commit 8715a067a3547cf91a3ed73fd893a621d5ee1a1c
author Caolán McNamara <caolanm@redhat.com> Mon Oct 14 10:12:38 2019 +0100
committer Caolán McNamara <caolanm@redhat.com> Mon Oct 14 12:39:42 2019 +0200
tree 3d8ffc6834cce2f1372d31d2d364728e6eca4712
parent 86d08e23f1b20b6582dd944b952b47cc737a7c52

Related: tdf#124729 check for GL_EXT_texture_filter_anisotropic support

Change-Id: I7cc7225c02e1c6688df22b237af59425fb64b79c
Reviewed-on: https://gerrit.libreoffice.org/80760
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

slideshow/source/engine/opengl/TransitionerImpl.cxx

diff --git a/slideshow/source/engine/opengl/TransitionerImpl.cxx b/slideshow/source/engine/opengl/TransitionerImpl.cxx
index 2bec0bad..3219e32 100644
--- a/slideshow/source/engine/opengl/TransitionerImpl.cxx
+++ b/slideshow/source/engine/opengl/TransitionerImpl.cxx
@@ -836,10 +836,13 @@ void OGLTransitionerImpl::impl_createTexture(
                          GL_UNSIGNED_BYTE,
                          &tempBytes[0]);

        //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
        GLfloat largest_supported_anisotropy;
        glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy);
        if (epoxy_has_gl_extension("GL_EXT_texture_filter_anisotropic"))
        {
            //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
            GLfloat largest_supported_anisotropy;
            glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy);
            glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy);
        }
    } else {
        if( mpTransition && !mbBrokenTexturesATI && !useMipmap) {
            glTexImage2D( GL_TEXTURE_2D, 0, pFormat->nInternalFormat, maSlideSize.Width, maSlideSize.Height, 0, pFormat->eFormat, pFormat->eType, &data[0] );
@@ -848,10 +851,13 @@ void OGLTransitionerImpl::impl_createTexture(
        } else {
            buildMipmaps( pFormat->nInternalFormat, maSlideSize.Width, maSlideSize.Height, pFormat->eFormat, pFormat->eType, &data[0] );

            //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
            GLfloat largest_supported_anisotropy;
            glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy );
            glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy );
            if (epoxy_has_gl_extension("GL_EXT_texture_filter_anisotropic"))
            {
                //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
                GLfloat largest_supported_anisotropy;
                glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy );
                glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy );
            }
        }
    }
    CHECK_GL_ERROR();