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[Fix] (MG_Impl/Texture): support anisotropic sampler parameters

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swung0x48
2026-07-16 21:39:38 -04:00
parent 346cd417ca
commit 5d6b544021
11 changed files with 284 additions and 13 deletions
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MobileGL/MG_Test/BackendLoader/BackendLoaderTest.cpp
+24 -4
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@@ -9,6 +9,7 @@
#include <gtest/gtest.h>
#include <cstring>
#include <map>
#include <string>
#include <vector>
#include <MG_Util/BackendLoaders/OpenGL/Loader.h>
@@ -28,6 +29,7 @@ namespace {
GLenum errorRaisedByDraw = GL_NO_ERROR;
GLenum pendingError = GL_NO_ERROR;
std::vector<std::string> extensions;
GLuint nextBufferId = 1;
GLuint nextShaderId = 1;
@@ -86,7 +88,7 @@ namespace {
*data = 1;
break;
case GL_NUM_EXTENSIONS:
*data = 0;
*data = static_cast<GLint>(g_fake.extensions.size());
break;
default:
// Leave the caller's defaults for every other capability query.
@@ -114,9 +116,10 @@ namespace {
return reinterpret_cast<const GLubyte*>("");
}
};
// GL_NUM_EXTENSIONS reports 0 above, so this is never reached; it exists so the
// table stays complete if the extension loop ever runs.
funcs.glGetStringi = [](GLenum, GLuint) -> const GLubyte* { return nullptr; };
funcs.glGetStringi = [](GLenum name, GLuint index) -> const GLubyte* {
if (name != GL_EXTENSIONS || index >= g_fake.extensions.size()) return nullptr;
return reinterpret_cast<const GLubyte*>(g_fake.extensions[index].c_str());
};
funcs.glGetFloatv = [](GLenum pname, GLfloat* data) {
switch (pname) {
// Two-component range queries.
@@ -400,3 +403,20 @@ TEST(IndirectInstanceIdProbe, FillInCapabilitiesWiresProbeResult) {
EXPECT_FALSE(conformingCaps.IndirectDrawInstanceIdIncludesBaseInstance);
ExpectProbeReleasedAllObjects();
}
TEST(TextureAnisotropyCapabilities, ExtensionPresenceIsDetectedExactly) {
ResetFakeDriver();
g_fake.maxVertexSsboBlocks = 0;
const auto funcs = MakeFakeGLESFunctions();
MobileGL::MG_External::GLESCapabilities absentCaps;
ASSERT_TRUE(MobileGL::MG_Util::BackendLoader::FillInGLESCapabilities(absentCaps, funcs));
EXPECT_FALSE(absentCaps.SupportsTextureFilterAnisotropy);
ResetFakeDriver();
g_fake.maxVertexSsboBlocks = 0;
g_fake.extensions.emplace_back("GL_EXT_texture_filter_anisotropic");
MobileGL::MG_External::GLESCapabilities presentCaps;
ASSERT_TRUE(MobileGL::MG_Util::BackendLoader::FillInGLESCapabilities(presentCaps, funcs));
EXPECT_TRUE(presentCaps.SupportsTextureFilterAnisotropy);
}