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[Feat] (MG_Impl/Texture, MG_State/TextureState, MG_Impl/Framebuffer, MG_Test/Texture): implement multisample frontend state

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BZLZHH
2026-06-10 01:37:59 +08:00
parent 3da0b1dfd4
commit c499480692
11 changed files with 362 additions and 16 deletions
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MobileGL/MG_Test/Texture/TextureTest.cpp
+27
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@@ -123,6 +123,33 @@ TEST_F(TextureTest, BoundTexStorage2DAllocatesRedTextureForSubImageUpdates) {
EXPECT_EQ(MG_Impl::GLImpl::GetError(), GL_NO_ERROR);
}
TEST_F(TextureTest, TextureStorage2DMultisampleTracksNamedObjectState) {
GLuint texture = 0;
MG_Impl::GLImpl::CreateTextures(GL_TEXTURE_2D_MULTISAMPLE, 1, &texture);
MG_Impl::GLImpl::TextureStorage2DMultisample(texture, 4, GL_RGBA8, 8, 6, GL_TRUE);
const auto textureObject = MG_State::pGLContext->GetTextureObject(texture);
ASSERT_NE(textureObject, nullptr);
EXPECT_EQ(textureObject->GetTarget(), TextureTarget::Texture2DMultisample);
EXPECT_EQ(textureObject->GetSamples(), 4);
EXPECT_TRUE(textureObject->HasFixedSampleLocations());
auto* textureMipmapObject = static_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get());
ASSERT_NE(textureMipmapObject, nullptr);
EXPECT_EQ(textureMipmapObject->GetMipmapLevelCount(), 1u);
EXPECT_EQ(textureMipmapObject->GetMipmapTexelSize(TextureUploadTarget::Texture2DMultisample, 0), IntVec3(8, 6, 1));
EXPECT_FALSE(textureMipmapObject->IsStorageDirty(TextureUploadTarget::Texture2DMultisample, 0));
GLint samples = 0;
GLint fixed = 0;
MG_Impl::GLImpl::GetTextureLevelParameteriv(texture, 0, GL_TEXTURE_SAMPLES, &samples);
MG_Impl::GLImpl::GetTextureLevelParameteriv(texture, 0, GL_TEXTURE_FIXED_SAMPLE_LOCATIONS, &fixed);
EXPECT_EQ(samples, 4);
EXPECT_EQ(fixed, GL_TRUE);
EXPECT_EQ(MG_Impl::GLImpl::GetError(), GL_NO_ERROR);
}
TEST_F(TextureTest, GetTextureImageReadsNamedObjectWithoutBinding) {
GLuint texture = 0;
MG_Impl::GLImpl::CreateTextures(GL_TEXTURE_2D, 1, &texture);