject->GetBorderColorUI();
m_cacheBorderColorForm = borderColorForm;
DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
@@ -7941,6 +7949,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
m_cacheSamplerParameters.maxAnisotropy = samplerParams.maxAnisotropy;
}
if (m_cacheSamplerParameters.borderColor != samplerParams.borderColor ||
m_cacheSamplerParameters.borderColorI != samplerParams.borderColorI ||
m_cacheSamplerParameters.borderColorUI != samplerParams.borderColorUI ||
m_cacheSamplerParameters.borderColorForm != samplerParams.borderColorForm) {
// Same gate as the texture-side border colour above, and the same reason for
// branching on the form: an integer border colour must reach the driver through