Use NEAREST filtering for integer formats in sparse access tests
Component: OpenGL
Affects: KHR-GL46.sparse_texture2_tests.SparseTexture2Lookup
VK-GL-CTS issue: 5018
Change-Id: I37f5f22acb8c73a81294dec052d8e944cd3fd96e
diff --git a/external/openglcts/modules/gl/gl4cSparseTexture2Tests.cpp b/external/openglcts/modules/gl/gl4cSparseTexture2Tests.cpp
index b755eda..7f9a23d 100644
--- a/external/openglcts/modules/gl/gl4cSparseTexture2Tests.cpp
+++ b/external/openglcts/modules/gl/gl4cSparseTexture2Tests.cpp
@@ -2446,6 +2446,11 @@
if (format == GL_DEPTH_COMPONENT16)
setupDepthMode(gl, target, texture);
+ if ((getTextureChannelClass(mState.format.type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER ||
+ getTextureChannelClass(mState.format.type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER) &&
+ target != GL_TEXTURE_2D_MULTISAMPLE && target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
+ setupNearestFilter(gl, target, texture);
+
for (int l = 0; l < mState.levels; ++l)
{
if (commitTexturePage(gl, target, format, texture, l))
@@ -2843,6 +2848,21 @@
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri");
}
+/** Setup nearest filtering for a texture
+ *
+ * @param gl GL API functions
+ * @param target Target for which texture is binded
+ * @param texture Texture object
+ */
+void SparseTexture2LookupTestCase::setupNearestFilter(const Functions& gl, GLint target, GLuint& texture)
+{
+ Texture::Bind(gl, texture, target);
+ gl.texParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri");
+ gl.texParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri");
+}
+
/** Verify if data stored in texture is as expected
*
* @param gl GL API functions
diff --git a/external/openglcts/modules/gl/gl4cSparseTexture2Tests.hpp b/external/openglcts/modules/gl/gl4cSparseTexture2Tests.hpp
index 56e3feb..0c3bac6 100644
--- a/external/openglcts/modules/gl/gl4cSparseTexture2Tests.hpp
+++ b/external/openglcts/modules/gl/gl4cSparseTexture2Tests.hpp
@@ -259,6 +259,7 @@
virtual bool writeDataToTexture(const Functions& gl, GLint target, GLint format, GLuint& texture, GLint level);
virtual void setupDepthMode(const Functions& gl, GLint target, GLuint& texture);
+ virtual void setupNearestFilter(const Functions& gl, GLint target, GLuint& texture);
virtual bool verifyLookupTextureData(const Functions& gl, GLint target, GLint format, GLuint& texture, GLint level,
FunctionToken& funcToken);
};
